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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

TUOLUMNE MEADOWS TUM (TUMC1)

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

NA

66°F

19°C

Humidity 65%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 17 Jun 07:00 PM PDT
Extended Forecast for

10 Miles WSW Conway Summit CA

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 41. West wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly between 11am and 5pm. Increasing clouds, with a high near 68. Northeast wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 68 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of rain between 8pm and 11pm. Partly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Juneteenth

    Juneteenth: A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 62. Light southwest wind becoming west southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 62 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. 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: 32 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 61. Light west southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 34. West southwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 34 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 64. North wind around 5 mph becoming west in the afternoon.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. West wind 5 to 10 mph becoming north after midnight.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 41. West wind around 5 mph becoming calm in the evening.
Thursday
A 40 percent chance of showers and thunderstorms, mainly between 11am and 5pm. Increasing clouds, with a high near 68. Northeast wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of rain between 8pm and 11pm. Partly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Juneteenth
A 10 percent chance of showers and thunderstorms after 11am. Sunny, with a high near 62. Light southwest wind becoming west southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 32. 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 61. Light west southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Clear, with a low around 34. West southwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 64. North wind around 5 mph becoming west in the afternoon.
Sunday Night
Mostly clear, with a low around 37. West wind 5 to 10 mph becoming north after midnight.
Monday
Sunny, with a high near 67. North northeast wind around 5 mph becoming west southwest in the afternoon.
Monday Night
Mostly clear, with a low around 38. West wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 69. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 39. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 69. West southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Conway Summit CA
 38.06°N 119.35°W (Elev. 10830 ft)
Last Update:
6:56 pm PDT Jun 17, 2026
Forecast Valid:
7pm PDT Jun 17, 2026-6pm PDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation