National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Clear

46°F

8°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 46°F (8°C)
Visibility 8.00 mi
Last update 21 Jan 07:00 PM PST
Extended Forecast for

Trinidad CA

  • Tonight

    Tonight: Patchy fog before 10pm, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 51. Light and variable wind.

    High: 51 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog between 10pm and 1am. Otherwise, partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Patchy Fog

  • Friday

    Friday: Sunny, with a high near 56. Light north wind increasing to 6 to 11 mph in the morning.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. Northeast wind around 6 mph.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59. East wind around 5 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog before 10pm, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 51. Light and variable wind.
Thursday Night
Patchy fog between 10pm and 1am. Otherwise, partly cloudy, with a low around 37. Calm wind.
Friday
Sunny, with a high near 56. Light north wind increasing to 6 to 11 mph in the morning.
Friday Night
Mostly clear, with a low around 36. Northeast wind around 6 mph.
Saturday
Sunny, with a high near 59. East wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly cloudy, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
A slight chance of showers. Partly sunny, with a high near 59.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Mostly cloudy, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trinidad CA
 41.06°N 124.13°W (Elev. 305 ft)
Last Update:
1:23 pm PST Jan 21, 2026
Forecast Valid:
7pm PST Jan 21, 2026-6pm PST Jan 28, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation