132  
FNUS73 KUNR 251913  
FWSUNR  
 
SPOT FORECAST FOR CAMPBELL COUNTY FAIR & DEMO DERBY...CC EM & HS  
NATIONAL WEATHER SERVICE RAPID CITY SD  
113 PM MDT SAT JUL 25 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1500 MDT ON JULY 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT  
   
..HEAT ADVISORY IN EFFECT UNTIL 8 PM MDT SUNDAY  
 
   
DISCUSSION  
THE HOT TEMPERATURES REMAIN THE MAIN OVERALL CONCERN  
FOR CAMPBELL COUNTY THROUGH SUNDAY. HIGHS FOR THE REMAINDER OF  
TODAY AND FOR SUNDAY WILL TOP OUT FROM 100 TO 105. AN ISOLATED  
SHOWER OR THUNDERSTORM IS POSSIBLE LATER THIS AFTERNOON AND INTO  
THE EVENING. THE BIGGEST THREATS WILL BE DRY LIGHTNING AND POTENTIAL  
FIRE STARTS, AND GUSTY THUNDERSTORM WINDS IN EXCESS OF 50 MPH.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). ISOLATED SHOWERS  
AND THUNDERSTORMS.  
MAX TEMPERATURE.....AROUND 102.  
MIN HUMIDITY........16 PERCENT.  
CHANCE OF PCPN......20 PERCENT.  
MAX APPARENT TEMP...95.  
SURFACE WINDS (MPH).WEST WINDS 8 TO 10 MPH WITH GUSTS TO AROUND 21  
MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (MDT) 3PM 4PM 5PM  
SKY (%).........49 50 50  
WEATHER COV.....ISO ISO ISO  
WEATHER TYPE....RW RW RW  
TSTM COV........ISO ISO ISO  
CHC OF PCPN (%).20 20 20  
TEMP............99 99 98  
RH..............16 16 17  
HEAT INDEX (F)..95 95 94  
SURFACE WND DIR.W W NW  
SURFACE WND SPD.10 9 8  
SURFACE WND GST.21 21 21  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT). ISOLATED SHOWERS  
AND THUNDERSTORMS IN THE EVENING.  
MIN TEMPERATURE.....AROUND 67.  
MAX HUMIDITY........59 PERCENT.  
CHANCE OF PCPN......20 PERCENT.  
MAX APPARENT TEMP...93.  
SURFACE WINDS (MPH).NORTH WINDS 7 TO 8 MPH SHIFTING TO THE EAST 5  
TO 6 MPH EARLY IN THE EVENING, THEN BECOMING  
LIGHT IN THE LATE EVENING AND OVERNIGHT  
BECOMING SOUTHWEST 5 TO 6 MPH AFTER 3 AM. GUSTS  
UP TO 20 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........50 57 59 61 55 48 41 30 31 31 28 28  
WEATHER COV.....ISO ISO ISO ISO ISO ISO  
WEATHER TYPE....RW RW RW RW RW RW  
TSTM COV........ISO ISO ISO ISO ISO ISO  
CHC OF PCPN (%).20 20 20 20 20 20 0 0 0 0 0 0  
TEMP............97 96 91 86 83 81 78 76 75 72 68 67  
RH..............17 18 23 31 36 39 43 46 46 49 57 59  
HEAT INDEX (F)..93 92 88 84 82 81 78 76 75 72 68 67  
SURFACE WND DIR.N N E E S S SW W S W W SW  
SURFACE WND SPD.8 7 6 5 3 3 3 3 3 5 6 6  
SURFACE WND GST.20 20 18 17 17 15 15 15 15 15 14 14  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).  
MAX TEMPERATURE.....AROUND 100.  
MIN HUMIDITY........14 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
MAX APPARENT TEMP...96.  
SURFACE WINDS (MPH).SOUTHWEST WINDS 6 TO 7 MPH SHIFTING TO THE  
NORTH 8 TO 9 MPH LATE IN THE AFTERNOON. GUSTS  
UP TO 22 MPH.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........28 21 8 8 9 9 26 26 27 27 29 45  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 10 10 10  
TEMP............69 74 80 86 90 92 94 96 97 99 100 99  
RH..............55 48 41 34 26 23 20 18 16 14 14 14  
HEAT INDEX (F)..69 74 80 84 87 89 90 92 93 95 96 94  
SURFACE WND DIR.SW SW W W NW NW N N N N N N  
SURFACE WND SPD.6 7 7 8 10 13 13 12 12 10 9 8  
SURFACE WND GST.14 15 16 17 20 21 21 21 22 22 22 21  
 
 
FORECASTER...DH  
REQUESTED BY...JIM MITCHELL  
TYPE OF REQUEST...OTHER  
.TAG 2618135.1/UNR  
.DELDT 07/25/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JIMM@CAMPBELLCOFIREWY.GOV  
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