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

32°F

0°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 21 Jan 09:15 PM PST
Extended Forecast for

9 Miles ESE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Southeast wind 5 to 10 mph.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 1pm.  Mostly cloudy, with a high near 32. Southwest wind around 10 mph becoming northeast in the morning.

    High: 32 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. Northwest wind 5 to 10 mph becoming southwest in the evening.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 30. Northwest wind around 10 mph.

    High: 30 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 8. Windy, with a northwest wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph.

    Low: 8 °F

    Partly Cloudy
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 21. Windy, with a north wind around 30 mph, with gusts as high as 45 mph.

    High: 21 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 5. Blustery.

    Low: 5 °F

    Mostly Clear
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 21. Southeast wind 5 to 10 mph.
Thursday
A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 32. Southwest wind around 10 mph becoming northeast in the morning.
Thursday Night
Partly cloudy, with a low around 17. Northwest wind 5 to 10 mph becoming southwest in the evening.
Friday
Mostly sunny, with a high near 30. Northwest wind around 10 mph.
Friday Night
Partly cloudy, with a low around 8. Windy, with a northwest wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph.
Saturday
Sunny, with a high near 21. Windy, with a north wind around 30 mph, with gusts as high as 45 mph.
Saturday Night
Mostly clear, with a low around 5. Blustery.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 11.
Monday
Mostly sunny, with a high near 30.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 17. Breezy.
Wednesday
Partly sunny, with a high near 35. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Mammoth Lakes CA
 37.56°N 118.87°W (Elev. 11175 ft)
9:15 pm PST Jan 21, 2026
9pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database