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

Lake Effect Snow in the Lower Great Lakes; Rain and High Elevation Snow in the West

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest Thursday afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

16°F

-9°C

Humidity 66%
Wind Speed SSE 3 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 12 Feb 01:55 AM PST
Extended Forecast for

12 Miles SE Mammoth Lakes CA

  • Overnight

    Overnight: Mostly clear, with a low around 4. Southwest wind around 10 mph.

    Low: 4 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of snow showers after 1pm. Mostly sunny, with a high near 20. East wind around 10 mph becoming north in the afternoon.

    High: 20 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 6. Northeast wind 10 to 15 mph.

    Low: 6 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 25. North wind around 10 mph.

    High: 25 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 12. Southwest wind 5 to 10 mph.

    Low: 12 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 28. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 28 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 13. Breezy.

    Low: 13 °F

    Mostly Cloudy
    and Breezy

  • Sunday

    Sunday: A chance of snow, mainly after 4pm. Partly sunny, with a high near 24. Breezy.

    High: 24 °F

    Chance Snow
    and Breezy

  • Sunday Night

    Sunday Night: A chance of snow. The snow could be heavy at times. Mostly cloudy, with a low around 12. Breezy.

    Low: 12 °F

    Heavy Snow
    and Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 4. Southwest wind around 10 mph.
Thursday
A 20 percent chance of snow showers after 1pm. Mostly sunny, with a high near 20. East wind around 10 mph becoming north in the afternoon.
Thursday Night
Partly cloudy, with a low around 6. Northeast wind 10 to 15 mph.
Friday
Sunny, with a high near 25. North wind around 10 mph.
Friday Night
Mostly clear, with a low around 12. Southwest wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 28. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 13. Breezy.
Sunday
A chance of snow, mainly after 4pm. Partly sunny, with a high near 24. Breezy.
Sunday Night
A chance of snow. The snow could be heavy at times. Mostly cloudy, with a low around 12. Breezy.
Washington's Birthday
Snow. The snow could be heavy at times. Cloudy, with a high near 18. Breezy.
Monday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 9. Windy.
Tuesday
Snow. The snow could be heavy at times. Cloudy, with a high near 14. Very windy.
Tuesday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 5. Windy.
Wednesday
A chance of snow. The snow could be heavy at times. Partly sunny, with a high near 15. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SE Mammoth Lakes CA
 37.5°N 118.85°W (Elev. 11572 ft)
Last Update:
1:53 am PST Feb 12, 2026
Forecast Valid:
2am PST Feb 12, 2026-6pm PST Feb 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation