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.

Partly Cloudy

63°F

17°C

Humidity 55%
Wind Speed WSW 18 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 08 Dec 04:35 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 21 mph, with gusts as high as 37 mph.

    High: 61 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 7pm.  Mostly cloudy, with a low around 50. Breezy, with a southwest wind 20 to 23 mph, with gusts as high as 38 mph.

    Low: 50 °F

    Chance Rain
    and Breezy

  • Tuesday

    Tuesday: Rain, mainly after 1pm.  High near 57. Southwest wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 10pm.  Low around 46. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain.  Mostly cloudy, with a high near 64. Southwest wind around 18 mph, with gusts as high as 30 mph.

    High: 64 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain before 10am.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Cloudy, with a high near 61. Southwest wind around 21 mph, with gusts as high as 37 mph.
Tonight
A 40 percent chance of rain, mainly after 7pm. Mostly cloudy, with a low around 50. Breezy, with a southwest wind 20 to 23 mph, with gusts as high as 38 mph.
Tuesday
Rain, mainly after 1pm. High near 57. Southwest wind 6 to 10 mph becoming south in the afternoon. Winds could gust as high as 18 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 46. Southwest wind 6 to 14 mph, with gusts as high as 23 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 around 18 mph, with gusts as high as 30 mph.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 52.
Thursday
A 30 percent chance of rain before 10am. Mostly cloudy, with a high near 59.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
Mostly cloudy, with a high near 58.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 55.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Sunday
A slight chance of rain. Partly sunny, with a high near 55.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 39.
Monday
A chance of rain. Mostly cloudy, with a high near 55.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.26°N 119.11°W (Elev. 400 ft)
3:20 pm PST Dec 8, 2025
4pm PST Dec 8, 2025-6pm PST Dec 15, 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