Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Partly Cloudy

46°F

8°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 08 Dec 12:35 AM PST
Extended Forecast for

2 Miles S Arcata/Eureka Airport CA

  • Overnight

    Overnight: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am, then patchy fog after 4pm.  Otherwise, mostly cloudy, with a high near 58. Calm wind.

    High: 58 °F

    Patchy Fog

  • Monday Night

    Monday Night: Patchy fog before 10pm.  Otherwise, mostly cloudy, with a low around 43. Light east southeast wind.

    Low: 43 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Patchy fog before 1pm, then patchy fog after 4pm.  Otherwise, partly sunny, with a high near 60. East southeast wind around 5 mph becoming calm  in the morning.

    High: 60 °F

    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of drizzle.  Patchy fog before 7pm.  Otherwise, mostly cloudy, with a low around 45. Light east southeast wind.

    Low: 45 °F

    Chance
    Drizzle and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of drizzle before 4pm, then a chance of drizzle with a slight chance of rain after 4pm.  Patchy fog before 1pm.  Otherwise, partly sunny, with a high near 60. Light and variable wind.  Chance of precipitation is 20%.

    High: 60 °F

    Chance
    Drizzle and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 10pm.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Monday
Patchy fog before 10am, then patchy fog after 4pm. Otherwise, mostly cloudy, with a high near 58. Calm wind.
Monday Night
Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 43. Light east southeast wind.
Tuesday
Patchy fog before 1pm, then patchy fog after 4pm. Otherwise, partly sunny, with a high near 60. East southeast wind around 5 mph becoming calm in the morning.
Tuesday Night
A chance of drizzle. Patchy fog before 7pm. Otherwise, mostly cloudy, with a low around 45. Light east southeast wind.
Wednesday
A chance of drizzle before 4pm, then a chance of drizzle with a slight chance of rain after 4pm. Patchy fog before 1pm. Otherwise, partly sunny, with a high near 60. Light and variable wind. Chance of precipitation is 20%.
Wednesday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Sunny, with a high near 61.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
A chance of drizzle. Mostly cloudy, with a low around 43.
Sunday
A chance of drizzle. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Arcata/Eureka Airport CA
 40.95°N 124.1°W (Elev. 187 ft)
10:28 pm PST Dec 7, 2025
12am PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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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