National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Clear

59°F

15°C

Humidity 57%
Wind Speed SW 27 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 07 Dec 02:53 PM PST
Extended Forecast for

7 Miles SSW Richland 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 early, then clearing, with a high near 55. Southwest wind around 17 mph, with gusts as high as 26 mph.

    High: 55 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Increasing clouds, with a low around 46. Southwest wind around 16 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Increasing
    Clouds

  • Monday

    Monday: Rain likely, mainly between 10am and 1pm. Cloudy, with a high near 59. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain Likely
    and Breezy

  • Monday Night

    Monday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 50. Windy, with a southwest wind 26 to 30 mph, with gusts as high as 48 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Rain Likely
    and Windy

  • Tuesday

    Tuesday: Rain. High near 55. Breezy, with a south wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain. Low around 46. Chance of precipitation is 90%.

    Low: 46 °F

    Rain

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Cloudy early, then clearing, with a high near 55. Southwest wind around 17 mph, with gusts as high as 26 mph.
Tonight
Increasing clouds, with a low around 46. Southwest wind around 16 mph, with gusts as high as 25 mph.
Monday
Rain likely, mainly between 10am and 1pm. Cloudy, with a high near 59. Breezy, with a southwest wind 14 to 23 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 50. Windy, with a southwest wind 26 to 30 mph, with gusts as high as 48 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 55. Breezy, with a south wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 46. Chance of precipitation is 90%.
Wednesday
Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 49.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 55.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 43.
Friday
Mostly cloudy, with a high near 54.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 52.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Sunday
A slight chance of rain. Mostly cloudy, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Richland WA
 46.19°N 119.34°W (Elev. 741 ft)
Last Update:
2:30 pm PST Dec 7, 2025
Forecast Valid:
3pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation