Heavy Snow in the Northwest; Wintry Mix from the Great Lakes to Northeast

Two cold fronts will pass through the Northwest U.S. this week with the main impact being heavy mountain snow across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain to the Upper Midwest and Great Lakes today then the Northeast U.S. tonight into Wednesday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112.0ft.

Clear

19°F

-7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 06 Jan 03:55 PM PST
Extended Forecast for

5 Miles ESE Mammoth Lakes CA

  • Tonight

    Tonight: Partly cloudy, with a low around 14. Southwest wind 5 to 15 mph.

    Low: 14 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 26. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 26 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly between 10pm and 4am.  Partly cloudy, with a low around 8. Very windy, with a southwest wind 30 to 35 mph increasing to 35 to 40 mph after midnight. Winds could gust as high as 60 mph.  Little or no snow accumulation expected.

    Low: 8 °F

    Chance Snow
    and Very
    Windy

  • Thursday

    Thursday: A 20 percent chance of snow before 10am.  Partly sunny, then gradually becoming sunny, with a high near 18. Windy, with a west wind around 30 mph becoming northwest in the afternoon. Winds could gust as high as 45 mph.

    High: 18 °F

    Windy. Slight
    Chance Snow
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 6. Windy, with a west wind 30 to 35 mph, with gusts as high as 50 mph.

    Low: 6 °F

    Mostly Clear
    and Windy

  • Friday

    Friday: Sunny, with a high near 26. Breezy, with a southwest wind 15 to 20 mph becoming east 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 26 °F

    Sunny and
    Breezy then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 14. Southwest wind 5 to 15 mph.
Wednesday
Mostly sunny, with a high near 26. Southwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 30 percent chance of snow, mainly between 10pm and 4am. Partly cloudy, with a low around 8. Very windy, with a southwest wind 30 to 35 mph increasing to 35 to 40 mph after midnight. Winds could gust as high as 60 mph. Little or no snow accumulation expected.
Thursday
A 20 percent chance of snow before 10am. Partly sunny, then gradually becoming sunny, with a high near 18. Windy, with a west wind around 30 mph becoming northwest in the afternoon. Winds could gust as high as 45 mph.
Thursday Night
Mostly clear, with a low around 6. Windy, with a west wind 30 to 35 mph, with gusts as high as 50 mph.
Friday
Sunny, with a high near 26. Breezy, with a southwest wind 15 to 20 mph becoming east 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.
Friday Night
Mostly clear, with a low around 12.
Saturday
Sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 20.
Monday
Sunny, with a high near 35. Breezy.
Monday Night
Mostly clear, with a low around 21. Breezy.
Tuesday
Sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mammoth Lakes CA
 37.58°N 118.9°W (Elev. 10617 ft)
1:15 pm PST Jan 6, 2026
4pm PST Jan 6, 2026-6pm PST Jan 13, 2026
 
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Additional Resources

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