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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Overcast

36°F

2°C

Humidity 100%
Wind Speed ENE 3 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 36°F (2°C)
Visibility 7.00 mi
Last update 12 Jan 06:35 AM PST
Extended Forecast for

Big Lagoon CA

  • Today

    Today: Mostly sunny, with a high near 53. North wind 5 to 7 mph.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 37. North wind 3 to 7 mph.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 10pm. Otherwise, mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Patchy Fog
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57. North wind around 6 mph.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 41. East northeast wind around 6 mph.

    Low: 41 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 53. North wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 37. North wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 55. Light and variable wind.
Tuesday Night
Patchy fog before 10pm. Otherwise, mostly clear, with a low around 36. Calm wind.
Wednesday
Sunny, with a high near 57. North wind around 6 mph.
Wednesday Night
Clear, with a low around 41. East northeast wind around 6 mph.
Thursday
Sunny, with a high near 60.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Big Lagoon CA
 41.17°N 124.13°W (Elev. 7 ft)
Last Update:
1:10 am PST Jan 12, 2026
Forecast Valid:
6am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation