Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

HEBGEN LAKE (HBRM8)

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

NA

72°F

22°C

Humidity 40%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 27 Aug 11:39 AM MDT
Extended Forecast for

West Yellowstone MT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph. Winds could gust as high as 21 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am.  Mostly cloudy, with a low around 42. West southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Low: 42 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm.  Cloudy, with a high near 71. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 70%.

    High: 71 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers after 9pm.  Low around 39. South wind 5 to 7 mph.  Chance of precipitation is 80%.

    Low: 39 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after noon.  High near 65. South southwest wind 5 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%.

    High: 65 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 35. South wind 5 to 10 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%.

    Low: 35 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 65. South southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.  Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Southwest wind 11 to 16 mph becoming light south  after midnight. Winds could gust as high as 28 mph.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Light southwest wind increasing to 5 to 10 mph. Winds could gust as high as 21 mph.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 42. West southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday
Showers and thunderstorms likely before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Cloudy, with a high near 71. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms, then showers after 9pm. Low around 39. South wind 5 to 7 mph. Chance of precipitation is 80%.
Saturday
Showers, with thunderstorms also possible after noon. High near 65. South southwest wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%.
Saturday Night
Showers and possibly a thunderstorm. Low around 35. South wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 65. South southwest wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 30. Southwest wind 11 to 16 mph becoming light south after midnight. Winds could gust as high as 28 mph.
Monday
Sunny, with a high near 68.
Monday Night
A chance of showers, mainly after midnight. Mostly cloudy, with a low around 32.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 33.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
West Yellowstone MT
 44.67°N 111.09°W (Elev. 6686 ft)
7:47 am MDT Aug 27, 2026
12pm MDT Aug 27, 2026-6pm MDT Sep 2, 2026
 
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Additional Resources

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