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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Overcast

36°F

2°C

Humidity 89%
Wind Speed N 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 33°F (1°C)
Visibility 8.00 mi
Last update 02 Jan 12:53 PM PST
Extended Forecast for

3 Miles SSW Wallula WA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 41. Southeast wind around 5 mph.

    High: 41 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of rain before 10pm, then a chance of rain after 1am. Mostly cloudy, with a low around 37. North wind around 7 mph. Chance of precipitation is 30%.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 46. Northeast wind around 6 mph becoming west in the morning.

    High: 46 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 43. South wind 10 to 18 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 52. Southwest wind 14 to 20 mph, with gusts as high as 25 mph.

    High: 52 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Monday

    Monday: A 20 percent chance of rain before 10am. Partly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Monday Night

    Monday Night: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 41. Southeast wind around 5 mph.
Tonight
A slight chance of rain before 10pm, then a chance of rain after 1am. Mostly cloudy, with a low around 37. North wind around 7 mph. Chance of precipitation is 30%.
Saturday
A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 46. Northeast wind around 6 mph becoming west in the morning.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43. South wind 10 to 18 mph, with gusts as high as 23 mph.
Sunday
A 30 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 52. Southwest wind 14 to 20 mph, with gusts as high as 25 mph.
Sunday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 41.
Monday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 48.
Monday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 39.
Tuesday
A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 47.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 41. Breezy.
Wednesday
A chance of rain. Partly sunny, with a high near 47. Breezy.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 37.
Thursday
A slight chance of rain and snow. Snow level 1600 feet. Mostly sunny, with a high near 45.
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:
12:46 pm PST Jan 2, 2026
Forecast Valid:
1pm PST Jan 2, 2026-6pm PST Jan 8, 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