042  
FNUS55 KBOU 250928  
FWFBOU  
 
FIRE WEATHER FORECAST FOR NORTHEAST AND NORTH CENTRAL COLORADO  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
328 AM MDT THU APR 25 2024  
 
...RED FLAG WARNING NOON TO 8 PM MDT THIS EVENING FOR EASTERN  
ELBERT AND LINCOLN FIRE WEATHER ZONES 246 AND 247...  
   
DISCUSSION...TODAY AND TONIGHT
 
GUSTY SOUTHERLY WINDS TO 30 MPH  
COUPLED WITH LOW RELATIVE HUMIDITIES TO AROUND 10 PERCENT ARE  
EXPECTED TO DEVELOP THIS AFTERNOON OVER FIRE WEATHER ZONES 246 AND  
247. THIS COUPLED WITH THE CONCERN FOR DRIER FUELS IN THIS AREA  
PROMPTED THE ISSUANCE OF THE WARNING. ELSEWHERE, SHOWERS AND  
THUNDERSTORMS WILL DEVELOP NORTH OF THE PALMER DIVIDE.  
 
LONG TERM DISCUSSION...FRIDAY THROUGH MONDAY...AS THE NEXT  
SYSTEM ENTERS NORTHEASTERN COLORADO, SCATTERED TO NUMEROUS  
SHOWERS ALONG WITH A FEW EMBEDDED THUNDERSTORMS CAN BE  
EXPECTED, WITH HEAVY SNOW POSSIBLE IN THE HIGHER MOUNTAINS.  
THE COOL AND WET WEATHER WILL LOWER ANY FIRE WEATHER CONCERNS.  
DRIER AND WARMER WEATHER WILL RETURN BY EARLY NEXT WEEK.  
 
...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...  
 
COZ238-252300-  
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-  
INCLUDING FORT COLLINS, HEREFORD, LOVELAND, NUNN,  
AND WEST PAWNEE GRASSLANDS  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY  
CLOUDY(35-45%) UNTIL 1500, THEN MOSTLY  
CLOUDY(60-65%). AREAS OF FOG UNTIL 1000. SLIGHT  
CHANCE OF THUNDERSTORMS AFTER 1300 UNTIL 1700.  
CHANCE OF RAIN SHOWERS AFTER 1600 UNTIL 1700,  
THEN CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....71-77.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........21-25%.  
24 HR TREND......2-4% DRIER.  
20-FOOT WINDS.......SOUTH WINDS 5-13 MPH. GUSTS UP TO 20 MPH IN THE  
AFTERNOON.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....SOUTH 15-20 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 12000-13000 FT  
AGL AFTER 1100.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1000, THEN SOUTHWEST 10-15  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200. VERY GOOD AFTER 1400.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL  
2400. RAIN SHOWERS LIKELY. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 2400.  
MIN TEMPERATURE.....44-48.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........66-76%.  
24 HR TREND......15-20% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 13-23 MPH WITH GUSTS TO AROUND  
35 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................4 UNTIL 2400, THEN 3.  
CWR.................30 PERCENT DECREASING TO 10 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....WEST 15-25 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 2100, THEN 20-25 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2000, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. SLIGHT  
CHANCE OF THUNDERSTORMS AFTER 0900.  
MAX TEMPERATURE.....60-64.  
24 HR TREND......10-15 DEGREES COOLER.  
MIN HUMIDITY........34-40%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 19-29 MPH WITH GUSTS TO  
AROUND 50 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................2 UNTIL 1200, THEN 3.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......8000-9000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 30-35 MPH UNTIL 1500, THEN AROUND 25  
MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 0900, THEN VERY GOOD UNTIL 1100,  
THEN EXCELLENT UNTIL 1700, THEN VERY GOOD.  
   
FRIDAY NIGHT
 
RAIN AND CHANCE OF THUNDERSTORMS. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 6-13 MPH.    
SATURDAY
 
COOLER. RAIN AND SLIGHT CHANCE OF THUNDERSTORMS.  
HIGHS IN THE UPPER 40S. NORTHEAST WINDS 12-18 MPH.    
SUNDAY
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE MID 30S. HIGHS IN THE MID 50S. NORTH WINDS 9-16 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
60S. WEST WINDS 7-14 MPH.  
 

 
 
COZ239-252300-  
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD  
COUNTY-  
INCLUDING ARVADA, BOULDER, GOLDEN, LAKEWOOD, AND LONGMONT  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 1500, THEN MOSTLY  
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER  
1400. CHANCE OF RAIN SHOWERS AFTER 1700.  
MAX TEMPERATURE.....71-77.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........14-24%.  
24 HR TREND......4-7% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 4-8 MPH UNTIL 1200, THEN NORTH  
6-13 MPH WITH GUSTS TO AROUND 20 MPH.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 11000-12000 FT  
AGL AFTER 1100.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100. NORTHWEST AROUND 15 MPH  
AFTER 1600.  
SMOKE DISPERSAL.....POOR UNTIL 1200. VERY GOOD AFTER 1400.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL  
2100, THEN CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS UNTIL 0300.  
MIN TEMPERATURE.....45-49.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........57-67%.  
24 HR TREND......20-25% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 11-19 MPH. GUSTS UP TO 30 MPH  
DECREASING TO 20 MPH AFTER MIDNIGHT.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................4 UNTIL 2400, THEN 2.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 15-25 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0300, THEN BELOW 1000 FT  
AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 0100, THEN AROUND 10  
MPH.  
SMOKE DISPERSAL.....POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
UNTIL 1200, THEN CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1500, THEN  
CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....63-67.  
24 HR TREND......7-10 DEGREES COOLER.  
MIN HUMIDITY........25-31%.  
24 HR TREND......7-10% WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 10-17 MPH WITH GUSTS TO AROUND  
35 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT INCREASING TO 30 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....NORTHWEST 15-25 MPH.  
MIXING HEIGHT.......8000-9000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 1700, THEN NORTHEAST.  
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN GOOD UNTIL 1200, THEN  
VERY GOOD UNTIL 1700, THEN GOOD.  
   
FRIDAY NIGHT
 
RAIN AND CHANCE OF THUNDERSTORMS. LOWS IN THE  
LOWER 40S. WEST WINDS 4-9 MPH.    
SATURDAY
 
COOLER. RAIN AND CHANCE OF THUNDERSTORMS. HIGHS IN  
THE UPPER 40S. NORTH WINDS 9-16 MPH.    
SUNDAY
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. NORTHEAST WINDS  
6-13 MPH.    
MONDAY
 
WARMER. PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN  
THE UPPER 60S. WEST WINDS 6-12 MPH.  
 

 
 
COZ240-252300-  
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  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 1500, THEN MOSTLY  
CLOUDY. PATCHY FOG UNTIL 1000. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 1500. CHANCE OF RAIN  
SHOWERS AFTER 1700.  
MAX TEMPERATURE.....75-79.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........11-17%.  
24 HR TREND......7-10% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 4-13 MPH UNTIL 1200, THEN EAST  
8-15 MPH.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 12500-13500 FT  
AGL AFTER 1100.  
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH UNTIL 1600, THEN NORTH  
UNTIL 1700, THEN NORTHWEST.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD UNTIL 1300, THEN  
EXCELLENT UNTIL 1700, THEN VERY GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL  
2400. RAIN SHOWERS LIKELY. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 2400.  
MIN TEMPERATURE.....45-49.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........62-72%.  
24 HR TREND......20-25% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 11-19 MPH. GUSTS UP TO 35 MPH  
DECREASING TO 25 MPH AFTER MIDNIGHT.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................4 UNTIL 2400, THEN 3.  
CWR.................20 PERCENT.  
15K FT MSL WINDS....WEST 20-30 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0400, THEN BELOW 1000 FT  
AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 0200, THEN AROUND 10  
MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 2000, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
UNTIL 1200, THEN CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....64-68.  
24 HR TREND......10-15 DEGREES COOLER.  
MIN HUMIDITY........24-32%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 10-18 MPH WITH GUSTS TO AROUND  
30 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....NORTHWEST 20-30 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 8000-9000 FT  
AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 1700, THEN NORTHEAST.  
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN GOOD UNTIL 1200, THEN  
VERY GOOD UNTIL 1700, THEN GOOD.  
   
FRIDAY NIGHT
 
RAIN AND CHANCE OF THUNDERSTORMS. LOWS IN THE  
LOWER 40S. WEST WINDS 6-13 MPH.    
SATURDAY
 
COOLER. RAIN AND CHANCE OF THUNDERSTORMS. HIGHS  
AROUND 50. NORTH WINDS 12-18 MPH.    
SUNDAY
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. NORTH WINDS  
6-13 MPH.    
MONDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN  
THE UPPER 60S. SOUTH WINDS 6-12 MPH.  
 

 
 
COZ241-252300-  
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-  
INCLUDING CASTLE ROCK, ELBERT, FONDIS, KIOWA, AND LARKSPUR  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 0900, THEN MOSTLY  
SUNNY UNTIL 1200, THEN PARTLY CLOUDY UNTIL  
1500, THEN MOSTLY CLOUDY(50-60%). SLIGHT CHANCE  
OF THUNDERSTORMS AFTER 1500. CHANCE OF RAIN  
SHOWERS AFTER 1700.  
MAX TEMPERATURE.....71-77.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........10-14%.  
24 HR TREND......10-15% DRIER.  
20-FOOT WINDS.......SOUTH WINDS 9-17 MPH. GUSTS UP TO 20 MPH  
INCREASING TO 30 MPH IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1 UNTIL 1200, THEN 2.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 14000-15000 FT  
AGL AFTER 1100.  
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH UNTIL 1100, THEN SOUTH  
AROUND 20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1300.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL  
2400. RAIN SHOWERS LIKELY. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 2400.  
MIN TEMPERATURE.....40-44.  
24 HR TREND......2-4 DEGREES COOLER.  
MAX HUMIDITY........67-77%.  
24 HR TREND......10-15% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 10-18 MPH WITH GUSTS TO AROUND  
35 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................4 UNTIL 2400, THEN 3.  
CWR.................20 PERCENT INCREASING TO 30 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....WEST 20-30 MPH.  
MIXING HEIGHT.......11000 FT AGL UNTIL 1900, THEN 1500-2500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1900, THEN  
NORTHWEST.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 1900, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY(60-65%). SLIGHT CHANCE OF RAIN  
SHOWERS UNTIL 1200, THEN CHANCE OF RAIN SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....62-66.  
24 HR TREND......10-15 DEGREES COOLER.  
MIN HUMIDITY........26-32%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 10-20 MPH WITH GUSTS TO AROUND  
35 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT INCREASING TO 30 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....NORTHWEST 20-30 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 7000-8000 FT  
AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 0800, THEN 25-30 MPH  
UNTIL 1200, THEN 15-20 MPH UNTIL 1700, THEN  
NORTHEAST.  
SMOKE DISPERSAL.....POOR UNTIL 0800, THEN GOOD UNTIL 1000, THEN  
VERY GOOD UNTIL 1500, THEN GOOD.  
   
FRIDAY NIGHT
 
RAIN AND CHANCE OF THUNDERSTORMS. LOWS IN THE  
UPPER 30S. NORTHWEST WINDS 5-12 MPH.    
SATURDAY
 
COOLER. RAIN AND CHANCE OF THUNDERSTORMS. HIGHS IN  
THE UPPER 40S. NORTHEAST WINDS 9-16 MPH.    
SUNDAY
 
RAIN LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 30S. HIGHS IN THE LOWER 50S. NORTH WINDS 9-16 MPH.    
MONDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE  
MID 60S. SOUTHWEST WINDS 8-13 MPH.  
 

 
 
COZ243-252300-  
CENTRAL AND SOUTH WELD COUNTY-  
INCLUDING EATON, FORT LUPTON, GREELEY, AND ROGGEN  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY  
CLOUDY(30-40%) UNTIL 1500, THEN MOSTLY  
CLOUDY(60-65%). PATCHY FOG UNTIL 1000. SLIGHT  
CHANCE OF THUNDERSTORMS AFTER 1400. CHANCE OF  
RAIN SHOWERS AFTER 1700.  
MAX TEMPERATURE.....75-79.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........20-26%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......WEST WINDS 4-9 MPH UNTIL 1200, THEN EAST 8-15  
MPH.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....SOUTH 15-25 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 11000-12000 FT  
AGL AFTER 1200.  
TRANSPORT WINDS.....LIGHT WINDS UNTIL 1100. SOUTHWEST 10-15 MPH  
AFTER 1200.  
SMOKE DISPERSAL.....POOR UNTIL 1300. VERY GOOD AFTER 1500.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL  
2400. RAIN SHOWERS LIKELY. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 2400.  
MIN TEMPERATURE.....44-48.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........74-84%.  
24 HR TREND......15-20% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 12-21 MPH WITH GUSTS TO AROUND  
35 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................4 UNTIL 2400, THEN 3.  
CWR.................30 PERCENT DECREASING TO 20 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....WEST 20-30 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 2000, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
UNTIL 0900, THEN SLIGHT CHANCE OF  
THUNDERSTORMS. CHANCE OF RAIN SHOWERS AFTER  
1200.  
MAX TEMPERATURE.....63-67.  
24 HR TREND......10-15 DEGREES COOLER.  
MIN HUMIDITY........32-38%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 15-25 MPH WITH GUSTS TO  
AROUND 50 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................2 UNTIL 1200, THEN 3.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......8000-9000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH UNTIL 0800, THEN 25-30 MPH  
UNTIL 1600, THEN NORTH AROUND 20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN GOOD UNTIL 1100, THEN  
EXCELLENT UNTIL 1700, THEN VERY GOOD.  
   
FRIDAY NIGHT
 
RAIN AND CHANCE OF THUNDERSTORMS. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 7-14 MPH.    
SATURDAY
 
COOLER. RAIN AND CHANCE OF THUNDERSTORMS. HIGHS IN  
THE LOWER 50S. NORTHEAST WINDS 13-20 MPH.    
SUNDAY
 
MOSTLY CLOUDY. RAIN LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S.  
NORTH WINDS 8-15 MPH.    
MONDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS AROUND  
70. SOUTHWEST WINDS 6-12 MPH.  
 

 
 
COZ242-252300-  
NORTHEAST WELD COUNTY-  
INCLUDING BRIGGSDALE, EAST PAWNEE GRASSLANDS, GROVER,  
PAWNEE BUTTES, RAYMER, AND STONEHAM  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 1200, THEN PARTLY  
CLOUDY UNTIL 1500, THEN MOSTLY CLOUDY(60-65%).  
PATCHY FOG UNTIL 1000. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 1400 UNTIL 1600, THEN  
CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....73-77.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........24-34%.  
24 HR TREND......2-4% DRIER.  
20-FOOT WINDS.......SOUTHEAST WINDS 6-14 MPH. GUSTS UP TO 25 MPH IN  
THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 11000-12000 FT  
AGL AFTER 1300.  
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH UNTIL 0900, THEN SOUTH.  
SMOKE DISPERSAL.....POOR UNTIL 1300, THEN GOOD UNTIL 1400, THEN  
VERY GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. THUNDERSTORMS LIKELY UNTIL 2400. RAIN  
SHOWERS. CHANCE OF THUNDERSTORMS AFTER 2400.  
MIN TEMPERATURE.....43-47.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........87-97%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......NORTH WINDS 12-20 MPH WITH GUSTS TO AROUND 35  
MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................5 UNTIL 2400, THEN 4.  
CWR.................60 PERCENT DECREASING TO 40 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....WEST 20-30 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 15 MPH UNTIL 2000, THEN NORTH UNTIL  
0400, THEN NORTHWEST AROUND 25 MPH.  
SMOKE DISPERSAL.....POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY UNTIL 1200.  
SLIGHT CHANCE OF THUNDERSTORMS. CHANCE OF RAIN  
SHOWERS AFTER 1200.  
MAX TEMPERATURE.....60-66.  
24 HR TREND......10-15 DEGREES COOLER.  
MIN HUMIDITY........35-43%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......WINDY. NORTHWEST WINDS 23-33 MPH WITH GUSTS TO  
AROUND 55 MPH.  
HAINES INDEX........2 OR VERY LOW.  
LAL.................3.  
CWR.................20 PERCENT DECREASING TO 0 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....NORTHWEST 30-40 MPH.  
MIXING HEIGHT.......6000-7000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 35-40 MPH UNTIL 1500, THEN AROUND 30  
MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 0900. VERY GOOD AFTER 1200.  
   
FRIDAY NIGHT
 
MOSTLY CLOUDY. RAIN LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 40S. NORTH WINDS 7-14 MPH.    
SATURDAY
 
COOLER. RAIN AND SLIGHT CHANCE OF THUNDERSTORMS.  
HIGHS IN THE LOWER 50S. NORTHEAST WINDS 13-23 MPH.    
SUNDAY
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE MID 50S. NORTH  
WINDS 12-18 MPH.    
MONDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE  
UPPER 60S. WEST WINDS 7-14 MPH.  
 

 
 
COZ244-252300-  
MORGAN COUNTY-  
INCLUDING BRUSH, FORT MORGAN, GOODRICH, AND WIGGINS  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 1200, THEN PARTLY  
CLOUDY(30-35%) UNTIL 1500, THEN MOSTLY CLOUDY.  
PATCHY FOG UNTIL 1000. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER 1400 UNTIL 1600, THEN  
CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....75-79.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........24-34%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 6-12 MPH UNTIL 1200, THEN EAST 9-16  
MPH WITH GUSTS TO AROUND 25 MPH.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....SOUTH 15-25 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 12000-13000 FT  
AGL AFTER 1300.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH UNTIL 0800, THEN SOUTHWEST  
UNTIL 1000, THEN LIGHT UNTIL 1100, THEN SOUTH  
10-15 MPH UNTIL 1700, THEN SOUTHEAST.  
SMOKE DISPERSAL.....POOR UNTIL 1300. VERY GOOD AFTER 1400.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS AND CHANCE OF  
THUNDERSTORMS.  
MIN TEMPERATURE.....44-48.  
24 HR TREND......2-4 DEGREES COOLER.  
MAX HUMIDITY........92-98%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......NORTH WINDS 14-20 MPH UNTIL 2400, THEN  
NORTHWEST 12-18 MPH. GUSTS UP TO 30 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................4.  
CWR.................50 PERCENT INCREASING TO 60 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....WEST 20-30 MPH.  
MIXING HEIGHT.......7000 FT AGL UNTIL 1900, THEN 1000-2000 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 15-20 MPH UNTIL 2100, THEN NORTHWEST.  
SMOKE DISPERSAL.....GOOD UNTIL 1900, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....63-67.  
24 HR TREND......10-15 DEGREES COOLER.  
MIN HUMIDITY........37-41%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 19-29 MPH WITH GUSTS TO  
AROUND 50 MPH.  
HAINES INDEX........2 OR VERY LOW.  
LAL.................3.  
CWR.................20 PERCENT DECREASING TO 0 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....NORTHWEST 30-40 MPH.  
MIXING HEIGHT.......6500-7500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 25-30 MPH UNTIL 0900. NORTH AFTER  
1600.  
SMOKE DISPERSAL.....FAIR UNTIL 0900, THEN VERY GOOD UNTIL 1100,  
THEN EXCELLENT UNTIL 1700, THEN VERY GOOD.  
   
FRIDAY NIGHT
 
RAIN LIKELY AND CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 40S. NORTHWEST WINDS 6-13 MPH.    
SATURDAY
 
COOLER. RAIN AND CHANCE OF THUNDERSTORMS. HIGHS IN  
THE MID 50S. NORTHEAST WINDS 13-20 MPH.    
SUNDAY
 
MOSTLY CLOUDY. RAIN AND SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S. NORTH WINDS  
10-17 MPH.    
MONDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 70S. SOUTHWEST WINDS 7-13 MPH.  
 

 
 
COZ245-252300-  
CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES-  
INCLUDING BENNETT, BYERS, DEER TRAIL, AND LEADER  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1500, THEN MOSTLY  
CLOUDY(50-60%). PATCHY FOG UNTIL 1000. SLIGHT  
CHANCE OF THUNDERSTORMS AFTER 1500. CHANCE OF  
RAIN SHOWERS AFTER 1700.  
MAX TEMPERATURE.....78-82.  
24 HR TREND......2-4 DEGREES WARMER.  
MIN HUMIDITY........11-17%.  
24 HR TREND......10-15% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 6-13 MPH WITH GUSTS TO AROUND  
20 MPH UNTIL 1200, THEN SOUTHEAST 10-17 MPH  
WITH GUSTS TO AROUND 30 MPH.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 14000-15000 FT  
AGL AFTER 1200.  
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH UNTIL 1500, THEN SOUTH  
AROUND 20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100. EXCELLENT AFTER 1300.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL  
0300. RAIN SHOWERS LIKELY AFTER 2100. SLIGHT  
CHANCE OF THUNDERSTORMS AFTER 0300.  
MIN TEMPERATURE.....43-47.  
24 HR TREND......2-4 DEGREES COOLER.  
MAX HUMIDITY........79-89%.  
24 HR TREND......2-4% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 13-20 MPH WITH GUSTS TO AROUND  
35 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................4.  
CWR.................30 PERCENT INCREASING TO 50 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....WEST 20-30 MPH.  
MIXING HEIGHT.......10500 FT AGL UNTIL 1900, THEN 1500-2500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH UNTIL 1900, THEN  
NORTHWEST.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 1900, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS. SLIGHT  
CHANCE OF THUNDERSTORMS AFTER 0900.  
MAX TEMPERATURE.....63-67.  
24 HR TREND......10-15 DEGREES COOLER.  
MIN HUMIDITY........33-37%.  
24 HR TREND......20-25% WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 14-24 MPH WITH GUSTS TO AROUND  
40 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................2 UNTIL 1200, THEN 3.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......7000-8000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 20-25 MPH UNTIL 0900. NORTH AFTER  
1500.  
SMOKE DISPERSAL.....POOR UNTIL 0800, THEN GOOD UNTIL 1000, THEN  
VERY GOOD UNTIL 1200, THEN EXCELLENT UNTIL  
1600, THEN VERY GOOD.  
   
FRIDAY NIGHT
 
RAIN AND CHANCE OF THUNDERSTORMS. LOWS AROUND 40.  
NORTHWEST WINDS 6-13 MPH.    
SATURDAY
 
COOLER. RAIN AND CHANCE OF THUNDERSTORMS. HIGHS IN  
THE LOWER 50S. NORTHEAST WINDS 10-17 MPH.    
SUNDAY
 
MOSTLY CLOUDY. RAIN AND SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE MID 30S. HIGHS IN THE MID 50S. NORTH WINDS 10-17 MPH.   
MONDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE  
UPPER 60S. SOUTHWEST WINDS 8-12 MPH.  
 

 
 
COZ248-252300-  
LOGAN COUNTY-  
INCLUDING CROOK, MERINO, STERLING, AND PEETZ  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY(60-65%). PATCHY FOG UNTIL 1000.  
SLIGHT CHANCE OF THUNDERSTORMS AFTER 1400 UNTIL  
1500, THEN CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....68-76.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........40-50%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......SOUTHEAST WINDS 10-18 MPH. GUSTS UP TO 20 MPH  
INCREASING TO 30 MPH IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700. 7500-8500 FT AGL  
AFTER 1400.  
TRANSPORT WINDS.....SOUTHEAST 10-15 MPH UNTIL 1600, THEN AROUND 20  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN VERY GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. THUNDERSTORMS LIKELY UNTIL 2400.  
RAIN SHOWERS. CHANCE OF THUNDERSTORMS AFTER  
2400.  
MIN TEMPERATURE.....44-48.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........98-100%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......NORTHEAST WINDS 10-17 MPH UNTIL 2400, THEN  
NORTHWEST 9-16 MPH. GUSTS UP TO 30 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................5 UNTIL 2400, THEN 4.  
CWR.................60 PERCENT INCREASING TO 80 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....EAST 15-20 MPH UNTIL 2300, THEN NORTH.  
SMOKE DISPERSAL.....POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS UNTIL 1200. SLIGHT  
CHANCE OF THUNDERSTORMS. CHANCE OF RAIN SHOWERS  
AFTER 1200.  
MAX TEMPERATURE.....60-64.  
24 HR TREND......10-15 DEGREES COOLER.  
MIN HUMIDITY........43-53%.  
24 HR TREND......4-7% WETTER.  
20-FOOT WINDS.......WINDY. NORTHWEST WINDS 21-31 MPH WITH GUSTS TO  
AROUND 50 MPH.  
HAINES INDEX........2 OR VERY LOW.  
LAL.................3.  
CWR.................70 PERCENT DECREASING TO 10 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......4500-5500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 25-30 MPH UNTIL 0900, THEN 30-35 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900. VERY GOOD AFTER 1200.  
   
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE LOWER 40S. NORTHWEST WINDS  
6-13 MPH.    
SATURDAY
 
RAIN AND CHANCE OF THUNDERSTORMS. HIGHS IN THE MID  
50S. NORTHEAST WINDS 12-18 MPH.    
SUNDAY
 
MOSTLY CLOUDY. RAIN AND SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE MID 30S. HIGHS IN THE MID 50S. NORTH WINDS 13-20 MPH.   
MONDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 70S. WEST WINDS 8-14 MPH.  
 

 
 
COZ249-250-252300-  
WASHINGTON COUNTY-SEDGWICK COUNTY-  
INCLUDING AKRON, COPE, LAST CHANCE, OTIS, JULESBURG, OVID,  
AND SEDGWICK  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY(50-60%). PATCHY FOG UNTIL 1000.  
SLIGHT CHANCE OF THUNDERSTORMS AFTER 1400 UNTIL  
1600, THEN CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....71-81.  
24 HR TREND......7-10 DEGREES WARMER.  
MIN HUMIDITY........26-36%.  
24 HR TREND......15-20% DRIER.  
20-FOOT WINDS.......SOUTHEAST WINDS 10-18 MPH. GUSTS UP TO 20 MPH  
INCREASING TO 30 MPH IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 1100. 14000-15000 FT AGL  
AFTER 1300.  
TRANSPORT WINDS.....SOUTH 10-15 MPH UNTIL 1400, THEN 20-25 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1200. EXCELLENT AFTER 1400.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL  
0300. RAIN SHOWERS LIKELY AFTER 2200 UNTIL  
0300, THEN RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS.  
MIN TEMPERATURE.....43-47.  
24 HR TREND......2-4 DEGREES COOLER.  
MAX HUMIDITY........91-100%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......NORTHEAST WINDS 12-18 MPH UNTIL 2400, THEN  
NORTHWEST 13-20 MPH. GUSTS UP TO 30 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................4.  
CWR.................40 PERCENT INCREASING TO 70 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......9000 FT AGL UNTIL 1900, THEN 1000-1500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 20 MPH UNTIL 2200, THEN  
NORTHWEST.  
SMOKE DISPERSAL.....VERY GOOD UNTIL 1900, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY UNTIL 1200.  
SLIGHT CHANCE OF THUNDERSTORMS. CHANCE OF RAIN  
SHOWERS AFTER 1200.  
MAX TEMPERATURE.....61-67.  
24 HR TREND......15-20 DEGREES COOLER.  
MIN HUMIDITY........39-49%.  
24 HR TREND......20-25% WETTER.  
20-FOOT WINDS.......WINDY. NORTHWEST WINDS 20-30 MPH WITH GUSTS TO  
AROUND 55 MPH.  
HAINES INDEX........2 OR VERY LOW.  
LAL.................3.  
CWR.................50 PERCENT DECREASING TO 10 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......6000-7000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 25-30 MPH UNTIL 0900. NORTH AFTER  
1700.  
SMOKE DISPERSAL.....FAIR UNTIL 0900, THEN VERY GOOD UNTIL 1200,  
THEN EXCELLENT UNTIL 1700, THEN VERY GOOD.  
   
FRIDAY NIGHT
 
MOSTLY CLOUDY. RAIN LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 40S. NORTHWEST WINDS 7-14 MPH.    
SATURDAY
 
RAIN AND CHANCE OF THUNDERSTORMS. HIGHS IN THE MID  
50S. NORTHEAST WINDS 12-18 MPH.    
SUNDAY
 
MOSTLY CLOUDY. RAIN AND CHANCE OF THUNDERSTORMS. LOWS  
IN THE MID 30S. HIGHS IN THE MID 50S. NORTH WINDS 13-23 MPH.    
MONDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS AROUND  
70. SOUTHWEST WINDS 8-14 MPH.  
 

 
 
COZ251-252300-  
PHILLIPS COUNTY-  
INCLUDING AMHERST, HAXTUN, AND HOLYOKE  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
AFTER 1400 UNTIL 1500, THEN SLIGHT CHANCE OF  
THUNDERSTORMS UNTIL 1600, THEN CHANCE OF  
THUNDERSTORMS.  
MAX TEMPERATURE.....66-70.  
24 HR TREND......4-7 DEGREES COOLER.  
MIN HUMIDITY........51-59%.  
24 HR TREND......25-35% WETTER.  
20-FOOT WINDS.......SOUTHEAST WINDS 12-20 MPH. GUSTS UP TO 30 MPH  
IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 15-20 MPH UNTIL 1700, THEN EAST  
AROUND 25 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1400, THEN GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. THUNDERSTORMS LIKELY. RAIN SHOWERS  
AFTER 2400.  
MIN TEMPERATURE.....45-49.  
24 HR TREND......LITTLE CHANGE.  
MAX HUMIDITY........100%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......EAST WINDS 13-20 MPH UNTIL 2400, THEN NORTH  
9-15 MPH. GUSTS UP TO 30 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................5.  
CWR.................60 PERCENT INCREASING TO 70 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....EAST 20-25 MPH UNTIL 2300, THEN NORTHEAST  
AROUND 15 MPH UNTIL 0100, THEN NORTH.  
SMOKE DISPERSAL.....POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS AND CHANCE OF  
THUNDERSTORMS UNTIL 1200, THEN CHANCE OF RAIN  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....61-65.  
24 HR TREND......2-4 DEGREES COOLER.  
MIN HUMIDITY........50-54%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......WINDY. NORTHWEST WINDS 18-28 MPH WITH GUSTS TO  
AROUND 45 MPH.  
HAINES INDEX........2 OR VERY LOW.  
LAL.................4 UNTIL 1200, THEN 3.  
CWR.................80 PERCENT DECREASING TO 10 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....NORTHWEST 20-30 MPH.  
MIXING HEIGHT.......3500-4500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 20-25 MPH UNTIL 0800, THEN 30-35 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 1000, THEN GOOD.  
   
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE LOWER 40S. NORTHWEST WINDS  
8-13 MPH.    
SATURDAY
 
RAIN AND CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER  
50S. NORTHEAST WINDS 10-17 MPH.    
SUNDAY
 
MOSTLY CLOUDY. RAIN AND CHANCE OF THUNDERSTORMS. LOWS  
IN THE UPPER 30S. HIGHS IN THE LOWER 50S. NORTH WINDS 13-23 MPH.    
MONDAY
 
WARMER. MOSTLY CLEAR. SLIGHT CHANCE OF RAIN SHOWERS.  
LOWS IN THE MID 30S. HIGHS IN THE LOWER 70S. WEST WINDS 8-14 MPH.  
 

 
 
COZ246-252300-  
NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN  
COUNTY-  
INCLUDING AGATE, HUGO, LIMON, AND MATHESON  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY  
CLOUDY UNTIL 1200, THEN MOSTLY SUNNY UNTIL  
1500, THEN PARTLY CLOUDY(40-50%). PATCHY FOG  
UNTIL 1000. SLIGHT CHANCE OF THUNDERSTORMS  
AFTER 1500.  
MAX TEMPERATURE.....76-82.  
24 HR TREND......4-7 DEGREES WARMER.  
MIN HUMIDITY........8-12%.  
24 HR TREND......10-15% DRIER.  
20-FOOT WINDS.......SOUTH WINDS 11-19 MPH. GUSTS UP TO 20 MPH  
INCREASING TO 35 MPH IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1 UNTIL 1200, THEN 2.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 14000-15000 FT  
AGL AFTER 1000.  
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH UNTIL 1200, THEN SOUTH  
20-25 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1400.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.  
CHANCE OF RAIN SHOWERS AFTER 0100 UNTIL 0300,  
THEN RAIN SHOWERS LIKELY.  
MIN TEMPERATURE.....41-45.  
24 HR TREND......4-7 DEGREES COOLER.  
MAX HUMIDITY........79-89%.  
24 HR TREND......2-4% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 14-24 MPH WITH GUSTS TO AROUND  
35 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................3.  
CWR.................10 PERCENT INCREASING TO 40 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....WEST 20-30 MPH.  
MIXING HEIGHT.......10500 FT AGL UNTIL 1900, THEN 1500-2500 FT AGL.  
TRANSPORT WINDS.....SOUTH 15-20 MPH UNTIL 2000. NORTHWEST 20-25 MPH  
AFTER 2200.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....64-68.  
24 HR TREND......10-15 DEGREES COOLER.  
MIN HUMIDITY........29-35%.  
24 HR TREND......20-25% WETTER.  
20-FOOT WINDS.......BREEZY. NORTHWEST WINDS 15-25 MPH WITH GUSTS TO  
AROUND 45 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................3.  
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......7000-8000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 20-25 MPH UNTIL 0800, THEN 30-35 MPH  
UNTIL 1400, THEN 20-25 MPH UNTIL 1700, THEN  
NORTH AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0800, THEN GOOD UNTIL 0900, THEN  
EXCELLENT UNTIL 1600, THEN GOOD.  
   
FRIDAY NIGHT
 
RAIN LIKELY AND CHANCE OF THUNDERSTORMS. LOWS IN  
THE UPPER 30S. NORTH WINDS 6-13 MPH.    
SATURDAY
 
COOLER. RAIN AND CHANCE OF THUNDERSTORMS. HIGHS IN  
THE LOWER 50S. NORTHEAST WINDS 10-17 MPH.    
SUNDAY
 
MOSTLY CLOUDY. RAIN AND SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE LOWER 30S. HIGHS IN THE MID 50S. NORTH WINDS  
13-23 MPH.    
MONDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE  
UPPER 60S. SOUTHWEST WINDS 8-13 MPH.  
 

 
 
COZ247-252300-  
SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-  
INCLUDING FORDER, KARVAL, KUTCH, AND PUNKIN CENTER  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(50-60%) UNTIL 0900, THEN MOSTLY  
SUNNY UNTIL 1500, THEN PARTLY CLOUDY(40-50%).  
PATCHY FOG UNTIL 1000.  
MAX TEMPERATURE.....77-81.  
24 HR TREND......4-7 DEGREES WARMER.  
MIN HUMIDITY........8-12%.  
24 HR TREND......20-25% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 6-12 MPH WITH GUSTS TO AROUND  
20 MPH UNTIL 1200, THEN SOUTH 13-22 MPH WITH  
GUSTS TO AROUND 35 MPH.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 14000-15000 FT  
AGL AFTER 1100.  
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH UNTIL 1200, THEN SOUTH  
20-25 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100. EXCELLENT AFTER 1500.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
UNTIL 0300. CHANCE OF RAIN SHOWERS AFTER 0100.  
MIN TEMPERATURE.....41-45.  
24 HR TREND......7-10 DEGREES COOLER.  
MAX HUMIDITY........73-83%.  
24 HR TREND......10-15% DRIER.  
20-FOOT WINDS.......WEST WINDS 13-23 MPH WITH GUSTS TO AROUND 40  
MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................3.  
CWR.................10 PERCENT INCREASING TO 20 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....WEST 25-35 MPH.  
MIXING HEIGHT.......11000 FT AGL UNTIL 1900, THEN 1500-2500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH UNTIL 2100, THEN  
NORTHWEST UNTIL 2400, THEN 25-30 MPH.  
SMOKE DISPERSAL.....EXCELLENT UNTIL 1900, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY(55-60%). SLIGHT CHANCE OF RAIN  
SHOWERS UNTIL 1200, THEN CHANCE OF RAIN  
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS AFTER  
1500.  
MAX TEMPERATURE.....67-73.  
24 HR TREND......7-10 DEGREES COOLER.  
MIN HUMIDITY........19-27%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 13-23 MPH WITH GUSTS TO AROUND  
35 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....WEST 25-35 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700, THEN 8000-9000 FT  
AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH UNTIL 0800, THEN NORTHWEST 25-30  
MPH UNTIL 1300, THEN 15-20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0800, THEN GOOD UNTIL 0900, THEN  
EXCELLENT UNTIL 1500, THEN GOOD.  
   
FRIDAY NIGHT
 
RAIN LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE UPPER 30S. NORTH WINDS 7-14 MPH.    
SATURDAY
 
COOLER. RAIN AND CHANCE OF THUNDERSTORMS. HIGHS IN  
THE UPPER 50S. NORTHEAST WINDS 10-17 MPH.    
SUNDAY
 
BREEZY. MOSTLY CLOUDY. RAIN LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S. NORTH  
WINDS 15-25 MPH.    
MONDAY
 
WARMER. MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS AROUND  
70. SOUTHWEST WINDS 7-13 MPH.  
 

 
 
COZ215-252300-  
LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-  
INCLUDING ESTES PARK, GLENDEVEY, LARAMIE RIVER VALLEY, NEDERLAND,  
AND RED FEATHER LAKES  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(35-45%) UNTIL 1500, THEN MOSTLY  
CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AFTER  
1200. CHANCE OF RAIN SHOWERS AFTER 1400.  
MAX TEMPERATURE.....58-68.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........22-28%.  
24 HR TREND......7-10% DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 4-12 MPH. GUSTS UP TO 20  
MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....SOUTHWEST WINDS 4-12 MPH. GUSTS UP TO 20  
MPH IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 9000-10000 FT AGL  
AFTER 1100.  
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL  
2400. RAIN SHOWERS AND SNOW SHOWERS LIKELY.  
SLIGHT CHANCE OF THUNDERSTORMS AFTER 2400.  
MIN TEMPERATURE.....35-45.  
24 HR TREND......2-4 DEGREES WARMER.  
MAX HUMIDITY........64-74%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 12-22 MPH WITH GUSTS TO AROUND  
35 MPH.  
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 13-23 MPH WITH GUSTS TO  
AROUND 35 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................4 UNTIL 2400, THEN 2.  
CWR.................30 PERCENT DECREASING TO 10 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....NORTHWEST 15-25 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL UNTIL 0300, THEN BELOW 1000 FT  
AGL UNTIL 0400, THEN 1000 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH UNTIL 0400, THEN AROUND 25 MPH.  
SMOKE DISPERSAL.....POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW SHOWERS  
UNTIL 1200, THEN RAIN SHOWERS LIKELY AND CHANCE  
OF THUNDERSTORMS.  
MAX TEMPERATURE.....50-60.  
24 HR TREND......4-7 DEGREES COOLER.  
MIN HUMIDITY........35-45%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...BREEZY. NORTHWEST WINDS 15-25 MPH WITH  
GUSTS TO AROUND 45 MPH.  
RIDGES/UPR SLOPES....BREEZY. NORTHWEST WINDS 15-25 MPH WITH  
GUSTS TO AROUND 45 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....NORTHWEST 20-30 MPH.  
MIXING HEIGHT.......7500-8500 FT AGL.  
TRANSPORT WINDS.....WEST 30-35 MPH UNTIL 1300. NORTHWEST AROUND 15  
MPH AFTER 1700.  
SMOKE DISPERSAL.....FAIR UNTIL 0900, THEN VERY GOOD UNTIL 1700,  
THEN GOOD.  
   
FRIDAY NIGHT
 
RAIN, SNOW AND CHANCE OF THUNDERSTORMS. LOWS IN  
THE MID 30S. NORTH WINDS 4-8 MPH.    
SATURDAY
 
COLDER. RAIN, SNOW AND CHANCE OF THUNDERSTORMS. HIGHS  
IN THE LOWER 40S. NORTHEAST WINDS 6-13 MPH.    
SUNDAY
 
SNOW LIKELY WITH POSSIBLE RAIN SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S.  
NORTHWEST WINDS 8-15 MPH.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE LOWER 30S. HIGHS IN THE MID 50S. WEST WINDS 10-17 MPH.  
 

 
 
COZ216-252300-  
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  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY  
CLOUDY(35-45%) UNTIL 1500, THEN MOSTLY CLOUDY.  
SLIGHT CHANCE OF THUNDERSTORMS AFTER 1300.  
CHANCE OF RAIN SHOWERS AFTER 1600.  
MAX TEMPERATURE.....61-71.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........11-21%.  
24 HR TREND......7-10% DRIER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 6-14 MPH. GUSTS UP TO 20  
MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....SOUTHWEST WINDS 6-14 MPH WITH GUSTS TO  
AROUND 25 MPH.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 14500-15500 FT  
AGL AFTER 1100.  
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000. EXCELLENT AFTER 1200.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
UNTIL 2400. CHANCE OF RAIN AND SNOW SHOWERS.  
MIN TEMPERATURE.....35-45.  
24 HR TREND......2-4 DEGREES COOLER.  
MAX HUMIDITY........54-64%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST WINDS 9-17 MPH WITH GUSTS TO  
AROUND 30 MPH.  
RIDGES/UPR SLOPES....NORTHWEST WINDS 10-18 MPH WITH GUSTS TO  
AROUND 35 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................3 UNTIL 2400, THEN 1.  
CWR.................10 PERCENT.  
15K FT MSL WINDS....NORTHWEST 20-30 MPH.  
MIXING HEIGHT.......9500 FT AGL UNTIL 1900, THEN 1500-2500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15-20 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 1900, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
AFTER 1200 UNTIL 1500. RAIN SHOWERS LIKELY  
AFTER 1200. CHANCE OF THUNDERSTORMS AFTER 1500.  
MAX TEMPERATURE.....53-63.  
24 HR TREND......4-7 DEGREES COOLER.  
MIN HUMIDITY........23-33%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...NORTHWEST WINDS 11-21 MPH WITH GUSTS TO  
AROUND 35 MPH.  
RIDGES/UPR SLOPES....NORTHWEST WINDS 11-21 MPH WITH GUSTS TO  
AROUND 40 MPH.  
HAINES INDEX........4 OR LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................0 PERCENT INCREASING TO 40 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....NORTHWEST 20-30 MPH.  
MIXING HEIGHT.......7000-8000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 20-25 MPH UNTIL 1400, THEN AROUND 15  
MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 0900, THEN VERY GOOD UNTIL 1600,  
THEN GOOD.  
   
FRIDAY NIGHT
 
RAIN, CHANCE OF THUNDERSTORMS AND SNOW. LOWS IN  
THE MID 30S. NORTHWEST WINDS 4-8 MPH.    
SATURDAY
 
COLDER. RAIN, SNOW AND CHANCE OF THUNDERSTORMS. HIGHS  
IN THE LOWER 40S. NORTH WINDS 7-14 MPH.    
SUNDAY
 
CHANCE OF RAIN SHOWERS WITH POSSIBLE SNOW AND  
THUNDERSTORMS LIKELY. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER  
40S. NORTH WINDS 6-13 MPH.    
MONDAY
 
WARMER. PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS.  
LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 50S. WEST WINDS  
7-14 MPH.  
 

 
 
COZ211-252300-  
JACKSON COUNTY BELOW 9000 FEET-  
INCLUDING GOULD, NORTH PARK, RAND, SPICER, AND WALDEN  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 0900, THEN PARTLY CLOUDY  
UNTIL 1200, THEN MOSTLY CLOUDY(60-65%). SLIGHT  
CHANCE OF THUNDERSTORMS AFTER 1200. CHANCE OF  
RAIN SHOWERS AFTER 1400 UNTIL 1700, THEN RAIN  
SHOWERS LIKELY.  
MAX TEMPERATURE.....56-60.  
24 HR TREND......2-4 DEGREES COOLER.  
MIN HUMIDITY........25-29%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......SOUTHWEST WINDS 4-9 MPH UNTIL 1200, THEN WEST  
6-13 MPH WITH GUSTS TO AROUND 20 MPH.  
HAINES INDEX........4 OR LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900. 7500-8500 FT AGL  
AFTER 1100.  
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH UNTIL 1600, THEN WEST.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD UNTIL 1600, THEN  
FAIR.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF  
THUNDERSTORMS UNTIL 2400. SNOW SHOWERS LIKELY.  
CHANCE OF RAIN SHOWERS AFTER 2400.  
MIN TEMPERATURE.....31-35.  
24 HR TREND......4-7 DEGREES COOLER.  
MAX HUMIDITY........88-98%.  
24 HR TREND......25-35% WETTER.  
20-FOOT WINDS.......WEST WINDS 5-12 MPH WITH GUSTS TO AROUND 20  
MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................4 UNTIL 2400, THEN 1.  
CWR.................20 PERCENT DECREASING TO 10 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....WEST 20-30 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 0300, THEN BELOW 1000 FT  
AGL UNTIL 0400, THEN 1000 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS, SNOW  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS  
UNTIL 1200, THEN RAIN SHOWERS LIKELY AND CHANCE  
OF THUNDERSTORMS.  
MAX TEMPERATURE.....48-52.  
24 HR TREND......7-10 DEGREES COOLER.  
MIN HUMIDITY........44-50%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......WEST WINDS 8-16 MPH WITH GUSTS TO AROUND 25  
MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................2 UNTIL 1200, THEN 4.  
CWR.................10 PERCENT INCREASING TO 30 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....WEST 20-30 MPH.  
MIXING HEIGHT.......5500-6500 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH UNTIL 1700, THEN AROUND 10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1700, THEN  
FAIR.  
   
FRIDAY NIGHT
 
RAIN WITH POSSIBLE SNOW AND THUNDERSTORMS LIKELY.  
LOWS IN THE LOWER 30S. SOUTH WINDS 4-8 MPH.    
SATURDAY
 
SNOW, RAIN AND CHANCE OF THUNDERSTORMS. HIGHS IN THE  
LOWER 40S. NORTHEAST WINDS 6-13 MPH.    
SUNDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S.  
WEST WINDS 8-15 MPH.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE UPPER 20S. HIGHS AROUND 50. SOUTHWEST WINDS 12-18 MPH.  
 

 
 
COZ213-252300-  
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  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 0900, THEN PARTLY  
CLOUDY(40-50%) UNTIL 1500, THEN MOSTLY CLOUDY.  
SLIGHT CHANCE OF THUNDERSTORMS AFTER 1200.  
CHANCE OF RAIN SHOWERS AFTER 1400.  
MAX TEMPERATURE.....55-61.  
24 HR TREND......4-7 DEGREES COOLER.  
MIN HUMIDITY........21-29%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 4-12 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
HAINES INDEX........4 OR LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 9000-10000  
FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1200, THEN  
VERY GOOD UNTIL 1700, THEN GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. RAIN SHOWERS, SNOW SHOWERS LIKELY AND  
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 2400, THEN  
CHANCE OF RAIN AND SNOW SHOWERS.  
MIN TEMPERATURE.....31-35.  
24 HR TREND......4-7 DEGREES COOLER.  
MAX HUMIDITY........88-98%.  
24 HR TREND......35-50% WETTER.  
20-FOOT WINDS.......WEST WINDS 5-13 MPH WITH GUSTS TO AROUND 20  
MPH.  
HAINES INDEX........2 OR VERY LOW.  
LAL.................3 UNTIL 2400, THEN 1.  
CWR.................40 PERCENT DECREASING TO 10 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS, SNOW  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS  
UNTIL 1200, THEN RAIN SHOWERS WITH POSSIBLE  
THUNDERSTORMS AND SNOW SHOWERS.  
MAX TEMPERATURE.....47-51.  
24 HR TREND......7-10 DEGREES COOLER.  
MIN HUMIDITY........47-55%.  
24 HR TREND......25-35% WETTER.  
20-FOOT WINDS.......WEST WINDS 7-14 MPH WITH GUSTS TO AROUND 25  
MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................2 UNTIL 1200, THEN 4.  
CWR.................10 PERCENT INCREASING TO 40 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....WEST 25-35 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH UNTIL 1600, THEN AROUND 10 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN FAIR.  
   
FRIDAY NIGHT
 
SNOW WITH POSSIBLE RAIN AND THUNDERSTORMS LIKELY.  
LOWS IN THE LOWER 30S. SOUTHWEST WINDS 4-7 MPH.    
SATURDAY
 
SNOW, RAIN AND CHANCE OF THUNDERSTORMS. HIGHS IN THE  
MID 40S. NORTH WINDS 4-9 MPH.    
SUNDAY
 
SNOW SHOWERS, RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. WEST  
WINDS 8-15 MPH.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN  
THE UPPER 20S. HIGHS IN THE LOWER 50S. WEST WINDS 10-17 MPH.  
 

 
 
COZ214-252300-  
CENTRAL AND SOUTHEAST PARK COUNTY-  
INCLUDING ELEVEN MILE CANYON RESERVOIR, FAIRPLAY, GUFFEY,  
HARTSEL, LAKE GEORGE, AND SOUTH PARK  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY  
CLOUDY(30-40%) UNTIL 1500, THEN MOSTLY CLOUDY.  
SLIGHT CHANCE OF RAIN SHOWERS AFTER 1400 UNTIL  
1500, THEN SLIGHT CHANCE OF THUNDERSTORMS.  
SLIGHT CHANCE OF SNOW SHOWERS AFTER 1600.  
MAX TEMPERATURE.....54-62.  
24 HR TREND......4-7 DEGREES COOLER.  
MIN HUMIDITY........13-17%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 8-16 MPH. GUSTS UP TO 20  
MPH INCREASING TO 30 MPH IN THE AFTERNOON.  
RIDGES/UPR SLOPES....SOUTHWEST WINDS 10-18 MPH. GUSTS UP TO 25  
MPH INCREASING TO 35 MPH IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 13000-14000  
FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 0900, THEN SOUTHWEST 20-25  
MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0900, THEN GOOD UNTIL 1100, THEN  
EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
UNTIL 2100. SLIGHT CHANCE OF SNOW SHOWERS UNTIL  
0300. CHANCE OF RAIN SHOWERS AFTER 2100 UNTIL  
0100.  
MIN TEMPERATURE.....31-37.  
24 HR TREND......2-4 DEGREES COOLER.  
MAX HUMIDITY........61-71%.  
24 HR TREND......20-25% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 13-20 MPH WITH GUSTS TO AROUND  
30 MPH.  
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 14-24 MPH WITH GUSTS TO  
AROUND 35 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................3 UNTIL 2400, THEN 1.  
CWR.................10 PERCENT DECREASING TO 0 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.  
SMOKE DISPERSAL.....GOOD UNTIL 2000, THEN POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY(50-60%) UNTIL 0900, THEN PARTLY  
CLOUDY(40-50%) UNTIL 1200, THEN MOSTLY CLOUDY.  
CHANCE OF RAIN SHOWERS, SNOW SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....48-56.  
24 HR TREND......4-7 DEGREES COOLER.  
MIN HUMIDITY........26-34%.  
24 HR TREND......10-15% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 13-23 MPH WITH GUSTS TO AROUND  
40 MPH.  
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 13-23 MPH WITH GUSTS TO  
AROUND 45 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT INCREASING TO 10 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....WEST 25-35 MPH.  
MIXING HEIGHT.......7500-8500 FT AGL.  
TRANSPORT WINDS.....WEST 25-30 MPH UNTIL 1300, THEN 15-20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 0800, THEN GOOD UNTIL 1000, THEN  
VERY GOOD UNTIL 1700, THEN GOOD.  
   
FRIDAY NIGHT
 
SNOW LIKELY, CHANCE OF THUNDERSTORMS AND RAIN  
LIKELY. LOWS IN THE LOWER 30S. SOUTHWEST WINDS 5-12 MPH.    
SATURDAY
 
COLDER. SNOW AND CHANCE OF THUNDERSTORMS. HIGHS IN  
THE LOWER 40S. NORTHEAST WINDS 7-14 MPH.    
SUNDAY
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY WITH POSSIBLE SNOW  
AND THUNDERSTORMS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S.  
NORTHWEST WINDS 8-15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S. HIGHS IN THE  
LOWER 50S. WEST WINDS 9-16 MPH.  
 

 
 
COZ218-252300-  
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  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 0900, THEN PARTLY  
CLOUDY(40-50%) UNTIL 1500, THEN MOSTLY CLOUDY.  
RAIN SHOWERS, SNOW SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....45-55.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........26-36%.  
24 HR TREND......LITTLE CHANGE.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 5-13 MPH. GUSTS UP TO 20  
MPH IN THE MORNING.  
RIDGES/UPR SLOPES....SOUTHWEST WINDS 5-13 MPH. GUSTS UP TO 25  
MPH IN THE MORNING.  
HAINES INDEX........4 OR LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT INCREASING TO 30 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....SOUTHWEST 20-30 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800. 7500-8500 FT AGL  
AFTER 1100.  
TRANSPORT WINDS.....SOUTHWEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD UNTIL 1700, THEN  
POOR.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE  
OF THUNDERSTORMS UNTIL 2400. SNOW SHOWERS  
LIKELY.  
MIN TEMPERATURE.....25-35.  
24 HR TREND......4-7 DEGREES COOLER.  
MAX HUMIDITY........84-94%.  
24 HR TREND......35-50% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 9-17 MPH WITH GUSTS TO AROUND  
35 MPH.  
RIDGES/UPR SLOPES....WEST WINDS 11-21 MPH WITH GUSTS TO AROUND  
40 MPH.  
HAINES INDEX........2 OR VERY LOW.  
LAL.................4 UNTIL 2400, THEN 1.  
CWR.................50 PERCENT DECREASING TO 20 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....NORTHWEST 20-30 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 2300, THEN BELOW 1000 FT  
AGL UNTIL 0100, THEN 1000-1500 FT AGL UNTIL  
0300, THEN BELOW 1000 FT AGL UNTIL 0400, THEN  
1000-1500 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH UNTIL 0300, THEN AROUND 20 MPH.  
SMOKE DISPERSAL.....POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS UNTIL 1200, THEN  
SNOW SHOWERS, RAIN SHOWERS AND CHANCE OF  
THUNDERSTORMS.  
MAX TEMPERATURE.....38-48.  
24 HR TREND......7-10 DEGREES COOLER.  
MIN HUMIDITY........48-58%.  
24 HR TREND......15-20% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 12-22 MPH WITH GUSTS TO AROUND  
40 MPH.  
RIDGES/UPR SLOPES....BREEZY. WEST WINDS 12-22 MPH WITH GUSTS TO  
AROUND 45 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................2 UNTIL 1200, THEN 4.  
CWR.................20 PERCENT INCREASING TO 40 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....WEST 25-35 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL.  
TRANSPORT WINDS.....WEST 20-25 MPH UNTIL 1600, THEN AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD.  
   
FRIDAY NIGHT
 
SNOW AND CHANCE OF THUNDERSTORMS. LOWS IN THE  
UPPER 20S. WEST WINDS 4-9 MPH.    
SATURDAY
 
SNOW AND CHANCE OF THUNDERSTORMS. HIGHS IN THE MID  
30S. NORTHEAST WINDS 7-14 MPH.    
SUNDAY
 
SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS  
IN THE MID 20S. HIGHS IN THE UPPER 30S. WEST WINDS 9-16 MPH.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AND SNOW  
SHOWERS. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S. WEST WINDS  
13-20 MPH.  
 

 
 
COZ212-252300-  
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 BLUE SKY, PUMA HILLS, TARRYALL MOUNTAINS,  
WILLIAMS FORK MOUNTAINS, AND WINTER PARK  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1200, THEN PARTLY  
CLOUDY(40-50%) UNTIL 1500, THEN MOSTLY CLOUDY.  
SNOW SHOWERS, RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS AFTER 1200.  
MAX TEMPERATURE.....45-55.  
24 HR TREND......LITTLE CHANGE.  
MIN HUMIDITY........20-30%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...SOUTHWEST WINDS 7-14 MPH WITH GUSTS TO  
AROUND 20 MPH.  
RIDGES/UPR SLOPES....SOUTHWEST WINDS 7-15 MPH. GUSTS UP TO 30  
MPH IN THE MORNING.  
HAINES INDEX........4 OR LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0800, THEN 9500-10500  
FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 15-20 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1000, THEN GOOD UNTIL 1200, THEN  
VERY GOOD UNTIL 1700, THEN GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS UNTIL 2400. SNOW  
SHOWERS LIKELY.  
MIN TEMPERATURE.....24-34.  
24 HR TREND......4-7 DEGREES COOLER.  
MAX HUMIDITY........78-88%.  
24 HR TREND......35-50% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...BREEZY. WEST WINDS 14-24 MPH WITH GUSTS TO  
AROUND 40 MPH.  
RIDGES/UPR SLOPES....WINDY. WEST WINDS 17-27 MPH WITH GUSTS TO  
AROUND 45 MPH.  
HAINES INDEX........2 OR VERY LOW.  
LAL.................3 UNTIL 2400, THEN 1.  
CWR.................40 PERCENT DECREASING TO 30 PERCENT AFTER  
MIDNIGHT.  
15K FT MSL WINDS....NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......1500-2500 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH UNTIL 2400, THEN 25-30 MPH.  
SMOKE DISPERSAL.....POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS UNTIL  
1200, THEN SNOW SHOWERS, CHANCE OF  
THUNDERSTORMS AND RAIN SHOWERS.  
MAX TEMPERATURE.....38-48.  
24 HR TREND......7-10 DEGREES COOLER.  
MIN HUMIDITY........43-53%.  
24 HR TREND......25-35% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...BREEZY. WEST WINDS 13-23 MPH. GUSTS UP TO  
50 MPH DECREASING TO 40 MPH IN THE  
AFTERNOON.  
RIDGES/UPR SLOPES....WINDY. WEST WINDS 21-31 MPH WITH GUSTS TO  
AROUND 55 MPH UNTIL 1200, THEN 13-20 MPH  
WITH GUSTS TO AROUND 45 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................1 UNTIL 1200, THEN 4.  
CWR.................20 PERCENT INCREASING TO 40 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....WEST 25-35 MPH.  
MIXING HEIGHT.......6500-7500 FT AGL.  
TRANSPORT WINDS.....WEST 25-30 MPH UNTIL 1400, THEN 15-20 MPH.  
SMOKE DISPERSAL.....FAIR UNTIL 0900, THEN GOOD UNTIL 1700, THEN  
FAIR.  
   
FRIDAY NIGHT
 
SNOW AND CHANCE OF THUNDERSTORMS. LOWS IN THE MID  
20S. WEST WINDS 4-9 MPH.    
SATURDAY
 
SNOW AND CHANCE OF THUNDERSTORMS. HIGHS IN THE MID  
30S. NORTHEAST WINDS 7-14 MPH.    
SUNDAY
 
SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS  
IN THE MID 20S. HIGHS IN THE UPPER 30S. NORTHWEST WINDS 9-16 MPH.   
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS. LOWS IN  
THE MID 20S. HIGHS IN THE MID 40S. WEST WINDS 12-18 MPH.  
 

 
 
COZ217-252300-  
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-  
INCLUDING EAST SLOPES PARK AND NORTHERN GORE RANGES, GORE PASS,  
AND RABBIT EARS PASS  
328 AM MDT THU APR 25 2024  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY(30-35%) UNTIL 1200, THEN MOSTLY  
CLOUDY(60-65%). RAIN SHOWERS, SNOW SHOWERS  
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS AFTER  
1200.  
MAX TEMPERATURE.....47-57.  
24 HR TREND......2-4 DEGREES COOLER.  
MIN HUMIDITY........27-37%.  
24 HR TREND......2-4% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 6-14 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
RIDGES/UPR SLOPES....WEST WINDS 6-14 MPH WITH GUSTS TO AROUND  
25 MPH.  
HAINES INDEX........4 OR LOW.  
LAL.................1 UNTIL 1200, THEN 3.  
CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....SOUTHWEST 15-25 MPH.  
MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0900, THEN 8000-9000 FT  
AGL.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR UNTIL 1100, THEN GOOD.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS UNTIL  
2400. SNOW SHOWERS AND RAIN SHOWERS LIKELY.  
SLIGHT CHANCE OF THUNDERSTORMS AFTER 2400.  
MIN TEMPERATURE.....27-35.  
24 HR TREND......4-7 DEGREES COOLER.  
MAX HUMIDITY........86-96%.  
24 HR TREND......35-50% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 8-15 MPH.  
RIDGES/UPR SLOPES....WEST WINDS 10-18 MPH WITH GUSTS TO AROUND  
30 MPH.  
HAINES INDEX........3 OR VERY LOW.  
LAL.................4 UNTIL 2400, THEN 2.  
CWR.................30 PERCENT.  
15K FT MSL WINDS....WEST 20-30 MPH.  
MIXING HEIGHT.......2000-3000 FT AGL UNTIL 0300, THEN BELOW 1000 FT  
AGL UNTIL 0400, THEN 1000 FT AGL UNTIL 0500,  
THEN BELOW 1000 FT AGL.  
TRANSPORT WINDS.....WEST 10-15 MPH.  
SMOKE DISPERSAL.....POOR.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS LIKELY WITH  
POSSIBLE RAIN SHOWERS AND THUNDERSTORMS UNTIL  
1200, THEN RAIN SHOWERS, SNOW SHOWERS AND  
CHANCE OF THUNDERSTORMS.  
MAX TEMPERATURE.....40-50.  
24 HR TREND......7-10 DEGREES COOLER.  
MIN HUMIDITY........50-60%.  
24 HR TREND......20-25% WETTER.  
20-FOOT WINDS.......  
VALLEYS/LWR SLOPES...WEST WINDS 9-17 MPH WITH GUSTS TO AROUND  
30 MPH.  
RIDGES/UPR SLOPES....WEST WINDS 9-17 MPH WITH GUSTS TO AROUND  
35 MPH.  
HAINES INDEX........2 OR VERY LOW.  
LAL.................2 UNTIL 1200, THEN 4.  
CWR.................30 PERCENT INCREASING TO 50 PERCENT IN THE  
AFTERNOON.  
15K FT MSL WINDS....WEST 20-30 MPH.  
MIXING HEIGHT.......5000-6000 FT AGL.  
TRANSPORT WINDS.....WEST 15-20 MPH UNTIL 1700, THEN AROUND 10 MPH.  
SMOKE DISPERSAL.....FAIR.  
   
FRIDAY NIGHT
 
SNOW, RAIN AND CHANCE OF THUNDERSTORMS. LOWS  
AROUND 30. SOUTH WINDS 5-12 MPH.    
SATURDAY
 
SNOW AND CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER  
30S. NORTHEAST WINDS 8-15 MPH.    
SUNDAY
 
SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS  
IN THE UPPER 20S. HIGHS AROUND 40. WEST WINDS 9-16 MPH.    
MONDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS AND SNOW  
SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. SOUTHWEST  
WINDS 13-20 MPH.  
 

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

 
 
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