National Weather Service Forecast for: Winner Regional Airport SD
Issued by: National Weather Service Rapid City, SD
Updated: 7:22 pm CST Feb 2, 2026
 
Tonight

Tonight: A slight chance of rain and snow before midnight, then a slight chance of snow after 2am. Mostly cloudy, with a low around 22. Northeast wind 5 to 9 mph becoming northwest in the evening. Chance of precipitation is 20%.
Slight Chance
Rain/Snow
then Slight
Chance Snow
 Tuesday

Tuesday: Mostly cloudy, with a high near 36. Wind chill values as low as 16. Northwest wind around 6 mph.
Mostly Cloudy

 Tuesday
Night
Tuesday Night: A 30 percent chance of snow. Cloudy, with a steady temperature around 31. Wind chill values as low as 19. Northwest wind 6 to 16 mph, with gusts as high as 26 mph.
Chance Snow

 Wednesday

Wednesday: Mostly cloudy, with a high near 39. Wind chill values as low as 15. Northwest wind 6 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.
Mostly Cloudy

 Wednesday
Night
Wednesday Night: Partly cloudy, with a temperature falling to near 31 by 8pm, then rising to around 36 during the remainder of the night. South wind 6 to 11 mph becoming west 13 to 18 mph after midnight. Winds could gust as high as 29 mph.
Partly Cloudy

 Thursday

Thursday: Sunny, with a high near 56. West wind 14 to 18 mph, with gusts as high as 29 mph.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 31. West wind 13 to 15 mph, with gusts as high as 24 mph.
Mostly Clear

 Friday

Friday: Mostly sunny, with a high near 43. Northwest wind 8 to 14 mph becoming east in the afternoon. Winds could gust as high as 21 mph.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 25.
Mostly Clear
Lo 22 °F Hi 36 °F Lo 31 °F Hi 39 °F Lo 31 °F⇑ Hi 56 °F Lo 31 °F Hi 43 °F Lo 25 °F

 

Tonight
 
 A slight chance of rain and snow before midnight, then a slight chance of snow after 2am. Mostly cloudy, with a low around 22. Northeast wind 5 to 9 mph becoming northwest in the evening. Chance of precipitation is 20%.
Tuesday
 
 Mostly cloudy, with a high near 36. Wind chill values as low as 16. Northwest wind around 6 mph.
Tuesday Night
 
 A 30 percent chance of snow. Cloudy, with a steady temperature around 31. Wind chill values as low as 19. Northwest wind 6 to 16 mph, with gusts as high as 26 mph.
Wednesday
 
 Mostly cloudy, with a high near 39. Wind chill values as low as 15. Northwest wind 6 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
 
 Partly cloudy, with a temperature falling to near 31 by 8pm, then rising to around 36 during the remainder of the night. South wind 6 to 11 mph becoming west 13 to 18 mph after midnight. Winds could gust as high as 29 mph.
Thursday
 
 Sunny, with a high near 56. West wind 14 to 18 mph, with gusts as high as 29 mph.
Thursday Night
 
 Mostly clear, with a low around 31. West wind 13 to 15 mph, with gusts as high as 24 mph.
Friday
 
 Mostly sunny, with a high near 43. Northwest wind 8 to 14 mph becoming east in the afternoon. Winds could gust as high as 21 mph.
Friday Night
 
 Mostly clear, with a low around 25.
Saturday
 
 Mostly sunny, with a high near 49.
Saturday Night
 
 Partly cloudy, with a low around 26.
Sunday
 
 Mostly sunny, with a high near 50.
Sunday Night
 
 Partly cloudy, with a low around 30.
Monday
 
 Mostly sunny, with a high near 55.

 

Forecast from NOAA-NWS for Winner Regional Airport SD.