Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Clear

45°F

7°C

Humidity 100%
Wind Speed ENE 4 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 45°F (7°C)
Visibility 8.00 mi
Wind Chill43°F (6°C)
Last update 18 Jan 06:30 PM PST
Extended Forecast for

Trinidad CA

  • Tonight

    Tonight: Patchy dense fog after 7pm.  Otherwise, mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Patchy Dense
    Fog

  • M.L.King Day

    M.L.King Day: Patchy dense fog before 10am.  Otherwise, mostly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 1am.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Wednesday

    Wednesday: Partly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 40 °F

    Patchy Fog

  • Thursday

    Thursday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain after 4am.  Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Patchy dense fog after 7pm. Otherwise, mostly cloudy, with a low around 37. Calm wind.
M.L.King Day
Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 58. Calm wind.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 37. Calm wind.
Tuesday
Mostly sunny, with a high near 58. Calm wind.
Tuesday Night
Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Wednesday
Partly sunny, with a high near 57. Calm wind.
Wednesday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 40.
Thursday
Sunny, with a high near 55.
Thursday Night
A slight chance of rain after 4am. Partly cloudy, with a low around 40.
Friday
A slight chance of rain before 10am. Mostly sunny, with a high near 55.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 41.
Saturday
A slight chance of rain. Partly sunny, with a high near 56.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Sunday
A slight chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Trinidad CA
 41.06°N 124.13°W (Elev. 305 ft)
1:10 pm PST Jan 18, 2026
6pm PST Jan 18, 2026-6pm PST Jan 25, 2026
 
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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