National Weather Service Forecast for: Winner Regional Airport SD
Issued by: National Weather Service Rapid City, SD
Updated: 5:23 am CDT Jun 30, 2026
 
Today

Today: Sunny, with a high near 90. West wind 7 to 9 mph, with gusts as high as 17 mph.
Sunny

 Tonight

Tonight: A slight chance of showers, then showers and possibly a thunderstorm after 1am. Low around 62. South wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Slight Chance
Showers then
Showers
 Wednesday

Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 88. South wind around 8 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.
Decreasing
Clouds

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 63. North wind around 8 mph becoming south after midnight.
Mostly Clear

 Thursday

Thursday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. Southeast wind 8 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Partly Sunny
then Chance
Showers
 Thursday
Night
Thursday Night: A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. Southeast wind 7 to 16 mph, with gusts as high as 24 mph.
Chance
T-storms then
Chance
Showers
 Friday

Friday: Mostly sunny, with a high near 91.
Mostly Sunny

 Friday
Night
Friday Night: Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.
Showers
Likely

 Independence
Day
Independence Day: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.
Mostly Cloudy
then Chance
T-storms
Hi 90 °F Lo 62 °F Hi 88 °F Lo 63 °F Hi 90 °F Lo 63 °F Hi 91 °F Lo 64 °F Hi 87 °F

 

Today
 
 Sunny, with a high near 90. West wind 7 to 9 mph, with gusts as high as 17 mph.
Tonight
 
 A slight chance of showers, then showers and possibly a thunderstorm after 1am. Low around 62. South wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday
 
 Mostly cloudy, then gradually becoming sunny, with a high near 88. South wind around 8 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
 
 Mostly clear, with a low around 63. North wind around 8 mph becoming south after midnight.
Thursday
 
 A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. Southeast wind 8 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Thursday Night
 
 A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63. Southeast wind 7 to 16 mph, with gusts as high as 24 mph.
Friday
 
 Mostly sunny, with a high near 91.
Friday Night
 
 Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.
Independence Day
 
 A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.
Saturday Night
 
 A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 61.
Sunday
 
 Mostly sunny, with a high near 88.
Sunday Night
 
 Mostly clear, with a low around 63.
Monday
 
 Mostly sunny, with a high near 90.

 

Forecast from NOAA-NWS for Winner Regional Airport SD.