Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

Eureka WFO (EKA01)

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

Partly Cloudy

54°F

12°C

Humidity NA
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 7.00 mi
Last update NA
Extended Forecast for

Arcata CA

  • Overnight

    Overnight: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. Light west wind.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 70. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 70 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 56. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 56 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 65. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: A chance of rain.  Patchy fog before 11am.  Otherwise, partly sunny, with a high near 63.

    High: 63 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday Night

    Saturday Night: A slight chance of rain before 11pm.  Partly cloudy, with a low around 49.

    Low: 49 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Calm wind.
Wednesday
Sunny, with a high near 81. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 56. Light west wind.
Thursday
Partly sunny, with a high near 70. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 56. Northwest wind around 6 mph becoming calm in the evening.
Friday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 65. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Friday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 51.
Saturday
A chance of rain. Patchy fog before 11am. Otherwise, partly sunny, with a high near 63.
Saturday Night
A slight chance of rain before 11pm. Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 51.
Monday
Mostly sunny, with a high near 65.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 52.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata CA
 40.89°N 124.08°W (Elev. 177 ft)
2:10 am PDT Sep 9, 2026
2am PDT Sep 9, 2026-6pm PDT Sep 15, 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