Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Major to record flooding continues over portions of the central U.S. Severe thunderstorms possible from the Mid Atlantic to the Northeast U.S.

Major to record flooding will continue over portions of eastern Oklahoma, northern Arkansas, Missouri, Illinois, and Indiana. Rivers will gradually recede over the next several days. Additional strong to severe thunderstorms will be possible Monday afternoon and evening over portions of the Mid Atlantic and Northeast U.S.Damaging winds, large hail, and isolated tornadoes will be possible. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955° N Lon: 119.11813° W Elev: 397 ft.




Humidity 57%
Wind Speed W 3 MPH
Barometer 30.23 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 30 Apr 11:05 pm PDT
Detailed forecast for

Lower Columbia Basin of Washington

Rest Of Tonight
Mostly clear. Colder. Lows 37 to 42. West wind 15 to 20 mph decreasing to 5 to 10 mph overnight.
Mostly cloudy. Highs 61 to 66. Southwest wind 5 to 10 mph.
Monday Night
Mostly cloudy in the evening then clearing. Lows 40 to 45. Southwest wind 5 to 10 mph shifting to the northwest overnight.
Mostly sunny in the morning then becoming partly cloudy. Highs 66 to 71. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly cloudy. Lows 49 to 54. Southeast wind 5 to 10 mph.
Partly cloudy. Warmer. Highs 78 to 83.
Wednesday Night And Thursday
Mostly clear. Lows 50 to 55. Highs 82 to 87.
Thursday Night
Mostly cloudy. A slight chance of showers and thunderstorms. Lows 52 to 57.
Mostly cloudy. A chance of showers. Highs 77 to 82.
Friday Night Through Saturday Night
Mostly cloudy. A slight chance of showers. Lows 45 to 51. Highs 65 to 70.
Mostly cloudy. Highs 67 to 72.

Click Map For Forecast
905 PM PDT Sun Apr 30 2017

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database