Fire Weather Concerns in the Southern Plains and Southeast; Pacific System to Bring Unsettled Weather to the West Coast

Gusty winds and dry conditions will continue to bring elevated to critical fire weather conditions to the southern Plains and Southeast early this week. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to northern and central California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

36°F

2°C

Humidity 47%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 20 Apr 12:55 AM PDT
Extended Forecast for

10 Miles ESE Mammoth Lakes CA

Winter Storm Watch April 21, 05:00am until April 22, 05:00pm
Lake Wind Advisory April 20, 11:00am until April 20, 10:00pm
Click here for hazard details and duration
Winter Storm Watch
Lake Wind Advisory
  • Overnight

    Overnight: Partly cloudy, with a low around 32. Southwest wind around 5 mph.

    Low: 32 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63. West wind 5 to 10 mph becoming south 10 to 15 mph in the morning. Winds could gust as high as 30 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. South wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Rain showers before 2pm, then rain and snow showers. Some thunder is also possible.  Snow level 7600 feet rising to 8200 feet. High near 53. Breezy, with an east wind 5 to 10 mph becoming southwest 15 to 20 mph in the morning. Winds could gust as high as 30 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 53 °F

    Showers then
    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow showers, mainly before 11pm. Some thunder is also possible.  Low around 23. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Snow Showers
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: A 20 percent chance of snow showers before 11am.  Sunny, with a high near 49. West wind 5 to 10 mph.

    High: 49 °F

    Slight Chance
    Snow Showers
    then Sunny

  • Wednesday Night

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

    Low: 23 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 32. Southwest wind around 5 mph.
Monday
Mostly sunny, with a high near 63. West wind 5 to 10 mph becoming south 10 to 15 mph in the morning. Winds could gust as high as 30 mph.
Monday Night
Partly cloudy, with a low around 32. South wind 5 to 15 mph, with gusts as high as 30 mph.
Tuesday
Rain showers before 2pm, then rain and snow showers. Some thunder is also possible. Snow level 7600 feet rising to 8200 feet. High near 53. Breezy, with an east wind 5 to 10 mph becoming southwest 15 to 20 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow showers, mainly before 11pm. Some thunder is also possible. Low around 23. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
A 20 percent chance of snow showers before 11am. Sunny, with a high near 49. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 23.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 28.
Saturday
A slight chance of showers. Snow level 7000 feet rising to 7800 feet in the afternoon. Mostly sunny, with a high near 56.
Saturday Night
A slight chance of showers. Snow level 8100 feet lowering to 7300 feet after midnight . Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 53.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ESE Mammoth Lakes CA
 37.6°N 118.79°W (Elev. 6909 ft)
11:30 pm PDT Apr 19, 2026
1am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
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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