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

Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

91°F

33°C

Humidity 20%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Heat Index87°F (31°C)
Last update 27 Jul 01:13 PM PDT
Extended Forecast for

Penn Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. Southwest wind around 5 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 63. Light and variable wind.

    Low: 63 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 65. Light and variable wind.

    Low: 65 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 68.

    Low: 68 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 67.

    Low: 67 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 90. Southwest wind around 5 mph.
Tonight
Clear, with a low around 63. Light and variable wind.
Tuesday
Sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 65. Light and variable wind.
Wednesday
Sunny, with a high near 93. Calm wind becoming west southwest around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 68.
Thursday
Sunny, with a high near 95.
Thursday Night
Clear, with a low around 67.
Friday
Sunny and hot, with a high near 97.
Friday Night
Clear, with a low around 69.
Saturday
Sunny and hot, with a high near 98.
Saturday Night
Clear, with a low around 69.
Sunday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Penn Valley CA
 39.19°N 121.18°W (Elev. 1670 ft)
Last Update:
2:01 pm PDT Jul 27, 2026
Forecast Valid:
2pm PDT Jul 27, 2026-6pm PDT Aug 2, 2026
 
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Additional Resources

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