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

Hazardous Weather Conditions

Winter Storm Watch in effect from February 15, 10:00 AM PST until February 18, 10:00 AM PST

Current conditions at

TRINITY RIVER NEAR DOUGLAS CITY 1SW (DCYC1)

Lat: 40.64528°NLon: 122.95667°WElev: 1598ft.

N/A

Humidity	NA
Wind Speed	NA NA MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

10 Miles S Lewiston CA

Winter Storm Watch February 15, 10:00am until February 18, 10:00am

Click here for hazard details and duration

Winter Storm Watch

Overnight
Low: 35 °F
Slight Chance
Rain/Snow and
Breezy
Saturday
High: 39 °F
Chance
Rain/Snow and
Windy
Saturday Night
Low: 33 °F
Breezy.
Chance
Rain/Snow
then Snow
Likely
Sunday
High: 36 °F
Heavy Snow
and Windy
Sunday Night
Low: 31 °F
Heavy Snow
and Blustery
Washington's Birthday
High: 36 °F
Snow and
Windy
Monday Night
Low: 21 °F
Heavy Snow
and Breezy
Tuesday
High: 29 °F
Heavy Snow
and Breezy
Tuesday Night
Low: 18 °F
Snow

Detailed Forecast

Overnight

A slight chance of rain and snow. Cloudy, with a low around 35. Breezy, with a south southeast wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

Saturday

A slight chance of rain and snow before 10am, then a slight chance of snow between 10am and 4pm, then a chance of rain and snow after 4pm. Cloudy, with a high near 39. Windy, with a southeast wind 18 to 22 mph, with gusts as high as 43 mph. Chance of precipitation is 30%.

Saturday Night

A chance of rain and snow before 10pm, then snow likely. Cloudy, with a low around 33. Breezy, with an east southeast wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Sunday

Snow. The snow could be heavy at times. High near 36. Windy, with an east southeast wind 18 to 26 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

Sunday Night

Snow. The snow could be heavy at times. Low around 31. Blustery, with an east northeast wind 14 to 17 mph becoming northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Washington's Birthday

Snow, mainly before 4pm, then snow showers after 4pm. Some thunder is also possible. High near 36. Windy, with a northwest wind 17 to 24 mph becoming south in the morning. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Monday Night

Snow before 10pm, then snow showers between 10pm and 4am, then snow after 4am. The snow could be heavy at times. Some thunder is also possible. Low around 21. Breezy. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Tuesday

Snow before 10am, then snow showers between 10am and 4pm, then snow after 4pm. The snow could be heavy at times. Some thunder is also possible. Cloudy, with a high near 29. Breezy.

Tuesday Night

Snow, mainly before 10pm. Mostly cloudy, with a low around 18.

Wednesday

Snow likely, mainly after 10am. Mostly cloudy, with a high near 29.

Wednesday Night

Snow likely. Mostly cloudy, with a low around 23.

Thursday

Snow likely. Partly sunny, with a high near 32.

Thursday Night

Snow likely. Mostly cloudy, with a low around 26.

Friday

A chance of snow. Mostly cloudy, with a high near 34.