068  
FNUS55 KBOU 171114  
FWFBOU  
 
FIRE WEATHER FORECAST FOR NORTHEAST AND NORTH CENTRAL COLORADO  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
514 AM MDT FRI AUG 17 2018  
   
DISCUSSION...TODAY AND TONIGHT
 
MOISTURE WILL CONTINUE TO  
GRADUALLY INCREASE FROM THE SOUTHWEST TODAY. THERE WILL BE MORE  
CLOUDS AND SLIGHTLY HIGHER HUMIDITIES. THERE WILL ALSO BE A BIT  
MORE THUNDERSTORM ACTIVITY THIS AFTERNOON AND EVENING, THOUGH IT  
WILL STILL MAINLY BE WEAK AND MAINLY ALONG AND SOUTH OF I-70. A  
FEW STRONGER STORMS ARE EXPECTED SOUTH AND SOUTHEAST OF DENVER.  
 
LONG TERM DISCUSSION...SATURDAY THROUGH TUESDAY...  
A STRONG UPPER LEVEL DISTURBANCE WILL MOVE ACROSS NORTHERN COLORADO  
ON SATURDAY AFTERNOON AND NIGHT WITH A BETTER CHANCE FOR SHOWERS AND  
THUNDERSTORMS, AND EVEN A FEW SEVERE STORMS WILL BE POSSIBLE WITH  
LARGE HAIL, DAMAGING WIND AND HEAVY RAIN. THERE WILL BE A COOLER AND  
MORE STABLE AIRMASS IN PLACE ON SUNDAY WITH JUST A SLIGHT CHANCE FOR  
SHOWERS, MAINLY OVER THE FAR EASTERN PLAINS. IT WILL BE WARMER  
AND MAINLY DRY AGAIN BY THE MIDDLE OF NEXT WEEK, WITH JUST A  
SLIGHT CHANCE OF LATE DAY STORMS OVER THE MOUNTAINS AND ADJACENT  
PLAINS.  
 
...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...  
 
COZ238-172215-  
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-  
INCLUDING FORT COLLINS, HEREFORD, LOVELAND, NUNN,  
AND WEST PAWNEE GRASSLANDS  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%). SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 1400.  
MAX TEMPERATURE.....84-88.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........28-32%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......EAST WINDS 4-6 MPH SHIFTING TO THE SOUTHEAST  
5-9 MPH IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......3500-4500 FT AGL UNTIL 1200, THEN 10000-11000  
FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1700, THEN SOUTHWEST AROUND  
10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%). SLIGHT CHANCE OF  
THUNDERSTORMS UNTIL 2400.  
MIN TEMPERATURE.....54-58.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........83-93%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......SOUTHEAST WINDS 5-9 MPH. GUSTS UP TO 20 MPH IN  
THE EVENING.  
HAINES INDEX........4 LOW.  
LAL.................3 UNTIL 2400, THEN 1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......6000-7000 FT AGL UNTIL 2100, THEN 1000-1500 FT  
AGL.  
TRANSPORT WINDS.....SOUTH 10-15 MPH UNTIL 0300, THEN LIGHT.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 0900, THEN MOSTLY  
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL  
1200, THEN CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....81-85.  
24 HR TREND......2-4 DEGREES COOLER.  
MIN HUMIDITY........29-35%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......NORTHWEST WINDS 6-12 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 10 PERCENT.  
15K FT MSL WINDS....WEST 15-20 MPH.  
MIXING HEIGHT.......2500-3500 FT AGL UNTIL 1100, THEN 11000-12000  
FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000, THEN NORTHWEST 10-15  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 50S. NORTHWEST WINDS 5-9 MPH.    
SUNDAY
 
COOLER. PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.  
HIGHS IN THE LOWER 70S. NORTH WINDS 11-17 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S. EAST WINDS 5-9 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE UPPER 70S.  
EAST WINDS 5-9 MPH.  
 

 
 
COZ239-172215-  
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD  
COUNTY-  
INCLUDING ARVADA, BOULDER, GOLDEN, LAKEWOOD, AND LONGMONT  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%). SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....84-88.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........28-32%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......NORTHEAST WINDS 4-6 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......4500-5500 FT AGL UNTIL 1200, THEN 10500-11500  
FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS.  
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN FAIR.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF  
THUNDERSTORMS UNTIL 2300.  
MIN TEMPERATURE.....57-61.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........70-80%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 4-8 MPH SHIFTING TO THE WEST  
4-7 MPH AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 2400, THEN 1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTH AROUND 15 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1900, THEN SOUTHWEST AROUND  
10 MPH UNTIL 2400, THEN LIGHT.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 1200, THEN MOSTLY  
CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....82-86.  
24 HR TREND......2-4 DEGREES COOLER.  
MIN HUMIDITY........30-34%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......NORTHWEST WINDS 5-11 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 10 PERCENT.  
15K FT MSL WINDS....NORTHWEST 15-25 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL UNTIL 1200, THEN 10000-10500  
FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000, THEN NORTHWEST 10-15  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 50S. NORTHWEST WINDS 5-8 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE MID 70S. NORTH WINDS 6-12 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER  
70S. NORTHEAST WINDS 5-7 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER  
80S. NORTH WINDS 5-6 MPH.  
 

 
 
COZ240-172215-  
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  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%). SLIGHT CHANCE OF RAIN  
SHOWERS AFTER 1100 UNTIL 1200, THEN SLIGHT  
CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....86-90.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........26-30%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 4-6 MPH SHIFTING TO THE EAST  
4-8 MPH WITH GUSTS TO 20 MPH IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......2500-3500 FT AGL UNTIL 1100, THEN 11000-12000  
FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1000, THEN LIGHT.  
SMOKE DISPERSAL.....POOR UNTIL 1500, THEN FAIR.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%). SLIGHT CHANCE OF  
THUNDERSTORMS UNTIL 2400.  
MIN TEMPERATURE.....58-62.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........75-83%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 7-13 MPH. GUSTS UP TO 30 MPH IN THE  
EVENING.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 2400, THEN 1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTH AROUND 15 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1900, THEN SOUTHWEST 10-15  
MPH UNTIL 0500, THEN LIGHT.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY  
CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....83-87.  
24 HR TREND......2-4 DEGREES COOLER.  
MIN HUMIDITY........28-32%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 4-7 MPH SHIFTING TO THE NORTH  
4-13 MPH IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 10 PERCENT.  
15K FT MSL WINDS....NORTHWEST 15-25 MPH.  
MIXING HEIGHT.......4500-5500 FT AGL UNTIL 1200, THEN 9000-9500 FT  
AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000, THEN NORTHWEST 10-15  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN  
THE UPPER 50S. NORTHWEST WINDS 5-8 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE MID 70S. NORTH WINDS 8-14 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER  
70S. NORTHEAST WINDS 5-8 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE LOWER  
80S. EAST WINDS 5-9 MPH.  
 

 
 
COZ241-172215-  
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-  
INCLUDING CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 1200, THEN MOSTLY  
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER  
0900 UNTIL 1700, THEN CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....79-86.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........31-39%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 8-14 MPH. GUSTS UP TO 30 MPH IN THE  
AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......5500-6500 FT AGL UNTIL 1200, THEN 10500-11500  
FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 15-20 MPH UNTIL 1200, THEN SOUTH  
10-15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000. VERY GOOD AFTER 1500.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2100, THEN PARTLY  
CLOUDY(40-50%). CHANCE OF THUNDERSTORMS UNTIL  
2100, THEN SLIGHT CHANCE OF THUNDERSTORMS UNTIL  
0300.  
MIN TEMPERATURE.....53-59.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........79-89%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 9-15 MPH WITH GUSTS TO 25 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................4 UNTIL 2400, THEN 3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTH AROUND 15 MPH.  
MIXING HEIGHT.......6500-7500 FT AGL UNTIL 2100, THEN 1500-2500 FT  
AGL.  
TRANSPORT WINDS.....SOUTH 10-15 MPH UNTIL 2300, THEN SOUTHWEST  
15-20 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY  
CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....79-85.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........32-38%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......SOUTHWEST WINDS 6-12 MPH SHIFTING TO THE NORTH  
IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 20 PERCENT.  
15K FT MSL WINDS....NORTHWEST 20-30 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL UNTIL 1200, THEN 9000-10000 FT  
AGL.  
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 50S. WEST WINDS 5-9 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE LOWER 70S. NORTH WINDS 10-16 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE MID 70S.  
NORTHEAST WINDS 6-12 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE  
UPPER 70S. SOUTHEAST WINDS 6-12 MPH.  
 

 
 
COZ242-172215-  
NORTHEAST WELD COUNTY-  
INCLUDING BRIGGSDALE, EAST PAWNEE GRASSLANDS, GROVER,  
PAWNEE BUTTES, RAYMER, AND STONEHAM  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 1500.  
MAX TEMPERATURE.....85-89.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........27-31%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......SOUTHEAST WINDS 7-13 MPH. GUSTS UP TO 30 MPH IN  
THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 2.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 10000-11000  
FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100. VERY GOOD AFTER 1400.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2100, THEN PARTLY  
CLOUDY(40-50%). SLIGHT CHANCE OF THUNDERSTORMS  
UNTIL 1900, THEN CHANCE OF THUNDERSTORMS UNTIL  
2100, THEN SLIGHT CHANCE OF THUNDERSTORMS UNTIL  
2400.  
MIN TEMPERATURE.....55-59.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........91-97%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......SOUTHEAST WINDS 6-12 MPH. GUSTS UP TO 30 MPH IN  
THE EVENING.  
HAINES INDEX........3 VERY LOW.  
LAL.................4 UNTIL 2400, THEN 1.  
CWR.................10 PERCENT UNTIL 2400, THEN 0 PERCENT.  
15K FT MSL WINDS....EAST AROUND 15 MPH.  
MIXING HEIGHT.......8000-9000 FT AGL UNTIL 2000. BELOW 1000 FT AGL  
AFTER 0100.  
TRANSPORT WINDS.....SOUTH 15-20 MPH UNTIL 0300, THEN AROUND 10 MPH.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY  
CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....82-86.  
24 HR TREND......2-4 DEGREES COOLER.  
MIN HUMIDITY........29-35%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......SOUTH WINDS 5-9 MPH SHIFTING TO THE NORTHWEST  
7-13 MPH IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 10 PERCENT.  
15K FT MSL WINDS....WEST 15-20 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 9500-10500  
FT AGL.  
TRANSPORT WINDS.....NORTHWEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
   
SATURDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 50S. NORTH WINDS 6-12 MPH.    
SUNDAY
 
COOLER. PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.  
HIGHS IN THE LOWER 70S. NORTH WINDS 14-24 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S. NORTHEAST WINDS 7-13 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 50S. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS 6-12 MPH.  
 

 
 
COZ243-172215-  
CENTRAL AND SOUTH WELD COUNTY-  
INCLUDING EATON, FORT LUPTON, GREELEY, AND ROGGEN  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%). SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 1300.  
MAX TEMPERATURE.....87-91.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........27-31%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......SOUTHEAST WINDS 4-8 MPH. GUSTS UP TO 25 MPH IN  
THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 9500-10500  
FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 0800, THEN LIGHT  
UNTIL 1600, THEN SOUTH AROUND 10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 2100, THEN PARTLY  
CLOUDY(40-50%). SLIGHT CHANCE OF THUNDERSTORMS  
UNTIL 2400.  
MIN TEMPERATURE.....56-60.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........87-97%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......SOUTHEAST WINDS 6-12 MPH. GUSTS UP TO 25 MPH IN  
THE EVENING.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 2400, THEN 1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHEAST AROUND 15 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0100, THEN BELOW 1000 FT  
AGL.  
TRANSPORT WINDS.....SOUTH 10-15 MPH UNTIL 0300, THEN LIGHT.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 1200, THEN MOSTLY  
CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....84-88.  
24 HR TREND......2-4 DEGREES COOLER.  
MIN HUMIDITY........30-34%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 4-7 MPH SHIFTING TO THE NORTH  
6-12 MPH IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 10 PERCENT.  
15K FT MSL WINDS....NORTHWEST 15-20 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 10000-11000  
FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100, THEN WEST AROUND 10 MPH  
UNTIL 1700, THEN LIGHT.  
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 50S. NORTH WINDS 5-9 MPH.    
SUNDAY
 
NOT AS WARM. PARTLY CLOUDY. SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE MID 70S. NORTH WINDS 10-16 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER  
70S. EAST WINDS 5-9 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE  
LOWER 80S. EAST WINDS 5-9 MPH.  
 

 
 
COZ244-172215-  
MORGAN COUNTY-  
INCLUDING BRUSH, FORT MORGAN, GOODRICH, AND WIGGINS  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%). SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 1300.  
MAX TEMPERATURE.....88-92.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........26-30%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 8-14 MPH. GUSTS UP TO 30 MPH IN THE  
AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 10000-11000  
FT AGL.  
TRANSPORT WINDS.....SOUTH 15-20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000. VERY GOOD AFTER 1300.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2100, THEN PARTLY  
CLOUDY(40-50%). SLIGHT CHANCE OF THUNDERSTORMS  
UNTIL 1900, THEN CHANCE OF THUNDERSTORMS UNTIL  
2100, THEN SLIGHT CHANCE OF THUNDERSTORMS UNTIL  
2400.  
MIN TEMPERATURE.....57-61.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........91-97%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 7-13 MPH. GUSTS UP TO 25 MPH IN THE  
EVENING.  
HAINES INDEX........3 VERY LOW.  
LAL.................4 UNTIL 2400, THEN 1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....EAST AROUND 15 MPH.  
MIXING HEIGHT.......5500-6500 FT AGL UNTIL 2100. BELOW 1000 FT AGL  
AFTER 0500.  
TRANSPORT WINDS.....SOUTH 20-25 MPH UNTIL 0200, THEN AROUND 15 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2000, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1200, THEN MOSTLY  
CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....85-89.  
24 HR TREND......2-4 DEGREES COOLER.  
MIN HUMIDITY........29-33%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 6-12 MPH SHIFTING TO THE NORTHWEST  
IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 10 PERCENT.  
15K FT MSL WINDS....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 10000-11000  
FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 15-20 MPH UNTIL 1500, THEN WEST  
AROUND 10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.  
   
SATURDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 50S. NORTH WINDS 6-12 MPH.    
SUNDAY
 
NOT AS WARM. PARTLY CLOUDY. SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE MID 70S. NORTH WINDS 13-20 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER  
70S. NORTHEAST WINDS 7-13 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 50S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS 7-13 MPH.  
 

 
 
COZ245-172215-  
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-  
INCLUDING BENNETT, BYERS, DEER TRAIL, AND LEADER  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 1500, THEN MOSTLY  
CLOUDY(60-65%). SLIGHT CHANCE OF THUNDERSTORMS  
AFTER 1200.  
MAX TEMPERATURE.....85-89.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........28-34%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 9-15 MPH. GUSTS UP TO 30 MPH IN THE  
AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700. 9500-10500 FT AGL  
AFTER 1100.  
TRANSPORT WINDS.....SOUTH 15-20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000. VERY GOOD AFTER 1300.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2100, THEN PARTLY  
CLOUDY(40-50%). SLIGHT CHANCE OF THUNDERSTORMS  
UNTIL 1900, THEN CHANCE OF THUNDERSTORMS UNTIL  
2100, THEN SLIGHT CHANCE OF THUNDERSTORMS UNTIL  
2400.  
MIN TEMPERATURE.....57-61.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........84-94%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 9-15 MPH WITH GUSTS TO 25 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................4 UNTIL 2400, THEN 1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHEAST AROUND 15 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0300, THEN BELOW 1000 FT  
AGL.  
TRANSPORT WINDS.....SOUTH 15-20 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 0100, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY  
CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....83-87.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........30-34%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......SOUTH WINDS 7-13 MPH SHIFTING TO THE NORTH IN  
THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 20 PERCENT.  
15K FT MSL WINDS....NORTHWEST 15-20 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700. 10000-11000 FT  
AGL AFTER 1200.  
TRANSPORT WINDS.....SOUTHWEST 15-20 MPH UNTIL 1200, THEN WEST  
AROUND 10 MPH UNTIL 1700, THEN LIGHT.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 50S. NORTHWEST WINDS 6-12 MPH.    
SUNDAY
 
NOT AS WARM. PARTLY CLOUDY. SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE MID 70S. NORTH WINDS 12-18 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER  
70S. NORTHEAST WINDS 7-13 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE  
LOWER 80S. SOUTHEAST WINDS 8-14 MPH.  
 

 
 
COZ248-172215-  
LOGAN COUNTY-  
INCLUDING CROOK, MERINO, STERLING, AND PEETZ  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 0900, THEN PARTLY  
CLOUDY(35-45%). SLIGHT CHANCE OF THUNDERSTORMS  
AFTER 1400.  
MAX TEMPERATURE.....85-89.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........31-35%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......SOUTHEAST WINDS 8-14 MPH. GUSTS UP TO 25 MPH IN  
THE AFTERNOON.  
HAINES INDEX........4 LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 15-20 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 9000-10000  
FT AGL.  
TRANSPORT WINDS.....SOUTH 10-15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100. VERY GOOD AFTER 1500.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2100, THEN PARTLY  
CLOUDY(40-50%). SLIGHT CHANCE OF THUNDERSTORMS  
UNTIL 0400.  
MIN TEMPERATURE.....57-61.  
24 HR TREND......2-4 DEGREES WARMER.  
MAX HUMIDITY........92-96%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 7-13 MPH. GUSTS UP TO 20 MPH IN THE  
EVENING.  
HAINES INDEX........3 VERY LOW.  
LAL.................3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHEAST AROUND 15 MPH.  
MIXING HEIGHT.......8000-9000 FT AGL UNTIL 2000. BELOW 1000 FT AGL  
AFTER 2400.  
TRANSPORT WINDS.....SOUTH 15-20 MPH.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 1200, THEN MOSTLY  
CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....83-87.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........35-41%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 9-15 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 20 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 15-20 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 9000-10000  
FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1200, THEN  
VERY GOOD UNTIL 1700, THEN GOOD.  
   
SATURDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN  
THE UPPER 50S. NORTHWEST WINDS 7-13 MPH.    
SUNDAY
 
COOLER. PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. HIGHS  
IN THE MID 70S. NORTH WINDS 13-23 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER  
70S. NORTHEAST WINDS 7-13 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 50S. HIGHS AROUND 80. SOUTHEAST WINDS 7-12 MPH.  
 

 
 
COZ249-172215-  
WASHINGTON COUNTY-  
INCLUDING AKRON, COPE, LAST CHANCE, AND OTIS  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%). SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....86-90.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........29-35%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 9-15 MPH WITH GUSTS TO 25 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST 15-20 MPH.  
MIXING HEIGHT.......9500-10500 FT AGL.  
TRANSPORT WINDS.....SOUTH 10-15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100. VERY GOOD AFTER 1500.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY  
CLOUDY(35-45%). SLIGHT CHANCE OF THUNDERSTORMS  
UNTIL 0400.  
MIN TEMPERATURE.....57-61.  
24 HR TREND......2-4 DEGREES WARMER.  
MAX HUMIDITY........91-95%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 8-14 MPH WITH GUSTS TO 25 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHEAST AROUND 15 MPH.  
MIXING HEIGHT.......8000-9000 FT AGL UNTIL 2000. BELOW 1000 FT AGL  
AFTER 0300.  
TRANSPORT WINDS.....SOUTH 15-20 MPH.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1500, THEN MOSTLY  
CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....84-88.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........33-41%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 9-15 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 20 PERCENT.  
15K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 9500-10500  
FT AGL.  
TRANSPORT WINDS.....SOUTH 20-25 MPH UNTIL 1400, THEN SOUTHWEST  
AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000. VERY GOOD AFTER 1300.  
   
SATURDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN  
THE UPPER 50S. WEST WINDS 6-12 MPH.    
SUNDAY
 
NOT AS WARM. PARTLY CLOUDY. SLIGHT CHANCE OF  
THUNDERSTORMS. HIGHS IN THE MID 70S. NORTH WINDS 13-23 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER  
70S. NORTHEAST WINDS 8-14 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 50S. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS 8-14 MPH.  
 

 
 
COZ250-172215-  
SEDGWICK COUNTY-  
INCLUDING JULESBURG, OVID, AND SEDGWICK  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY  
CLOUDY(30-40%).  
MAX TEMPERATURE.....AROUND 87.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........35-39%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......SOUTHEAST WINDS 6-12 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
HAINES INDEX........4 LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 15-25 MPH.  
MIXING HEIGHT.......6500-7500 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1300, THEN SOUTHEAST 10-15  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%). SLIGHT CHANCE OF  
THUNDERSTORMS UNTIL 0400.  
MIN TEMPERATURE.....59-63.  
24 HR TREND......2-4 DEGREES WARMER.  
MAX HUMIDITY........90-94%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 7-13 MPH. GUSTS UP TO 20 MPH IN THE  
EVENING.  
HAINES INDEX........4 LOW.  
LAL.................3 UNTIL 2400, THEN 2.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHEAST AROUND 15 MPH.  
MIXING HEIGHT.......3500-4500 FT AGL UNTIL 2400, THEN BELOW 1000 FT  
AGL.  
TRANSPORT WINDS.....SOUTH 15-20 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2300, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1500, THEN MOSTLY  
CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....83-87.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........40-44%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 9-15 MPH.  
HAINES INDEX........4 LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 20 PERCENT.  
15K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 7000-8000 FT  
AGL.  
TRANSPORT WINDS.....SOUTH 15-20 MPH UNTIL 1100, THEN 20-25 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN VERY GOOD UNTIL 1300,  
THEN EXCELLENT UNTIL 1700, THEN VERY GOOD.  
   
SATURDAY NIGHT
 
THUNDERSTORMS LIKELY. LOWS IN THE UPPER 50S.  
SOUTH WINDS 7-13 MPH.    
SUNDAY
 
NOT AS WARM. MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS.  
HIGHS IN THE MID 70S. NORTH WINDS 13-20 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER  
70S. NORTH WINDS 8-14 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 50S. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS 6-10 MPH.  
 

 
 
COZ251-172215-  
PHILLIPS COUNTY-  
INCLUDING AMHERST, HAXTUN, AND HOLYOKE  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 0900, THEN PARTLY  
CLOUDY(30-40%). AREAS OF FOG AFTER 0700 UNTIL  
0800.  
MAX TEMPERATURE.....85-89.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........33-37%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......SOUTHEAST WINDS 7-13 MPH.  
HAINES INDEX........4 LOW.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST 15-25 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 7000-8000 FT  
AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0800, THEN SOUTHEAST 10-15  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%). SLIGHT CHANCE OF  
THUNDERSTORMS UNTIL 0500.  
MIN TEMPERATURE.....58-62.  
24 HR TREND......2-4 DEGREES WARMER.  
MAX HUMIDITY........91-95%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 7-12 MPH. GUSTS UP TO 20 MPH IN THE  
EVENING.  
HAINES INDEX........4 LOW.  
LAL.................3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHEAST 15-20 MPH.  
MIXING HEIGHT.......2500-3500 FT AGL UNTIL 2400, THEN BELOW 1000 FT  
AGL.  
TRANSPORT WINDS.....SOUTH 15-20 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2100, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1500, THEN MOSTLY  
CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....84-88.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........38-42%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 9-15 MPH.  
HAINES INDEX........4 LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 20 PERCENT.  
15K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 7000-8000 FT  
AGL.  
TRANSPORT WINDS.....SOUTH 15-20 MPH UNTIL 1000, THEN 20-25 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1200.  
   
SATURDAY NIGHT
 
THUNDERSTORMS LIKELY. LOWS IN THE UPPER 50S.  
SOUTH WINDS 6-12 MPH.    
SUNDAY
 
NOT AS WARM. MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS.  
HIGHS IN THE MID 70S. NORTH WINDS 13-20 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER  
70S. NORTH WINDS 8-14 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 50S. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS 5-13 MPH.  
 

 
 
COZ246-172215-  
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN  
COUNTY-  
INCLUDING AGATE, HUGO, LIMON, AND MATHESON  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY  
CLOUDY(60-65%). SLIGHT CHANCE OF THUNDERSTORMS  
AFTER 1200.  
MAX TEMPERATURE.....83-87.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........33-37%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 9-15 MPH. GUSTS UP TO 20 MPH  
INCREASING TO 30 MPH IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......9500-10500 FT AGL.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100. VERY GOOD AFTER 1500.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY  
CLOUDY(35-45%). CHANCE OF THUNDERSTORMS UNTIL  
2100, THEN SLIGHT CHANCE OF THUNDERSTORMS UNTIL  
0300.  
MIN TEMPERATURE.....55-59.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........90-100%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 9-15 MPH WITH GUSTS TO 25 MPH.  
HAINES INDEX........2 VERY LOW.  
LAL.................4 UNTIL 2400, THEN 3.  
CWR.................10 PERCENT UNTIL 2400, THEN 0 PERCENT.  
15K FT MSL WINDS....SOUTHEAST AROUND 15 MPH.  
MIXING HEIGHT.......6500-7500 FT AGL UNTIL 2100, THEN 1500-2500 FT  
AGL.  
TRANSPORT WINDS.....SOUTH 15-20 MPH.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY  
CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....81-85.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........35-43%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 8-14 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 20 PERCENT.  
15K FT MSL WINDS....NORTHWEST 15-20 MPH.  
MIXING HEIGHT.......8500-9500 FT AGL.  
TRANSPORT WINDS.....SOUTH 20-25 MPH UNTIL 1200, THEN SOUTHWEST  
10-15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 50S. WEST WINDS 6-12 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE MID 70S. NORTH WINDS 13-20 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE MID 70S.  
NORTHEAST WINDS 8-14 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 50S. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS 8-14 MPH.  
 

 
 
COZ247-172215-  
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-  
INCLUDING FORDER, KARVAL, KUTCH, AND PUNKIN CENTER  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 1500, THEN MOSTLY  
CLOUDY(60-65%). SLIGHT CHANCE OF RAIN SHOWERS  
AFTER 1100 UNTIL 1200, THEN SLIGHT CHANCE OF  
THUNDERSTORMS.  
MAX TEMPERATURE.....84-88.  
24 HR TREND......2-4 DEGREES COOLER.  
MIN HUMIDITY........33-37%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 7-13 MPH. GUSTS UP TO 25 MPH IN THE  
AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......9500-10500 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0700, THEN SOUTH 10-15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100. VERY GOOD AFTER 1400.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2400, THEN PARTLY  
CLOUDY(50-60%). CHANCE OF THUNDERSTORMS UNTIL  
2300, THEN SLIGHT CHANCE OF THUNDERSTORMS UNTIL  
0500.  
MIN TEMPERATURE.....56-60.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........96-99%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 6-12 MPH. GUSTS UP TO 20 MPH IN THE  
EVENING.  
HAINES INDEX........2 VERY LOW.  
LAL.................4 UNTIL 2400, THEN 3.  
CWR.................10 PERCENT UNTIL 2400, THEN 0 PERCENT.  
15K FT MSL WINDS....SOUTHEAST AROUND 15 MPH.  
MIXING HEIGHT.......7500-8500 FT AGL UNTIL 2100, THEN 2000-3000 FT  
AGL.  
TRANSPORT WINDS.....SOUTH 10-15 MPH.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 2000, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY  
CLOUDY. CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....83-87.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........36-40%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......SOUTHEAST WINDS 6-12 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 20 PERCENT.  
15K FT MSL WINDS....NORTHWEST 15-20 MPH.  
MIXING HEIGHT.......6000-7000 FT AGL.  
TRANSPORT WINDS.....SOUTH 10-15 MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 50S. NORTH  
WINDS 6-12 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE UPPER 70S. NORTH WINDS 13-20 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER  
70S. NORTHEAST WINDS 8-14 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE  
LOWER 80S. SOUTHEAST WINDS 7-13 MPH.  
 

 
 
COZ215-172215-  
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-  
INCLUDING ESTES PARK, GLENDEVEY, LARAMIE RIVER VALLEY, NEDERLAND,  
AND RED FEATHER LAKES  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 1200, THEN MOSTLY  
CLOUDY(60-65%). SLIGHT CHANCE OF THUNDERSTORMS  
AFTER 0900.  
MAX TEMPERATURE.....73-83.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........26-36%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 4-7 MPH SHIFTING TO THE  
SOUTHEAST 5-9 MPH WITH GUSTS TO 20 MPH IN  
THE AFTERNOON.  
RIDGES/UPR SLOPES....WEST WINDS 4-8 MPH SHIFTING TO THE EAST IN  
THE AFTERNOON.  
HAINES INDEX........4 LOW.  
LAL.................3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......4500-5500 FT AGL UNTIL 1100, THEN 10500-11500  
FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS.  
SMOKE DISPERSAL.....POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%). SLIGHT CHANCE OF  
THUNDERSTORMS UNTIL 2400. SLIGHT CHANCE OF RAIN  
SHOWERS AFTER 0500.  
MIN TEMPERATURE.....48-58.  
24 HR TREND......2-4 DEGREES WARMER.  
MAX HUMIDITY........64-74%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...SOUTHEAST WINDS 4-7 MPH SHIFTING TO THE  
SOUTHWEST AFTER MIDNIGHT.  
RIDGES/UPR SLOPES....SOUTH WINDS 4-7 MPH SHIFTING TO THE  
SOUTHWEST 4-8 MPH AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 2400, THEN 1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......2500-3500 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 2100, THEN SOUTHEAST AROUND  
10 MPH UNTIL 2300, THEN LIGHT.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 0900, THEN MOSTLY  
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL  
1200, THEN CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....70-80.  
24 HR TREND......2-4 DEGREES COOLER.  
MIN HUMIDITY........30-38%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 6-12 MPH.  
RIDGES/UPR SLOPES....WEST WINDS 6-12 MPH WITH GUSTS TO 20 MPH.  
HAINES INDEX........4 LOW.  
LAL.................3 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 10 PERCENT.  
15K FT MSL WINDS....WEST 15-25 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL UNTIL 1200, THEN 11500-12500  
FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0700. NORTHWEST 15-20 MPH  
AFTER 1200.  
SMOKE DISPERSAL.....POOR UNTIL 1000. VERY GOOD AFTER 1200.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN  
THE UPPER 40S. NORTHWEST WINDS 5-8 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE MID 60S. NORTH WINDS 8-14 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER  
70S. SOUTH WINDS 5-7 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE  
LOWER 70S. WEST WINDS 5-8 MPH.  
 

 
 
COZ216-172215-  
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  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 0900, THEN MOSTLY  
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER  
0800 UNTIL 0900, THEN SLIGHT CHANCE OF  
THUNDERSTORMS UNTIL 1200, THEN CHANCE OF  
THUNDERSTORMS.  
MAX TEMPERATURE.....72-82.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........29-37%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 4-8 MPH SHIFTING TO THE EAST  
5-9 MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....WEST WINDS 4-8 MPH SHIFTING TO THE EAST  
5-9 MPH IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 10 PERCENT.  
15K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......6500-7500 FT AGL UNTIL 1200, THEN 10000-11000  
FT AGL.  
TRANSPORT WINDS.....WEST AROUND 10 MPH UNTIL 1000, THEN LIGHT.  
SMOKE DISPERSAL.....POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 2100, THEN PARTLY  
CLOUDY(40-50%). CHANCE OF THUNDERSTORMS UNTIL  
1900, THEN SLIGHT CHANCE OF THUNDERSTORMS UNTIL  
2400. SLIGHT CHANCE OF RAIN SHOWERS AFTER 0500.  
MIN TEMPERATURE.....51-59.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........63-73%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5-9 MPH.  
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5-11 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................4 UNTIL 2400, THEN 1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......2500-3500 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 2000, THEN SOUTHWEST AROUND  
10 MPH UNTIL 2400, THEN LIGHT.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 1200, THEN MOSTLY  
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS UNTIL  
1200, THEN CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....71-81.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........30-36%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5-9 MPH.  
RIDGES/UPR SLOPES....NORTHWEST WINDS 5-11 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 10 PERCENT.  
15K FT MSL WINDS....NORTHWEST 20-30 MPH.  
MIXING HEIGHT.......10000-11000 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0800, THEN NORTHWEST 10-15  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100. VERY GOOD AFTER 1400.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS  
AROUND 50. NORTHWEST WINDS 5-8 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE UPPER 60S. NORTH WINDS 5-9 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER  
70S. EAST WINDS 5-7 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE MID  
70S. WEST WINDS 5-7 MPH.  
 

 
 
COZ211-172215-  
JACKSON COUNTY BELOW 9000 FEET-  
INCLUDING GOULD, NORTH PARK, RAND, SPICER, AND WALDEN  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(55-60%) UNTIL 1500, THEN MOSTLY  
CLOUDY(60-65%). SLIGHT CHANCE OF THUNDERSTORMS  
AFTER 0900.  
MAX TEMPERATURE.....77-81.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........18-22%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 4-7 MPH SHIFTING TO THE NORTH 4-8  
MPH IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......3500-4500 FT AGL UNTIL 1100, THEN 11000-12000  
FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1300, THEN NORTHWEST AROUND  
10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%). SLIGHT CHANCE OF  
THUNDERSTORMS UNTIL 2100, THEN SLIGHT CHANCE OF  
RAIN SHOWERS AFTER 0500.  
MIN TEMPERATURE.....42-48.  
24 HR TREND......2-4 DEGREES WARMER.  
MAX HUMIDITY........74-84%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 4-8 MPH.  
HAINES INDEX........4 LOW.  
LAL.................3 UNTIL 2400, THEN 1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......7000-8000 FT AGL UNTIL 2100, THEN 1500-2500 FT  
AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0300, THEN SOUTH AROUND 10  
MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(55-60%) UNTIL 0900, THEN MOSTLY  
CLOUDY UNTIL 1500, THEN PARTLY CLOUDY(50-60%).  
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1200, THEN  
CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....72-76.  
24 HR TREND......4-7 DEGREES COOLER.  
MIN HUMIDITY........26-30%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......WEST WINDS 7-13 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 10 PERCENT.  
15K FT MSL WINDS....WEST 15-25 MPH.  
MIXING HEIGHT.......11500-12500 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 1200, THEN AROUND 20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1500.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN  
THE UPPER 30S. WEST WINDS 5-7 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE UPPER 60S. NORTH WINDS 5-9 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
70S. WEST WINDS 5-7 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
70S. WEST WINDS 5-7 MPH.  
 

 
 
COZ213-172215-  
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  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(55-60%) UNTIL 0900, THEN MOSTLY  
CLOUDY(60-65%). SLIGHT CHANCE OF THUNDERSTORMS  
AFTER 0900. AREAS OF SMOKE AFTER 1200.  
MAX TEMPERATURE.....75-83.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........19-25%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 4-8 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......6000-7000 FT AGL UNTIL 1200, THEN 11500 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1200, THEN WEST AROUND 10 MPH  
UNTIL 1300, THEN LIGHT.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%). AREAS OF SMOKE. SLIGHT  
CHANCE OF THUNDERSTORMS UNTIL 2200. SLIGHT  
CHANCE OF RAIN SHOWERS AFTER 0400.  
MIN TEMPERATURE.....42-50.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........73-83%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 4-6 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 2400, THEN 1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......2500-3500 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(55-60%) UNTIL 0900, THEN MOSTLY  
CLOUDY UNTIL 1500, THEN PARTLY CLOUDY(50-60%).  
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1200, THEN  
CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....70-76.  
24 HR TREND......4-7 DEGREES COOLER.  
MIN HUMIDITY........27-33%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......WEST WINDS 5-11 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 1200, THEN 4.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 20-30 MPH.  
MIXING HEIGHT.......7500-8500 FT AGL UNTIL 1500, THEN 12000-12500  
FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0700. WEST AROUND 20 MPH  
AFTER 1400.  
SMOKE DISPERSAL.....POOR UNTIL 1100. EXCELLENT AFTER 1400.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE LOWER 40S. WEST WINDS 5-7 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE UPPER 60S. NORTH WINDS 5-8 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
70S. WEST WINDS 5-7 MPH.    
TUESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
70S. WEST WINDS 5-7 MPH.  
 

 
 
COZ214-172215-  
CENTRAL AND SOUTHEAST PARK COUNTY-  
INCLUDING ELEVEN MILE CANYON RESERVOIR, FAIRPLAY, GUFFEY,  
HARTSEL, LAKE GEORGE, AND SOUTH PARK  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 0900, THEN MOSTLY  
CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS UNTIL 1200, THEN CHANCE  
OF THUNDERSTORMS.  
MAX TEMPERATURE.....69-77.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........29-35%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 4-6 MPH SHIFTING TO THE SOUTH  
4-7 MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....WEST WINDS 4-7 MPH SHIFTING TO THE  
SOUTHWEST WITH GUSTS TO 20 MPH IN THE  
AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 20 PERCENT.  
15K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......8500-9500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH UNTIL 1100, THEN LIGHT.  
SMOKE DISPERSAL.....POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 2100, THEN PARTLY  
CLOUDY(40-50%). CHANCE OF THUNDERSTORMS UNTIL  
2400, THEN SLIGHT CHANCE OF RAIN SHOWERS.  
MIN TEMPERATURE.....43-51.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........80-90%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 4-8 MPH.  
RIDGES/UPR SLOPES....WEST WINDS 4-8 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................4 UNTIL 2400, THEN 1.  
CWR.................10 PERCENT UNTIL 2400, THEN 0 PERCENT.  
15K FT MSL WINDS....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0200, THEN WEST AROUND 10  
MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY  
CLOUDY(60-65%). SLIGHT CHANCE OF THUNDERSTORMS  
UNTIL 1200, THEN CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....68-76.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........29-33%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST WINDS 6-12 MPH.  
RIDGES/UPR SLOPES....NORTHWEST WINDS 6-12 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 10 PERCENT.  
15K FT MSL WINDS....NORTHWEST 15-25 MPH.  
MIXING HEIGHT.......10500-11500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 1400, THEN AROUND 20  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100. EXCELLENT AFTER 1700.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE MID 40S. NORTHWEST WINDS 5-9 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE UPPER 60S. NORTH WINDS 6-12 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 70S. SOUTH WINDS 5-7 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 40S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 5-7 MPH.  
 

 
 
COZ218-172215-  
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  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 0900, THEN MOSTLY  
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS AFTER  
0800 UNTIL 0900, THEN SLIGHT CHANCE OF  
THUNDERSTORMS UNTIL 1400. CHANCE OF  
THUNDERSTORMS AFTER 1400. AREAS OF SMOKE AFTER  
1200.  
MAX TEMPERATURE.....64-74.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........24-34%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-8 MPH SHIFTING TO THE  
NORTH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....WEST WINDS 4-8 MPH SHIFTING TO THE  
NORTHWEST IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 10 PERCENT.  
15K FT MSL WINDS....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......9500-10500 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1400, THEN NORTHWEST AROUND  
10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%). AREAS OF SMOKE. SLIGHT  
CHANCE OF THUNDERSTORMS UNTIL 2400. SLIGHT  
CHANCE OF RAIN SHOWERS AFTER 2400.  
MIN TEMPERATURE.....43-51.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........61-71%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...SOUTH WINDS 4-8 MPH.  
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5-9 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 2400, THEN 1.  
CWR.................10 PERCENT UNTIL 2400, THEN 0 PERCENT.  
15K FT MSL WINDS....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......2500-3500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH UNTIL 2000, THEN LIGHT  
UNTIL 0400, THEN WEST AROUND 10 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 2100, THEN POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(55-60%) UNTIL 0900, THEN MOSTLY  
CLOUDY UNTIL 1500, THEN PARTLY CLOUDY(50-60%).  
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1200, THEN  
CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....60-70.  
24 HR TREND......4-7 DEGREES COOLER.  
MIN HUMIDITY........32-42%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 7-13 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
RIDGES/UPR SLOPES....WEST WINDS 9-15 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 1200, THEN 4.  
CWR.................10 PERCENT UNTIL 1200, THEN 20 PERCENT.  
15K FT MSL WINDS....WEST 15-25 MPH.  
MIXING HEIGHT.......10000-11000 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 1100, THEN AROUND 20 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 1100. EXCELLENT AFTER 1400.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 40S. NORTHWEST WINDS 6-12 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE UPPER 50S. NORTHWEST WINDS 7-13 MPH.    
MONDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE UPPER 30S. HIGHS IN THE UPPER 60S. WEST WINDS 5-7 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 40S. HIGHS IN THE MID 60S. WEST WINDS 5-9 MPH.  
 

 
 
COZ212-172215-  
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  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 0900, THEN MOSTLY  
CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS UNTIL 1200, THEN CHANCE  
OF THUNDERSTORMS. AREAS OF SMOKE AFTER 1200.  
MAX TEMPERATURE.....62-72.  
24 HR TREND......2-4 DEGREES COOLER.  
MIN HUMIDITY........28-38%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST WINDS 5-9 MPH. GUSTS UP TO 20  
MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....NORTHWEST WINDS 5-11 MPH. GUSTS UP TO 20  
MPH IN THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT UNTIL 1200, THEN 20 PERCENT.  
15K FT MSL WINDS....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......9000-10000 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0900, THEN NORTHWEST AROUND  
10 MPH UNTIL 1000, THEN LIGHT UNTIL 1500, THEN  
WEST AROUND 10 MPH UNTIL 1600, THEN LIGHT.  
SMOKE DISPERSAL.....POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY(60-65%) UNTIL 2100, THEN PARTLY  
CLOUDY(35-45%). AREAS OF SMOKE. CHANCE OF  
THUNDERSTORMS UNTIL 2400. SLIGHT CHANCE OF RAIN  
SHOWERS AFTER 2400.  
MIN TEMPERATURE.....41-51.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........65-75%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 5-9 MPH.  
RIDGES/UPR SLOPES....WEST WINDS 5-9 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................4 UNTIL 2400, THEN 1.  
CWR.................10 PERCENT UNTIL 2400, THEN 0 PERCENT.  
15K FT MSL WINDS....NORTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......3000-4000 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0400, THEN WEST AROUND 10  
MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 1200, THEN MOSTLY  
CLOUDY UNTIL 1500, THEN PARTLY CLOUDY(50-60%).  
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1200, THEN  
CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....59-69.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........32-42%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 7-13 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
RIDGES/UPR SLOPES....WEST WINDS 9-15 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................3 UNTIL 1200, THEN 4.  
CWR.................10 PERCENT UNTIL 1200, THEN 20 PERCENT.  
15K FT MSL WINDS....WEST 20-30 MPH.  
MIXING HEIGHT.......9500-10500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 10-15 MPH UNTIL 0900, THEN WEST 20-25  
MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 1000. EXCELLENT AFTER 1500.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE LOWER 40S. NORTHWEST WINDS 7-13 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE LOWER 60S. NORTH WINDS 6-12 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE MID 60S.  
WEST WINDS 5-8 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 40S. HIGHS IN THE MID 60S. WEST WINDS 5-9 MPH.  
 

 
 
COZ217-172215-  
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-  
INCLUDING EAST SLOPES PARK AND NORTHERN GORE RANGES, GORE PASS,  
AND RABBIT EARS PASS  
514 AM MDT FRI AUG 17 2018  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(55-60%) UNTIL 1200, THEN MOSTLY  
CLOUDY(60-65%). SLIGHT CHANCE OF THUNDERSTORMS  
AFTER 0900. AREAS OF SMOKE AFTER 1200.  
MAX TEMPERATURE.....69-79.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........21-27%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-6 MPH SHIFTING TO THE  
NORTHWEST 4-8 MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....WEST WINDS 5-9 MPH.  
HAINES INDEX........3 VERY LOW.  
LAL.................3.  
CWR.................0 PERCENT UNTIL 1200, THEN 10 PERCENT.  
15K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......10000-11000 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1400, THEN WEST AROUND 10 MPH  
UNTIL 1600, THEN LIGHT.  
SMOKE DISPERSAL.....POOR UNTIL 1200, THEN GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY(40-50%). AREAS OF SMOKE. SLIGHT  
CHANCE OF THUNDERSTORMS UNTIL 2100. SLIGHT  
CHANCE OF RAIN SHOWERS AFTER 0300 UNTIL 0500,  
THEN CHANCE OF RAIN SHOWERS.  
MIN TEMPERATURE.....44-50.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........61-71%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...SOUTH WINDS 4-8 MPH.  
RIDGES/UPR SLOPES....SOUTHWEST WINDS 6-12 MPH.  
HAINES INDEX........4 LOW.  
LAL.................3 UNTIL 2400, THEN 1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......3000-4000 FT AGL.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 0100, THEN SOUTHWEST 10-15  
MPH.  
SMOKE DISPERSAL.....POOR.  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1500, THEN PARTLY  
CLOUDY(50-60%). CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....63-73.  
24 HR TREND......4-7 DEGREES COOLER.  
MIN HUMIDITY........28-36%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 7-13 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
RIDGES/UPR SLOPES....WEST WINDS 8-14 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
HAINES INDEX........3 VERY LOW.  
LAL.................4.  
CWR.................10 PERCENT UNTIL 1200, THEN 20 PERCENT.  
15K FT MSL WINDS....WEST 15-25 MPH.  
MIXING HEIGHT.......4500-5500 FT AGL UNTIL 1200, THEN 11000-12000  
FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100. EXCELLENT AFTER 1400.  
   
SATURDAY NIGHT
 
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 40S. NORTHWEST WINDS 5-9 MPH.    
SUNDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN  
THE LOWER 60S. NORTH WINDS 6-12 MPH.    
MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER  
70S. SOUTHWEST WINDS 5-8 MPH.    
TUESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 40S. HIGHS IN THE LOWER 70S. WEST WINDS 5-8 MPH.  
 

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

 
 
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