Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Overcast

55°F

13°C

Humidity 93%
Wind Speed W 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 19 Aug 10:20 AM PDT
Extended Forecast for

3 Miles NNE Arcata CA

  • Today

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

    High: 66 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 54 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 11am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 64. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 64 °F

    Areas Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 54. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 11am.  Otherwise, mostly cloudy, with a high near 64. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 64 °F

    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Areas of fog after 2am.  Otherwise, mostly cloudy, with a low around 53. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Cloudy
    then Areas
    Fog

  • Saturday

    Saturday: Areas of fog before 11am.  Otherwise, partly sunny, with a high near 65.

    High: 65 °F

    Areas Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Sunday

    Sunday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 67.

    High: 67 °F

    Patchy Fog
    then Partly
    Sunny

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, partly sunny, with a high near 66. Calm wind becoming west northwest around 6 mph in the afternoon.
Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Areas of fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 64. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 54. Northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 64. Calm wind becoming west northwest around 6 mph in the afternoon.
Friday Night
Areas of fog after 2am. Otherwise, mostly cloudy, with a low around 53. West northwest wind around 5 mph becoming calm in the evening.
Saturday
Areas of fog before 11am. Otherwise, partly sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 67.
Sunday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 55.
Monday
Patchy fog. Otherwise, mostly cloudy, with a high near 66.
Monday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 54.
Tuesday
Areas of fog. Otherwise, mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Arcata CA
 40.91°N 124.08°W (Elev. 180 ft)
10:05 am PDT Aug 19, 2026
10am PDT Aug 19, 2026-6pm PDT Aug 25, 2026
 
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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