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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

TUOLUMNE MEADOWS TUM (TUMC1)

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

NA

46°F

8°C

Humidity 92%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 17 Jun 04:00 AM PDT
Extended Forecast for

12 Miles W Conway Summit CA

  • Today

    Today: A slight chance of rain between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 73. East northeast wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Rain then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 44. West wind around 5 mph becoming east northeast after midnight.

    Low: 44 °F

    Slight Chance
    T-storms then
    Clear

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 11am. Sunny through mid morning, then becoming partly sunny, with a high near 73. East northeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 11pm. Partly cloudy, with a low around 43. West wind around 5 mph. Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers then
    Partly Cloudy

  • Juneteenth

    Juneteenth: A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 66. West southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 66 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. Breezy, with a west southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 34 °F

    Mostly Clear
    and Breezy
    then Clear

  • Saturday

    Saturday: Sunny, with a high near 65. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. West southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68. Northeast wind around 5 mph becoming west in the afternoon.

    High: 68 °F

    Sunny

Detailed Forecast

Today
A slight chance of rain between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 73. East northeast wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 20%.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 44. West wind around 5 mph becoming east northeast after midnight.
Thursday
A 50 percent chance of showers and thunderstorms after 11am. Sunny through mid morning, then becoming partly sunny, with a high near 73. East northeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of rain between 8pm and 11pm. Partly cloudy, with a low around 43. West wind around 5 mph. Chance of precipitation is 30%.
Juneteenth
A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 66. West southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 34. Breezy, with a west southwest wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Saturday
Sunny, with a high near 65. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 37. West southwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 68. Northeast wind around 5 mph becoming west in the afternoon.
Sunday Night
Mostly clear, with a low around 39. West wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 71. Northeast wind 5 to 10 mph becoming southwest in the afternoon.
Monday Night
Mostly clear, with a low around 40. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 73. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Conway Summit CA
 38.09°N 119.42°W (Elev. 9783 ft)
Last Update:
3:56 am PDT Jun 17, 2026
Forecast Valid:
4am PDT Jun 17, 2026-6pm PDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation