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Fire Weather Threats out West; Wintry Weather Upper Midwest to the Middle Atlantic

High pressure in the west continues to send weather systems into the Great Basin, and this is keeping fire weather threats elevated to critical across southern California. A series of weather systems will bring widespread snow from the Upper Midwest to the Middle Atlantic and Northeast, with heavier snow amounts in lake effect snow bands near the Great Lakes. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

Lat: 44.97722°NLon: 110.69528°WElev: 6127ft.

NA

18°F

-8°C

Humidity 84%
Wind Speed W 4 G 4 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Wind Chill12°F (-11°C)
Last update 14 Dec 6:15 am MST
Extended Forecast for

Mammoth WY

  • Today

    Today: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 34. South southwest wind 3 to 6 mph.

    Patchy Fog
    then Sunny

    High: 34 °F

  • Tonight

    Tonight: Increasing clouds, with a low around 13. South wind 6 to 8 mph.

    Increasing
    Clouds

    Low: 13 °F

  • Friday

    Friday: Partly sunny, with a high near 33. South wind 8 to 14 mph, with gusts as high as 20 mph.

    Partly Sunny

    High: 33 °F

  • Friday
    Night

    Friday Night: Snow likely, mainly after 11pm.  Cloudy, with a low around 23. South southwest wind 5 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Snow Likely

    Low: 23 °F

  • Saturday

    Saturday: Snow likely, mainly before 11am.  Cloudy, with a high near 28. Light and variable wind becoming north 5 to 7 mph in the afternoon.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Snow Likely

    High: 28 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 10. North northwest wind 3 to 6 mph.

    Mostly Cloudy

    Low: 10 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 25. South southwest wind 5 to 7 mph.

    Mostly Sunny

    High: 25 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of snow.  Mostly cloudy, with a low around 15.

    Slight Chance
    Snow

    Low: 15 °F

  • Monday

    Monday: A 20 percent chance of snow.  Mostly cloudy, with a high near 30.

    Slight Chance
    Snow

    High: 30 °F

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 34. South southwest wind 3 to 6 mph.
Tonight
Increasing clouds, with a low around 13. South wind 6 to 8 mph.
Friday
Partly sunny, with a high near 33. South wind 8 to 14 mph, with gusts as high as 20 mph.
Friday Night
Snow likely, mainly after 11pm. Cloudy, with a low around 23. South southwest wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday
Snow likely, mainly before 11am. Cloudy, with a high near 28. Light and variable wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 10. North northwest wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 25. South southwest wind 5 to 7 mph.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 30.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 21.
Tuesday
A slight chance of snow. Mostly cloudy, with a high near 34.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A slight chance of snow. Mostly cloudy, with a high near 36. Breezy.
Click Map For Forecast
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
6:51 am MST Dec 14, 2017
7am MST Dec 14, 2017-6pm MST Dec 20, 2017
 
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