Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Clear

54°F

12°C

Humidity 81%
Wind Speed NNE 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Jan 01:35 PM PST
Extended Forecast for

2 Miles ESE Trinidad CA

  • This Afternoon

    This Afternoon: Patchy fog after 4pm.  Otherwise, mostly cloudy, with a high near 50. Calm wind.

    High: 50 °F

    Patchy Fog

  • Tonight

    Tonight: Patchy fog between 10pm and 1am.  Otherwise, mostly cloudy, with a low around 38. Light east northeast wind.

    Low: 38 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog between 7am and 10am.  Otherwise, mostly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 55. Calm wind becoming north 5 to 8 mph in the morning.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. East northeast wind 3 to 5 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Patchy fog after 4pm. Otherwise, mostly cloudy, with a high near 50. Calm wind.
Tonight
Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 38. Light east northeast wind.
Thursday
Patchy fog between 7am and 10am. Otherwise, mostly sunny, with a high near 51. Calm wind.
Thursday Night
Partly cloudy, with a low around 36. Calm wind.
Friday
Sunny, with a high near 55. Calm wind becoming north 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 34. East northeast wind 3 to 5 mph.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly cloudy, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
A slight chance of showers. Partly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Trinidad CA
 41.04°N 124.09°W (Elev. 597 ft)
1:23 pm PST Jan 21, 2026
1pm PST Jan 21, 2026-6pm PST Jan 27, 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