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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Hazardous Weather Conditions

Current conditions at

West Yellowstone (KWYS)

Lat: 44.68333°NLon: 111.11667°WElev: 6644.0ft.

Clear

70°F

21°C

Humidity 21%
Wind Speed S 12 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 04 Oct 01:35 PM MDT
Extended Forecast for

2 Miles NNW West Yellowstone MT

Red Flag Warning October 5, 10:00am until October 5, 08:00pm
Click here for hazard details and duration
Red Flag Warning

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. Calm wind becoming southwest 5 to 7 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. South southwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 76. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. Southwest wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. Light and variable wind.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 34. Calm wind.

    Low: 34 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 74. Calm wind becoming southwest 5 to 7 mph.
Tonight
Mostly clear, with a low around 36. South southwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 76. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 36. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 74. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 36. Light and variable wind.
Wednesday
Sunny, with a high near 72. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 34. Calm wind.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 37.
Saturday
A slight chance of rain. Partly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW West Yellowstone MT
 44.69°N 111.13°W (Elev. 6650 ft)
Last Update:
12:31 pm MDT Oct 4, 2026
Forecast Valid:
1pm MDT Oct 4, 2026-6pm MDT Oct 10, 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