Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Hazardous Weather Conditions

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

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

Mostly Cloudy and Breezy

57°F

14°C

Humidity 72%
Wind Speed S 22 G 33 mph
Barometer 29.79 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 11 Apr 11:15 am CDT
Extended Forecast for

Long Valley SD

  • Today

    Today: Mostly sunny, with a high near 85. Breezy, with a southwest wind 18 to 25 mph, with gusts as high as 39 mph.

    High: 85 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Isolated showers and thunderstorms between 9pm and midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 29 mph.  Chance of precipitation is 20%.

    Low: 53 °F

    Isolated
    T-storms then
    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 79. Breezy, with a west wind 14 to 22 mph, with gusts as high as 30 mph.

    High: 79 °F

    Sunny and
    Breezy then
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. West wind 9 to 14 mph becoming east in the evening.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 79. Breezy, with a west wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 79 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 46. West wind 11 to 18 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 66. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 26 mph.  Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers.  Mostly cloudy, with a low around 43. Northwest wind 9 to 16 mph becoming southwest in the evening. Winds could gust as high as 22 mph.

    Low: 43 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers.  Mostly sunny, with a high near 72.

    High: 72 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 85. Breezy, with a southwest wind 18 to 25 mph, with gusts as high as 39 mph.
Tonight
Isolated showers and thunderstorms between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 53. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 79. Breezy, with a west wind 14 to 22 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 48. West wind 9 to 14 mph becoming east in the evening.
Monday
Sunny, with a high near 79. Breezy, with a west wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 46. West wind 11 to 18 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 66. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 43. Northwest wind 9 to 16 mph becoming southwest in the evening. Winds could gust as high as 22 mph.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 75. Breezy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 33. Breezy.
Friday
A chance of rain and snow showers. Partly sunny, with a high near 49. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Long Valley SD
 43.45°N 101.49°W (Elev. 2700 ft)
7:33 am MDT Apr 11, 2026
10am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database