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

Eureka WFO (EKA01)

Lat: 40.8098°NLon: 124.1602°WElev: 20.0ft.

Overcast

45°F

7°C

Humidity NA
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 7.00 mi
Last update NA
Extended Forecast for

Arcata CA

  • Today

    Today: Patchy fog before 1pm.  Otherwise, mostly cloudy, with a high near 47. Light and variable wind.

    High: 47 °F

    Patchy Fog

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am, then patchy fog after 4pm.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 55. Light and variable wind.

    High: 55 °F

    Patchy Fog

  • Thursday Night

    Thursday Night: Patchy fog before 7pm.  Otherwise, partly cloudy, with a low around 39. Light south southeast wind.

    Low: 39 °F

    Patchy Fog
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 55. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. Light east northeast wind.

    Low: 37 °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 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 47. Light and variable wind.
Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Thursday
Patchy fog before 7am, then patchy fog after 4pm. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 55. Light and variable wind.
Thursday Night
Patchy fog before 7pm. Otherwise, partly cloudy, with a low around 39. Light south southeast wind.
Friday
Sunny, with a high near 55. Calm wind becoming north northwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 37. Light east northeast wind.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly cloudy, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A slight chance of drizzle. Mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata CA
 40.87°N 124.07°W (Elev. 194 ft)
1:10 am PST Jan 21, 2026
4am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database