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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Mist

61°F

16°C

Humidity 87%
Wind Speed NW 6 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 57°F (14°C)
Visibility 3.00 mi
Last update 17 Aug 10:05 AM PDT
Extended Forecast for

Big Lagoon CA

  • Today

    Today: Cloudy, with a high near 60. Northwest wind 3 to 7 mph.

    High: 60 °F

    Cloudy

  • Tonight

    Tonight: Patchy dense fog after 5am. Otherwise, mostly cloudy, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Monday

    Monday: Patchy dense fog before 8am. Otherwise, partly sunny, with a high near 61. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 61 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49. North northwest wind around 9 mph.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. North northwest wind 5 to 8 mph becoming calm.

    High: 62 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. North northwest wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, with a high near 60. Northwest wind 3 to 7 mph.
Tonight
Patchy dense fog after 5am. Otherwise, mostly cloudy, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.
Monday
Patchy dense fog before 8am. Otherwise, partly sunny, with a high near 61. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 49. North northwest wind around 9 mph.
Tuesday
Partly sunny, with a high near 62. North northwest wind 5 to 8 mph becoming calm.
Tuesday Night
Mostly cloudy, with a low around 50. North northwest wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
Partly sunny, with a high near 64.
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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:
10:05 pm PDT Aug 16, 2025
Forecast Valid:
10am PDT Aug 17, 2025-6pm PDT Aug 23, 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