Snow May Produce Poor Travel Conditions in the North-Central U.S. and East Coast

A strong cold front sweeping across the Northern Plains may bring snow showers and snow squalls from eastern Montana to north-central Nebraska, with blizzard conditions possible in eastern North Dakota and northwestern Montana. Heavy snow is expected to persist downwind of the Great Lakes. Snow showers will spread up the East Coast across the Mid-Atlantic and Northeast coasts. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Overcast

34°F

1°C

Humidity 80%
Wind Speed WNW 11 MPH
Barometer 30.59 in (1035.9 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 18 Jan 11:20 AM PST
Extended Forecast for

3 Miles SSW Wallula WA

Air Stagnation Advisory January 18, 11:40am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 11:40am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Today

    High: 37 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Cloudy

  • M.L.King Day

    M.L.King Day: Patchy fog before 10am. Patchy freezing fog before 10am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 38. Light northwest wind.

    High: 38 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 37. North wind 3 to 6 mph.

    High: 37 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 37. North wind around 5 mph.
Tonight
Cloudy, with a low around 31. Calm wind.
M.L.King Day
Patchy fog before 10am. Patchy freezing fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 38. Light northwest wind.
Monday Night
Partly cloudy, with a low around 30. Calm wind.
Tuesday
Partly sunny, with a high near 37. North wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 42.
Thursday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 36.
Friday
A chance of rain. Partly sunny, with a high near 45.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 30.
Saturday
A chance of rain and snow. Partly sunny, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Wallula WA
 46.05°N 118.93°W (Elev. 479 ft)
11:21 am PST Jan 18, 2026
11am PST Jan 18, 2026-6pm PST Jan 24, 2026
 
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