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

Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

NA

42°F

6°C

Humidity 69%
Wind Speed S 15 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 10 Dec 02:15 PM MST
Extended Forecast for

Gardiner MT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 48. South southeast wind around 10 mph.

    High: 48 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. South southeast wind around 11 mph.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers, mainly after 3pm. Mostly cloudy, with a high near 45. South wind around 9 mph.

    High: 45 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely. Cloudy, with a low around 39. South southwest wind around 9 mph. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 48. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 48 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 48. South southwest wind 6 to 8 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 48. South southeast wind around 10 mph.
Tonight
Mostly cloudy, with a low around 37. South southeast wind around 11 mph.
Thursday
A 50 percent chance of showers, mainly after 3pm. Mostly cloudy, with a high near 45. South wind around 9 mph.
Thursday Night
Showers likely. Cloudy, with a low around 39. South southwest wind around 9 mph. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 48. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 33. South southwest wind around 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 48. South southwest wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 49.
Monday Night
A slight chance of rain and snow showers. Snow level 6000 feet. Mostly cloudy, with a low around 34.
Tuesday
A chance of rain and snow showers. Snow level 5900 feet rising to 6600 feet in the afternoon. Partly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gardiner MT
 45.03°N 110.7°W (Elev. 5400 ft)
Last Update:
2:33 pm MST Dec 10, 2025
Forecast Valid:
3pm MST Dec 10, 2025-6pm MST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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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