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

49°F

9°C

Humidity 96%
Wind Speed SE 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 09 Dec 10:53 PM PST
Extended Forecast for

Pasco 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 4am. South wind 6 to 11 mph.  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 26 mph, with gusts as high as 47 mph.

    High: 65 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54. Breezy, with a southwest wind around 24 mph, with gusts as high as 37 mph.

    Low: 54 °F

    Mostly Cloudy
    and Breezy

  • Thursday

    Thursday: A 20 percent chance of rain.  Mostly cloudy, with a high near 63. Southwest wind 17 to 20 mph, with gusts as high as 26 mph.

    High: 63 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46. Southwest wind around 7 mph.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Saturday Night

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

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain likely before 1am. Mostly cloudy, with a temperature rising to around 56 by 4am. South wind 6 to 11 mph. 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 26 mph, with gusts as high as 47 mph.
Wednesday Night
Mostly cloudy, with a low around 54. Breezy, with a southwest wind around 24 mph, with gusts as high as 37 mph.
Thursday
A 20 percent chance of rain. Mostly cloudy, with a high near 63. Southwest wind 17 to 20 mph, with gusts as high as 26 mph.
Thursday Night
Mostly cloudy, with a low around 46. Southwest wind around 7 mph.
Friday
Mostly cloudy, with a high near 58.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 54.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Rain likely. Mostly cloudy, with a high near 53.
Monday Night
Rain likely. Mostly cloudy, with a low around 40.
Tuesday
A chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.26°N 119.11°W (Elev. 400 ft)
10:45 pm PST Dec 9, 2025
11pm 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