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

Walla Walla Regional Airport (KALW)

Lat: 46.09462°NLon: 118.2858°WElev: 1168.0ft.

Rain

54°F

12°C

Humidity 62%
Wind Speed S 17 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 07 Dec 12:35 PM PST
Extended Forecast for

Walla Walla 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: Rain, mainly before 1pm. High near 53. South wind 11 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.

    High: 53 °F

    Rain

  • Tonight

    Tonight: A 40 percent chance of rain between 1am and 4am. Mostly cloudy, with a low around 44. South wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Chance Rain

  • Monday

    Monday: Rain, mainly after 7am. High near 59. South wind 10 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 48. Breezy, with a southwest wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: Rain. High near 55. South wind 8 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 46. Chance of precipitation is 100%.

    Low: 46 °F

    Rain

  • Wednesday

    Wednesday: Rain. High near 58. Chance of precipitation is 90%.

    High: 58 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely. Cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Rain Likely

Detailed Forecast

This Afternoon
Rain, mainly before 1pm. High near 53. South wind 11 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.
Tonight
A 40 percent chance of rain between 1am and 4am. Mostly cloudy, with a low around 44. South wind 10 to 13 mph, with gusts as high as 21 mph.
Monday
Rain, mainly after 7am. High near 59. South wind 10 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 48. Breezy, with a southwest wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 55. South wind 8 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Low around 46. Chance of precipitation is 100%.
Wednesday
Rain. High near 58. Chance of precipitation is 90%.
Wednesday Night
Rain likely. Cloudy, with a low around 49. Chance of precipitation is 70%.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 56.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
A slight chance of rain. Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Walla Walla WA
 46.06°N 118.35°W (Elev. 928 ft)
Last Update:
12:16 pm PST Dec 7, 2025
Forecast Valid:
12pm PST Dec 7, 2025-6pm PST Dec 13, 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