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

91°F

33°C

Humidity 30%
Wind Speed WSW 13 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Heat Index89°F (32°C)
Last update 13 Jul 04:01 PM PDT
Extended Forecast for

2 Miles SSE Hopland CA

Heat Advisory July 13, 04:45pm until July 13, 11:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory July 13, 04:45pm until July 13, 11:00pm

    NOW until 11:00pm Sun

    Heat Advisory

  • Tonight

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. Calm wind becoming south southwest 5 to 9 mph in the afternoon.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 58. West southwest wind 3 to 6 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming south around 6 mph in the morning.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 61. South southwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 92. Calm wind becoming south southwest 5 to 9 mph in the afternoon.
Monday Night
Increasing clouds, with a low around 58. West southwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 54. Southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 82. Calm wind becoming south around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 87.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Hopland CA
 38.93°N 123.12°W (Elev. 1844 ft)
12:12 pm PDT Jul 13, 2025
4pm PDT Jul 13, 2025-6pm PDT Jul 20, 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