Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Mist

49°F

9°C

Humidity 96%
Wind Speed SE 4 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 48°F (9°C)
Visibility 2.50 mi
Wind Chill48°F (9°C)
Last update 09 Dec 09:53 PM PST
Extended Forecast for

Richland WA

Wind Advisory December 10, 06:00am until December 11, 07:00am
Click here for hazard details and duration
Wind Advisory
  • Tonight

    Tonight: Rain likely before 1am.  Mostly cloudy, with a temperature rising to around 56 by 5am. Light southeast wind becoming southwest 5 to 9 mph after midnight.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Rain Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 65. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 46 mph.

    High: 65 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: A 10 percent chance of rain after 4am.  Mostly cloudy, with a steady temperature around 59. Breezy, with a southwest wind around 24 mph, with gusts as high as 38 mph.

    Low: 59 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before 10am.  Mostly cloudy, with a high near 63. Southwest wind 15 to 18 mph, with gusts as high as 26 mph.

    High: 63 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49. Southwest wind around 6 mph.

    Low: 49 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain likely before 1am. Mostly cloudy, with a temperature rising to around 56 by 5am. Light southeast wind becoming southwest 5 to 9 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Mostly cloudy, with a high near 65. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 46 mph.
Wednesday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a steady temperature around 59. Breezy, with a southwest wind around 24 mph, with gusts as high as 38 mph.
Thursday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 63. Southwest wind 15 to 18 mph, with gusts as high as 26 mph.
Thursday Night
Mostly cloudy, with a low around 49. Southwest wind around 6 mph.
Friday
Mostly cloudy, with a high near 61.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Rain likely. Mostly cloudy, with a high near 53.
Monday Night
Rain likely. Mostly cloudy, with a low around 44.
Tuesday
A chance of rain. Mostly sunny, with a high near 56.
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)
9:47 pm PST Dec 9, 2025
10pm PST Dec 9, 2025-6pm PST Dec 16, 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