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

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Overcast

59°F

15°C

Humidity 82%
Wind Speed SW 6 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 13 Aug 03:00 PM PDT
Extended Forecast for

4 Miles E Arcata/Eureka Airport CA

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, cloudy, with a low around 52. West northwest wind around 6 mph becoming calm in the evening.

    Low: 52 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming west around 6 mph in the afternoon.

    High: 63 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51. West northwest wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 63. Calm wind becoming west around 6 mph in the afternoon.

    High: 63 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50. West northwest wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 66. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 66 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 51.

    Low: 51 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 65.

    High: 65 °F

    Areas Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 51.

    Low: 51 °F

    Patchy Fog

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, cloudy, with a low around 52. West northwest wind around 6 mph becoming calm in the evening.
Friday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 51. West northwest wind around 6 mph becoming calm in the evening.
Saturday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 63. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50. West northwest wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 66. Calm wind becoming west northwest around 6 mph in the afternoon.
Sunday Night
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 51.
Monday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 65.
Monday Night
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 51.
Tuesday
Areas of fog before 11am. Otherwise, partly sunny, with a high near 64.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 51.
Wednesday
Areas of fog. Otherwise, partly sunny, with a high near 65.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 52.
Thursday
Areas of fog. Otherwise, partly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Arcata/Eureka Airport CA
 40.97°N 124.01°W (Elev. 689 ft)
Last Update:
2:10 pm PDT Aug 13, 2026
Forecast Valid:
3pm PDT Aug 13, 2026-6pm PDT Aug 20, 2026
 
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