Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Partly Cloudy

48°F

9°C

Humidity 100%
Wind Speed E 4 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 09 Dec 01:05 AM PST
Extended Forecast for

Trinidad CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. Calm wind becoming north around 5 mph after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. Light and variable wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. North wind around 5 mph.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56. North wind 5 to 7 mph.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 49. Calm wind.
Tuesday
Partly sunny, with a high near 57. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 50. Calm wind becoming north around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 57. Light and variable wind becoming north northwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 49. North wind around 5 mph.
Thursday
Sunny, with a high near 56. North wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 48.
Saturday
A slight chance of showers after 4pm. Mostly sunny, with a high near 56.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 49.
Sunday
A chance of showers. Mostly cloudy, with a high near 56.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 51.
Monday
Showers likely. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Trinidad CA
 41.05°N 124.16°W (Elev. 0 ft)
1:10 am PST Dec 9, 2025
1am PST Dec 9, 2025-6pm PST Dec 15, 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