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

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

Lat: 40.97806°NLon: 124.10861°WElev: 217.0ft.

Clear

37°F

3°C

Humidity 100%
Wind Speed E 3 MPH
Barometer 29.67 in (1004.74 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 11 Oct 06:15 AM PDT
Extended Forecast for

4 Miles ESE Arcata/Eureka Airport CA

  • Today

    Today: Sunny, with a high near 61. Breezy, with a light north wind becoming north northwest 13 to 18 mph in the morning. Winds could gust as high as 26 mph.

    High: 61 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 39. North northeast wind 6 to 15 mph, with gusts as high as 21 mph.

    Low: 39 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 62. Light north wind becoming north northwest 5 to 10 mph in the afternoon.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. North northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. East wind around 5 mph becoming calm.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 61. Breezy, with a light north wind becoming north northwest 13 to 18 mph in the morning. Winds could gust as high as 26 mph.
Tonight
Mostly clear, with a low around 39. North northeast wind 6 to 15 mph, with gusts as high as 21 mph.
Columbus Day
Sunny, with a high near 62. Light north wind becoming north northwest 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 37. North northwest wind 5 to 7 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 63. East wind around 5 mph becoming calm.
Tuesday Night
Partly cloudy, with a low around 40. Calm wind.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 49.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Arcata/Eureka Airport CA
 40.96°N 124.04°W (Elev. 197 ft)
Last Update:
2:10 am PDT Oct 11, 2026
Forecast Valid:
6am PDT Oct 11, 2026-6pm PDT Oct 17, 2026
 
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