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

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

55°F

13°C

Humidity 57%
Wind Speed SSE 6 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 03 Oct 08:15 PM MDT
Extended Forecast for

Norris WY

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 34. Light and variable wind. Chance of precipitation is 40%.

    Low: 34 °F

    Isolated
    T-storms then
    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 10am. Snow level 10700 feet lowering to 8400 feet in the afternoon . High near 43. Light north wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 43 °F

    Showers

  • Saturday Night

    Saturday Night: Rain and snow showers, becoming all snow after 1am. Low around 25. North wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Rain/Snow

  • Sunday

    Sunday: Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 40. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 17. North wind around 5 mph becoming calm in the evening.

    Low: 17 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 47. Light and variable wind.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 19. Calm wind.

    Low: 19 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 25.

    Low: 25 °F

    Clear

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 34. Light and variable wind. Chance of precipitation is 40%.
Saturday
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 10am. Snow level 10700 feet lowering to 8400 feet in the afternoon . High near 43. Light north wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Rain and snow showers, becoming all snow after 1am. Low around 25. North wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday
Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 40. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
A 30 percent chance of snow showers before midnight. Mostly cloudy, with a low around 17. North wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 47. Light and variable wind.
Monday Night
Clear, with a low around 19. Calm wind.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Clear, with a low around 25.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 26.
Thursday
Sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 27.
Friday
A slight chance of showers. Sunny, with a high near 58.
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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:
9:03 pm MDT Oct 3, 2025
Forecast Valid:
9pm MDT Oct 3, 2025-6pm MDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation