Dangerous Surf and Rip Currents for most of the Atlantic Shoreline; Record Heat for the West

Hurricane Erin continues to track northward. Tropical storm force winds, storm surge conditions will increase for the Outer Banks today and portions of coastal Virginia. Life-threatening surf and rip currents along much of the east coast of the U.S. this week. Major to extreme HeatRisk with new record high temperatures are expected for many areas of the western U.S. this week. Read More >

Hazardous Weather Conditions

Current conditions at

Rosebud Sioux Tribal Airport (KSUO)

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

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

5 Miles ESE Long Valley SD

  • Today

    Today: Sunny, with a high near 99. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 99 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 70. Breezy, with a southeast wind 15 to 20 mph becoming south after midnight. Winds could gust as high as 30 mph.

    Low: 70 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 98. South wind around 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after midnight.  Partly cloudy, with a low around 64. Breezy, with a north wind 10 to 20 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Slight Chance
    T-storms and
    Breezy then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and 3pm, then a chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 82. North wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Partly cloudy, with a low around 55. Northwest wind 5 to 15 mph.  Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 79. North wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. North wind 5 to 15 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 99. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 70. Breezy, with a southeast wind 15 to 20 mph becoming south after midnight. Winds could gust as high as 30 mph.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 98. South wind around 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 64. Breezy, with a north wind 10 to 20 mph, with gusts as high as 25 mph.
Friday
A chance of showers and thunderstorms before 9am, then a chance of showers between 9am and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 82. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 55. Northwest wind 5 to 15 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 79. North wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 52. North wind 5 to 15 mph.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 49.
Monday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 76.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Long Valley SD
 43.43°N 101.4°W (Elev. 2648 ft)
5:49 am MDT Aug 20, 2025
6am MDT Aug 20, 2025-6pm MDT Aug 26, 2025
 
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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