Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Overcast

61°F

16°C

Humidity 63%
Wind Speed SW 18 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 11 Dec 06:50 AM PST
Extended Forecast for

Richland WA

  • Today

    Today: A 20 percent chance of rain before 10am.  Mostly cloudy, with a high near 62. West wind 9 to 16 mph, with gusts as high as 29 mph.

    High: 62 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. West wind 3 to 5 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59. Southwest wind 3 to 6 mph.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. Southwest wind 3 to 6 mph.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of rain.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance Rain

Detailed Forecast

Today
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 62. West wind 9 to 16 mph, with gusts as high as 29 mph.
Tonight
Mostly cloudy, with a low around 47. West wind 3 to 5 mph.
Friday
Partly sunny, with a high near 59. Southwest wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 42. Southwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 55. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Mostly cloudy, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
A 50 percent chance of rain. Mostly cloudy, with a high near 59.
Monday Night
A chance of rain. Mostly cloudy, with a low around 45.
Tuesday
Rain likely. Partly sunny, with a high near 57.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Partly sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Richland WA
 46.3°N 119.31°W (Elev. 400 ft)
7:25 am PST Dec 11, 2025
8am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database