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

READER RANCH (RRRC1)

Lat: 39.30351°NLon: 121.11725°WElev: 1968.0ft.

NA

91°F

33°C

Humidity 24%
Wind Speed WSW 5 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index88°F (31°C)
Last update 21 Aug 01:13 PM PDT
Extended Forecast for

9 Miles NNW Grass Valley CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 89. Southwest wind around 6 mph.

    High: 89 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Light and variable wind.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. Light and variable wind becoming southwest around 6 mph in the afternoon.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 89. Southwest wind around 6 mph.
Tonight
Mostly clear, with a low around 61. Light and variable wind.
Saturday
Sunny, with a high near 90. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 61. Light and variable wind.
Sunday
Sunny, with a high near 91. Light and variable wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Grass Valley CA
 39.33°N 121.13°W (Elev. 2018 ft)
Last Update:
2:00 pm PDT Aug 21, 2026
Forecast Valid:
2pm PDT Aug 21, 2026-6pm PDT Aug 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation