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

Top Stn/Summit (MTH03)

Lat: 37.63059°NLon: 119.03282°WElev: 11034.0ft.

NA

11°F

-12°C

Humidity 91%
Wind Speed SSW 11 MPH
Barometer NA
Dewpoint 9°F (-13°C)
Visibility NA
Wind Chill-3°F (-19°C)
Last update 12 Feb 02:25 AM PST
Extended Forecast for

3 Miles WNW Mammoth Lakes CA

  • Overnight

    Overnight: Partly cloudy, with a low around 15. Calm wind.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow showers after 1pm. Mostly sunny, with a high near 33. Northeast wind around 5 mph.

    High: 33 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. North wind around 5 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 37. Northeast wind around 5 mph.

    High: 37 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. Calm wind becoming southwest around 5 mph.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 39. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow, mainly after 4pm. Partly sunny, with a high near 35.

    High: 35 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly after 10pm. The snow could be heavy at times. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Heavy Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 15. Calm wind.
Thursday
A 20 percent chance of snow showers after 1pm. Mostly sunny, with a high near 33. Northeast wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 17. North wind around 5 mph.
Friday
Sunny, with a high near 37. Northeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 23. Calm wind becoming southwest around 5 mph.
Saturday
Mostly sunny, with a high near 39. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
A chance of snow, mainly after 4pm. Partly sunny, with a high near 35.
Sunday Night
Snow likely, mainly after 10pm. The snow could be heavy at times. Mostly cloudy, with a low around 22.
Washington's Birthday
Snow. The snow could be heavy at times. Cloudy, with a high near 28.
Monday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 19.
Tuesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 25.
Tuesday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 14.
Wednesday
A chance of snow. The snow could be heavy at times. Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Mammoth Lakes CA
 37.65°N 119.03°W (Elev. 8809 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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