Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Hazardous Weather Conditions

Current conditions at

LYONS VALLEY (COWC1)

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

NA

90°F

32°C

Humidity 32%
Wind Speed WSW 14 MPH
Barometer NA
Dewpoint 56°F (13°C)
Visibility NA
Heat Index88°F (31°C)
Last update 13 Jul 03:01 PM PDT
Extended Forecast for

5 Miles SSE Hopland CA

Heat Advisory July 13, 03:44pm until July 13, 11:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory July 13, 03:44pm until July 13, 11:00pm

    NOW until 11:00pm Sun

    Heat Advisory

  • Tonight

    Low: 58 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 95. Calm wind becoming south 5 to 9 mph in the morning.

    High: 95 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 56. South wind 5 to 7 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 11am.  Otherwise, sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 85.

    High: 85 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Tonight
Increasing clouds, with a low around 58. South wind 5 to 9 mph becoming light after midnight.
Monday
Partly sunny, then gradually becoming sunny, with a high near 95. Calm wind becoming south 5 to 9 mph in the morning.
Monday Night
Increasing clouds, with a low around 56. South wind 5 to 7 mph.
Tuesday
Sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 52. Southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Patchy fog before 11am. Otherwise, sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 53.
Thursday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 85.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 53.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Hopland CA
 38.91°N 123.09°W (Elev. 968 ft)
12:12 pm PDT Jul 13, 2025
3pm PDT Jul 13, 2025-6pm PDT Jul 20, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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