Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

66°F

19°C

Humidity 43%
Wind Speed ENE 2 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 20 Aug 04:13 AM PDT
Extended Forecast for

10 Miles NNW Grass Valley CA

  • Today

    Today: Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 91 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 60. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 60 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 61. Calm wind.
Friday
Partly sunny, with a high near 91. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 60. South southwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Grass Valley CA
 39.36°N 121.11°W (Elev. 2195 ft)
2:00 am PDT Aug 20, 2026
4am PDT Aug 20, 2026-6pm PDT Aug 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database