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

Tracking Winter Weather and Frigid Temperatures Through This Weekend

A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Cities Airport (KPSC)

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

Overcast

36°F

2°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 30.6 in (1036.24 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 17 Jan 09:00 AM PST
Extended Forecast for

3 Miles SSW Wallula WA

Air Stagnation Advisory January 17, 09:17am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 17, 09:17am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Today

    High: 38 °F

    Areas Fog

  • Tonight

    Tonight: Areas of fog. Otherwise, cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Areas Fog

  • Sunday

    Sunday: Areas of fog. Otherwise, mostly cloudy, with a high near 37. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 37 °F

    Areas Fog

  • Sunday Night

    Sunday Night: Areas of fog. Patchy freezing fog after 4am. Otherwise, cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Patchy
    Freezing Fog
    and Areas Fog

  • M.L.King Day

    M.L.King Day: Patchy fog before 1pm. Patchy freezing fog before 10am. Otherwise, partly sunny, with a high near 38. Light north wind.

    High: 38 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Today
Areas of fog. Otherwise, cloudy, with a high near 38. North wind 3 to 5 mph.
Tonight
Areas of fog. Otherwise, cloudy, with a low around 33. Calm wind.
Sunday
Areas of fog. Otherwise, mostly cloudy, with a high near 37. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Areas of fog. Patchy freezing fog after 4am. Otherwise, cloudy, with a low around 31. Calm wind.
M.L.King Day
Patchy fog before 1pm. Patchy freezing fog before 10am. Otherwise, partly sunny, with a high near 38. Light north wind.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 41.
Thursday Night
A slight chance of rain and snow. Snow level 1400 feet. Partly cloudy, with a low around 30.
Friday
A slight chance of rain and snow. Snow level 1000 feet. Partly sunny, with a high near 40.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Wallula WA
 46.05°N 118.93°W (Elev. 479 ft)
Last Update:
8:31 am PST Jan 17, 2026
Forecast Valid:
9am PST Jan 17, 2026-6pm PST Jan 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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