Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

TUOLUMNE MEADOWS TUM (TUMC1)

Lat: 37.87639°NLon: 119.34806°WElev: 8654.0ft.

NA

30°F

-1°C

Humidity 67%
Wind Speed SSE 1 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 20 May 12:00 AM PDT
Extended Forecast for

14 Miles WNW Tioga Pass CA

  • Overnight

    Overnight: Clear, with a steady temperature around 33. East northeast wind 5 to 10 mph.

    Low: 33 °F

    Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 57. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 57 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34. West wind around 5 mph becoming calm.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 61. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 61 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. West wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 61 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. West wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 15 mph.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63. Light and variable wind becoming west southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. West southwest wind 10 to 15 mph becoming light and variable  in the evening. Winds could gust as high as 20 mph.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a steady temperature around 33. East northeast wind 5 to 10 mph.
Wednesday
Increasing clouds, with a high near 57. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Mostly clear, with a low around 34. West wind around 5 mph becoming calm.
Thursday
Increasing clouds, with a high near 61. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 36. West wind 5 to 10 mph becoming light and variable in the evening.
Friday
Mostly sunny, with a high near 61. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 35. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 63. Light and variable wind becoming west southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 36. West southwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Sunday
A 10 percent chance of showers and thunderstorms after 11am. Snow level 10000 feet rising to 11500 feet in the afternoon. Sunny, with a high near 63. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 36. West southwest wind 5 to 10 mph becoming light and variable in the evening.
Memorial Day
Sunny, with a high near 62. Light and variable wind becoming west southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 35. South southwest wind 10 to 15 mph decreasing to 5 to 10 mph in the evening. Winds could gust as high as 25 mph.
Tuesday
Sunny, with a high near 56. Breezy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the morning. Winds could gust as high as 45 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles WNW Tioga Pass CA
 38.02°N 119.48°W (Elev. 9400 ft)
11:56 pm PDT May 19, 2026
12am PDT May 20, 2026-6pm PDT May 26, 2026
 
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Additional Resources

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