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

Storm Surge Flooding Continues in the Outer Banks; Dangerous Heat in the West

Storm surge flooding will continue through tonight in the Outer Banks in North Carolina as Hurricane Erin continues to move away from the U.S. Wind gusts up to tropical storm force are possible along the Mid-Atlantic and southern New England coasts through Friday. A dangerous, record heat wave will continue across the Desert Southwest and the Central Valley of California through Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

LYONS VALLEY (COWC1)

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

NA

76°F

24°C

Humidity 28%
Wind Speed NW 12 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Heat Index77°F (25°C)
Last update 21 Aug 11:01 PM PDT
Extended Forecast for

3 Miles N Lakeport CA

Heat Advisory August 21, 11:31pm until August 23, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 21, 11:31pm until August 23, 11:00pm

    NOW until 11:00pm Sat

    Heat Advisory

  • Tonight

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 98. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 98 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. Southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 98. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 98 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. Southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 96 °F

    Sunny

  • Sunday Night

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

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 97.

    High: 97 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 62. Calm wind.
Friday
Sunny, with a high near 98. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 66. Southwest wind 5 to 8 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 98. Calm wind becoming south southwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 63. Southwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Sunny, with a high near 96. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 97.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Lakeport CA
 39.1°N 122.9°W (Elev. 1375 ft)
Last Update:
11:04 pm PDT Aug 21, 2025
Forecast Valid:
11pm PDT Aug 21, 2025-6pm PDT Aug 28, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation