National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

Lat: 43.26°NLon: 100.86°WElev: 2724ft.

Fair

88°F

31°C

Humidity 52%
Wind Speed SE 18 G 26 mph
Barometer 29.83 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 28 Aug 3:55 pm CDT
Extended Forecast for

Mission SD

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 7pm and 10pm. Mostly cloudy, with a low around 66. South wind 9 to 16 mph becoming southwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 92. West wind 8 to 10 mph, with gusts as high as 17 mph.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 66. West wind 8 to 13 mph becoming southeast in the evening. Winds could gust as high as 20 mph.

    Low: 66 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 92. West wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62. Southwest wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 18 mph.

    Low: 62 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 84. Northwest wind 10 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 86.

    High: 86 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 7pm and 10pm. Mostly cloudy, with a low around 66. South wind 9 to 16 mph becoming southwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 92. West wind 8 to 10 mph, with gusts as high as 17 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 66. West wind 8 to 13 mph becoming southeast in the evening. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 92. West wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 62. Southwest wind 10 to 13 mph becoming northwest after midnight. Winds could gust as high as 18 mph.
Monday
Mostly sunny, with a high near 84. Northwest wind 10 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 86.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Wednesday
Sunny, with a high near 91.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 88.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 64.
Friday
Sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mission SD
 43.31°N 100.65°W (Elev. 2585 ft)
Last Update:
3:26 pm CDT Aug 28, 2026
Forecast Valid:
4pm CDT Aug 28, 2026-6pm CDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation