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.

Mist

42°F

6°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 42°F (6°C)
Visibility 0.75 mi
Last update 20 Jan 04:53 AM PST
Extended Forecast for

Arcata/Eureka Airport CA

  • Today

    Today: Patchy fog before 10am, then patchy fog after 4pm.  Otherwise, mostly cloudy, with a high near 54. Calm wind.

    High: 54 °F

    Patchy Fog

  • Tonight

    Tonight: Patchy fog.  Otherwise, cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 55. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 55 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. North wind 5 to 7 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Friday Night

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

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 10am, then patchy fog after 4pm. Otherwise, mostly cloudy, with a high near 54. Calm wind.
Tonight
Patchy fog. Otherwise, cloudy, with a low around 43. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 55. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 43. Calm wind.
Thursday
Mostly sunny, with a high near 54. Calm wind.
Thursday Night
Mostly clear, with a low around 38. North wind 5 to 7 mph.
Friday
Sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Mostly cloudy, with a high near 57.
Sunday Night
A slight chance of drizzle. Mostly cloudy, with a low around 42.
Monday
Partly sunny, with a high near 58.
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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 20, 2026
5am PST Jan 20, 2026-6pm PST Jan 26, 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