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

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

Eureka WFO (EKA01)

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

Overcast

58°F

14°C

Humidity NA
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint N/A
Visibility 7.00 mi
Last update NA
Extended Forecast for

Arcata CA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 64. Northwest wind 6 to 8 mph.

    High: 64 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 54. Northwest wind 3 to 8 mph.

    Low: 54 °F

    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 63. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 63 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53. North northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 64. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 52. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 11pm and 2am. Otherwise, mostly cloudy, with a low around 54.

    Low: 54 °F

    Patchy Fog

  • Wednesday

    Wednesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 64. Northwest wind 6 to 8 mph.
Tonight
Cloudy, with a low around 54. Northwest wind 3 to 8 mph.
Sunday
Mostly cloudy, with a high near 63. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 53. North northwest wind 5 to 9 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 64. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 52. North northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
Patchy fog between 11pm and 2am. Otherwise, mostly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 56.
Thursday
Patchy fog. Otherwise, mostly cloudy, with a high near 69.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 56.
Friday
Patchy fog. Otherwise, mostly cloudy, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arcata CA
 40.87°N 124.07°W (Elev. 194 ft)
Last Update:
10:46 am PDT Aug 2, 2025
Forecast Valid:
12pm PDT Aug 2, 2025-6pm PDT Aug 8, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation