National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Hazardous Weather Conditions

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

30°F

-1°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 30 Dec 10:20 PM PST
Extended Forecast for

Clarkston WA

Air Stagnation Advisory until January 1, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 1, 12:00pm

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • Tonight

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 45. Light northeast wind.

    High: 45 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 45. Calm wind.

    High: 45 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 40 percent chance of rain after 10pm. Cloudy, with a low around 37. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance Rain

  • Friday

    Friday: A 50 percent chance of rain. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Light east wind.
Wednesday
Partly sunny, with a high near 45. Light northeast wind.
Wednesday Night
Partly cloudy, with a low around 32. Calm wind.
New Year's Day
Mostly cloudy, with a high near 45. Calm wind.
Thursday Night
A 40 percent chance of rain after 10pm. Cloudy, with a low around 37. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 50.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 54.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 40.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 52.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 50.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clarkston WA
 46.42°N 117.04°W (Elev. 761 ft)
Last Update:
8:42 pm PST Dec 30, 2025
Forecast Valid:
10pm PST Dec 30, 2025-6pm PST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation