231  
FNUS73 KUNR 221602  
FWSUNR  
 
SPOT FORECAST FOR WRIGHT RX...GREAT PLAINS DISPATCH  
NATIONAL WEATHER SERVICE RAPID CITY SD  
1002 AM MDT THU MAY 22 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1100 MDT ON MAY 22.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
DISCUSSION...DRY CONDITIONS ARE EXPECTED DURING THE DAY TODAY,  
HOWEVER SHOWERS/STORMS WILL MOVE INTO THE REGION THIS EVENING INTO  
FRIDAY MORNING, INCREASING CWR OVER THE SPOT AREA. SEVERE STORMS  
ARE NOT EXPECTED. ISOLATED SHOWERS/STORMS WILL BE POSSIBLE THE  
REST OF FRIDAY AS WELL, HOWEVER MORE WIDESPREAD PRECIPITATION  
MOVES IN FOR SATURDAY AND SUNDAY.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).  
MAX TEMPERATURE.....AROUND 65.  
MIN HUMIDITY........35 PERCENT.  
WIND (20 FT)........EAST TO SOUTHEAST WINDS 10 TO 15 MPH. GUSTS UP TO 20 MPH.  
CWR.................0 PERCENT.  
MIXING HEIGHT.......6000 TO 6500 FT AGL.  
TRANSPORT WINDS.....EAST 10 TO 20 MPH SHIFTING TO THE SOUTHEAST 15  
TO 20 MPH LATE IN THE AFTERNOON, THEN  
DECREASING TO AROUND 10 MPH LATE IN THE  
AFTERNOON.  
SMOKE DISPERSAL.....GOOD.  
 
TIME (MDT) 5AM 6AM 7AM 8AM 9AM 10A 11A  
SKY (%).........12 15 21 26 31 44 57  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0  
TEMP............61 63 64 65 64 63 62  
RH..............36 35 35 36 38 41 43  
20 FT WIND DIR..E E E E E E E  
20 FT WIND SPD..6 7 9 10 12 13 14  
20 FT WIND GUST.12 15 17 20 22 17 20  
MIX HGT (KFT)...5.0 5.4 5.8 6.0 6.5 6.0 5.6  
TRANSP WIND DIR.E E E SE SE SE SE  
TRANSP WIND SPD.9 12 15 16 16 12 6  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). RAIN SHOWERS  
LIKELY IN THE LATE EVENING AND OVERNIGHT.  
CHANCE OF RAIN SHOWERS AFTER 3 AM.  
MIN TEMPERATURE.....AROUND 44.  
MAX HUMIDITY........96 PERCENT.  
WIND (20 FT)........EAST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20  
MPH SHIFTING TO THE SOUTHEAST OVERNIGHT.  
CWR.................40 PERCENT.  
MIXING HEIGHT.......900 TO 1400 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 0 MPH.  
SMOKE DISPERSAL.....POOR.  
 
TIME (MDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P  
SKY (%).........70 75 80 85 86 86 87 86 84 83 81 80  
WEATHER COV..... LKY LKY LKY LKY LKY LKY CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW  
TSTM COV........  
CWR.............40 40 40 40 40 40 40 40 40 40 40 40  
TEMP............61 59 55 52 51 49 48 47 47 46 46 45  
RH..............44 49 59 66 68 77 83 86 86 93 89 96  
20 FT WIND DIR..E E E E E SE SE SE SE SE SE S  
20 FT WIND SPD..14 12 10 10 9 8 8 7 7 6 6 6  
20 FT WIND GUST.20 16 15 15 13 12 12 9 9 7 7 7  
MIX HGT (KFT)...4.8 2.8 1.1 0.9 1.4 1.4 1.2 1.2 1.2 1.3 1.4 1.5  
TRANSP WIND DIR.N N N N N N N N N N N N  
TRANSP WIND SPD.0 0 0 0 0 0 0 0 0 0 0 0  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF RAIN  
SHOWERS IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 61.  
MIN HUMIDITY........67 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS AROUND 10 MPH SHIFTING TO THE  
NORTHEAST LATE MORNING TO EARLY AFTERNOON.  
CWR.................20 PERCENT.  
MIXING HEIGHT.......2500 TO 3000 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 0 MPH.  
SMOKE DISPERSAL.....POOR.  
 
TIME (MDT) MID 1AM 2AM 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A  
SKY (%).........78 78 77 76 69 62 54 55 56 57 62 66  
WEATHER COV..... CHC CHC CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW RW  
TSTM COV........  
CWR.............20 20 20 20 20 20 20 20 20 20 20 20  
TEMP............46 47 49 52 54 60 58 61 61 61 61 61  
RH..............93 93 93 83 80 67 72 70 70 67 70 67  
20 FT WIND DIR..SE E SE E E E E E NE NE NE NE  
20 FT WIND SPD..6 6 7 6 8 8 9 10 10 12 13 13  
20 FT WIND GUST.7 7 9 7 12 12 13 15 15 16 17 17  
MIX HGT (KFT)...1.5 1.6 1.7 1.9 2.1 2.4 2.6 2.8 2.9 3.0 2.7 2.4  
TRANSP WIND DIR.N N N N N N N N N N N N  
TRANSP WIND SPD.0 0 0 0 0 0 0 0 0 0 0 0  
 

 
FORECASTER...AD  
REQUESTED BY...HANJE EHRLICH  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2514521.0/UNR  
.DELDT 05/22/25  
.FORMATTERVERSION 2.0.0  
.EMAIL SDGPC@FIRENET.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SD Page
The Nexlab WY Page Main Text Page