National Weather Service

News Headlines

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 Weather Advisory until February 18, 04:00 PM PST

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

Lat: 40.97806°NLon: 124.10861°WElev: 217.0ft.

Partly Cloudy

45°F

7°C

Humidity	70%
Wind Speed	WSW 9 MPH
Barometer	29.57 in (1001.36 mb)
Dewpoint	35°F (2°C)
Visibility	10.00 mi
Wind Chill	40°F (4°C)
Last update	17 Feb 02:35 PM PST

More Information:

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

Extended Forecast for

Arcata/Eureka Airport CA

Winter Weather Advisory February 17, 02:59pm until February 18, 04:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory February 17, 02:59pm until February 18, 04:00pm
NOW until 4:00pm Wed
Winter Weather Advisory
This Afternoon
High: 46 °F
Showers
Tonight
Low: 37 °F
Showers
Wednesday
High: 47 °F
Showers
Wednesday Night
Low: 37 °F
Showers
Thursday
High: 46 °F
Rain
Thursday Night
Low: 33 °F
Rain Likely
then Chance
Rain
Friday
High: 49 °F
Chance Rain
Friday Night
Low: 41 °F
Rain Likely

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. High near 46. West southwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm. Low around 37. Southeast wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

Showers. High near 47. South wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night

Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then rain and possibly a thunderstorm after 4am. Low around 37. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Thursday

Rain. High near 46. Northwest wind 5 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 33. Northeast wind 3 to 7 mph. Chance of precipitation is 60%.

Friday

A 50 percent chance of rain. Partly sunny, with a high near 49. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

Rain likely, mainly after 10pm. Mostly cloudy, with a low around 41.

Saturday

Rain. Cloudy, with a high near 54.

Saturday Night

Rain. Cloudy, with a low around 43.

Sunday

Rain. Cloudy, with a high near 54.