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.

haze

54°F

12°C

Humidity 81%
Wind Speed N 3 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 48°F (9°C)
Visibility 6.00 mi
Last update 07 Dec 11:55 AM PST
Extended Forecast for

Arcata/Eureka Airport CA

  • This Afternoon

    This Afternoon: A chance of rain before 4pm, then a chance of rain with a slight chance of drizzle after 4pm.  Mostly cloudy, with a high near 58. South wind around 5 mph.  Chance of precipitation is 30%.

    High: 58 °F

    Chance Rain

  • Tonight

    Tonight: A slight chance of drizzle before 7pm.  Mostly cloudy, with a low around 45. Light east southeast wind.

    Low: 45 °F

    Slight Chance
    Drizzle then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of drizzle.  Mostly cloudy, with a high near 58. Light and variable wind.

    High: 58 °F

    Slight Chance
    Drizzle

  • Monday Night

    Monday Night: A slight chance of drizzle.  Mostly cloudy, with a low around 46. Calm wind becoming east southeast around 6 mph in the evening.

    Low: 46 °F

    Slight Chance
    Drizzle

  • Tuesday

    Tuesday: A chance of drizzle, mainly after 10am.  Mostly cloudy, with a high near 59. Southeast wind 5 to 7 mph becoming southwest in the afternoon.

    High: 59 °F

    Chance
    Drizzle

  • Tuesday Night

    Tuesday Night: A chance of drizzle.  Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Chance
    Drizzle

  • Wednesday

    Wednesday: A chance of drizzle, mainly before 4pm.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance
    Drizzle

  • Wednesday Night

    Wednesday Night: A slight chance of drizzle before 10pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Drizzle then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of rain before 4pm, then a chance of rain with a slight chance of drizzle after 4pm. Mostly cloudy, with a high near 58. South wind around 5 mph. Chance of precipitation is 30%.
Tonight
A slight chance of drizzle before 7pm. Mostly cloudy, with a low around 45. Light east southeast wind.
Monday
A slight chance of drizzle. Mostly cloudy, with a high near 58. Light and variable wind.
Monday Night
A slight chance of drizzle. Mostly cloudy, with a low around 46. Calm wind becoming east southeast around 6 mph in the evening.
Tuesday
A chance of drizzle, mainly after 10am. Mostly cloudy, with a high near 59. Southeast wind 5 to 7 mph becoming southwest in the afternoon.
Tuesday Night
A chance of drizzle. Mostly cloudy, with a low around 48. Calm wind.
Wednesday
A chance of drizzle, mainly before 4pm. Mostly cloudy, with a high near 59.
Wednesday Night
A slight chance of drizzle before 10pm. Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly 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)
11:43 am PST Dec 7, 2025
12pm PST Dec 7, 2025-6pm PST Dec 13, 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