Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

39°F

4°C

Humidity 86%
Wind Speed E 6 MPH
Barometer 30.53 in (1033.86 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 14 Jan 01:35 AM PST
Extended Forecast for

Lewiston ID

Air Stagnation Advisory until January 16, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 16, 10:00am

    NOW until 10:00am Fri

    Air Stagnation Advisory

  • Overnight

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 47. Light and variable wind.

    High: 47 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 33. Calm wind.

    Low: 33 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 38. Calm wind.

    High: 38 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 35. Light east wind.
Wednesday
Sunny, with a high near 47. Light and variable wind.
Wednesday Night
Increasing clouds, with a low around 33. Calm wind.
Thursday
Mostly cloudy, with a high near 38. Calm wind.
Thursday Night
Mostly cloudy, with a low around 32. Calm wind.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 45.
Sunday Night
Mostly clear, with a low around 29.
M.L.King Day
Mostly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
1:12 am PST Jan 14, 2026
1am PST Jan 14, 2026-6pm PST Jan 20, 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