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

LYONS VALLEY (COWC1)

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

NA

83°F

28°C

Humidity 22%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Heat Index81°F (27°C)
Last update 24 Aug 12:01 PM PDT
Extended Forecast for

5 Miles SW Lakeport CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. Southwest wind 9 to 11 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 64. West wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. West southwest wind 5 to 10 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62. West wind 6 to 9 mph becoming north northwest after midnight.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. North northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63. Northwest wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 82. Southwest wind 9 to 11 mph.
Tonight
Increasing clouds, with a low around 64. West wind 5 to 11 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 80. West southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 62. West wind 6 to 9 mph becoming north northwest after midnight.
Wednesday
Mostly sunny, with a high near 80. North northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 63. Northwest wind 8 to 11 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Lakeport CA
 38.99°N 122.99°W (Elev. 2595 ft)
Last Update:
2:10 am PDT Aug 24, 2026
Forecast Valid:
12pm PDT Aug 24, 2026-6pm PDT Aug 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation