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

Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Partly Cloudy

46°F

8°C

Humidity 31%
Wind Speed SSW 13 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 31 Mar 02:55 AM PDT
Extended Forecast for

6 Miles ENE Mammoth Lakes CA

High Wind Watch April 1, 05:00pm until April 2, 11:00am
Winter Weather Advisory March 31, 05:00am until April 1, 05:00am
Click here for hazard details and duration
High Wind Watch
Winter Weather Advisory

  • Overnight

    Overnight: A 20 percent chance of showers. Snow level 8500 feet. Mostly cloudy, with a low around 36. West wind around 10 mph.

    Low: 36 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of rain and snow showers before 11am, then rain showers likely between 11am and 2pm, then rain and snow showers after 2pm. Snow level 8100 feet. High near 48. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow showers likely before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 28 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Wednesday

    Wednesday: A chance of snow showers before 5pm, then a chance of rain and snow showers. Partly sunny, with a high near 48. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 48 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 31. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow and
    Breezy then
    Chance Snow
    Showers

  • Thursday

    Thursday: A 20 percent chance of snow showers before 11am. Sunny, with a high near 49. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 49 °F

    Slight Chance
    Snow Showers
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Snow level 8500 feet. Mostly cloudy, with a low around 36. West wind around 10 mph.
Tuesday
A chance of rain and snow showers before 11am, then rain showers likely between 11am and 2pm, then rain and snow showers after 2pm. Snow level 8100 feet. High near 48. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
Rain and snow showers likely before 8pm, then a chance of snow showers between 8pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
A chance of snow showers before 5pm, then a chance of rain and snow showers. Partly sunny, with a high near 48. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 31. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
A 20 percent chance of snow showers before 11am. Sunny, with a high near 49. West wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 18.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 23.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ENE Mammoth Lakes CA
 37.67°N 118.89°W (Elev. 7671 ft)
Last Update:
11:30 pm PDT Mar 30, 2026
Forecast Valid:
3am PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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