Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Eureka WFO (EKA01)

Lat: 40.8098°NLon: 124.1602°WElev: 20.0ft.

Mist

55°F

13°C

Humidity NA
Wind Speed NNW 5 MPH
Barometer NA
Dewpoint N/A
Visibility 6.00 mi
Last update NA
Extended Forecast for

Eureka CA

  • Tonight

    Tonight: Areas of dense fog after 5am.  Otherwise, mostly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Cloudy
    then Areas
    Dense Fog

  • Tuesday

    Tuesday: Areas of dense fog before 8am.  Otherwise, mostly cloudy, with a high near 63. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 63 °F

    Areas Dense
    Fog then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Patchy dense fog after 2am.  Otherwise, mostly cloudy, with a low around 54. North northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Dense Fog

  • Wednesday

    Wednesday: Patchy dense fog before 11am.  Otherwise, mostly cloudy, with a high near 63. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 63 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54. North northwest wind 5 to 8 mph becoming calm  in the evening.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 63. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 63 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Patchy fog after 11pm.  Otherwise, cloudy, with a low around 54.

    Low: 54 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 59.

    High: 59 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Friday Night

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

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Areas of dense fog after 5am. Otherwise, mostly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Areas of dense fog before 8am. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Tuesday Night
Patchy dense fog after 2am. Otherwise, mostly cloudy, with a low around 54. North northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Patchy dense fog before 11am. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 54. North northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 63. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Thursday Night
Patchy fog after 11pm. Otherwise, cloudy, with a low around 54.
Friday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 59.
Friday Night
Mostly cloudy, with a low around 54.
Saturday
Mostly cloudy, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Mostly cloudy, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 55.
Monday
Patchy fog. Otherwise, mostly cloudy, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka CA
 40.8°N 124.17°W (Elev. 3 ft)
2:10 pm PDT Aug 17, 2026
6pm PDT Aug 17, 2026-6pm PDT Aug 24, 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