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

50°F

10°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

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 40. Light south southeast wind.

    Low: 40 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am, then patchy fog after 4pm.  Otherwise, partly sunny, with a high near 48. Light and variable wind.

    High: 48 °F

    Patchy Fog

  • Thursday Night

    Thursday Night: Patchy fog before 7pm.  Otherwise, partly cloudy, with a low around 38. Light south southeast wind.

    Low: 38 °F

    Patchy Fog
    then Partly
    Cloudy

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, sunny, with a high near 55. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 55 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. Light east northeast wind.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60. Light east wind.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °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 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 40. Light south southeast wind.
Thursday
Patchy fog before 7am, then patchy fog after 4pm. Otherwise, partly sunny, with a high near 48. Light and variable wind.
Thursday Night
Patchy fog before 7pm. Otherwise, partly cloudy, with a low around 38. Light south southeast wind.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 55. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 35. Light east northeast wind.
Saturday
Sunny, with a high near 60. Light east wind.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly cloudy, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 39.
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 60.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Mostly cloudy, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata CA
 40.87°N 124.07°W (Elev. 194 ft)
1:23 pm PST Jan 21, 2026
3pm PST Jan 21, 2026-6pm PST Jan 28, 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