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

34°F

1°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 30.48 in (1032.17 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 19 Jan 08:55 PM PST
Extended Forecast for

6 Miles SW Highland WA

Air Stagnation Advisory January 19, 09:23pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 09:23pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

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

    High: 34 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Patchy freezing fog after 4am. Partly cloudy, with a low around 24. Light and variable wind.

    Low: 24 °F

    Partly Cloudy
    then Patchy
    Freezing Fog

  • Wednesday

    Wednesday: Patchy freezing fog before 7am. Mostly sunny, with a high near 34. Calm wind becoming north 5 to 7 mph in the morning.

    High: 34 °F

    Patchy
    Freezing Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, partly sunny, with a high near 35.

    High: 35 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 27. Light and variable wind.
Tuesday
Mostly cloudy, with a high near 34. North wind around 7 mph.
Tuesday Night
Patchy freezing fog after 4am. Partly cloudy, with a low around 24. Light and variable wind.
Wednesday
Patchy freezing fog before 7am. Mostly sunny, with a high near 34. Calm wind becoming north 5 to 7 mph in the morning.
Wednesday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 24. Calm wind.
Thursday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 35.
Friday Night
Mostly clear, with a low around 24.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A slight chance of rain and snow. Snow level 2200 feet rising to 2700 feet in the afternoon. Partly sunny, with a high near 38.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Highland WA
 46.06°N 119.19°W (Elev. 1434 ft)
9:15 pm PST Jan 19, 2026
9pm PST Jan 19, 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