Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

80°F

27°C

Humidity 25%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Heat Index79°F (26°C)
Last update 10 Aug 04:01 AM PDT
Extended Forecast for

Lakeport CA

  • Today

    Today: Sunny and hot, with a high near 100. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 67. West wind 5 to 10 mph becoming light west southwest  in the evening.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 103. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 103 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 64. West wind 6 to 11 mph becoming light north northwest  in the evening. Winds could gust as high as 20 mph.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. West wind 5 to 10 mph becoming light west northwest  in the evening. Winds could gust as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 100. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Tonight
Mostly clear, with a low around 67. West wind 5 to 10 mph becoming light west southwest in the evening.
Monday
Sunny and hot, with a high near 103. Light and variable wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Clear, with a low around 64. West wind 6 to 11 mph becoming light north northwest in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny and hot, with a high near 100. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 59. West wind 5 to 10 mph becoming light west northwest in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 95.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Lakeport CA
 39.03°N 122.91°W (Elev. 1335 ft)
12:35 am PDT Aug 10, 2025
4am PDT Aug 10, 2025-6pm PDT Aug 16, 2025
 
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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