Gusty Winds in the Mid-Atlantic and Northeast; Atmospheric River to Impact the Northwest

Gusty winds are expected from portions of the Mid-Atlantic into the Northeast through the night following the system that brought rain to the area. An atmospheric river will move into the Northwest late today into Saturday bringing moderate to heavy rainfall, mountain snow, windy conditions, and high surf to the area over the weekend. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

52°F

11°C

Humidity 35%
Wind Speed S 11 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 01 Nov 02:15 PM MDT
Extended Forecast for

Mammoth WY

  • This Afternoon

    This Afternoon: Sunny, with a high near 54. Breezy, with a south wind 15 to 18 mph, with gusts as high as 25 mph.

    High: 54 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 37. Breezy, with a south southeast wind 13 to 20 mph, with gusts as high as 28 mph.

    Low: 37 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Isolated showers between 11am and 3pm.  Partly sunny, with a high near 51. Breezy, with a south wind 8 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 20%.

    High: 51 °F

    Isolated
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. West northwest wind 5 to 7 mph becoming south southeast after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 56. South southeast wind 6 to 11 mph becoming southwest in the afternoon.

    High: 56 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after midnight.  Mostly cloudy, with a low around 39. South southwest wind around 10 mph.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm.  Mostly cloudy, with a high near 48. South southwest wind around 10 mph.  Chance of precipitation is 50%.

    High: 48 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 54. Breezy, with a south wind 15 to 18 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 37. Breezy, with a south southeast wind 13 to 20 mph, with gusts as high as 28 mph.
Sunday
Isolated showers between 11am and 3pm. Partly sunny, with a high near 51. Breezy, with a south wind 8 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 32. West northwest wind 5 to 7 mph becoming south southeast after midnight.
Monday
Partly sunny, with a high near 56. South southeast wind 6 to 11 mph becoming southwest in the afternoon.
Monday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 39. South southwest wind around 10 mph.
Tuesday
A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 48. South southwest wind around 10 mph. Chance of precipitation is 50%.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 55.
Wednesday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.
Thursday
A chance of rain and snow showers. Snow level 6800 feet. Mostly cloudy, with a high near 46.
Thursday Night
A chance of rain and snow showers. Snow level 6700 feet. Mostly cloudy, with a low around 34.
Friday
Rain and snow showers likely. Snow level 7000 feet lowering to 6500 feet in the afternoon . Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
2:48 pm MDT Nov 1, 2025
2pm MDT Nov 1, 2025-6pm MST Nov 7, 2025
 
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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