627  
FNUS75 KBOU 240935  
FWSBOU  
 
SPOT FORECAST FOR COFAS...COUNTY  
NATIONAL WEATHER SERVICE DENVER/BOULDER CO  
335 AM MDT FRI APR 24 2026  
 
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MDT  
THIS EVENING...  
   
DISCUSSION
 
WEST-SOUTHWEST WINDS WILL INCREASE THIS MORNING AND  
BY EARLY AFTERNOON GUSTS TO 35 MPH WILL BE POSSIBLE. IT WILL ALSO  
BE MILD AND DRY WITH RELATIVE HUMIDITY FALLING TO AROUND 10  
PERCENT THIS AFTERNOON. BREEZY TO WINDY CONDITIONS LINGER THIS  
EVENING AHEAD OF A COLD FRONT. THIS COLD FRONT MOVES THROUGH MID  
TO LATE EVENING WITH GUSTY NORTHEAST WINDS TO 30 MPH BEHIND THE  
FRONT. WINDS QUICKLY TAPER OFF BEHIND THE FRONT. THIS FRONT WILL  
BRING COOLER TEMPERATURES AND MUCH HIGHER RELATIVE HUMIDITIES FOR  
THE WEEKEND. LOW CLOUDS FORM BEHIND THE FRONT LATE TONIGHT AND  
SHOULD LINGER MOST OF SATURDAY MORNING BEFORE DISSIPATING.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 60.  
MIN HUMIDITY........11 PERCENT.  
SURFACE WINDS (MPH).WEST WINDS 5 TO 8 MPH UNTIL 1000 INCREASING  
TO 14 TO 22 MPH WITH GUSTS TO AROUND 32 MPH  
BY EARLY AFTERNOON.  
SNOWFALL AMOUNT.....0.0 INCHES.  
 
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........19 15 19 18 18 16 14 10 11 14 13 18  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............34 37 41 45 49 52 55 57 58 60 60 59  
RH..............43 38 33 27 21 18 15 13 13 11 11 11  
SURFACE WND DIR.W W W W SW W W W SW W W W  
SURFACE WND SPD.6 6 7 7 7 9 12 14 16 18 18 17  
SURFACE WND GST.9 9 10 10 10 14 18 22 25 29 32 30  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 31.  
MAX HUMIDITY........63 PERCENT.  
SURFACE WINDS (MPH).WEST WINDS 9 TO 15 MPH WITH GUSTS TO AROUND 28  
MPH UNTIL 2000, THEN NORTHWEST 5 TO 12 MPH  
UNTIL 2200, THEN NORTHEAST TO EAST 4 TO  
10 MPH.  
SNOWFALL AMOUNT.....0.0 INCHES.  
 
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........24 27 29 35 37 41 40 41 41 45 47 45  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............58 55 51 47 44 41 39 37 35 33 32 31  
RH..............12 14 16 20 27 34 42 46 54 58 61 61  
SURFACE WND DIR.W W W NW N NE NE NE E SE SE S  
SURFACE WND SPD.15 12 9 8 8 8 7 6 5 2 2 2  
SURFACE WND GST.28 23 20 16 14 13 10 9 7 5 5 5  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) UNTIL 1200, THEN  
MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN  
AND SNOW. SLIGHT CHANCE OF THUNDERSTORMS AFTER  
1500.  
CHANCE OF PCPN......40 PERCENT.  
MAX TEMPERATURE.....AROUND 53.  
MIN HUMIDITY........31 PERCENT.  
SURFACE WINDS (MPH).VARIABLE UP TO 5 MPH UNTIL 1100, THEN SOUTHEAST  
5 TO 12 MPH.  
SNOWFALL AMOUNT.....0.0 INCHES.  
 
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........40 44 38 31 33 38 60 60 60 61 68 75  
WEATHER COV..... CHC CHC CHC CHC CHC CHC  
WEATHER TYPE.... RS RS RS RW RW RW  
TSTM COV........ SCH SCH SCH  
CHC OF PCPN (%).10 10 10 10 10 10 40 40 40 40 40 40  
TEMP............31 33 36 39 43 46 49 51 53 52 51 51  
RH..............63 61 54 50 43 40 36 33 31 33 36 37  
SURFACE WND DIR.SE SE SE SE SE SE SE SE SE E SE SE  
SURFACE WND SPD.2 2 2 3 3 5 6 7 7 7 8 7  
SURFACE WND GST.5 5 5 7 8 9 13 14 14 14 15 14  
 

 
FORECASTER...MEIER  
REQUESTED BY...NICK SHAW  
TYPE OF REQUEST...OTHER  
.TAG 2611560.0/BOU  
.DELDT 04/24/26  
.FORMATTERVERSION 2.0.0  
.EMAIL SHAWN@BOULDERCOLORADO.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CO Page Main Text Page