Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

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

Overcast

32°F

0°C

Humidity 81%
Wind Speed SW 5 MPH
Barometer 30.44 in (1030.82 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 19 Jan 11:53 PM PST
Extended Forecast for

2 Miles SSW Highland WA

Air Stagnation Advisory January 20, 12:05am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 20, 12:05am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Overnight

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 34. North wind 7 to 9 mph.

    High: 34 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. Light and variable wind.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34. North wind around 6 mph.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. Light northwest wind.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 27. South wind 3 to 5 mph.
Tuesday
Mostly cloudy, with a high near 34. North wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 25. Light and variable wind.
Wednesday
Mostly sunny, with a high near 34. North wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 25. Light northwest wind.
Thursday
Partly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 35.
Friday Night
Mostly clear, with a low around 25.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
A slight chance of rain and snow. Snow level 2400 feet. Partly sunny, with a high near 38.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Highland WA
 46.11°N 119.14°W (Elev. 1352 ft)
9:57 pm PST Jan 19, 2026
12am PST Jan 20, 2026-6pm PST Jan 26, 2026
 
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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