Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

57°F

14°C

Humidity 11%
Wind Speed ESE 6 MPH
Barometer 30.37 in (1028.45 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 08 Dec 02:35 PM PST
Extended Forecast for

9 Miles ESE Mammoth Lakes CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 43. Northwest wind around 5 mph.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. West wind around 10 mph.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 46. Northwest wind 10 to 15 mph.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. West wind around 10 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 47. Northwest wind 5 to 10 mph.

    High: 47 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 29. West wind around 10 mph.

    Low: 29 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 28.

    Low: 28 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 43. Northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 26. West wind around 10 mph.
Tuesday
Sunny, with a high near 46. Northwest wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 27. West wind around 10 mph.
Wednesday
Sunny, with a high near 47. Northwest wind 5 to 10 mph.
Wednesday Night
Clear, with a low around 29. West wind around 10 mph.
Thursday
Sunny, with a high near 48.
Thursday Night
Clear, with a low around 28.
Friday
Sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Mammoth Lakes CA
 37.56°N 118.87°W (Elev. 11175 ft)
10:30 am PST Dec 8, 2025
3pm PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database