Tropical System in the Gulf; Dangerous Heat and Air Quality Concerns; Severe Thunderstorms for Midwest to mid-Atlantic

Tropical system in the Gulf expected to gradually strengthen the next couple of days off the Florida Panhandle and Alabama coasts. Instances of flash flooding will be possible through Thursday along the eastern and central Gulf Coast. Severe thunderstorms will develop and move along a cold front crossing the Upper Midwest, and through the Ohio Valley/Mid-Atlantic on Tuesday. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

Lat: 40.97806° N Lon: 124.10861° W Elev: 217.0 ft.

Overcast

54°F

12°C

Humidity 100%
Wind Speed E 3 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 54°F (12°C)
Visibility 7.00 mi
Last update 20 Jul 06:53 AM PDT
Detailed forecast for

Northern Coastal Humboldt

Today
Mostly cloudy. Slight chance of rain showers in the morning. Highs 63 to 78. West wind around 10 mph.
Tonight
Mostly cloudy. Patchy fog overnight. Lows 50 to 60. Northwest wind around 5 mph.
Tuesday
Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs 65 to 80. Light winds becoming northwest around 10 mph in the afternoon.
Tuesday Night
Partly cloudy. Patchy fog. Lows 51 to 61. Northwest wind around 5 mph.
Wednesday
Partly cloudy. Patchy fog. Highs 65 to 80. Northwest wind around 10 mph.
Wednesday Night Through Saturday
Mostly cloudy. Patchy fog. Lows 47 to 57. Highs 65 to 80.
Saturday Night
Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows 47 to 57.
Sunday
Mostly cloudy. Patchy fog. Highs 61 to 73.



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136 AM PDT Mon Jul 20 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database