Yet Another Atmospheric River in the Southwest; Snow and Blowing snow in the Upper Midwest

Heavy rain combined with rising snow levels and saturated soils may produce flooding and flash floods, including across Los Angeles and San Diego. Locally heavy rain may cause flooding into central California and central Arizona. Heavy snow will extend from California to the Rockies. A winter storm will produce hazardous travel in the Upper Midwest. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112ft.

Clear

29°F

-2°C

Humidity 63%
Wind Speed ESE 5 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 20 Mar 09:55 PM PDT
Extended Forecast for

9 Miles ESE Mammoth Lakes CA

Winter Storm Warning March 21, 05:00am until March 22, 05:00am
Click here for hazard details and duration
Winter Storm Warning
  • Tonight

    Tonight: Snow showers likely, mainly after 5am. The snow could be heavy at times.  Cloudy, with a low around 15. South wind around 5 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

    Cloudy then
    Heavy Snow

    Low: 15 °F

  • Tuesday

    Tuesday: Snow showers. The snow could be heavy at times.  High near 28. Windy, with an east wind 5 to 10 mph becoming south 25 to 35 mph in the morning. Winds could gust as high as 55 mph.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Heavy Snow
    and Windy

    High: 28 °F

  • Tuesday
    Night

    Tuesday Night: Snow showers likely, mainly before 11pm.  Mostly cloudy, with a low around 9. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the evening. Winds could gust as high as 45 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Snow Showers
    Likely and
    Windy then
    Chance Snow
    Showers

    Low: 9 °F

  • Wednesday

    Wednesday: Snow showers likely, mainly after 11am.  Mostly cloudy, with a high near 26. Breezy, with a southwest wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Snow Showers
    Likely and
    Breezy

    High: 26 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of snow showers before 11pm.  Mostly cloudy, with a low around 7. Southwest wind around 10 mph.

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

    Low: 7 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 29. West wind 10 to 15 mph.

    Mostly Sunny

    High: 29 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 8.

    Partly Cloudy

    Low: 8 °F

  • Friday

    Friday: Sunny, with a high near 28.

    Sunny

    High: 28 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 5.

    Mostly Cloudy

    Low: 5 °F

Detailed Forecast

Tonight
Snow showers likely, mainly after 5am. The snow could be heavy at times. Cloudy, with a low around 15. South wind around 5 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Tuesday
Snow showers. The snow could be heavy at times. High near 28. Windy, with an east wind 5 to 10 mph becoming south 25 to 35 mph in the morning. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Tuesday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 9. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the evening. Winds could gust as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 26. Breezy, with a southwest wind 20 to 25 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Wednesday Night
A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 7. Southwest wind around 10 mph.
Thursday
Mostly sunny, with a high near 29. West wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around 8.
Friday
Sunny, with a high near 28.
Friday Night
Mostly cloudy, with a low around 5.
Saturday
A chance of snow showers after 11am. Partly sunny, with a high near 22.
Saturday Night
A slight chance of snow showers. Mostly cloudy, with a low around 1.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 24.
Sunday Night
A slight chance of snow showers. Partly cloudy, with a low around 6.
Monday
A chance of snow showers. Partly sunny, with a high near 26.
Click Map For Forecast
Point Forecast:
9 Miles ESE Mammoth Lakes CA
 37.59°N 118.81°W (Elev. 9140 ft)
3:48 pm PDT Mar 20, 2023
10pm PDT Mar 20, 2023-6pm PDT Mar 27, 2023
 
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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