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

Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

77°F

25°C

Humidity 40%
Wind Speed W 10 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Heat Index78°F (26°C)
Last update 10 Aug 08:01 PM PDT
Extended Forecast for

4 Miles NNW Lakeport CA

  • Tonight

    Tonight: Mostly clear, with a low around 59. West wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. West southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Calm wind becoming south around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, sunny, with a high near 86.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Mostly clear, with a low around 59. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 95. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 57. West southwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 55. Southwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 86. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 52.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 86.
Friday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 52.
Saturday
Areas of fog before 8am. Otherwise, sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Lakeport CA
 39.09°N 122.93°W (Elev. 1601 ft)
Last Update:
2:10 pm PDT Aug 10, 2026
Forecast Valid:
8pm PDT Aug 10, 2026-6pm PDT Aug 17, 2026
 
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Additional Resources

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