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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Clear

64°F

18°C

Humidity 77%
Wind Speed NW 16 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 27 Aug 05:00 PM PDT
Extended Forecast for

Big Lagoon CA

  • Tonight

    Tonight: Patchy drizzle after 8pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 52. North wind 5 to 8 mph.

    Low: 52 °F

    Patchy
    Drizzle and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 61 °F

    Patchy Fog

  • Friday Night

    Friday Night: Patchy drizzle after 11pm. Patchy fog after 8pm. Otherwise, cloudy, with a low around 51. North wind 5 to 7 mph becoming light and variable in the evening.

    Low: 51 °F

    Patchy
    Drizzle and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 2pm. Otherwise, partly sunny, with a high near 59. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 59 °F

    Patchy Fog

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 50. North northwest wind 5 to 9 mph becoming light north northeast after midnight.

    Low: 50 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy drizzle after 8pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 52. North wind 5 to 8 mph.
Friday
Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming north northwest around 6 mph in the afternoon.
Friday Night
Patchy drizzle after 11pm. Patchy fog after 8pm. Otherwise, cloudy, with a low around 51. North wind 5 to 7 mph becoming light and variable in the evening.
Saturday
Patchy fog before 2pm. Otherwise, partly sunny, with a high near 59. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Saturday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 50. North northwest wind 5 to 9 mph becoming light north northeast after midnight.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Mostly cloudy, with a high near 58.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
Mostly cloudy, with a high near 58.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 50.
Wednesday
Mostly cloudy, with a high near 59.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 60.
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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:
2:10 pm PDT Aug 27, 2026
Forecast Valid:
5pm PDT Aug 27, 2026-6pm PDT Sep 3, 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