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.

rain,mist

48°F

9°C

Humidity 100%
Wind Speed E 3 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 48°F (9°C)
Visibility 6.00 mi
Last update 09 Dec 06:00 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, mainly before 10pm.  Temperature falling to near 49 by 9pm, then rising to around 57 during the remainder of the night. Light and variable wind becoming southwest 5 to 9 mph in the evening.  Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before 10am.  Mostly cloudy, with a high near 65. Breezy, with a southwest wind 21 to 24 mph, with gusts as high as 46 mph.

    High: 65 °F

    Breezy.
    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 10 percent chance of rain after 4am.  Mostly cloudy, with a low around 57. Breezy, with a southwest wind around 23 mph, with gusts as high as 37 mph.

    Low: 57 °F

    Breezy.
    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 50. Southwest wind around 6 mph.

    Low: 50 °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 46.

    Low: 46 °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 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain, mainly before 10pm. Temperature falling to near 49 by 9pm, then rising to around 57 during the remainder of the night. Light and variable wind becoming southwest 5 to 9 mph in the evening. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 65. Breezy, with a southwest wind 21 to 24 mph, with gusts as high as 46 mph.
Wednesday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 57. Breezy, with a southwest wind around 23 mph, with gusts as high as 37 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 50. Southwest wind around 6 mph.
Friday
Mostly cloudy, with a high near 61.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 42.
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
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ABOUT THIS FORECAST

 
Point Forecast:
Richland WA
 46.29°N 119.28°W (Elev. 361 ft)
3:20 pm PST Dec 9, 2025
6pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database