Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to develop off the southeast U.S. coast tonight and is expected to strengthen and bring flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Current conditions at

Eureka WFO (EKA01)

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

Rain

55°F

13°C

Humidity NA
Wind Speed S 4 MPH
Barometer NA
Dewpoint N/A
Visibility 7.00 mi
Last update NA
Extended Forecast for

Arcata CA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 60. Southwest wind around 7 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 47. Calm wind becoming southeast around 6 mph after midnight.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers before 11am.  Mostly cloudy, with a high near 60. Southeast wind around 6 mph becoming west southwest in the afternoon.

    High: 60 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Patchy fog between 11pm and 2am.  Otherwise, mostly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Patchy Fog

  • Sunday

    Sunday: Partly sunny, with a high near 59. Light north northeast wind becoming north northwest 5 to 10 mph in the morning.

    High: 59 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 11pm.  Mostly cloudy, with a low around 45. North northwest wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 45 °F

    Chance
    Showers

  • Columbus Day

    Columbus Day: Rain likely.  Mostly cloudy, with a high near 56. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 56 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Tuesday

    Tuesday: A chance of showers, mainly before 11am.  Partly sunny, with a high near 62.

    High: 62 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 60. Southwest wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers before 11am. Mostly cloudy, with a high near 60. Southeast wind around 6 mph becoming west southwest in the afternoon.
Saturday Night
Patchy fog between 11pm and 2am. Otherwise, mostly cloudy, with a low around 46. Light and variable wind.
Sunday
Partly sunny, with a high near 59. Light north northeast wind becoming north northwest 5 to 10 mph in the morning.
Sunday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 45. North northwest wind 5 to 10 mph becoming light and variable in the evening.
Columbus Day
Rain likely. Mostly cloudy, with a high near 56. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A chance of rain. Mostly cloudy, with a low around 46.
Tuesday
A chance of showers, mainly before 11am. Partly sunny, with a high near 62.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 47.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Partly sunny, with a high near 60.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
A slight chance of showers. Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata CA
 40.87°N 124.07°W (Elev. 194 ft)
2:05 pm PDT Oct 10, 2025
4pm PDT Oct 10, 2025-6pm PDT Oct 17, 2025
 
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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