Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Overcast

52°F

11°C

Humidity 76%
Wind Speed ESE 9 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 07 Dec 11:00 AM PST
Extended Forecast for

Pasco WA

  • Today

    Today: A 50 percent chance of rain, mainly before 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 56. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.  New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance Rain

  • Tonight

    Tonight: A slight chance of rain before 10pm, then a slight chance of rain after 1am.  Increasing clouds, with a low around 47. Southwest wind around 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Rain

  • Monday

    Monday: Rain likely, mainly between 10am and 4pm.  Cloudy, with a high near 60. Southwest wind 8 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly after 10pm.  Cloudy, with a low around 51. Southwest wind 15 to 17 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely.  Cloudy, with a high near 56. South wind around 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain.  Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 57. Chance of precipitation is 70%.

    High: 57 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 10am.  Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

Detailed Forecast

Today
A 50 percent chance of rain, mainly before 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 56. Southwest wind 10 to 13 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of rain before 10pm, then a slight chance of rain after 1am. Increasing clouds, with a low around 47. Southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Monday
Rain likely, mainly between 10am and 4pm. Cloudy, with a high near 60. Southwest wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 51. Southwest wind 15 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely. Cloudy, with a high near 56. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 46. Chance of precipitation is 80%.
Wednesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43.
Thursday
A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 51.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Friday
Mostly cloudy, with a high near 50.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.24°N 119.11°W (Elev. 397 ft)
9:15 am PST Dec 7, 2025
11am PST Dec 7, 2025-6pm PST Dec 13, 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