Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

19°F

-7°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 13 Apr 05:55 AM PDT
Extended Forecast for

8 Miles ESE Mammoth Lakes CA

  • Today

    Today: Snow showers likely, mainly after 2pm. Some thunder is also possible.  Partly sunny, with a high near 42. Calm wind becoming northwest around 5 mph in the afternoon.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: A 20 percent chance of snow showers before 8pm.  Mostly clear, with a low around 17. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 17 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52. Calm wind becoming west around 5 mph.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. West wind around 5 mph becoming calm  in the evening.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Today
Snow showers likely, mainly after 2pm. Some thunder is also possible. Partly sunny, with a high near 42. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tonight
A 20 percent chance of snow showers before 8pm. Mostly clear, with a low around 17. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 52. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly clear, with a low around 23. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 54. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 25. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Mostly clear, with a low around 13.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 21.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ESE Mammoth Lakes CA
 37.61°N 118.82°W (Elev. 7201 ft)
4:30 am PDT Apr 13, 2026
6am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database