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

Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Hazardous Weather Conditions

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Clear

52°F

11°C

Humidity 81%
Wind Speed WNW 5 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 46°F (8°C)
Visibility 9.00 mi
Last update 14 Jan 03:15 PM PST
Extended Forecast for

3 Miles S Arcata/Eureka Airport CA

  • Tonight

    Tonight: Patchy dense fog after 10pm. Otherwise, mostly cloudy, with a low around 36. Light and variable wind.

    Low: 36 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Patchy dense fog before 1pm. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 59. Calm wind.

    High: 59 °F

    Patchy Dense
    Fog

  • Thursday Night

    Thursday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 59. Light and variable wind.

    High: 59 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62. Calm wind.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog before 10pm. Otherwise, partly cloudy, with a low around 41.

    Low: 41 °F

    Patchy Fog
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 40.

    Low: 40 °F

    Patchy Fog

Detailed Forecast

Tonight
Patchy dense fog after 10pm. Otherwise, mostly cloudy, with a low around 36. Light and variable wind.
Thursday
Patchy dense fog before 1pm. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 59. Calm wind.
Thursday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 37. Calm wind.
Friday
Patchy fog before 7am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 59. Light and variable wind.
Friday Night
Mostly clear, with a low around 39. Calm wind.
Saturday
Sunny, with a high near 62. Calm wind.
Saturday Night
Patchy fog before 10pm. Otherwise, partly cloudy, with a low around 41.
Sunday
Sunny, with a high near 60.
Sunday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 40.
M.L.King Day
Sunny, with a high near 59.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 40.
Tuesday
Patchy fog. Otherwise, mostly sunny, with a high near 58.
Tuesday Night
Areas of fog. Otherwise, mostly cloudy, with a low around 41.
Wednesday
A slight chance of drizzle. Patchy fog. Otherwise, partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Arcata/Eureka Airport CA
 40.95°N 124.1°W (Elev. 187 ft)
Last Update:
2:38 pm PST Jan 14, 2026
Forecast Valid:
3pm PST Jan 14, 2026-6pm PST Jan 21, 2026
 
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Additional Resources

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Chance of Precipitation