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 W 4 MPH
Barometer 30.62 in (1036.91 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 18 Jan 11:30 PM PST
Extended Forecast for

Pasco WA

Air Stagnation Advisory January 18, 11:49pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 18, 11:49pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 25 °F

    Patchy
    Freezing Fog

  • M.L.King Day

    M.L.King Day: Patchy freezing fog before 10am. Mostly cloudy, with a high near 38. Calm wind.

    High: 38 °F

    Patchy
    Freezing Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Patchy freezing fog. Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Patchy
    Freezing Fog

  • Tuesday

    Tuesday: Patchy freezing fog before 10am. Partly sunny, with a high near 38. Light northwest wind.

    High: 38 °F

    Patchy
    Freezing Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy freezing fog after 10pm. Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Patchy
    Freezing Fog

  • Wednesday

    Wednesday: Patchy freezing fog before 10am. Partly sunny, with a high near 39.

    High: 39 °F

    Patchy
    Freezing Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy freezing fog after 4am. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy
    then Patchy
    Freezing Fog

  • Thursday

    Thursday: Patchy freezing fog before 10am. Mostly cloudy, with a high near 39.

    High: 39 °F

    Patchy
    Freezing Fog
    then Partly
    Sunny

Detailed Forecast

Tonight
Patchy freezing fog after 1am. Cloudy, with a low around 25. Calm wind.
M.L.King Day
Patchy freezing fog before 10am. Mostly cloudy, with a high near 38. Calm wind.
Monday Night
Patchy freezing fog. Mostly cloudy, with a low around 24. Calm wind.
Tuesday
Patchy freezing fog before 10am. Partly sunny, with a high near 38. Light northwest wind.
Tuesday Night
Patchy freezing fog after 10pm. Partly cloudy, with a low around 24. Calm wind.
Wednesday
Patchy freezing fog before 10am. Partly sunny, with a high near 39.
Wednesday Night
Patchy freezing fog after 4am. Mostly cloudy, with a low around 24.
Thursday
Patchy freezing fog before 10am. Mostly cloudy, with a high near 39.
Thursday Night
A slight chance of rain and snow after 4am. Mostly cloudy, with a low around 25. Chance of precipitation is 10%.
Friday
A slight chance of rain and snow before 10am. Snow level 1400 feet. Partly sunny, with a high near 41.
Friday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 27.
Saturday
A slight chance of rain and snow. Mostly cloudy, with a high near 42.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 25.
Sunday
A slight chance of rain and snow. Partly sunny, with a high near 44.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.26°N 119.11°W (Elev. 400 ft)
9:15 pm PST Jan 18, 2026
11pm PST Jan 18, 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