Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Mostly Cloudy

63°F

17°C

Humidity 55%
Wind Speed SW 17 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 08 Dec 01:20 PM PST
Extended Forecast for

Pasco WA

Wind Advisory December 8, 07:00pm until December 9, 07:00am
Click here for hazard details and duration
Wind Advisory
  • This Afternoon

    This Afternoon: A 20 percent chance of rain.  Cloudy, with a high near 61. Southwest wind around 16 mph, with gusts as high as 33 mph.

    High: 61 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 52. Southwest wind 18 to 20 mph, with gusts as high as 37 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday

    Tuesday: Rain, mainly after 1pm.  Temperature falling to around 51 by 5pm. South wind 6 to 9 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 10pm.  Low around 48. South wind 6 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain.  Mostly cloudy, with a high near 64. Southwest wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 64 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain before 10am.  Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Cloudy, with a high near 61. Southwest wind around 16 mph, with gusts as high as 33 mph.
Tonight
Rain likely, mainly after 4am. Mostly cloudy, with a low around 52. Southwest wind 18 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, mainly after 1pm. Temperature falling to around 51 by 5pm. South wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain, mainly before 10pm. Low around 48. South wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 64. Southwest wind 14 to 17 mph, with gusts as high as 29 mph.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 54.
Thursday
A 30 percent chance of rain before 10am. Mostly cloudy, with a high near 62.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Mostly cloudy, with a high near 59.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Partly sunny, with a high near 56.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 45.
Sunday
A slight chance of rain. Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.24°N 119.11°W (Elev. 397 ft)
1:30 pm PST Dec 8, 2025
1pm PST Dec 8, 2025-6pm PST Dec 14, 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