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

CASHMAN (CHAC1)

Lat: 40.00194°NLon: 120.915°WElev: 4478.0ft.

NA

92°F

33°C

Humidity 14%
Wind Speed SW 19 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Heat Index88°F (31°C)
Last update 27 Aug 02:47 PM PDT
Extended Forecast for

5 Miles S Greenville CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. Southwest wind 8 to 13 mph becoming light south  after midnight. Winds could gust as high as 22 mph.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 72. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 72 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 49. South southwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 49 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Sunny, with a high near 75. Light and variable wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 45. Southwest wind 8 to 13 mph becoming light and variable  in the evening. Winds could gust as high as 22 mph.

    Low: 45 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 57. Southwest wind 8 to 13 mph becoming light south after midnight. Winds could gust as high as 22 mph.
Friday
A 40 percent chance of rain, mainly before 11am. Partly sunny, with a high near 72. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 49. South southwest wind 5 to 8 mph becoming calm in the evening.
Saturday
Sunny, with a high near 75. Light and variable wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Clear, with a low around 45. Southwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Sunday
Sunny, with a high near 77.
Sunday Night
Clear, with a low around 45.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 69.
Wednesday Night
A slight chance of rain. Mostly clear, with a low around 44.
Thursday
A slight chance of rain. Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Greenville CA
 40.06°N 120.93°W (Elev. 4990 ft)
2:00 pm PDT Aug 27, 2026
3pm PDT Aug 27, 2026-6pm PDT Sep 3, 2026
 
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Additional Resources

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