Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Overcast

27°F

-3°C

Humidity 73%
Wind Speed W 8 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 12 Feb 07:35 PM PST
Extended Forecast for

10 Miles ENE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 6. Calm wind.

    Low: 6 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 38. Calm wind.

    High: 38 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 11. Calm wind.

    Low: 11 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 10 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of snow after 4pm.  Mostly cloudy, then gradually becoming sunny, with a high near 38. South wind around 5 mph.

    High: 38 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly after 4am.  Partly cloudy, with a low around 11. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 11 °F

    Chance Snow
    then Snow
    Likely

  • Washington's Birthday

    Washington's Birthday: Snow.  Cloudy, with a high near 31.

    High: 31 °F

    Snow

  • Monday Night

    Monday Night: Snow.  Cloudy, with a low around 9.

    Low: 9 °F

    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 6. Calm wind.
Friday
Sunny, with a high near 38. Calm wind.
Friday Night
Partly cloudy, with a low around 11. Calm wind.
Saturday
Mostly sunny, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 10. Southwest wind around 5 mph.
Sunday
A 10 percent chance of snow after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 38. South wind around 5 mph.
Sunday Night
Snow likely, mainly after 4am. Partly cloudy, with a low around 11. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Washington's Birthday
Snow. Cloudy, with a high near 31.
Monday Night
Snow. Cloudy, with a low around 9.
Tuesday
Snow. The snow could be heavy at times. Cloudy, with a high near 27.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 4.
Wednesday
A chance of snow. Partly sunny, with a high near 28.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 4.
Thursday
Snow likely. Mostly cloudy, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ENE Mammoth Lakes CA
 37.69°N 118.78°W (Elev. 6916 ft)
1:16 pm PST Feb 12, 2026
7pm PST Feb 12, 2026-6pm PST Feb 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database