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

Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

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

Partly Cloudy

41°F

5°C

Humidity 36%
Wind Speed NE 10 mph
Barometer 30.09 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 31 Mar 4:55 pm CDT
Extended Forecast for

Saint Francis SD

  • Tonight

    Tonight: A 50 percent chance of snow after 7pm. Cloudy, with a low around 28. Breezy, with an east wind 16 to 23 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.

    Low: 28 °F

    Chance Snow
    and Breezy

  • Wednesday

    Wednesday: Snow likely before 1pm, then rain, possibly mixed with snow. High near 42. Wind chill values as low as 15. Breezy, with a southeast wind 23 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Breezy. Snow
    Likely then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, possibly mixed with rain, becoming all snow after 10pm. Low around 27. Wind chill values as low as 19. Breezy, with an east wind 13 to 21 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Rain/Snow and
    Breezy then
    Snow

  • Thursday

    Thursday: A chance of snow before noon, then a chance of rain and snow between noon and 1pm, then a slight chance of rain after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 48. Wind chill values as low as 17 early. North wind 10 to 16 mph becoming east in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 48 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Snow likely, possibly mixed with rain before 1am, then snow. Low around 26. Breezy, with an east wind 17 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow and
    Breezy

  • Friday

    Friday: Snow. High near 40. Breezy, with a northeast wind 16 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 40 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: Snow likely, mainly before 1am. Cloudy, with a low around 22. Blustery, with a northwest wind 26 to 29 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.

    Low: 22 °F

    Snow Likely
    and Blustery

  • Saturday

    Saturday: A slight chance of snow before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 43. Windy, with a northwest wind 28 to 33 mph, with gusts as high as 43 mph.

    High: 43 °F

    Slight Chance
    Snow and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 22. Blustery.

    Low: 22 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

Detailed Forecast

Tonight
A 50 percent chance of snow after 7pm. Cloudy, with a low around 28. Breezy, with an east wind 16 to 23 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.
Wednesday
Snow likely before 1pm, then rain, possibly mixed with snow. High near 42. Wind chill values as low as 15. Breezy, with a southeast wind 23 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow, possibly mixed with rain, becoming all snow after 10pm. Low around 27. Wind chill values as low as 19. Breezy, with an east wind 13 to 21 mph becoming north after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before noon, then a chance of rain and snow between noon and 1pm, then a slight chance of rain after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 48. Wind chill values as low as 17 early. North wind 10 to 16 mph becoming east in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely, possibly mixed with rain before 1am, then snow. Low around 26. Breezy, with an east wind 17 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
Snow. High near 40. Breezy, with a northeast wind 16 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Friday Night
Snow likely, mainly before 1am. Cloudy, with a low around 22. Blustery, with a northwest wind 26 to 29 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.
Saturday
A slight chance of snow before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 43. Windy, with a northwest wind 28 to 33 mph, with gusts as high as 43 mph.
Saturday Night
Mostly clear, with a low around 22. Blustery.
Sunday
Sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 60. Breezy.
Monday Night
Mostly cloudy, with a low around 28. Blustery.
Tuesday
Partly sunny, with a high near 57. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Francis SD
 43.15°N 100.9°W (Elev. 2999 ft)
Last Update:
4:53 pm CDT Mar 31, 2026
Forecast Valid:
5pm CDT Mar 31, 2026-6pm CDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation