Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. 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 69%
Wind Speed SE 6 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 21 Jan 10:56 AM PST
Extended Forecast for

2 Miles WSW Lewiston ID

  • Today

    Today: Mostly cloudy, with a high near 37. Calm wind.

    High: 37 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 36. Calm wind.

    High: 36 °F

    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 35. Calm wind becoming north around 5 mph in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 37. Calm wind.
Tonight
Mostly cloudy, with a low around 27. Calm wind.
Thursday
Cloudy, with a high near 36. Calm wind.
Thursday Night
Mostly cloudy, with a low around 25. Calm wind.
Friday
Mostly sunny, with a high near 35. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 21.
Saturday
Sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 27.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Lewiston ID
 46.38°N 117.03°W (Elev. 1201 ft)
8:52 am PST Jan 21, 2026
11am PST Jan 21, 2026-6pm PST Jan 27, 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