Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Fog

45°F

7°C

Humidity 100%
Wind Speed ENE 3 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 45°F (7°C)
Visibility 0.50 mi
Last update 19 Jan 04:20 AM PST
Extended Forecast for

Arcata/Eureka Airport CA

  • M.L.King Day

    M.L.King Day: Patchy frost between 7am and 10am.  Otherwise, partly sunny, with a high near 55. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 55 °F

    Patchy Frost
    then Partly
    Sunny

  • Tonight

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

    Low: 37 °F

    Patchy Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Areas of fog.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Areas Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 55. Light and variable wind.

    High: 55 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

M.L.King Day
Patchy frost between 7am and 10am. Otherwise, partly sunny, with a high near 55. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 37. Calm wind.
Tuesday
Partly sunny, with a high near 55. Calm wind.
Tuesday Night
Areas of fog. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 55. Light and variable wind.
Wednesday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.97°N 124.1°W (Elev. 197 ft)
1:10 am PST Jan 19, 2026
4am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database