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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

CASHMAN (CHAC1)

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

NA

61°F

16°C

Humidity 40%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 21 Aug 06:47 AM PDT
Extended Forecast for

Greenville CA

  • Today

    Today: Mostly cloudy, with a high near 91. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 50. South southwest wind around 6 mph becoming calm in the evening.

    Low: 50 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Sunny, with a high near 89. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47. Southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 23 mph.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 91. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 50. South southwest wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 89. Light and variable wind becoming southwest 6 to 11 mph in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
Mostly clear, with a low around 47. Southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 23 mph.
Sunday
Sunny, with a high near 90. Calm wind becoming south southwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greenville CA
 40.14°N 120.96°W (Elev. 3599 ft)
Last Update:
2:00 am PDT Aug 21, 2026
Forecast Valid:
7am PDT Aug 21, 2026-6pm PDT Aug 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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Chance of Precipitation