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

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Current conditions at

LYONS VALLEY (COWC1)

Lat: 39.12583°NLon: 123.07333°WElev: 3355.0ft.

NA

80°F

27°C

Humidity 31%
Wind Speed W 16 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Heat Index79°F (26°C)
Last update 28 Jul 04:01 PM PDT
Extended Forecast for

10 Miles SE Potter Valley CA

  • Tonight

    Tonight: Clear, with a low around 56. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. West wind 5 to 10 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Light north northwest wind becoming west 5 to 9 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56. West wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 22 mph.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 92. North wind 5 to 7 mph becoming west in the morning.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 56. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 86. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 55. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 88. Light north northwest wind becoming west 5 to 9 mph in the afternoon.
Thursday Night
Clear, with a low around 56. West wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 22 mph.
Friday
Sunny, with a high near 92. North wind 5 to 7 mph becoming west in the morning.
Friday Night
Clear, with a low around 58.
Saturday
Sunny, with a high near 91.
Saturday Night
Clear, with a low around 58.
Sunday
Sunny, with a high near 92.
Sunday Night
Clear, with a low around 60.
Monday
Sunny, with a high near 95.
Monday Night
Clear, with a low around 62.
Tuesday
Sunny, with a high near 95.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SE Potter Valley CA
 39.22°N 123°W (Elev. 2201 ft)
Last Update:
2:10 pm PDT Jul 28, 2026
Forecast Valid:
4pm PDT Jul 28, 2026-6pm PDT Aug 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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