589  
FNUS75 KCYS 111326  
FWSCYS  
 
SPOT FORECAST FOR CORKSCREW FIRE...XXXX  
NATIONAL WEATHER SERVICE CHEYENNE WY  
726 AM MDT SAT JUL 11 2026  
 
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE AT (307) 772-2227  
 
...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO MIDNIGHT MDT  
TUESDAY NIGHT...  
 
...FIRE WEATHER WATCH IN EFFECT FROM NOON MDT TODAY THROUGH  
SUNDAY MORNING...  
 
...RED FLAG WARNING IN EFFECT FROM NOON SUNDAY TO 8 PM MDT  
MONDAY...  
   
DISCUSSION
 
 
HOT DAY ON TAP AS HIGH PRESSURE BUILDS ACROSS THE REGION. DUE TO  
THE ABUNDANCE OF DRY FUELS COUPLED WITH DRY CONDITIONS, TODAY WE  
HAVE A FIRE WEATHER WATCH IN PLACE. UNDER SUNNY SKIES, MIN RH  
VALUES TO AROUND 20%, AND SOUTH WINDS UP TO 12 MPH MAKES THE  
CONDITIONS PRIME FOR A WATCH. NO CHANCES OF WETTING RAINS TODAY OR  
TOMORROW.  
 
   
TODAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
MAX TEMPERATURE.....AROUND 97.  
MIN HUMIDITY........20 PERCENT.  
WIND (20 FT)........SOUTH WINDS 7 TO 12 MPH.  
RIDGETOP WIND.......  
CWR.................0 PERCENT.  
HAINES INDEX........MISSING.  
 
TIME (MDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM  
SKY (%).........20 3 3 2 6 6  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0 0 0  
TEMP............67 75 86 93 96 95  
RH..............70 55 36 26 21 22  
20 FT WIND......S 10 S 12 S 12 S 9 S 8 S 7  
20 FT WIND GUST.20 22 21 18 16 15  
RIDGETOP WIND...M M M M M M  
HAINES INDEX....M M M M M M  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
MIN TEMPERATURE.....AROUND 66.  
MAX HUMIDITY........75 PERCENT.  
WIND (20 FT)........SOUTH WINDS 8 TO 14 MPH.  
RIDGETOP WIND.......  
CWR.................0 PERCENT.  
HAINES INDEX........MISSING.  
 
TIME (MDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........28 28 13 9 9 11  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0 0 0  
TEMP............94 85 77 74 71 69  
RH..............23 35 48 53 61 68  
20 FT WIND......S 8 SE 12 S 14 S 13 S 12 S 9  
20 FT WIND GUST.15 22 26 25 22 18  
RIDGETOP WIND...M M M M M M  
HAINES INDEX....M M M M M M  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
MAX TEMPERATURE.....AROUND 99.  
MIN HUMIDITY........17 PERCENT.  
WIND (20 FT)........SOUTH WINDS 9 TO 13 MPH.  
RIDGETOP WIND.......  
CWR.................0 PERCENT.  
HAINES INDEX........MISSING.  
 
TIME (MDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........22 22 2 0 0 13  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0 0 0  
TEMP............66 76 85 93 97 99  
RH..............75 58 40 27 20 17  
20 FT WIND......S 9 S 9 S 9 S 9 S 12 S 12  
20 FT WIND GUST.18 17 17 18 21 23  
RIDGETOP WIND...M M M M M M  
HAINES INDEX....M M M M M M  
 

 
FORECASTER...ZAWISLAK  
REQUESTED BY...YYYY  
TYPE OF REQUEST...WILDFIRE  
.TAG 2600000.0/CYS  
.DELDT 07/11/26  
.FORMATTERVERSION 2.0.0  
.EMAIL FLIM_CAPE@YAHOO.COM  
 
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