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

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

Lat: 46.37472°NLon: 117.01444°WElev: 1437.0ft.

Overcast

32°F

0°C

Humidity 74%
Wind Speed ESE 5 MPH
Barometer 30.54 in (1034.2 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 19 Jan 05:20 AM PST
Extended Forecast for

Clarkston WA

Air Stagnation Advisory January 19, 05:44am until January 20, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory January 19, 05:44am until January 20, 04:00pm

    NOW until 4:00pm Tue

    Air Stagnation Advisory

  • M.L.King Day

    High: 42 °F

    Areas Fog

  • Tonight

    Tonight: Increasing clouds, with a low around 31. Calm wind.

    Low: 31 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

M.L.King Day
Areas of fog between 8am and 3pm. Otherwise, mostly sunny, with a high near 42. Calm wind.
Tonight
Increasing clouds, with a low around 31. Calm wind.
Tuesday
Partly sunny, with a high near 44. Calm wind.
Tuesday Night
Partly cloudy, with a low around 30. Calm wind.
Wednesday
Mostly sunny, with a high near 44. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Partly sunny, with a high near 43.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Partly sunny, with a high near 46. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Clarkston WA
 46.42°N 117.04°W (Elev. 761 ft)
2:57 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