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

28°F

-2°C

Humidity 64%
Wind Speed E 0 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 20 May 02:00 AM PDT
Extended Forecast for

11 Miles W Conway Summit CA

  • Overnight

    Overnight: Clear, with a low around 23. Northeast wind around 5 mph.

    Low: 23 °F

    Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 53. West wind 5 to 10 mph.

    High: 53 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 27. West wind 5 to 10 mph becoming east northeast after midnight.

    Low: 27 °F

    Decreasing
    Clouds

  • Thursday

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

    High: 57 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. West wind 5 to 10 mph becoming south in the evening. Winds could gust as high as 15 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 23. Northeast wind around 5 mph.
Wednesday
Increasing clouds, with a high near 53. West wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 27. West wind 5 to 10 mph becoming east northeast after midnight.
Thursday
Increasing clouds, with a high near 57. East wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 30. West wind 5 to 10 mph becoming south in the evening. Winds could gust as high as 15 mph.
Friday
Mostly sunny, with a high near 56. West wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly clear, with a low around 29. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 58. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 30. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
A 10 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 58. West southwest wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 30. West wind 5 to 10 mph, with gusts as high as 15 mph.
Memorial Day
Sunny, with a high near 57. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 29. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 52. Windy, with a southwest wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 50 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles W Conway Summit CA
 38.08°N 119.38°W (Elev. 11601 ft)
1:56 am PDT May 20, 2026
2am PDT May 20, 2026-6pm PDT May 26, 2026
 
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Additional Resources

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