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

33°F

1°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.62 in (1036.91 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 19 Jan 06:53 AM PST
Extended Forecast for

Pasco WA

Air Stagnation Advisory January 19, 07:08am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 07:08am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • M.L.King Day

    High: 38 °F

    Patchy
    Freezing Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Patchy freezing fog after 10pm. Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Patchy
    Freezing Fog

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 38. Light north wind.

    High: 38 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Patchy freezing fog after 10pm. Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Patchy
    Freezing Fog

  • Wednesday

    Wednesday: Patchy freezing fog before 10am. Partly sunny, with a high near 38. Calm wind.

    High: 38 °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 24.

    Low: 24 °F

    Mostly Cloudy
    then Patchy
    Freezing Fog
    and Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 10am. Patchy freezing fog before 10am.  Otherwise, mostly cloudy, 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 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Patchy freezing fog before 10am. Mostly cloudy, with a high near 38. Calm wind.
Tonight
Patchy freezing fog after 10pm. Mostly cloudy, with a low around 25. Calm wind.
Tuesday
Mostly cloudy, with a high near 38. Light north wind.
Tuesday Night
Patchy freezing fog after 10pm. Partly cloudy, with a low around 25. Calm wind.
Wednesday
Patchy freezing fog before 10am. Partly sunny, with a high near 38. Calm wind.
Wednesday Night
Patchy fog after 4am. Patchy freezing fog after 4am. Otherwise, mostly cloudy, with a low around 24.
Thursday
Patchy fog before 10am. Patchy freezing fog before 10am. Otherwise, mostly cloudy, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 41.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 27.
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:
Pasco WA
 46.26°N 119.11°W (Elev. 400 ft)
5:47 am PST Jan 19, 2026
7am 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