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.

Mist

45°F

7°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 45°F (7°C)
Visibility 1.50 mi
Last update 19 Jan 03:00 AM PST
Extended Forecast for

2 Miles ESE Trinidad CA

  • Overnight

    Overnight: Patchy frost after 4am.  Otherwise, partly cloudy, with a low around 34. Light east northeast wind.

    Low: 34 °F

    Patchy Frost

  • M.L.King Day

    M.L.King Day: Patchy fog between 7am and 10am. Patchy frost before 10am.  Otherwise, mostly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Patchy Frost
    and Patchy
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog. Patchy frost after 4am.  Otherwise, partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog
    then Patchy
    Frost and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy frost before 10am.  Otherwise, partly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Patchy Frost
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Areas of fog.  Otherwise, mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Areas Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 56. Calm wind.

    High: 56 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 40.

    Low: 40 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 55.

    High: 55 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy frost after 4am. Otherwise, partly cloudy, with a low around 34. Light east northeast wind.
M.L.King Day
Patchy fog between 7am and 10am. Patchy frost before 10am. Otherwise, mostly sunny, with a high near 57. Calm wind.
Monday Night
Patchy fog. Patchy frost after 4am. Otherwise, partly cloudy, with a low around 36. Calm wind.
Tuesday
Patchy frost before 10am. Otherwise, partly sunny, with a high near 57. Calm wind.
Tuesday Night
Areas of fog. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 56. Calm wind.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 40.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Mostly sunny, with a high near 56.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Sunday
A slight chance of rain. Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Trinidad CA
 41.04°N 124.09°W (Elev. 597 ft)
1:10 am PST Jan 19, 2026
3am PST Jan 19, 2026-6pm PST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database