Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Current conditions at

South Big Horn County Airport (KGEY)

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

Clear

81°F

27°C

Humidity 39%
Wind Speed N 0 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 13 Jun 01:05 PM MDT
Extended Forecast for

Basin WY

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Some of the storms could be severe.  Mostly sunny, with a high near 91. Breezy, with a light and variable wind becoming west southwest 11 to 16 mph. Winds could gust as high as 23 mph.

    High: 91 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 56. Breezy, with a south southeast wind 11 to 16 mph becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 23 mph.

    Low: 56 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny, with a high near 92. Light and variable wind becoming southwest 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 57. Breezy, with an east wind 13 to 18 mph becoming west 5 to 10 mph in the evening. Winds could gust as high as 25 mph.

    Low: 57 °F

    Slight Chance
    Showers and
    Breezy then
    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 92. Calm wind becoming north northwest 5 to 9 mph in the afternoon.  Chance of precipitation is 20%.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. North northwest wind 5 to 10 mph.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 85. West wind 5 to 10 mph.  Chance of precipitation is 30%.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Some of the storms could be severe. Mostly sunny, with a high near 91. Breezy, with a light and variable wind becoming west southwest 11 to 16 mph. Winds could gust as high as 23 mph.
Tonight
Mostly clear, with a low around 56. Breezy, with a south southeast wind 11 to 16 mph becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 23 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 92. Light and variable wind becoming southwest 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A 20 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 57. Breezy, with an east wind 13 to 18 mph becoming west 5 to 10 mph in the evening. Winds could gust as high as 25 mph.
Sunday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 92. Calm wind becoming north northwest 5 to 9 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 57. North northwest wind 5 to 10 mph.
Monday
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 85. West wind 5 to 10 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 55.
Juneteenth
Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Basin WY
 44.39°N 108.03°W (Elev. 3858 ft)
12:43 pm MDT Jun 13, 2025
1pm MDT Jun 13, 2025-6pm MDT Jun 19, 2025
 
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Additional Resources

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