Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

HEBGEN LAKE (HBRM8)

Lat: 44.66597°NLon: 111.09911°WElev: 6700.0ft.

NA

70°F

21°C

Humidity 46%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 19 Aug 11:39 AM MDT
Extended Forecast for

West Yellowstone MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. West southwest wind 3 to 8 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47. Light and variable wind.

    Low: 47 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 79. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    High: 79 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 42. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 42 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 79. West southwest wind 3 to 8 mph.
Tonight
Mostly clear, with a low around 38. West southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 44. Calm wind.
Friday
Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 47. Light and variable wind.
Saturday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 79. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42. Southwest wind 5 to 7 mph becoming calm in the evening.
Sunday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 39.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 39.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
West Yellowstone MT
 44.67°N 111.09°W (Elev. 6686 ft)
12:31 pm MDT Aug 19, 2026
12pm MDT Aug 19, 2026-6pm MDT Aug 25, 2026
 
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Additional Resources

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