Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

HEBGEN LAKE (HBRM8)

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

NA

55°F

13°C

Humidity 53%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 10 Oct 05:39 PM MDT
Extended Forecast for

West Yellowstone MT

Winter Weather Advisory until October 12, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until October 12, 06:00am

    NOW until 6:00am Mon

    Winter Weather Advisory

  • Tonight

    Low: 30 °F

    Showers

  • Sunday

    Sunday: Rain.  High near 43. South southeast wind 5 to 7 mph becoming light and variable.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 43 °F

    Rain

  • Sunday Night

    Sunday Night: Rain before 3am, then rain, possibly mixed with snow between 3am and 4am, then snow after 4am.  Low around 23. North northeast wind 5 to 13 mph becoming west northwest after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Rain then
    Rain/Snow

  • Columbus Day

    Columbus Day: Snow likely before 10am, then rain likely, possibly mixed with snow between 10am and noon, then a chance of rain after noon.  Cloudy, with a high near 41. West wind around 6 mph becoming light and variable  in the afternoon.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before midnight, then a chance of snow.  Mostly cloudy, with a low around 21. Calm wind.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 21 °F

    Slight Chance
    Rain then
    Chance Snow

  • Tuesday

    Tuesday: A chance of snow before 9am, then a chance of rain and snow between 9am and noon, then a chance of rain after noon.  Mostly cloudy, with a high near 51. Calm wind.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 51 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain before midnight, then a slight chance of rain and snow between midnight and 3am, then a slight chance of snow after 3am.  Mostly cloudy, with a low around 19. Light northeast wind.  Chance of precipitation is 20%.

    Low: 19 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Partly Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely, then rain after midnight. Low around 30. South southwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 43. South southeast wind 5 to 7 mph becoming light and variable. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain before 3am, then rain, possibly mixed with snow between 3am and 4am, then snow after 4am. Low around 23. North northeast wind 5 to 13 mph becoming west northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Columbus Day
Snow likely before 10am, then rain likely, possibly mixed with snow between 10am and noon, then a chance of rain after noon. Cloudy, with a high near 41. West wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
A slight chance of rain before midnight, then a chance of snow. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
A chance of snow before 9am, then a chance of rain and snow between 9am and noon, then a chance of rain after noon. Mostly cloudy, with a high near 51. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night
A slight chance of rain before midnight, then a slight chance of rain and snow between midnight and 3am, then a slight chance of snow after 3am. Mostly cloudy, with a low around 19. Light northeast wind. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 53. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 17.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 19.
Saturday
Sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
West Yellowstone MT
 44.67°N 111.09°W (Elev. 6686 ft)
4:26 pm MDT Oct 10, 2026
6pm MDT Oct 10, 2026-6pm MDT Oct 17, 2026
 
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Additional Resources

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