Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

WAWONA (WWNC1)

Lat: 37.53447°NLon: 119.64497°WElev: 4309.0ft.

NA

80°F

27°C

Humidity 35%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Heat Index80°F (27°C)
Last update 27 Aug 12:51 PM PDT
Extended Forecast for

14 Miles S Yosemite Valley CA

  • This Afternoon

    This Afternoon: A 20 percent chance of rain.  Mostly cloudy, with a high near 91. West southwest wind around 5 mph.

    High: 91 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 30 percent chance of rain.  Mostly cloudy, with a low around 58. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Chance Rain

  • Friday

    Friday: A chance of rain before 11am, then showers likely and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 82. Calm wind becoming west southwest around 5 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a chance of rain, mainly between 8pm and 11pm.  Cloudy, then gradually becoming partly cloudy, with a low around 55. Calm wind becoming east around 5 mph.  Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: A slight chance of rain between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm.  Sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    Rain then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. West southwest wind around 5 mph becoming calm  after midnight.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. East wind around 5 mph becoming southwest in the afternoon.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly cloudy, with a high near 91. West southwest wind around 5 mph.
Tonight
A 30 percent chance of rain. Mostly cloudy, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.
Friday
A chance of rain before 11am, then showers likely and possibly a thunderstorm between 11am and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 82. Calm wind becoming west southwest around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of rain, mainly between 8pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 55. Calm wind becoming east around 5 mph. Chance of precipitation is 40%.
Saturday
A slight chance of rain between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 53. West southwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 51. West southwest wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 82. East wind around 5 mph becoming southwest in the afternoon.
Monday Night
Mostly clear, with a low around 49. Southwest wind around 5 mph becoming east in the evening.
Tuesday
Sunny, with a high near 79. East wind around 5 mph becoming south southwest in the afternoon.
Tuesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 49. Southeast wind 5 to 10 mph becoming light and variable after midnight.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles S Yosemite Valley CA
 37.54°N 119.63°W (Elev. 4199 ft)
12:57 pm PDT Aug 27, 2026
1pm PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

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