National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall Possible in the Upper Midwest, South Texas, and Puerto Rico and the Virgin Islands

Scattered thunderstorms and heavy rainfall may bring areas of flooding though the weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Tropical Storm Erin may bring isolated flash and urban flooding, landslides or mudslides, and tropical storm conditions to Puerto Rico and the U.S. Virgin Islands. Read More >

Current conditions at

Eureka WFO (EKA01)

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

Overcast

56°F

13°C

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

Eureka CA

  • Today

    Today: Mostly cloudy, with a high near 64. Calm wind becoming north northwest 5 to 7 mph in the morning.

    High: 64 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 11pm. Patchy fog between 8pm and 11pm. Otherwise, cloudy, with a low around 58. Northwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 58 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: A 50 percent chance of rain, mainly before 11am. Patchy fog between 8am and 11am. Otherwise, cloudy, with a high near 65. Light west wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance Rain
    and Patchy
    Fog then
    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 55. North northwest wind 3 to 8 mph.

    Low: 55 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 64. Northwest wind 3 to 6 mph.

    High: 64 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 53. North northwest wind around 6 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 64. Calm wind becoming north northwest 5 to 7 mph in the morning.
Tonight
A 40 percent chance of rain, mainly after 11pm. Patchy fog between 8pm and 11pm. Otherwise, cloudy, with a low around 58. Northwest wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 50 percent chance of rain, mainly before 11am. Patchy fog between 8am and 11am. Otherwise, cloudy, with a high near 65. Light west wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 55. North northwest wind 3 to 8 mph.
Sunday
A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 64. Northwest wind 3 to 6 mph.
Sunday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 53. North northwest wind around 6 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka CA
 40.8°N 124.17°W (Elev. 3 ft)
Last Update:
12:05 am PDT Aug 15, 2025
Forecast Valid:
7am PDT Aug 15, 2025-6pm PDT Aug 21, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation