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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. this week. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England today. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

73°F

23°C

Humidity 27%
Wind Speed NW 15 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 29 Jul 09:01 AM PDT
Extended Forecast for

10 Miles NNW Lakeport CA

  • Today

    Today: Sunny, with a high near 90. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 57. Northwest wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 92. West northwest wind 8 to 11 mph.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 58. North northwest wind 8 to 14 mph, with gusts as high as 21 mph.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 96. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 59. North northwest wind around 10 mph, with gusts as high as 21 mph.

    Low: 59 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 97.

    High: 97 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 90. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 57. Northwest wind 10 to 13 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 92. West northwest wind 8 to 11 mph.
Thursday Night
Clear, with a low around 58. North northwest wind 8 to 14 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 96. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.
Friday Night
Clear, with a low around 59. North northwest wind around 10 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 97.
Sunday Night
Clear, with a low around 62.
Monday
Sunny, with a high near 98.
Monday Night
Clear, with a low around 63.
Tuesday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Lakeport CA
 39.17°N 122.98°W (Elev. 1998 ft)
Last Update:
2:10 am PDT Jul 29, 2026
Forecast Valid:
10am PDT Jul 29, 2026-6pm PDT Aug 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation