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

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

48°F

9°C

Humidity 38%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 07 Feb 02:15 PM MST
Extended Forecast for

Norris WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 41. Southwest wind around 8 mph.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 21. South southwest wind 3 to 8 mph.

    Low: 21 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Isolated snow showers between 1pm and 4pm. Mostly sunny, with a high near 41. Breezy, with a south southwest wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 41 °F

    Mostly Sunny
    then Isolated
    Snow Showers
    and Breezy

  • Sunday Night

    Sunday Night: Snow showers, mainly after 11pm. Low around 27. Southwest wind around 8 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Snow Showers

  • Monday

    Monday: Snow showers. Some thunder is also possible. High near 34. West southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Snow Showers

  • Monday Night

    Monday Night: A 30 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 12. Light and variable wind.

    Low: 12 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 32. Light and variable wind.

    High: 32 °F

    Slight Chance
    Snow Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 32.

    High: 32 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 41. Southwest wind around 8 mph.
Tonight
Patchy fog between 3am and 4am. Otherwise, mostly cloudy, with a low around 21. South southwest wind 3 to 8 mph.
Sunday
Isolated snow showers between 1pm and 4pm. Mostly sunny, with a high near 41. Breezy, with a south southwest wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Sunday Night
Snow showers, mainly after 11pm. Low around 27. Southwest wind around 8 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow showers. Some thunder is also possible. High near 34. West southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday Night
A 30 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 12. Light and variable wind.
Tuesday
A 20 percent chance of snow showers after 11am. Mostly cloudy, with a high near 32. Light and variable wind.
Tuesday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 14.
Wednesday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 32.
Wednesday Night
A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 9.
Thursday
Partly sunny, with a high near 30.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
A slight chance of snow showers. Partly sunny, with a high near 30.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Norris WY
 44.72°N 110.71°W (Elev. 7585 ft)
Last Update:
2:31 pm MST Feb 7, 2026
Forecast Valid:
2pm MST Feb 7, 2026-6pm MST Feb 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation