National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

HEBGEN LAKE (HBRM8)

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

NA

63°F

17°C

Humidity 65%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 01 Sep 02:39 PM MDT
Extended Forecast for

West Yellowstone MT

Fire Weather Watch September 3, 12:00pm until September 3, 08:00pm
Click here for hazard details and duration
Fire Weather Watch

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 69. South southwest wind 5 to 7 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 37. South southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 70%.

    Low: 37 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between noon and 3pm. Mostly sunny, with a high near 66. Breezy, with a light and variable wind becoming south southwest 21 to 26 mph in the morning. Winds could gust as high as 37 mph. Chance of precipitation is 20%.

    High: 66 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. Breezy, with a south wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 36 mph.

    Low: 33 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Breezy, with a south southwest wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 66 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33. South southwest wind 15 to 20 mph becoming light and variable after midnight. Winds could gust as high as 32 mph.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 69. Light south southeast wind becoming south southwest 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. South southwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 23 mph.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 69. South southwest wind 5 to 7 mph.
Tonight
Showers and thunderstorms likely before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 37. South southwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 70%.
Wednesday
A slight chance of showers and thunderstorms between noon and 3pm. Mostly sunny, with a high near 66. Breezy, with a light and variable wind becoming south southwest 21 to 26 mph in the morning. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 33. Breezy, with a south wind 18 to 23 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 36 mph.
Thursday
Mostly sunny, with a high near 66. Breezy, with a south southwest wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.
Thursday Night
Partly cloudy, with a low around 33. South southwest wind 15 to 20 mph becoming light and variable after midnight. Winds could gust as high as 32 mph.
Friday
Sunny, with a high near 69. Light south southeast wind becoming south southwest 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Mostly clear, with a low around 35. South southwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 23 mph.
Saturday
Sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
A chance of showers. Partly sunny, with a high near 70.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 38.
Labor Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Yellowstone MT
 44.67°N 111.09°W (Elev. 6686 ft)
Last Update:
2:52 pm MDT Sep 1, 2026
Forecast Valid:
2pm MDT Sep 1, 2026-6pm MDT Sep 7, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation