Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955° N Lon: 119.11813° W Elev: 397.0 ft.

Overcast

61°F

16°C

Humidity 67%
Wind Speed WSW 8 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 30 Sep 02:05 AM PDT
Detailed forecast for

Lower Columbia Basin of Washington

Tonight
Mostly cloudy. A chance of rain showers. Lows in the upper 40s to lower 50s. Southwest wind 5 to 15 mph. Chance of precipitation 50 percent. Rainfall amounts less than a tenth of an inch.
Tuesday
Mostly cloudy in the morning then clearing. Highs in the lower to mid 70s. South wind 5 to 10 mph. Gusts up to 20 mph in the afternoon.
Tuesday Night
Mostly cloudy with a 50 percent chance of rain showers. Lows in the lower 50s. Southwest wind 5 to 10 mph. Gusts up to 20 mph in the evening. Rainfall amounts less than a tenth of an inch.
Wednesday
Mostly cloudy with a 50 percent chance of rain showers. Highs in the upper 60s to lower 70s. South wind 5 to 15 mph with gusts to around 25 mph.
Wednesday Night
Partly cloudy with a 20 percent chance of rain showers. Lows in the mid to upper 40s. Southwest wind 5 to 10 mph with gusts to around 25 mph.
Thursday Through Monday
Mostly clear. Highs in the mid 60s to lower 70s. Lows in the 40s.



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255 PM PDT Mon Sep 29 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database