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

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

97°F

36°C

Humidity 14%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Heat Index92°F (33°C)
Last update 24 Aug 04:13 PM PDT
Extended Forecast for

2 Miles SSE Penn Valley CA

  • Tonight

    Tonight: Mostly clear, with a low around 67. South southwest wind around 6 mph becoming calm in the evening.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68. Light and variable wind.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 67. South southwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 68. Light and variable wind.
Wednesday
Sunny, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 66. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 91.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 86.
Saturday Night
Clear, with a low around 59.
Sunday
Sunny, with a high near 85.
Sunday Night
Clear, with a low around 58.
Monday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Penn Valley CA
 39.17°N 121.18°W (Elev. 1621 ft)
Last Update:
2:00 pm PDT Aug 24, 2026
Forecast Valid:
4pm PDT Aug 24, 2026-6pm PDT Aug 31, 2026
 
Forecast Discussion
 
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Additional Resources

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