Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

65°F

18°C

Humidity 25%
Wind Speed W 12 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 19 May 08:01 PM PDT
Extended Forecast for

9 Miles N Lakeport CA

  • Tonight

    Tonight: Mostly clear, with a low around 51. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. West southwest wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 21 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 54. West southwest wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 54 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 90. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. West southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 91. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
Clear, with a low around 54. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 90. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Friday Night
Clear, with a low around 51.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 48.
Memorial Day
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles N Lakeport CA
 39.18°N 122.96°W (Elev. 1391 ft)
3:04 pm PDT May 19, 2026
8pm PDT May 19, 2026-6pm PDT May 26, 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