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

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Overcast

28°F

-2°C

Humidity 79%
Wind Speed N 3 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 21 Jan 07:55 PM PST
Extended Forecast for

8 Miles ESE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 40. Calm wind becoming northwest around 5 mph.

    High: 40 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 37. Calm wind becoming north around 5 mph in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19. Northwest wind 5 to 10 mph.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 29. North wind around 15 mph, with gusts as high as 30 mph.

    High: 29 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. Calm wind.
Thursday
A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 40. Calm wind becoming northwest around 5 mph.
Thursday Night
Partly cloudy, with a low around 28. Calm wind.
Friday
Mostly sunny, with a high near 37. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 19. Northwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 29. North wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 17.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 24.
Tuesday
Sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ESE Mammoth Lakes CA
 37.59°N 118.84°W (Elev. 8307 ft)
Last Update:
1:15 pm PST Jan 21, 2026
Forecast Valid:
8pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation