Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

LYONS VALLEY (COWC1)

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

NA

85°F

29°C

Humidity 19%
Wind Speed SSE 7 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Heat Index82°F (28°C)
Last update 17 Aug 04:01 PM PDT
Extended Forecast for

4 Miles N Hopland CA

  • Tonight

    Tonight: Increasing clouds, with a low around 56. West wind 5 to 9 mph becoming calm  in the evening.

    Low: 56 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 94. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 94 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. North northwest wind 3 to 8 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. North northwest wind 5 to 9 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 89. North northwest wind 5 to 8 mph becoming west in the morning.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 56. West wind 5 to 9 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 94. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 57. North northwest wind 3 to 8 mph.
Wednesday
Sunny, with a high near 93. Calm wind becoming west 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. North northwest wind 5 to 9 mph, with gusts as high as 18 mph.
Thursday
Mostly sunny, with a high near 89. North northwest wind 5 to 8 mph becoming west in the morning.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Hopland CA
 39.02°N 123.12°W (Elev. 955 ft)
2:10 pm PDT Aug 17, 2026
4pm PDT Aug 17, 2026-6pm PDT Aug 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database