Unsettled Weather in the West; Marine and Coastal Impacts Along the East Coast

A series of Pacific fronts will bring periodic waves of showers and thunderstorms to parts of the Great Basin and Pacific Northwest the next few days. Swells, high surf, dangerous rip currents and areas of coastal flooding continue along much of the East Coast from both Humberto and Imelda. Unseasonably hot temperatures continue for much of the Plains and Midwest through the remainder of the week. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Mostly Cloudy

68°F

20°C

Humidity 56%
Wind Speed N 4 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 01 Oct 04:53 PM PDT
Detailed forecast for

Lower Columbia Basin of Washington

Tonight
Mostly cloudy with a 20 percent chance of rain showers. Lows in the upper 40s to lower 50s. Southwest wind 5 to 10 mph with gusts to around 20 mph in the evening, becoming light.
Thursday
Cloudy. A 20 percent chance of rain showers in the afternoon. Highs in the lower to mid 60s. Light wind, becoming south 5 to 10 mph in the afternoon.
Thursday Night
Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the 40s. Light wind.
Friday
Sunny. Highs in the upper 60s to lower 70s. West wind 5 to 10 mph.
Friday Night
Mostly clear. Lows in the 40s. Southwest wind 5 to 10 mph.
Saturday Through Wednesday
Mostly clear. Highs in the mid 60s to mid 70s. Lows in the upper 30s to upper 40s.



Basemap Options
Click map to change the forecast location
Loading map...
255 PM PDT Wed Oct 1 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database