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

Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. 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 this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

ROCK CREEK (RCEC1)

Lat: 37.55983°NLon: 118.67841°WElev: 7103.0ft.

NA

40°F

4°C

Humidity 39%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 12 Feb 04:04 PM PST
Extended Forecast for

16 Miles ESE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 13. West wind around 5 mph.

    Low: 13 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 40. Northwest wind around 5 mph.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44. South wind 5 to 10 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. Southwest wind 5 to 10 mph.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of snow after 4pm. Mostly sunny, with a high near 39. South wind 5 to 10 mph.

    High: 39 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly after 4am. Increasing clouds, with a low around 17. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow
    then Snow
    Likely

  • Washington's Birthday

    Washington's Birthday: Snow. The snow could be heavy at times. Mostly cloudy, with a high near 33.

    High: 33 °F

    Heavy Snow

  • Monday Night

    Monday Night: Snow. Cloudy, with a low around 15.

    Low: 15 °F

    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 13. West wind around 5 mph.
Friday
Sunny, with a high near 40. Northwest wind around 5 mph.
Friday Night
Partly cloudy, with a low around 19. Calm wind.
Saturday
Mostly sunny, with a high near 44. South wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 18. Southwest wind 5 to 10 mph.
Sunday
A 10 percent chance of snow after 4pm. Mostly sunny, with a high near 39. South wind 5 to 10 mph.
Sunday Night
Snow likely, mainly after 4am. Increasing clouds, with a low around 17. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Washington's Birthday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 33.
Monday Night
Snow. Cloudy, with a low around 15.
Tuesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 29.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 10.
Wednesday
A chance of snow. Partly sunny, with a high near 30.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 10.
Thursday
A chance of snow. Partly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles ESE Mammoth Lakes CA
 37.56°N 118.69°W (Elev. 7001 ft)
Last Update:
1:16 pm PST Feb 12, 2026
Forecast Valid:
5pm PST Feb 12, 2026-6pm PST Feb 19, 2026
 
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Additional Resources

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Chance of Precipitation