National Weather Service

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SCN26-50: Discontinuation of the State Forecast Product (SFP) for all NWS Central Region, Southern Region, and Western Region Offices: Effective June 29, 2026
The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will now be discontinued on July 7, 2026.

Current conditions at

HEBGEN LAKE (HBRM8)

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

66°F

19°C

Humidity	22%
Wind Speed	WNW 2 MPH
Barometer	NA
Dewpoint	26°F (-3°C)
Visibility	NA
Last update	18 Jun 11:39 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

West Yellowstone MT

This Afternoon
High: 75 °F
Sunny
Tonight
Low: 36 °F
Increasing
Clouds
Juneteenth
High: 81 °F
Partly Sunny
Friday Night
Low: 42 °F
Mostly Cloudy
Saturday
High: 70 °F
Chance
Showers then
Showers
Saturday Night
Low: 37 °F
Showers
Likely then
Mostly Cloudy
Sunday
High: 72 °F
Slight Chance
Showers then
Chance
T-storms
Sunday Night
Low: 34 °F
Slight Chance
T-storms then
Partly Cloudy
Monday
High: 72 °F
Sunny

Detailed Forecast

This Afternoon

Sunny, with a high near 75. West wind 7 to 10 mph, with gusts as high as 24 mph.

Tonight

Increasing clouds, with a low around 36. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 24 mph.

Juneteenth

Partly sunny, with a high near 81. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Winds could gust as high as 18 mph.

Friday Night

Mostly cloudy, with a low around 42. Southwest wind around 5 mph becoming calm in the evening.

Saturday

A chance of showers, then showers and possibly a thunderstorm after noon. High near 70. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 90%.

Saturday Night

Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 37. Light and variable wind. Chance of precipitation is 70%.

Sunday

A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

Sunday Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 34. West wind around 6 mph becoming calm in the evening.

Monday

Sunny, with a high near 72.

Monday Night

Mostly clear, with a low around 35.

Tuesday

Sunny, with a high near 78.

Tuesday Night

Mostly clear, with a low around 40.

Wednesday

Mostly sunny, with a high near 78.