Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that 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.

Partly Cloudy

57°F

14°C

Humidity 87%
Wind Speed WSW 4 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 19 Aug 06:35 PM PDT
Extended Forecast for

4 Miles SSW Big Lagoon CA

  • Tonight

    Tonight: Cloudy, with a low around 52. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 60. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 60 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Cloudy, with a low around 52. North wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 59. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 59 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51. Light and variable wind.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 60. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 60 °F

    Partly Sunny

  • Saturday Night

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

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 52. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 60. Calm wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
Cloudy, with a low around 52. North wind around 5 mph becoming calm in the evening.
Friday
Mostly cloudy, with a high near 59. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 51. Light and variable wind.
Saturday
Partly sunny, with a high near 60. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Mostly cloudy, with a high near 61.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Mostly cloudy, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Big Lagoon CA
 41.12°N 124.15°W (Elev. 384 ft)
2:46 pm PDT Aug 19, 2026
6pm PDT Aug 19, 2026-6pm PDT Aug 26, 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