Severe Thunderstorms for mid-Mississippi and Ohio Valley; Record Warmth and Fire Weather Concerns

Severe thunderstorms are expected later this afternoon and evening across the mid-Mississippi and Ohio Valley's. Large hail, damaging winds and a few tornadoes are all possible. Meanwhile, record warmth across the southern tier of the country continues; This will enhance fire weather conditions for the Plains. The cold front will head south on Friday with cooler temperatures east of the Rockies. Read More >

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

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

Overcast

36°F

2°C

Humidity 60%
Wind Speed N 13 G 21 mph
Barometer 30.21 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 26 Mar 4:35 pm CDT
Extended Forecast for

Long Valley SD

Fire Weather Watch March 28, 09:00am until March 28, 08:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Wind chill values as low as 18. North wind 7 to 15 mph becoming west in the evening. Winds could gust as high as 24 mph.

    Low: 26 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 50. Wind chill values as low as 15 early. Northwest wind 7 to 11 mph becoming east in the afternoon. Winds could gust as high as 17 mph.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Windy, with an east wind 11 to 16 mph becoming south 25 to 30 mph after midnight. Winds could gust as high as 39 mph.

    Low: 37 °F

    Partly Cloudy
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 74. Windy, with a south wind 22 to 32 mph becoming north 10 to 20 mph in the afternoon. Winds could gust as high as 43 mph.

    High: 74 °F

    Sunny and
    Windy then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Northeast wind around 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 76. West wind 9 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. Northeast wind around 15 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. Southeast wind 14 to 18 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain.  Mostly cloudy, with a low around 48. Breezy.

    Low: 48 °F

    Slight Chance
    Rain and
    Breezy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Wind chill values as low as 18. North wind 7 to 15 mph becoming west in the evening. Winds could gust as high as 24 mph.
Friday
Sunny, with a high near 50. Wind chill values as low as 15 early. Northwest wind 7 to 11 mph becoming east in the afternoon. Winds could gust as high as 17 mph.
Friday Night
Partly cloudy, with a low around 37. Windy, with an east wind 11 to 16 mph becoming south 25 to 30 mph after midnight. Winds could gust as high as 39 mph.
Saturday
Sunny, with a high near 74. Windy, with a south wind 22 to 32 mph becoming north 10 to 20 mph in the afternoon. Winds could gust as high as 43 mph.
Saturday Night
Partly cloudy, with a low around 40. Northeast wind around 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 76. West wind 9 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 44. Northeast wind around 15 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 78. Southeast wind 14 to 18 mph, with gusts as high as 25 mph.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 48. Breezy.
Tuesday
Mostly cloudy, with a high near 68. Breezy.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Breezy.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 52. Breezy.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Breezy.
Thursday
A chance of rain and snow. Partly sunny, with a high near 58. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Long Valley SD
 43.45°N 101.49°W (Elev. 2700 ft)
1:02 pm MDT Mar 26, 2026
3pm MDT Mar 26, 2026-6pm MDT Apr 2, 2026
 
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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