Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

88°F

31°C

Humidity 16%
Wind Speed ESE 7 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Heat Index84°F (29°C)
Last update 04 Oct 01:01 PM PDT
Extended Forecast for

5 Miles SW Lakeport CA

Heat Advisory October 4, 01:50pm until October 5, 11:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory October 4, 01:50pm until October 5, 11:00pm

    NOW until 11:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 89 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 73. West wind around 5 mph becoming calm  after midnight.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 73. West wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 73 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73. West wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 72.

    Low: 72 °F

    Clear

Detailed Forecast

This Afternoon
Cloudy, then gradually becoming mostly sunny, with a high near 89. Light and variable wind becoming south southwest around 5 mph.
Tonight
Mostly clear, with a low around 73. West wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 90. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 73. West wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 89. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
Clear, with a low around 73. West wind 5 to 10 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Clear, with a low around 72.
Thursday
Sunny, with a high near 87.
Thursday Night
Clear, with a low around 69.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 71.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Lakeport CA
 38.99°N 122.99°W (Elev. 2595 ft)
1:34 pm PDT Oct 4, 2026
1pm PDT Oct 4, 2026-6pm PDT Oct 10, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database