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

Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Mist

55°F

13°C

Humidity 93%
Wind Speed WSW 6 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 54°F (12°C)
Visibility 2.50 mi
Last update 18 Oct 05:20 PM PDT
Extended Forecast for

Trinidad CA

  • Tonight

    Tonight: A 20 percent chance of showers after 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 49. Light and variable wind.

    Low: 49 °F

    Patchy Fog
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 64. Light and variable wind becoming north 8 to 13 mph in the afternoon.

    High: 64 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. North wind 9 to 14 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68. North wind 8 to 10 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Light and variable wind becoming east northeast around 6 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. Light and variable wind.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers after 2am. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 49. Light and variable wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 64. Light and variable wind becoming north 8 to 13 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 44. North wind 9 to 14 mph.
Monday
Sunny, with a high near 68. North wind 8 to 10 mph.
Monday Night
Mostly clear, with a low around 47. Light and variable wind becoming east northeast around 6 mph.
Tuesday
Sunny, with a high near 70. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Mostly cloudy, with a high near 66.
Thursday Night
A chance of showers. Cloudy, with a low around 53.
Friday
Showers likely. Cloudy, with a high near 64.
Friday Night
Showers. Cloudy, with a low around 50.
Saturday
Showers. Cloudy, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trinidad CA
 41.06°N 124.13°W (Elev. 305 ft)
Last Update:
2:05 pm PDT Oct 18, 2025
Forecast Valid:
5pm PDT Oct 18, 2025-6pm PDT Oct 25, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation