804  
FNUS73 KUNR 232246  
FWSUNR  
 
SPOT FORECAST FOR TIMBER CREEK CRASH...CCFD CC EM & HS  
NATIONAL WEATHER SERVICE RAPID CITY SD  
346 PM MST TUE DEC 23 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1600 MST ON DECEMBER 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
CONDITIONS WILL REMAIN DRY WITH OVERCAST SKIES THROUGH TONIGHT.  
WINDS WILL BE OUT OF THE SOUTH TO SOUTHWEST AT 10 MPH, GUSTING TO  
20 MPH.  
 
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT).  
MAX TEMPERATURE.....AROUND 60.  
MIN HUMIDITY........38 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
SURFACE WINDS (MPH).SOUTH WINDS AROUND 10 MPH WITH GUSTS TO AROUND  
18 MPH.  
 
TIME (MST) 4PM 5PM  
SKY (%).........85 88  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0  
TEMP............54 46  
RH..............46 57  
SURFACE WND DIR.S S  
SURFACE WND SPD.10 10  
SURFACE WND GST.18 17  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT).  
MIN TEMPERATURE.....AROUND 39.  
MAX HUMIDITY........61 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
SURFACE WINDS (MPH).SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 20 MPH.  
 
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........87 88 87 84 81 77 74 72 71 71 67 41  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............44 43 43 44 45 45 45 44 44 44 44 43  
RH..............61 58 55 51 47 45 43 43 43 43 41 43  
SURFACE WND DIR.S S S S S S SW SW SW SW SW SW  
SURFACE WND SPD.10 10 10 10 10 10 10 10 10 10 10 10  
SURFACE WND GST.18 18 20 18 17 17 17 18 18 20 20 20  
 

 
FORECASTER...EW  
REQUESTED BY...J MITCHELL  
TYPE OF REQUEST...HAZMAT  
.TAG 2528046.0/UNR  
.DELDT 12/23/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JMITCHELL@CCFIRE.US  
 
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