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 80%
Wind Speed N 0 MPH
Barometer 30.61 in (1036.57 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 19 Jan 05:20 AM PST
Extended Forecast for

2 Miles SSW Pasco WA

Air Stagnation Advisory January 19, 05:35am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 05:35am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • M.L.King Day

    High: 38 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Patchy freezing fog after 1am. Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Cloudy
    then Patchy
    Freezing Fog

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 38. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 38 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Patchy freezing fog after 1am. Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy
    then Patchy
    Freezing Fog

  • Wednesday

    Wednesday: Patchy freezing fog before 7am. Partly sunny, with a high near 37. Light north wind.

    High: 37 °F

    Patchy
    Freezing Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 4am. Patchy freezing fog after 4am.  Otherwise, mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy
    then Patchy
    Freezing Fog
    and Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am. Patchy freezing fog before 10am.  Otherwise, partly sunny, with a high near 38.

    High: 38 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog then
    Partly Sunny

  • Thursday Night

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

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Cloudy, then gradually becoming mostly sunny, with a high near 38. Calm wind.
Tonight
Patchy freezing fog after 1am. Mostly cloudy, with a low around 27. Calm wind.
Tuesday
Mostly cloudy, with a high near 38. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
Patchy freezing fog after 1am. Partly cloudy, with a low around 26. Calm wind.
Wednesday
Patchy freezing fog before 7am. Partly sunny, with a high near 37. Light north wind.
Wednesday Night
Patchy fog after 4am. Patchy freezing fog after 4am. Otherwise, mostly cloudy, with a low around 25.
Thursday
Patchy fog before 7am. Patchy freezing fog before 10am. Otherwise, partly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Partly sunny, with a high near 40.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 29.
Sunday
A slight chance of rain and snow. Mostly cloudy, with a high near 42.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Pasco WA
 46.2°N 119.1°W (Elev. 358 ft)
4:21 am PST Jan 19, 2026
5am PST Jan 19, 2026-6pm PST Jan 25, 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