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 NNW 4 MPH
Barometer 30.49 in (1032.51 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 19 Jan 08:20 PM PST
Extended Forecast for

Pasco WA

Air Stagnation Advisory January 19, 08:33pm until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 08:33pm until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • Tonight

    Low: 26 °F

    Mostly Cloudy
    then Patchy
    Freezing Fog

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 38. Northwest wind 3 to 5 mph.

    High: 38 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Patchy freezing fog after 4am. Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Partly Cloudy
    then Patchy
    Freezing Fog

  • Wednesday

    Wednesday: Patchy freezing fog before 10am. Mostly sunny, with a high near 36. Calm wind.

    High: 36 °F

    Patchy
    Freezing Fog
    then Mostly
    Sunny

  • Wednesday Night

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

    Low: 25 °F

    Partly Cloudy
    then Patchy
    Freezing Fog
    and Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 10am. Patchy freezing fog before 10am.  Otherwise, partly sunny, with a high near 37.

    High: 37 °F

    Patchy
    Freezing Fog
    and Patchy
    Fog then
    Partly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 38.

    High: 38 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Tonight
Patchy freezing fog after 1am. Mostly cloudy, with a low around 26. Calm wind.
Tuesday
Mostly cloudy, with a high near 38. Northwest wind 3 to 5 mph.
Tuesday Night
Patchy freezing fog after 4am. Partly cloudy, with a low around 25. Calm wind.
Wednesday
Patchy freezing fog before 10am. Mostly sunny, with a high near 36. Calm wind.
Wednesday Night
Patchy fog after 4am. Patchy freezing fog after 4am. Otherwise, mostly cloudy, with a low around 25. Calm wind.
Thursday
Patchy fog before 10am. Patchy freezing fog before 10am. Otherwise, partly sunny, with a high near 37.
Thursday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 25.
Friday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 38.
Friday Night
Mostly clear, with a low around 25.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
A slight chance of rain and snow. Mostly cloudy, with a high near 41.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.24°N 119.11°W (Elev. 397 ft)
3:42 pm PST Jan 19, 2026
8pm 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