Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

Lat: 44.5174°NLon: 108.0752°WElev: 3934.0ft.

Clear

63°F

17°C

Humidity 59%
Wind Speed S 9 MPH
Barometer 29.69 in (1005.42 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Jun 08:20 AM MDT
Extended Forecast for

Manderson WY

  • Today

    Today: Sunny, with a high near 87. West northwest wind 7 to 13 mph becoming east northeast in the afternoon. Winds could gust as high as 24 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 50. Windy, with a northwest wind 15 to 25 mph, with gusts as high as 38 mph.  Chance of precipitation is 50%.

    Low: 50 °F

    Scattered
    Showers and
    Windy

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after 9am.  Partly sunny, with a high near 67. Breezy, with a northwest wind 13 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 50%.

    High: 67 °F

    Scattered
    Showers and
    Breezy then
    Scattered
    T-storms

  • Sunday Night

    Sunday Night: Isolated showers before 7pm.  Partly cloudy, with a low around 41. Breezy, with a north northwest wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 20%.

    Low: 41 °F

    Isolated
    Showers and
    Breezy then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49. East northeast wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Isolated showers after noon.  Mostly sunny, with a high near 80. Light north northwest wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 20%.

    High: 80 °F

    Mostly Sunny
    then Isolated
    Showers

  • Tuesday Night

    Tuesday Night: Isolated showers and thunderstorms.  Mostly cloudy, with a low around 52. Chance of precipitation is 20%.

    Low: 52 °F

    Isolated
    T-storms then
    Isolated
    Showers

  • Wednesday

    Wednesday: Isolated showers and thunderstorms after noon.  Mostly sunny, with a high near 81. Chance of precipitation is 20%.

    High: 81 °F

    Mostly Sunny
    then Isolated
    T-storms

Detailed Forecast

Today
Sunny, with a high near 87. West northwest wind 7 to 13 mph becoming east northeast in the afternoon. Winds could gust as high as 24 mph.
Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 50. Windy, with a northwest wind 15 to 25 mph, with gusts as high as 38 mph. Chance of precipitation is 50%.
Sunday
Scattered showers, with thunderstorms also possible after 9am. Partly sunny, with a high near 67. Breezy, with a northwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Sunday Night
Isolated showers before 7pm. Partly cloudy, with a low around 41. Breezy, with a north northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 75. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 49. East northeast wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
Isolated showers after noon. Mostly sunny, with a high near 80. Light north northwest wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Tuesday Night
Isolated showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.
Wednesday
Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 88.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Manderson WY
 44.26°N 107.95°W (Elev. 3999 ft)
7:14 am MDT Jun 21, 2025
8am MDT Jun 21, 2025-6pm MDT Jun 27, 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