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

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.

Mist

45°F

7°C

Humidity NA
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 4.00 mi
Last update NA
Extended Forecast for

Arcata CA

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 48. Light northwest wind.

    High: 48 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog before 10pm, then areas of fog after 4am. Otherwise, mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Areas Fog

  • Thursday

    Thursday: Areas of fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 55. Light and variable wind.

    High: 55 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38. South wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    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.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Saturday Night

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

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a low around 44. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 48. Light northwest wind.
Wednesday Night
Patchy fog before 10pm, then areas of fog after 4am. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Thursday
Areas of fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 55. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 38. South wind around 5 mph becoming calm in the evening.
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.
Saturday
Sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly cloudy, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
A slight chance of drizzle. Mostly cloudy, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arcata CA
 40.89°N 124.08°W (Elev. 177 ft)
Last Update:
1:10 am PST Jan 21, 2026
Forecast Valid:
2am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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Additional Resources

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