National Weather Service

News Headlines

The Fire Weather Zones in Del Norte, Humboldt, Trinity, Mendocino, and Lake Counties will be Changing in April 2026
The Public Forecast Zones in Trinity and Lake Counties will be Changing in April 2026

Current conditions at

LYONS VALLEY (COWC1)

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

48°F

9°C

Humidity	84%
Wind Speed	NNW 8 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Wind Chill	44°F (7°C)
Last update	02 Mar 11:01 PM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

9 Miles ESE Calpella CA

Tonight
Low: 43 °F
Partly Cloudy
Tuesday
High: 62 °F
Mostly Sunny
Tuesday Night
Low: 44 °F
Mostly Cloudy
Wednesday
High: 54 °F
Chance Rain
Wednesday Night
Low: 36 °F
Mostly Clear
and Breezy
then Clear
Thursday
High: 58 °F
Sunny
Thursday Night
Low: 40 °F
Mostly Clear
Friday
High: 64 °F
Sunny
Friday Night
Low: 44 °F
Mostly Clear

Detailed Forecast

Tonight

Partly cloudy, with a low around 43. West northwest wind around 5 mph.

Tuesday

Mostly sunny, with a high near 62. Light northwest wind becoming west northwest 5 to 9 mph in the morning.

Tuesday Night

Mostly cloudy, with a low around 44. West northwest wind around 9 mph.

Wednesday

A 50 percent chance of rain. Mostly cloudy, then gradually becoming sunny, with a high near 54. West northwest wind 8 to 15 mph, with gusts as high as 30 mph. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Mostly clear, with a low around 36. Breezy, with a north northwest wind 10 to 16 mph, with gusts as high as 31 mph.

Thursday

Sunny, with a high near 58. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.

Thursday Night

Mostly clear, with a low around 40.

Friday

Sunny, with a high near 64.

Friday Night

Mostly clear, with a low around 44.

Saturday

Sunny, with a high near 71.