Showers and Storms in the East; Dangerously Hot and Dry in the West

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Hazardous Weather Conditions

Current conditions at

LYONS VALLEY (COWC1)

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

NA

92°F

33°C

Humidity 17%
Wind Speed SSE 2 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Heat Index88°F (31°C)
Last update 08 Aug 10:01 AM PDT
Extended Forecast for

4 Miles NNW Hopland CA

Heat Advisory August 8, 10:24am until August 9, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 8, 10:24am until August 9, 10:00pm

    NOW until 10:00pm Sun

    Heat Advisory

  • Today

    High: 106 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 63. North northwest wind around 9 mph.

    Low: 63 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 103. North northwest wind 5 to 8 mph.

    High: 103 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. Northwest wind 6 to 11 mph becoming light north northwest  after midnight.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 101. Light and variable wind.

    High: 101 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 59. Northwest wind around 6 mph becoming light and variable  after midnight.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 106. Calm wind becoming west 5 to 8 mph in the afternoon.
Tonight
Clear, with a low around 63. North northwest wind around 9 mph.
Sunday
Sunny and hot, with a high near 103. North northwest wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 60. Northwest wind 6 to 11 mph becoming light north northwest after midnight.
Monday
Sunny and hot, with a high near 101. Light and variable wind.
Monday Night
Mostly clear, with a low around 59. Northwest wind around 6 mph becoming light and variable after midnight.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 98.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 93.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 56.
Friday
Patchy fog. Otherwise, sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Hopland CA
 39.03°N 123.15°W (Elev. 597 ft)
10:05 am PDT Aug 8, 2026
10am PDT Aug 8, 2026-6pm PDT Aug 14, 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