429  
FXUS63 KFSD 021115  
AFDFSD  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
515 AM CST MON FEB 2 2026  
   
KEY MESSAGES
 
 
- POCKETS OF LIGHT SNOW WILL PROGRESS THROUGH THE AREA THIS  
EVENING AND OVERNIGHT WITH MAINLY LIGHT ACCUMULATIONS EXPECTED  
(A DUSTING OR LESS). A TRANSITION TO FREEZING DRIZZLE WILL BE  
POSSIBLE OVERNIGHT.  
 
- NEAR TO ABOVE NORMAL TEMPERATURES WILL PERSIST OVER THE NEXT  
SEVERAL DAYS WITH THE WARMEST CONDITIONS EXPECTED BY THURSDAY.  
 
- WITH NO MAJOR SYSTEM AHEAD OVER THE NEXT WEEK, EXPECT MOSTLY  
QUIET CONDITIONS TO PERSIST.  
 

 
   
DISCUSSION
 
 
ISSUED AT 254 AM CST MON FEB 2 2026  
 
TODAY & TONIGHT: A SLIGHTLY COOLER DAY AHEAD! TAKING A LOOK ACROSS  
THE AREA, A DREARY START CONTINUES AS LOWER-LEVEL CLOUDS (STRATUS)  
CONTINUES TO BLANKET THE AREA THIS MORNING. SIMILAR TO YESTERDAY, WE  
SHOULD KEEP OVERCAST SKIES AROUND FOR MOST OF THE DAY. HOWEVER, OUR  
SURFACE WINDS WILL BE A LOT LIGHTER THAN YESTERDAY. OTHERWISE, THE  
FIRST HALF OF THE DAY WILL REMAIN QUIET AS TEMPERATURES PEAK IN THE  
UPPER TEENS TO MID 30S FOR THE DAY WITH THE COOLEST CONDITIONS NORTH  
OF A HURON TO SIOUX FALLS TO STORM LAKE, IA LINE. BY THE SECOND HALF  
OF THE DAY, WE'LL SEE ANOTHER CLIPPER WAVE SWING ACROSS THE NORTHERN  
PLAINS BY LATE AFTERNOON PROMOTING INCREASED SNOW CHANCES (20%-30%)  
FROM THE EARLY EVENING INTO THE OVERNIGHT HOURS. WITH QPF EXPECTED  
REMAINING BELOW 0.10" OF AN INCH, MOST AREAS CAN EXPECT A DUSTING OR  
LESS WITH THE POTENTIAL FOR LIGHT SNOW TO TRANSITION TO POCKETS OF  
FREEZING DRIZZLE AND/OR FLURRIES OVERNIGHT. OTHERWISE, MOST OF THIS  
ACTIVITY SHOULD GRADUALLY DISSIPATE INTO THE START OF TUESDAY AS  
TEMPERATURES DECREASE INTO THE LOW DOUBLE DIGITS TO LOW 20S FOR THE  
NIGHT.  
 
TUESDAY-THURSDAY: LOOKING INTO TUESDAY, A SURFACE HIGH WILL SLIDE  
THROUGH THE AREA KEEPING ANY DEVELOPING PRECIPITATION CHANCES  
CONFINED TO THE WESTERN AND CENTRAL PORTIONS OF SD. OTHERWISE,  
TEMPERATURES WILL CONTINUE TO HOVER NEAR TO JUST ABOVE NORMAL  
THRESHOLDS WITH HIGHS MAINLY IN THE 20S TO MID 30S THROUGH  
WEDNESDAY. BY THURSDAY, BROAD NORTHERLY FLOW ALOFT WILL HELP USHER  
IN A MID-LEVEL RIDGE. INCREASING WARM AIR ADVECTION (WAA) ON THE  
BACKSIDE OF THE RIDGE WILL HELP TEMPERATURES APPROACH THEIR WARMEST  
POINTS FOR THE WEEK WITH HIGHS MAINLY IN THE 40S TO LOW 50S EXPECTED.  
OTHERWISE, A DRY COLD FRONT WILL SWING THROUGH THE REGION BY LATE  
THURSDAY SLIGHTLY DECREASING OUR TEMPERATURES INTO THE WEEKEND.  
 
THE WEEKEND: HEADING INTO THE WEEKEND, UPPER-LEVEL RIDGING OVER THE  
WESTERN CONUS WILL BEGIN TO BREAK DOWN SHIFTING US BACK TO  
NORTHWESTERLY FLOW ALOFT. THE PATTERN WILL REMAIN ACTIVE ALOFT WITH  
ANOTHER WEAK WAVE SWINGING THROUGH BETWEEN SATURDAY AND SUNDAY WITH  
LIMITED PRECIPITATION CHANCES (<10%). HOWEVER, TEMPERATURES WILL  
CONTINUE TO HOVER IN 30S TO MID 40S THROUGH SUNDAY AS THE QUIETER  
CONDITIONS CONTINUE.  
 

 
   
AVIATION /12Z TAFS THROUGH 12Z TUESDAY/
 
 
ISSUED AT 510 AM CST MON FEB 2 2026  
 
MAINLY MVFR CONDITIONS WILL CONTINUE THIS TAF PERIOD. TAKING A  
LOOK AT SATELLITE IMAGERY, MVFR TO IFR STRATUS CONTINUES TO SIT  
OVER THE AREA THIS MORNING. NOT EXPECTING MUCH CHANCES ACROSS  
THE AREA THROUGHOUT THE DAY WITH MAINLY MVFR CIGS CONTINUING.  
LIGHT SNOW WILL RETURN BY EARLY EVENING POTENTIALLY PROMOTING  
OCCASIONAL IFR VSBYS. HOWEVER, IT WILL BE MORE OF A QUICK BURST  
THAN PROLONGED CONDITIONS. OTHERWISE, LIGHTER SURFACE WINDS WILL  
CONTINUE INTO TUESDAY TO END THE TAF PERIOD.  
 

 
   
FSD WATCHES/WARNINGS/ADVISORIES
 
 
SD...NONE.  
MN...NONE.  
IA...NONE.  
NE...NONE.  
 

 
 

 
 
DISCUSSION...05  
AVIATION...05  
 
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