181  
FNUS55 KBOU 202208  
FWFBOU  
 
FIRE WEATHER FORECAST FOR NORTHEAST AND NORTH CENTRAL COLORADO  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
408 PM MDT FRI OCT 20 2017  
   
DISCUSSION...TONIGHT AND SATURDAY
 
 
TONIGHT AN UPPER LEVEL TROUGH AND COLD FRONT WILL SWEEP  
ACROSS NORTHERN COLORADO. THERE WILL BE A BRIEF PERIOD OF LIGHT  
SNOW IN THE MOUNTAINS ALONG WITH GUSTY WEST TO NORTHWEST WINDS,  
ESPECIALLY ABOVE TIMBERLINE AND EXPOSED EASTERN SLOPES. NORTHWEST  
WINDS WILL SPREAD OVER THE PLAINS LATE TONIGHT FOLLOWING THE  
PASSAGE OF THE COLD FRONT. A FEW LIGHT SHOWERS MAY ALSO OCCUR  
BUT MAINLY TO THE NORTH AND EAST OF DENVER. RELATIVE HUMIDITIES ARE  
EXPECTED TO FALL TO JUST BELOW 20 PERCENT NEAR 20Z. SATURDAY THERE  
WILL BE A SHORT PERIOD OF RELATIVE HUMIDITIES AROUND 15 PERCENT FROM  
20 TO 22Z.  
 
LONG TERM DISCUSSION...SATURDAY NIGHT THROUGH WEDNESDAY...  
 
THE 40-50 MPH WINDY CONDITIONS WILL CONTINUE SATURDAY NIGHT AND  
EARLY SUNDAY MORNING IN AND NEAR THE FOOTHILLS WITH GUSTS TO 50  
MPH. DRY CONDITIONS WITH NEAR NORMAL TEMPERATURES ARE EXPECTED  
SUNDAY THROUGH WEDNESDAY UNDER A NORTHWEST FLOW.  
 
...THUNDERSTORMS IMPLY STRONG GUSTY ERRATIC WINDS...  
...ALL SURFACE WINDS ARE 20-FOOT...10-MINUTE AVERAGED WINDS...  
...CWR IS CHANCE OF WETTING RAIN - 0.10 INCH OR MORE LIQUID...  
...24 HR TRENDS ARE BASED ON AVERAGES OVER THE RESPECTIVE ZONE  
GROUPS AND MAY NOT MATCH THE ACTUAL FORECAST VALUES  
SHOWN IN THOSE GROUPS...  
 
COZ238-211045-  
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-  
INCLUDING FORT COLLINS, HEREFORD, LOVELAND, NUNN,  
AND WEST PAWNEE GRASSLANDS  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 2200, THEN MOSTLY  
CLOUDY UNTIL 0500, THEN PARTLY CLOUDY(55-60%).  
SLIGHT CHANCE OF RAIN SHOWERS AFTER 2400 UNTIL  
0200.  
MIN TEMPERATURE.....36-40.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........51-57%.  
24 HR TREND......10-15% DRIER.  
20-FOOT WINDS.......BREEZY. WEST WINDS 8-14 MPH WITH GUSTS TO 25  
MPH INCREASING TO NORTHWEST 18-28 MPH WITH  
GUSTS TO 45 MPH AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 0100. AROUND 35 MPH  
AFTER 0300.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 0800, THEN MOSTLY  
SUNNY.  
MAX TEMPERATURE.....51-57.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........17-23%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 18-28 MPH WITH GUSTS TO  
40 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 30-40 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL UNTIL 1200, THEN 9500-10500 FT  
AGL.  
TRANSPORT WINDS.....NORTHWEST 30-35 MPH UNTIL 1600, THEN AROUND 25  
MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 1000, THEN VERY GOOD UNTIL 1100,  
THEN EXCELLENT.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....31-35.  
24 HR TREND......2-4 DEGREES COOLER.  
MAX HUMIDITY........55-65%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......WEST WINDS 7-13 MPH. GUSTS UP TO 25 MPH IN THE  
EVENING.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 30-40 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....WEST 20-25 MPH UNTIL 2000, THEN 10-15 MPH.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2100.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....64-68.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........23-27%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......WEST WINDS 10-16 MPH WITH GUSTS TO 30 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 20-30 MPH.  
MIXING HEIGHT.......4000-5000 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS  
8-14 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
9-15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. NORTHWEST WINDS 6-12 MPH.    
WEDNESDAY
 
WARMER, CLEAR. LOWS IN THE MID 30S. HIGHS AROUND 70.  
WEST WINDS 6-12 MPH.  
 

 
 
COZ239-211045-  
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD  
COUNTY-  
INCLUDING ARVADA, BOULDER, GOLDEN, LAKEWOOD, AND LONGMONT  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 2400, THEN MOSTLY  
CLOUDY(60-65%) UNTIL 0400, THEN PARTLY  
CLOUDY(50-60%). SLIGHT CHANCE OF RAIN SHOWERS  
AFTER 2300 UNTIL 0200.  
MIN TEMPERATURE.....37-41.  
24 HR TREND......2-4 DEGREES COOLER.  
MAX HUMIDITY........50-60%.  
24 HR TREND......7-10% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 12-18 MPH. GUSTS UP TO 30 MPH  
AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.  
MIXING HEIGHT.......2500-3500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 0800, THEN MOSTLY  
SUNNY.  
MAX TEMPERATURE.....53-57.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........19-23%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......WEST WINDS 13-23 MPH WITH GUSTS TO 30 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 20-30 MPH.  
MIXING HEIGHT.......8000-9000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 0900. WEST AFTER  
1700.  
SMOKE DISPERSAL.....FAIR UNTIL 1000, THEN VERY GOOD UNTIL 1200,  
THEN EXCELLENT UNTIL 1700, THEN VERY GOOD.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....33-40.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........47-57%.  
24 HR TREND......4-7% DRIER.  
20-FOOT WINDS.......WEST WINDS 6-12 MPH. GUSTS UP TO 20 MPH AFTER  
MIDNIGHT.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 30-40 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....67-71.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........21-25%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......WEST WINDS 5-9 MPH. GUSTS UP TO 20 MPH IN THE  
MORNING.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 15-25 MPH.  
MIXING HEIGHT.......4500-5500 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS  
5-7 MPH.    
MONDAY
 
MOSTLY CLEAR. HIGHS IN THE UPPER 60S. NORTHWEST WINDS  
5-7 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS AROUND 60.  
SOUTH WINDS 5-6 MPH.    
WEDNESDAY
 
WARMER, CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 70S. SOUTHWEST WINDS 5-7 MPH.  
 

 
 
COZ240-211045-  
NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND  
ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-  
INCLUDING AURORA, BRIGHTON, CITY OF DENVER,  
DENVER INTERNATIONAL AIRPORT, HIGHLANDS RANCH, LITTLETON,  
AND PARKER  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 2400, THEN MOSTLY  
CLOUDY(60-65%) UNTIL 0400, THEN PARTLY  
CLOUDY(50-60%).  
MIN TEMPERATURE.....39-43.  
24 HR TREND......4-7 DEGREES COOLER.  
MAX HUMIDITY........47-55%.  
24 HR TREND......10-15% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 9-15 MPH SHIFTING TO THE  
NORTHWEST 12-18 MPH WITH GUSTS TO 30 MPH AFTER  
MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 0200, THEN NORTH 15-20  
MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 2400, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1000, THEN MOSTLY  
SUNNY.  
MAX TEMPERATURE.....54-58.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........18-22%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......NORTHWEST WINDS 14-24 MPH WITH GUSTS TO 35 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 25-35 MPH.  
MIXING HEIGHT.......8000-9000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 0900, THEN 20-25 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN VERY GOOD UNTIL 1200,  
THEN EXCELLENT UNTIL 1700, THEN VERY GOOD.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....34-38.  
24 HR TREND......4-7 DEGREES COOLER.  
MAX HUMIDITY........46-54%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......SOUTHWEST WINDS 4-8 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 30-40 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2000, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....68-72.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........20-24%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......WEST WINDS 5-9 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. WEST WINDS  
5-8 MPH.    
MONDAY
 
MOSTLY CLEAR. HIGHS IN THE UPPER 60S. NORTH WINDS  
5-8 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS AROUND 60.  
SOUTHEAST WINDS 5-7 MPH.    
WEDNESDAY
 
WARMER, CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 70S. SOUTHWEST WINDS 5-8 MPH.  
 

 
 
COZ241-211045-  
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-  
INCLUDING CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%).  
MIN TEMPERATURE.....35-41.  
24 HR TREND......7-10 DEGREES COOLER.  
MAX HUMIDITY........53-63%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......SOUTHWEST WINDS 10-16 MPH SHIFTING TO THE WEST  
AFTER MIDNIGHT. GUSTS UP TO 25 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 25-35 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....WEST 20-25 MPH UNTIL 0300, THEN NORTHWEST 15-20  
MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2300, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1100, THEN MOSTLY  
SUNNY.  
MAX TEMPERATURE.....49-55.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........18-22%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 14-24 MPH WITH GUSTS TO 35 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 25-35 MPH.  
MIXING HEIGHT.......7000-8000 FT AGL.  
TRANSPORT WINDS.....NORTH 20-25 MPH UNTIL 1000, THEN NORTHWEST  
25-30 MPH UNTIL 1600, THEN 15-20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN VERY GOOD UNTIL 1700,  
THEN GOOD.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....29-35.  
24 HR TREND......4-7 DEGREES COOLER.  
MAX HUMIDITY........46-54%.  
24 HR TREND......4-7% DRIER.  
20-FOOT WINDS.......WEST WINDS 4-8 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 35-45 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 2100, THEN LIGHT  
UNTIL 2200, THEN WEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....64-68.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........19-23%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......WEST WINDS 6-12 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN FAIR.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. WEST WINDS 5-8 MPH.   
MONDAY
 
MOSTLY CLEAR. HIGHS IN THE MID 60S. NORTH WINDS  
6-12 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE  
UPPER 50S. NORTHWEST WINDS 5-8 MPH.    
WEDNESDAY
 
WARMER, CLEAR. LOWS IN THE MID 30S. HIGHS AROUND 70.  
SOUTHWEST WINDS 5-9 MPH.  
 

 
 
COZ242-211045-  
NORTHEAST WELD COUNTY-  
INCLUDING BRIGGSDALE, EAST PAWNEE GRASSLANDS, GROVER,  
PAWNEE BUTTES, RAYMER, AND STONEHAM  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 2300, THEN MOSTLY  
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER  
2300.  
MIN TEMPERATURE.....37-41.  
24 HR TREND......2-4 DEGREES WARMER.  
MAX HUMIDITY........52-58%.  
24 HR TREND......20-25% DRIER.  
20-FOOT WINDS.......WINDY. WEST WINDS 6-12 MPH WITH GUSTS TO 20 MPH  
INCREASING TO NORTHWEST 21-31 MPH WITH GUSTS TO  
45 MPH AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH UNTIL 2400. NORTHWEST 30-35 MPH  
AFTER 0300.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0700, THEN PARTLY  
CLOUDY(50-60%) UNTIL 0900, THEN MOSTLY SUNNY.  
SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1200.  
MAX TEMPERATURE.....53-57.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........15-19%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 20-29 MPH WITH GUSTS TO  
40 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 30-40 MPH.  
MIXING HEIGHT.......4500-5500 FT AGL UNTIL 1200, THEN 9500-10500 FT  
AGL.  
TRANSPORT WINDS.....NORTHWEST 25-30 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 1000, THEN VERY GOOD UNTIL 1100,  
THEN EXCELLENT.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....30-34.  
24 HR TREND......7-10 DEGREES COOLER.  
MAX HUMIDITY........55-65%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......WEST WINDS 7-13 MPH. GUSTS UP TO 25 MPH IN THE  
EVENING.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 40-50 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 20-25 MPH UNTIL 2200, THEN WEST  
AROUND 15 MPH.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2100.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....66-70.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........20-24%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......WEST WINDS 11-17 MPH WITH GUSTS TO 30 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 30-40 MPH.  
MIXING HEIGHT.......4500-5500 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 1200, THEN AROUND 20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
   
SUNDAY NIGHT
 
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
WEST WINDS 9-15 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTH WINDS  
12-18 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. NORTHWEST WINDS 9-15 MPH.    
WEDNESDAY
 
WARMER, CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE  
LOWER 70S. WEST WINDS 8-14 MPH.  
 

 
 
COZ243-211045-  
CENTRAL AND SOUTH WELD COUNTY-  
INCLUDING EATON, FORT LUPTON, GREELEY, AND ROGGEN  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 2300, THEN MOSTLY  
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER  
2400 UNTIL 0200.  
MIN TEMPERATURE.....39-43.  
24 HR TREND......4-7 DEGREES WARMER.  
MAX HUMIDITY........53-61%.  
24 HR TREND......25-35% DRIER.  
20-FOOT WINDS.......WEST WINDS 6-12 MPH SHIFTING TO THE NORTH 13-23  
MPH WITH GUSTS TO 35 MPH AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 0100. AROUND 30 MPH  
AFTER 0300.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 0700, THEN PARTLY  
CLOUDY(35-45%) UNTIL 0900, THEN MOSTLY SUNNY.  
MAX TEMPERATURE.....56-60.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........15-19%.  
24 HR TREND......2-4% DRIER.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 16-26 MPH WITH GUSTS TO  
35 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 30-40 MPH.  
MIXING HEIGHT.......9000-10000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 25-30 MPH UNTIL 1700, THEN AROUND 20  
MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 1000, THEN VERY GOOD UNTIL 1100,  
THEN EXCELLENT.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....28-34.  
24 HR TREND......10-15 DEGREES COOLER.  
MAX HUMIDITY........62-72%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......WEST WINDS 4-7 MPH SHIFTING TO THE SOUTHWEST  
AFTER MIDNIGHT.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 35-45 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 2000, THEN SOUTHWEST  
AROUND 10 MPH.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 1900. POOR AFTER 2100.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....68-72.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........20-24%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......WEST WINDS 5-11 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......4500-5500 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS  
5-7 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 60S. NORTH WINDS  
6-12 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
60S. NORTHWEST WINDS 5-8 MPH.    
WEDNESDAY
 
WARMER, CLEAR. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 70S. SOUTHWEST WINDS 5-8 MPH.  
 

 
 
COZ244-211045-  
MORGAN COUNTY-  
INCLUDING BRUSH, FORT MORGAN, GOODRICH, AND WIGGINS  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 0100, THEN MOSTLY  
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER  
2300.  
MIN TEMPERATURE.....39-43.  
24 HR TREND......2-4 DEGREES WARMER.  
MAX HUMIDITY........49-55%.  
24 HR TREND......25-35% DRIER.  
20-FOOT WINDS.......BREEZY. SOUTHWEST WINDS 6-12 MPH INCREASING TO  
NORTHWEST 16-26 MPH WITH GUSTS TO 40 MPH AFTER  
MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 2100, THEN LIGHT  
UNTIL 2200, THEN WEST 10-15 MPH UNTIL 0100,  
THEN NORTHWEST 20-25 MPH UNTIL 0500, THEN  
AROUND 30 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0800, THEN PARTLY  
CLOUDY(30-40%) UNTIL 1000, THEN MOSTLY SUNNY.  
SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1200.  
MAX TEMPERATURE.....56-60.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........14-18%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 18-28 MPH WITH GUSTS TO  
40 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 25-35 MPH.  
MIXING HEIGHT.......9000-10000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 25-30 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 1000. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....29-33.  
24 HR TREND......7-10 DEGREES COOLER.  
MAX HUMIDITY........54-64%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 6-12 MPH WITH GUSTS TO 20 MPH  
SHIFTING TO THE SOUTHWEST 4-8 MPH AFTER  
MIDNIGHT.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 40-50 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 20-25 MPH UNTIL 2100, THEN SOUTHWEST  
10-15 MPH.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2100.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....68-72.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........18-22%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......WEST WINDS 6-12 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 30-40 MPH.  
MIXING HEIGHT.......4000-5000 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN FAIR.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. WEST WINDS  
5-13 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 60S. NORTH WINDS  
9-15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS AROUND 60.  
NORTHWEST WINDS 6-12 MPH.    
WEDNESDAY
 
WARMER, CLEAR. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 70S. SOUTHWEST WINDS 5-13 MPH.  
 

 
 
COZ245-211045-  
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-  
INCLUDING BENNETT, BYERS, DEER TRAIL, AND LEADER  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 0200, THEN MOSTLY  
CLOUDY.  
MIN TEMPERATURE.....39-43.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........47-55%.  
24 HR TREND......25-35% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 7-13 MPH SHIFTING TO THE  
NORTHWEST 13-23 MPH WITH GUSTS TO 35 MPH AFTER  
MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 0200, THEN NORTH 20-25  
MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0800, THEN PARTLY  
CLOUDY(35-45%) UNTIL 1100, THEN MOSTLY SUNNY.  
MAX TEMPERATURE.....55-59.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........15-19%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 18-28 MPH WITH GUSTS TO  
40 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 25-35 MPH.  
MIXING HEIGHT.......8000-9000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 25-30 MPH UNTIL 1700, THEN AROUND 20  
MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 1000, THEN VERY GOOD UNTIL 1200,  
THEN EXCELLENT UNTIL 1700, THEN VERY GOOD.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....30-34.  
24 HR TREND......7-10 DEGREES COOLER.  
MAX HUMIDITY........49-59%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......WEST WINDS 4-8 MPH SHIFTING TO THE SOUTHWEST  
4-13 MPH AFTER MIDNIGHT.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 35-45 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 2100, THEN WEST  
AROUND 10 MPH UNTIL 2400, THEN LIGHT UNTIL  
0100, THEN SOUTHWEST AROUND 10 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2000, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....67-71.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........18-22%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......WEST WINDS 6-10 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......4500-5500 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN FAIR.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS  
5-8 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 60S. NORTH WINDS  
7-13 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. NORTHWEST WINDS 5-9 MPH.    
WEDNESDAY
 
WARMER, CLEAR. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 70S. SOUTHWEST WINDS 6-10 MPH.  
 

 
 
COZ248-211045-  
LOGAN COUNTY-  
INCLUDING CROOK, MERINO, STERLING, AND PEETZ  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 0100, THEN MOSTLY  
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER  
2300.  
MIN TEMPERATURE.....40-44.  
24 HR TREND......4-7 DEGREES WARMER.  
MAX HUMIDITY........55-63%.  
24 HR TREND......35-50% DRIER.  
20-FOOT WINDS.......WINDY. SOUTHWEST WINDS 7-13 MPH WITH GUSTS TO  
20 MPH INCREASING TO NORTHWEST 21-31 MPH WITH  
GUSTS TO 45 MPH AFTER MIDNIGHT.  
HAINES INDEX........4 LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2400, THEN BELOW 1000 FT  
AGL UNTIL 0100, THEN 1000-2000 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH UNTIL 2300, THEN NORTHWEST  
20-25 MPH UNTIL 0200, THEN 30-35 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0900, THEN PARTLY  
CLOUDY(40-50%) UNTIL 1100, THEN MOSTLY SUNNY.  
SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1200.  
MAX TEMPERATURE.....56-60.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........18-22%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 20-29 MPH WITH GUSTS TO  
40 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.  
MIXING HEIGHT.......9000-10000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 30-35 MPH UNTIL 1500, THEN AROUND 25  
MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 1000. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....30-34.  
24 HR TREND......7-10 DEGREES COOLER.  
MAX HUMIDITY........60-70%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......WEST WINDS 6-12 MPH. GUSTS UP TO 20 MPH IN THE  
EVENING.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 40-50 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0500, THEN BELOW 1000 FT  
AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2100.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....68-72.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........20-24%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......WEST WINDS 9-15 MPH WITH GUSTS TO 25 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 30-40 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 5000-6000 FT  
AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
   
SUNDAY NIGHT
 
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
WEST WINDS 7-13 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 60S. NORTH WINDS  
10-16 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. NORTHWEST WINDS 8-14 MPH.    
WEDNESDAY
 
WARMER, CLEAR. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 70S. WEST WINDS 7-13 MPH.  
 

 
 
COZ249-211045-  
WASHINGTON COUNTY-  
INCLUDING AKRON, COPE, LAST CHANCE, AND OTIS  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 0200, THEN MOSTLY  
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER  
0500.  
MIN TEMPERATURE.....39-43.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........51-57%.  
24 HR TREND......35-50% DRIER.  
20-FOOT WINDS.......BREEZY. SOUTH WINDS 9-15 MPH WITH GUSTS TO 25  
MPH SHIFTING TO THE NORTHWEST 15-25 MPH WITH  
GUSTS TO 40 MPH AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......2500-3500 FT AGL UNTIL 2100, THEN BELOW 1000 FT  
AGL UNTIL 2200, THEN 1000-2000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 0300, THEN 25-30 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0800, THEN PARTLY  
CLOUDY(35-45%) UNTIL 1200, THEN MOSTLY SUNNY.  
SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1200.  
MAX TEMPERATURE.....55-59.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........16-20%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......WINDY. NORTHWEST WINDS 20-30 MPH WITH GUSTS TO  
45 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 30-40 MPH.  
MIXING HEIGHT.......8500-9500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 30-35 MPH UNTIL 1500, THEN AROUND 25  
MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 1000. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....30-34.  
24 HR TREND......7-10 DEGREES COOLER.  
MAX HUMIDITY........54-60%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 6-12 MPH SHIFTING TO THE  
SOUTHWEST 4-12 MPH AFTER MIDNIGHT.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 40-50 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 20-25 MPH UNTIL 2200, THEN SOUTHWEST  
10-15 MPH.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000. POOR AFTER 2400.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....67-71.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........18-22%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......WEST WINDS 7-13 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 30-40 MPH.  
MIXING HEIGHT.......4500-5500 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS  
5-9 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 60S. NORTH WINDS  
9-15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. NORTHWEST WINDS 7-13 MPH.    
WEDNESDAY
 
WARMER, CLEAR. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 70S. SOUTHWEST WINDS 6-12 MPH.  
 

 
 
COZ250-211045-  
SEDGWICK COUNTY-  
INCLUDING JULESBURG, OVID, AND SEDGWICK  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 0300, THEN MOSTLY  
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER  
2400.  
MIN TEMPERATURE.....42-46.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........60-64%.  
24 HR TREND......25-35% DRIER.  
20-FOOT WINDS.......BREEZY. SOUTH WINDS 7-13 MPH INCREASING TO  
NORTHWEST 18-28 MPH WITH GUSTS TO 40 MPH AFTER  
MIDNIGHT.  
HAINES INDEX........4 LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2300, THEN BELOW 1000 FT  
AGL UNTIL 0100, THEN 1500-2500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 0100, THEN  
NORTHWEST 25-30 MPH UNTIL 0300, THEN AROUND 40  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0400, THEN GOOD.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY  
CLOUDY(35-45%) UNTIL 1300, THEN MOSTLY SUNNY.  
SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1200.  
MAX TEMPERATURE.....57-61.  
24 HR TREND......15-20 DEGREES COOLER.  
MIN HUMIDITY........18-22%.  
24 HR TREND......4-7% DRIER.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 17-27 MPH WITH GUSTS TO  
40 MPH.  
HAINES INDEX........4 LOW.  
LAL.................1.  
CWR.................10 PERCENT UNTIL 1200, THEN 0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.  
MIXING HEIGHT.......8500-9500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 35-40 MPH UNTIL 0800. AROUND 20 MPH  
AFTER 1700.  
SMOKE DISPERSAL.....GOOD UNTIL 1100. EXCELLENT AFTER 1300.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....31-35.  
24 HR TREND......7-10 DEGREES COOLER.  
MAX HUMIDITY........62-70%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......WEST WINDS 6-12 MPH.  
HAINES INDEX........5 MODERATE.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 40-50 MPH.  
MIXING HEIGHT.......2500-3500 FT AGL.  
TRANSPORT WINDS.....WEST 20-25 MPH UNTIL 0400, THEN AROUND 15 MPH.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000. POOR AFTER 0100.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....AROUND 71.  
24 HR TREND......7-10 DEGREES WARMER.  
MIN HUMIDITY........20-24%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......WEST WINDS 8-14 MPH WITH GUSTS TO 20 MPH.  
HAINES INDEX........4 LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 30-40 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. WEST WINDS  
7-13 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
9-15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS AROUND 60.  
NORTHWEST WINDS 8-14 MPH.    
WEDNESDAY
 
WARMER, CLEAR. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 70S. WEST WINDS 7-13 MPH.  
 

 
 
COZ251-211045-  
PHILLIPS COUNTY-  
INCLUDING AMHERST, HAXTUN, AND HOLYOKE  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 0300, THEN MOSTLY  
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER  
0500.  
MIN TEMPERATURE.....42-46.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........61-65%.  
24 HR TREND......25-35% DRIER.  
20-FOOT WINDS.......BREEZY. SOUTH WINDS 8-13 MPH INCREASING TO  
NORTHWEST 17-27 MPH WITH GUSTS TO 40 MPH AFTER  
MIDNIGHT.  
HAINES INDEX........4 LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 2100, THEN BELOW 1000 FT  
AGL UNTIL 0100, THEN 1000-2000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 15-20 MPH UNTIL 0100, THEN NORTHWEST  
25-30 MPH UNTIL 0300, THEN AROUND 35 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1100, THEN PARTLY  
CLOUDY(35-45%) UNTIL 1300, THEN MOSTLY SUNNY.  
SLIGHT CHANCE OF RAIN SHOWERS UNTIL 1200.  
MAX TEMPERATURE.....58-62.  
24 HR TREND......15-20 DEGREES COOLER.  
MIN HUMIDITY........20%.  
24 HR TREND......4-7% DRIER.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 16-26 MPH WITH GUSTS TO  
40 MPH.  
HAINES INDEX........4 LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.  
MIXING HEIGHT.......8000-9000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 30-35 MPH UNTIL 1500, THEN 20-25 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 1100. EXCELLENT AFTER 1300.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....31-35.  
24 HR TREND......10-15 DEGREES COOLER.  
MAX HUMIDITY........61-65%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......WEST WINDS 6-12 MPH.  
HAINES INDEX........4 LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 40-50 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000. POOR AFTER 0200.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....69-73.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........18-22%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......WEST WINDS 7-13 MPH.  
HAINES INDEX........4 LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 30-40 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
   
SUNDAY NIGHT
 
NOT AS COOL. MOSTLY CLEAR. LOWS IN THE MID 40S.  
WEST WINDS 5-13 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 60S. NORTH WINDS  
9-15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS AROUND 60.  
NORTHWEST WINDS 7-13 MPH.    
WEDNESDAY
 
WARMER, CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
70S. WEST WINDS 6-10 MPH.  
 

 
 
COZ246-211045-  
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN  
COUNTY-  
INCLUDING AGATE, HUGO, LIMON, AND MATHESON  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 0400, THEN MOSTLY  
CLOUDY(60-65%) UNTIL 0500, THEN PARTLY  
CLOUDY(50-60%).  
MIN TEMPERATURE.....37-41.  
24 HR TREND......4-7 DEGREES COOLER.  
MAX HUMIDITY........55-63%.  
24 HR TREND......25-35% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 8-14 MPH WITH GUSTS TO 20 MPH  
SHIFTING TO THE NORTHWEST 10-16 MPH WITH GUSTS  
TO 35 MPH AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 20-25 MPH UNTIL 2400. NORTHWEST 25-30  
MPH AFTER 0400.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 0700, THEN PARTLY  
CLOUDY(50-60%) UNTIL 1100, THEN MOSTLY SUNNY.  
MAX TEMPERATURE.....53-57.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........16-20%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......WINDY. NORTHWEST WINDS 19-29 MPH WITH GUSTS TO  
45 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 25-35 MPH.  
MIXING HEIGHT.......7500-8500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 30-35 MPH UNTIL 1500, THEN AROUND 25  
MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 1100, THEN EXCELLENT UNTIL 1700,  
THEN VERY GOOD.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....27-31.  
24 HR TREND......7-10 DEGREES COOLER.  
MAX HUMIDITY........54-64%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......NORTHWEST WINDS 5-9 MPH SHIFTING TO THE  
SOUTHWEST 4-8 MPH AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 35-45 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 2300, THEN SOUTHWEST  
AROUND 10 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2000, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....64-68.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........17-21%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......WEST WINDS 4-13 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......4500-5500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY NIGHT
 
CLEAR. LOWS IN THE UPPER 30S. WEST WINDS 5-9 MPH.   
MONDAY
 
MOSTLY CLEAR. HIGHS IN THE MID 60S. NORTH WINDS  
9-15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE  
UPPER 50S. NORTHWEST WINDS 7-13 MPH.    
WEDNESDAY
 
WARMER, CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE  
LOWER 70S. SOUTHWEST WINDS 7-13 MPH.  
 

 
 
COZ247-211045-  
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-  
INCLUDING FORDER, KARVAL, KUTCH, AND PUNKIN CENTER  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....39-45.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........57-63%.  
24 HR TREND......35-50% DRIER.  
20-FOOT WINDS.......WEST WINDS 9-15 MPH. GUSTS UP TO 30 MPH AFTER  
MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 25-35 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2300, THEN BELOW 1000 FT  
AGL UNTIL 0400, THEN 1000-1500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 25-30 MPH UNTIL 2300. NORTHWEST AFTER  
0500.  
SMOKE DISPERSAL.....GOOD UNTIL 2000, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1100, THEN MOSTLY  
SUNNY.  
MAX TEMPERATURE.....56-60.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........15-19%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......BREEZY. NORTH WINDS 19-29 MPH WITH GUSTS TO 40  
MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 25-35 MPH.  
MIXING HEIGHT.......6500-7500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 30-35 MPH UNTIL 1600, THEN NORTH  
20-25 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 1000, THEN VERY GOOD UNTIL 1200,  
THEN EXCELLENT UNTIL 1700, THEN VERY GOOD.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....28-32.  
24 HR TREND......7-10 DEGREES COOLER.  
MAX HUMIDITY........52-62%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......NORTH WINDS 5-9 MPH SHIFTING TO THE WEST 4-7  
MPH AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 35-45 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....NORTH 15-20 MPH UNTIL 2100, THEN NORTHWEST  
AROUND 10 MPH UNTIL 0200, THEN LIGHT.  
SMOKE DISPERSAL.....GOOD UNTIL 2000, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....65-69.  
24 HR TREND......7-10 DEGREES WARMER.  
MIN HUMIDITY........15-19%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......SOUTHWEST WINDS 6-12 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 30-40 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 3500-4500 FT  
AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0700, THEN SOUTHWEST AROUND  
10 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY NIGHT
 
CLEAR. LOWS IN THE UPPER 30S. WEST WINDS 5-8 MPH.   
MONDAY
 
MOSTLY CLEAR. HIGHS IN THE UPPER 60S. NORTH WINDS  
7-13 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. NORTHWEST WINDS 5-9 MPH.    
WEDNESDAY
 
WARMER, CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE  
LOWER 70S. SOUTHWEST WINDS 5-9 MPH.  
 

 
 
COZ215-211045-  
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-  
INCLUDING ESTES PARK, GLENDEVEY, LARAMIE RIVER VALLEY, NEDERLAND,  
AND RED FEATHER LAKES  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 2300, THEN MOSTLY  
CLOUDY UNTIL 0400, THEN PARTLY CLOUDY(40-50%).  
CHANCE OF RAIN SHOWERS UNTIL 2400. CHANCE OF  
SNOW SHOWERS. SLIGHT CHANCE OF RAIN SHOWERS  
AFTER 2400. PATCHY BLOWING SNOW AFTER 2400.  
MIN TEMPERATURE.....25-35.  
24 HR TREND......10-15 DEGREES COOLER.  
MAX HUMIDITY........55-65%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...BREEZY. WEST WINDS 13-23 MPH. GUSTS UP TO  
30 MPH INCREASING TO 40 MPH AFTER  
MIDNIGHT.  
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 14-24 MPH WITH GUSTS TO  
40 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 40-50 MPH.  
MIXING HEIGHT.......2500-3500 FT AGL.  
TRANSPORT WINDS.....WEST 20-25 MPH UNTIL 0200, THEN 30-35 MPH.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000, THEN FAIR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(30-35%) UNTIL 0700, THEN MOSTLY  
SUNNY.  
MAX TEMPERATURE.....37-47.  
24 HR TREND......25-35 DEGREES COOLER.  
MIN HUMIDITY........23-33%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...BREEZY. WEST WINDS 16-26 MPH WITH GUSTS TO  
45 MPH.  
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 16-26 MPH WITH GUSTS TO  
45 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 35-45 MPH.  
MIXING HEIGHT.......7500-8500 FT AGL.  
TRANSPORT WINDS.....WEST 30-35 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 1000, THEN EXCELLENT UNTIL 1700,  
THEN VERY GOOD.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....28-36.  
24 HR TREND......4-7 DEGREES WARMER.  
MAX HUMIDITY........44-54%.  
24 HR TREND......7-10% DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 14-24 MPH WITH GUSTS TO 35 MPH.  
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 15-25 MPH WITH GUSTS TO  
35 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 30-40 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....WEST 30-35 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN FAIR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....51-61.  
24 HR TREND......20-25 DEGREES WARMER.  
MIN HUMIDITY........27-37%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 13-23 MPH WITH GUSTS TO 40 MPH.  
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 13-23 MPH WITH GUSTS TO  
40 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 20-30 MPH.  
MIXING HEIGHT.......3000-4000 FT AGL.  
TRANSPORT WINDS.....WEST 30-35 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 1200, THEN GOOD.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
10-16 MPH.    
MONDAY
 
MOSTLY CLEAR. HIGHS IN THE UPPER 50S. WEST WINDS  
7-13 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE  
LOWER 50S. WEST WINDS 5-8 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER 60S.  
WEST WINDS 7-13 MPH.  
 

 
 
COZ216-211045-  
JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR  
CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-  
INCLUDING BAILEY, CENTRAL CITY, EVERGREEN, GEORGETOWN,  
IDAHO SPRINGS, NORTHERN RAMPART RANGE, TARRYALL, AND WESTCREEK  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%). SLIGHT CHANCE OF RAIN  
SHOWERS AFTER 2100 UNTIL 0300. SLIGHT CHANCE OF  
SNOW SHOWERS AFTER 0200 UNTIL 0500.  
MIN TEMPERATURE.....28-38.  
24 HR TREND......4-7 DEGREES COOLER.  
MAX HUMIDITY........54-64%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 9-15 MPH WITH GUSTS TO 25 MPH.  
RIDGES/UPR SLOPES....WEST WINDS 10-16 MPH WITH GUSTS TO 30 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.  
MIXING HEIGHT.......2500-3500 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000. POOR AFTER 2400.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0800, THEN MOSTLY SUNNY.  
MAX TEMPERATURE.....41-51.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........18-28%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST WINDS 9-15 MPH WITH GUSTS TO 25  
MPH.  
RIDGES/UPR SLOPES....WEST WINDS 7-13 MPH WITH GUSTS TO 20 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 25-35 MPH.  
MIXING HEIGHT.......7000-8000 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000. VERY GOOD AFTER 1300.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....28-36.  
24 HR TREND......2-4 DEGREES COOLER.  
MAX HUMIDITY........42-52%.  
24 HR TREND......10-15% DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 6-12 MPH. GUSTS UP TO 30 MPH  
AFTER MIDNIGHT.  
RIDGES/UPR SLOPES....WEST WINDS 8-14 MPH. GUSTS UP TO 25 MPH  
AFTER MIDNIGHT.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 30-40 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....56-66.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........20-30%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 6-12 MPH. GUSTS UP TO 25 MPH IN  
THE MORNING.  
RIDGES/UPR SLOPES....WEST WINDS 6-12 MPH. GUSTS UP TO 20 MPH IN  
THE MORNING.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 20-30 MPH.  
MIXING HEIGHT.......4500-5500 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS  
5-9 MPH.    
MONDAY
 
MOSTLY CLEAR. HIGHS AROUND 60. NORTHWEST WINDS 5-8 MPH.   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
50S. NORTHWEST WINDS 5-6 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID 60S.  
WEST WINDS 5-8 MPH.  
 

 
 
COZ211-211045-  
JACKSON COUNTY BELOW 9000 FEET-  
INCLUDING GOULD, NORTH PARK, RAND, SPICER, AND WALDEN  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0400, THEN PARTLY  
CLOUDY(50-60%). CHANCE OF RAIN SHOWERS UNTIL  
2400. CHANCE OF SNOW SHOWERS AFTER 2200 UNTIL  
0500, THEN SLIGHT CHANCE OF SNOW SHOWERS.  
MIN TEMPERATURE.....20-24.  
24 HR TREND......10-15 DEGREES COOLER.  
MAX HUMIDITY........83-93%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......WEST WINDS 12-18 MPH. GUSTS UP TO 35 MPH  
DECREASING TO 25 MPH AFTER MIDNIGHT.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................30 PERCENT UNTIL 2400, THEN 20 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 45-55 MPH.  
MIXING HEIGHT.......3000-4000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 25-30 MPH UNTIL 2000, THEN WEST 15-20  
MPH.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. FAIR AFTER 2100.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 0900, THEN MOSTLY  
CLOUDY(60-65%) UNTIL 1000, THEN PARTLY  
CLOUDY(50-60%).  
MAX TEMPERATURE.....35-39.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........33-39%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......WEST WINDS 13-23 MPH WITH GUSTS TO 35 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 35-45 MPH.  
MIXING HEIGHT.......6000-7000 FT AGL.  
TRANSPORT WINDS.....WEST 20-25 MPH UNTIL 1200, THEN AROUND 30 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 1000. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....22-26.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........66-76%.  
24 HR TREND......15-20% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 8-14 MPH. GUSTS UP TO 25 MPH IN  
THE EVENING.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 40-50 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....WEST 25-30 MPH UNTIL 2100, THEN SOUTHWEST  
AROUND 20 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2000, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%).  
MAX TEMPERATURE.....48-52.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........36-42%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 10-16 MPH WITH GUSTS TO 25 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 35-45 MPH.  
MIXING HEIGHT.......3000-4000 FT AGL.  
TRANSPORT WINDS.....WEST 20-25 MPH UNTIL 1200, THEN 25-30 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 1200, THEN GOOD.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 30. SOUTHWEST WINDS  
6-12 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE LOWER 50S. WEST WINDS  
7-13 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 20S. HIGHS IN THE LOWER  
50S. WEST WINDS 5-8 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE MID 20S. HIGHS IN THE UPPER 50S.  
SOUTHWEST WINDS 7-13 MPH.  
 

 
 
COZ213-211045-  
GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-  
INCLUDING DILLON, FRASER, GRANBY, GRAND LAKE,  
GREEN MOUNTAIN RESERVOIR, HOT SULPHUR SPRINGS, KREMMLING,  
MIDDLE PARK, AND WILLIAMS FORK RESERVOIR  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS UNTIL  
0100. CHANCE OF SNOW SHOWERS AFTER 2300 UNTIL  
0500, THEN SLIGHT CHANCE OF SNOW SHOWERS.  
MIN TEMPERATURE.....22-28.  
24 HR TREND......7-10 DEGREES COOLER.  
MAX HUMIDITY........75-85%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......WEST WINDS 11-17 MPH WITH GUSTS TO 30 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................20 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 40-50 MPH.  
MIXING HEIGHT.......3000-4000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 25-30 MPH UNTIL 2100, THEN WEST 15-20  
MPH.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 2000. POOR AFTER 2300.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1600, THEN MOSTLY  
SUNNY. SLIGHT CHANCE OF SNOW SHOWERS UNTIL  
1200.  
MAX TEMPERATURE.....37-45.  
24 HR TREND......25-35 DEGREES COOLER.  
MIN HUMIDITY........24-34%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......WEST WINDS 11-17 MPH WITH GUSTS TO 30 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 35-45 MPH.  
MIXING HEIGHT.......6500-7500 FT AGL.  
TRANSPORT WINDS.....WEST 20-25 MPH UNTIL 1500, THEN 25-30 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 1100, THEN VERY GOOD.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....23-27.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........64-74%.  
24 HR TREND......10-15% DRIER.  
20-FOOT WINDS.......WEST WINDS 5-9 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 40-50 MPH.  
MIXING HEIGHT.......2500-3500 FT AGL.  
TRANSPORT WINDS.....WEST 20-25 MPH UNTIL 2100, THEN SOUTHWEST 10-15  
MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2000, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%).  
MAX TEMPERATURE.....50-58.  
24 HR TREND......15-20 DEGREES WARMER.  
MIN HUMIDITY........27-37%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......WEST WINDS 6-12 MPH. GUSTS UP TO 20 MPH IN THE  
AFTERNOON.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 30-40 MPH.  
MIXING HEIGHT.......4500-5500 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 1200, THEN 20-25 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. WEST WINDS  
5-8 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 50S. WEST WINDS  
5-9 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE  
LOWER 50S. WEST WINDS 5-7 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE MID 20S. HIGHS IN THE UPPER 50S.  
SOUTHWEST WINDS 5-8 MPH.  
 

 
 
COZ214-211045-  
CENTRAL AND SOUTHEAST PARK COUNTY-  
INCLUDING ELEVEN MILE CANYON RESERVOIR, FAIRPLAY, GUFFEY,  
HARTSEL, LAKE GEORGE, AND SOUTH PARK  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF RAIN  
SHOWERS AFTER 2100 UNTIL 0300. SLIGHT CHANCE OF  
SNOW SHOWERS AFTER 2100 UNTIL 0500.  
MIN TEMPERATURE.....24-30.  
24 HR TREND......10-15 DEGREES COOLER.  
MAX HUMIDITY........68-78%.  
24 HR TREND......25-35% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 8-14 MPH WITH GUSTS TO 20 MPH.  
RIDGES/UPR SLOPES....SOUTHWEST WINDS 13-23 MPH WITH GUSTS TO 30  
MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 40-50 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 25-30 MPH UNTIL 2100. WEST AROUND 15  
MPH AFTER 0500.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2100.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....37-45.  
24 HR TREND......15-20 DEGREES COOLER.  
MIN HUMIDITY........17-25%.  
24 HR TREND......2-4% DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 9-15 MPH WITH GUSTS TO 25 MPH.  
RIDGES/UPR SLOPES....WEST WINDS 11-17 MPH WITH GUSTS TO 30 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 25-35 MPH.  
MIXING HEIGHT.......6000-7000 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....23-29.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........51-61%.  
24 HR TREND......25-35% DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 6-12 MPH.  
RIDGES/UPR SLOPES....NORTHWEST WINDS 10-16 MPH. GUSTS UP TO 30  
MPH AFTER MIDNIGHT.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 35-45 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....51-59.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........25-31%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST WINDS 7-13 MPH.  
RIDGES/UPR SLOPES....NORTHWEST WINDS 9-15 MPH. GUSTS UP TO 30  
MPH DECREASING TO 20 MPH IN THE AFTERNOON.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......4000-5000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. NORTHWEST  
WINDS 6-12 MPH.    
MONDAY
 
MOSTLY CLEAR. HIGHS IN THE MID 50S. NORTHWEST WINDS  
6-12 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS AROUND 30. HIGHS IN THE LOWER 50S.  
NORTHWEST WINDS 5-8 MPH.    
WEDNESDAY
 
CLEAR. LOWS AROUND 30. HIGHS IN THE UPPER 50S. WEST  
WINDS 6-12 MPH.  
 

 
 
COZ218-211045-  
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/  
NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-  
INCLUDING CAMERON PASS, LARAMIE AND MEDICINE BOW MOUNTAINS,  
RABBIT EARS RANGE, ROCKY MOUNTAIN NATIONAL PARK,  
AND WILLOW CREEK PASS  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 2000, THEN MOSTLY  
CLOUDY UNTIL 0400, THEN PARTLY CLOUDY(50-60%).  
RAIN SHOWERS LIKELY UNTIL 2400. SNOW SHOWERS  
LIKELY. PATCHY BLOWING SNOW AFTER 2400.  
MIN TEMPERATURE.....15-25.  
24 HR TREND......10-15 DEGREES COOLER.  
MAX HUMIDITY........73-83%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 13-23 MPH WITH GUSTS TO 40 MPH.  
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 18-28 MPH WITH GUSTS TO  
45 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................30 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 40-50 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 30-35 MPH UNTIL 2200, THEN WEST 20-25  
MPH UNTIL 0400, THEN AROUND 30 MPH.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000. POOR AFTER 2400.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1500, THEN MOSTLY  
SUNNY. SLIGHT CHANCE OF SNOW SHOWERS UNTIL  
1200.  
MAX TEMPERATURE.....26-36.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........37-47%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...BREEZY. WEST WINDS 16-26 MPH WITH GUSTS TO  
40 MPH.  
RIDGES/UPR SLOPES....WINDY. WEST WINDS 20-30 MPH WITH GUSTS TO  
50 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 40-50 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL.  
TRANSPORT WINDS.....WEST 30-35 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 1100, THEN VERY GOOD.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....20-28.  
24 HR TREND......2-4 DEGREES WARMER.  
MAX HUMIDITY........60-70%.  
24 HR TREND......7-10% DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 12-18 MPH WITH GUSTS TO 35 MPH.  
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 16-26 MPH WITH GUSTS TO  
40 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 35-45 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....WEST 30-35 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 0200, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 0700, THEN PARTLY  
CLOUDY(30-40%) UNTIL 1200, THEN MOSTLY SUNNY  
UNTIL 1300, THEN PARTLY CLOUDY(30-35%).  
MAX TEMPERATURE.....40-50.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........38-48%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 11-20 MPH WITH GUSTS TO 35 MPH.  
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 16-26 MPH WITH GUSTS TO  
40 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......2500-3500 FT AGL.  
TRANSPORT WINDS.....WEST 30-35 MPH.  
SMOKE DISPERSAL.....FAIR.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. WEST WINDS  
12-18 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 40S. WEST WINDS  
10-16 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE MID  
40S. WEST WINDS 7-13 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER  
50S. WEST WINDS 9-15 MPH.  
 

 
 
COZ212-211045-  
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/  
GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE  
9000 FEET-  
INCLUDING BERTHOUD PASS, BRECKENRIDGE,  
EAST SLOPES MOSQUITO RANGE, EAST SLOPES SOUTHERN GORE RANGE,  
EISENHOWER TUNNEL, INDIAN PEAKS, KENOSHA MOUNTAINS, MOUNT EVANS,  
PUMA HILLS, TARRYALL MOUNTAINS, WILLIAMS FORK MOUNTAINS,  
AND WINTER PARK  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 2400, THEN MOSTLY  
CLOUDY UNTIL 0300, THEN PARTLY CLOUDY(50-60%).  
CHANCE OF SNOW SHOWERS UNTIL 2400. CHANCE OF  
RAIN SHOWERS. SNOW SHOWERS LIKELY AFTER 2400.  
PATCHY BLOWING SNOW AFTER 2400.  
MIN TEMPERATURE.....16-26.  
24 HR TREND......10-15 DEGREES COOLER.  
MAX HUMIDITY........73-83%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 14-24 MPH WITH GUSTS TO 35 MPH.  
RIDGES/UPR SLOPES....WINDY. WEST WINDS 20-30 MPH WITH GUSTS TO  
45 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................20 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 40-50 MPH.  
MIXING HEIGHT.......2500-3500 FT AGL.  
TRANSPORT WINDS.....WEST 25-30 MPH.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000. POOR AFTER 2300.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1400, THEN MOSTLY  
SUNNY. CHANCE OF SNOW SHOWERS UNTIL 1200.  
MAX TEMPERATURE.....27-37.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........32-42%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 14-24 MPH WITH GUSTS TO 35 MPH.  
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 17-27 MPH WITH GUSTS TO  
45 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................10 PERCENT UNTIL 1200, THEN 0 PERCENT.  
15K FT MSL WINDS....WEST 30-40 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL.  
TRANSPORT WINDS.....WEST 25-30 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 1100, THEN GOOD.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....18-28.  
24 HR TREND......2-4 DEGREES WARMER.  
MAX HUMIDITY........56-66%.  
24 HR TREND......15-20% DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 11-17 MPH WITH GUSTS TO 35 MPH.  
RIDGES/UPR SLOPES....BREEZY. NORTHWEST WINDS 15-25 MPH WITH  
GUSTS TO 35 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 35-45 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 25-30 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 0900, THEN PARTLY CLOUDY  
UNTIL 1000, THEN MOSTLY SUNNY UNTIL 1500, THEN  
PARTLY CLOUDY UNTIL 1600, THEN MOSTLY SUNNY.  
MAX TEMPERATURE.....42-52.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........34-44%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 9-15 MPH WITH GUSTS TO 30 MPH.  
RIDGES/UPR SLOPES....NORTHWEST WINDS 13-23 MPH WITH GUSTS TO 35  
MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......3500-4500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 20-25 MPH UNTIL 1200, THEN 25-30 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN FAIR.  
   
SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. WEST WINDS  
9-15 MPH.    
MONDAY
 
MOSTLY CLEAR. HIGHS IN THE UPPER 40S. NORTHWEST WINDS  
8-14 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE MID  
40S. NORTHWEST WINDS 6-12 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER  
50S. WEST WINDS 7-13 MPH.  
 

 
 
COZ217-211045-  
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-  
INCLUDING EAST SLOPES PARK AND NORTHERN GORE RANGES, GORE PASS,  
AND RABBIT EARS PASS  
408 PM MDT FRI OCT 20 2017  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0400, THEN PARTLY  
CLOUDY(55-60%). RAIN SHOWERS LIKELY UNTIL 2300.  
SNOW SHOWERS LIKELY UNTIL 0500, THEN CHANCE OF  
SNOW SHOWERS.  
MIN TEMPERATURE.....17-24.  
24 HR TREND......10-15 DEGREES COOLER.  
MAX HUMIDITY........80-90%.  
24 HR TREND......25-35% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 13-23 MPH. GUSTS UP TO 40 MPH  
DECREASING TO 30 MPH AFTER MIDNIGHT.  
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 15-25 MPH. GUSTS UP TO  
45 MPH DECREASING TO 35 MPH AFTER  
MIDNIGHT.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................40 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 35-45 MPH.  
MIXING HEIGHT.......3000-4000 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 30-35 MPH UNTIL 2000, THEN WEST 20-25  
MPH UNTIL 2400, THEN 15-20 MPH UNTIL 0300, THEN  
AROUND 25 MPH.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900. POOR AFTER 2100.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 1200, THEN PARTLY  
CLOUDY(35-45%). SLIGHT CHANCE OF SNOW SHOWERS  
UNTIL 1200.  
MAX TEMPERATURE.....27-37.  
24 HR TREND......20-25 DEGREES COOLER.  
MIN HUMIDITY........41-51%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 13-23 MPH WITH GUSTS TO 30 MPH.  
RIDGES/UPR SLOPES....WEST WINDS 15-24 MPH WITH GUSTS TO 35 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 35-45 MPH.  
MIXING HEIGHT.......5500-6500 FT AGL.  
TRANSPORT WINDS.....WEST 25-30 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 1100, THEN VERY GOOD.  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(30-40%).  
MIN TEMPERATURE.....21-27.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........65-75%.  
24 HR TREND......15-20% DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 9-15 MPH WITH GUSTS TO 30 MPH.  
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 16-26 MPH WITH GUSTS TO  
35 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 40-50 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....WEST 25-30 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2200, THEN POOR.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%).  
MAX TEMPERATURE.....40-50.  
24 HR TREND......10-15 DEGREES WARMER.  
MIN HUMIDITY........42-52%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 9-15 MPH WITH GUSTS TO 30 MPH.  
RIDGES/UPR SLOPES....WEST WINDS 14-24 MPH WITH GUSTS TO 30 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 35-45 MPH.  
MIXING HEIGHT.......3000-4000 FT AGL.  
TRANSPORT WINDS.....WEST 20-25 MPH UNTIL 1200, THEN 25-30 MPH.  
SMOKE DISPERSAL.....FAIR.  
   
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS  
9-15 MPH.    
MONDAY
 
PARTLY CLOUDY. HIGHS IN THE UPPER 40S. WEST WINDS  
8-14 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE  
UPPER 40S. WEST WINDS 5-9 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER  
50S. SOUTHWEST WINDS 7-13 MPH.  
 

 
   
OUTLOOK 6 TO 10 DAYS
 
 
TEMPERATURES ABOVE NORMAL AND PRECIPITATION BELOW NORMAL.  
 

 
 
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