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

63°F

17°C

Humidity 28%
Wind Speed WNW 15 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 19 May 09:01 PM PDT
Extended Forecast for

5 Miles NE Hopland CA

  • Tonight

    Tonight: Mostly clear, with a low around 64. North wind 5 to 7 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. West southwest wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Light and variable wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 66. West southwest wind 6 to 11 mph becoming light and variable  in the evening. Winds could gust as high as 21 mph.

    Low: 66 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 81. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 64. North wind 5 to 7 mph.
Wednesday
Sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 66. West southwest wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 82. Light and variable wind becoming south southwest 5 to 9 mph in the afternoon.
Thursday Night
Clear, with a low around 66. West southwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 81. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 55.
Memorial Day
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Hopland CA
 39.01°N 123.03°W (Elev. 2598 ft)
3:04 pm PDT May 19, 2026
9pm PDT May 19, 2026-6pm PDT May 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database