879  
FXUS63 KUNR 151132  
AFDUNR  
 
AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY  
NATIONAL WEATHER SERVICE RAPID CITY SD  
432 AM MST SAT NOV 15 2025  
   
KEY MESSAGES  
 
- DRY WITH NEAR TO SLIGHTLY ABOVE AVERAGE TEMPERATURES THIS  
WEEKEND  
 
- PRECIPITATION CHANCES INCREASE LATE SUNDAY NIGHT INTO MONDAY  
 
- UNSETTLED WEATHER PATTERN EXPECTED FOR MUCH OF NEXT WEEK  
 
 
   
DISCUSSION  
(TODAY THROUGH FRIDAY)  
ISSUED AT 124 AM MST SAT NOV 15 2025  
 
09Z UPPER LEVEL ANALYSIS HAS BROAD TROF CROSSING SOUTH CENTRAL  
CANADA AND THE FAR NORTHERN GREAT PLAINS. SKIES ARE MOSTLY CLOUDY  
ACROSS THE FORECAST AREA, WITH A BAND OF LIGHT RAIN SHOWERS  
CROSSING NORTHWESTERN SD. AT THE SURFACE, A COLD FRONT IS  
CURRENTLY SHIFTING SOUTH ACROSS NORTHWESTERN SD, WITH CANADIAN  
HIGH PRESSURE SOON TO FOLLOW. TEMPERATURES AT 2PM ARE IN THE 30S  
AND 40S, WITH WEST TO NORTHWEST WINDS.  
 
UPPER LEVEL PATTERN WILL SHIFT BACK TO RIDGING THIS WEEKEND AS  
CANADIAN HIGH PRESSURE SETTLES OVER THE DAKOTAS. DRY AND MILD  
CONDITIONS ARE EXPECTED TODAY AND SUNDAY, WITH LIGHT WINDS.  
 
LATE SUNDAY, AN UPPER TROF/WEAK CLOSED LOW WILL LIFT OUT OF THE  
FOUR CORNERS REGION THROUGH THE CENTRAL PLAINS. BEST UPPER  
DYNAMICS REMAIN SOUTH OF THE AREA, BUT SURFACE LOW AND MID LEVEL  
TROF WILL CROSS THE AREA ON MONDAY BRINGING GOOD CHANCES FOR SOME  
LIGHT RAIN. BEST AMOUNTS AT THIS TIME LOOK TO BE FROM THE BLACK  
HILLS SOUTH AND EAST, WITH UP TO A TENTH OF AN INCH OF MOISTURE.  
AT THIS TIME, THE SYSTEM IS FAIRLY WARM, AND ANY POSSIBLE SNOWFALL  
SHOULD BE RESTRICTED TO THE HIGHEST ELEVATIONS OF THE BLACK HILLS.  
 
WEATHER PATTERN REMAINS FAIRLY UNSETTLED FOR THE REMAINDER OF NEXT  
WEEK. WEAK ENERGY IN WEST TO SOUTHWEST UPPER FLOW WILL CROSS THE  
AREA AT TIMES, BRINGING VERY LIGHT PRECIPITATION CHANCES.  
TEMPERATURES NEXT WEEK WILL BE NEAR SEASONAL AVERAGES.  
 
 
   
AVIATION  
(FOR THE 12Z TAFS THROUGH 12Z SUNDAY MORNING)  
ISSUED AT 428 AM MST SAT NOV 15 2025  
 
VFR CONDITIONS WILL PERSIST THROUGH THE FORECAST PERIOD FOR MOST  
OF THE AREA. THE EXCEPTION WILL BE SOME LIFR TO IFR CEILINGS  
ACROSS FAR NORTHWEST SOUTH DAKOTA THROUGH EARLY AFTERNOON.  
 
 
   
UNR WATCHES/WARNINGS/ADVISORIES  
 
SD...NONE.  
WY...NONE.  
 
 
 
 
DISCUSSION/KEY MESSAGES...15  
AVIATION...15  
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