084  
FNUS73 KUNR 191317  
FWSUNR  
 
SPOT FORECAST FOR NEWCASTLE DRAG RACES...WESTON COUNTY OEM  
NATIONAL WEATHER SERVICE RAPID CITY SD  
717 AM MDT SUN JUL 19 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0900 MDT ON JULY 19.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
..HEAT ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING
 
 
   
DISCUSSION
 
A FEW RAINDROPS ARE POSSIBLE THIS MORNING THROUGH  
1000 AM, BUT LIGHTNING ISN'T A CONCERN. OTHERWISE, HOT WEATHER IS  
EXPECTED TO CONTINUE TODAY WITH A HIGH TEMPERATURE AROUND 98F,  
BUT A MAXIMUM HEAT INDEX AROUND 94F DUE TO THE DRY AIR. A BRIEF,  
ISOLATED THUNDERSTORM IS POSSIBLE BETWEEN 200 PM AND 900 PM.  
IF A THUNDERSTORM DOES DEVELOP, IT WILL HAVE GUSTY, ERRATIC WINDS.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SLIGHT CHANCE OF  
A THUNDERSTORMS IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 98.  
CHANCE OF PCPN......20 PERCENT.  
MAX APPARENT TEMP...94.  
SURFACE WINDS (MPH).LIGHT SOUTH WINDS.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (MDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........43 37 36 46 49 40 40 31 20  
WEATHER COV.....SCH SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH  
CHC OF PCPN (%).20 0 0 10 10 20 20 20 20  
TEMP............83 87 90 92 94 96 97 97 96  
HEAT INDEX (F)..81 84 86 89 91 92 93 93 92  
SURFACE WND DIR.S S S S S S SW S SE  
SURFACE WND SPD.5 5 5 5 5 5 5 3 3  
SURFACE WND GST.12 9 9 10 13 14 14 14 14  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.  
MIN TEMPERATURE.....AROUND 70.  
CHANCE OF PCPN......20 PERCENT.  
SURFACE WINDS (MPH).LIGHT NORTHEAST WINDS.  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........28 16 15 37 23 18 15 21 25 26 19 20  
WEATHER COV.....SCH SCH SCH  
WEATHER TYPE....RW RW RW  
TSTM COV........SCH SCH SCH  
CHC OF PCPN (%).20 20 20 10 10 10 10 10 10 0 0 0  
TEMP............96 94 88 83 80 79 77 75 74 72 72 72  
HEAT INDEX (F)..92 91 85 81 80 79 77 75 74 72 72 72  
SURFACE WND DIR.NE E E NE NE NE NE NE NE NE NE NE  
SURFACE WND SPD.7 7 7 7 7 6 6 5 3 3 3 3  
SURFACE WND GST.15 15 14 14 13 12 12 10 8 8 7 7  
 

 
FORECASTER...MS  
REQUESTED BY...GILBERT NELSON  
TYPE OF REQUEST...OTHER  
.TAG 2605055.0/UNR  
.DELDT 07/19/26  
.FORMATTERVERSION 2.0.0  
.EMAIL GNELSON@WESTONGOV.COM  
 
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