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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Partly Cloudy

37°F

3°C

Humidity 74%
Wind Speed ENE 6 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 28 Jan 10:05 AM PST
Extended Forecast for

Lewiston ID

  • Today

    Today: Partly sunny, with a high near 44. Light and variable wind.

    High: 44 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Light southeast wind.

    Low: 35 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain. Cloudy, with a high near 45. East wind 3 to 5 mph.

    High: 45 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 10 percent chance of rain after 4am. Cloudy, with a low around 37. Southeast wind around 5 mph.

    Low: 37 °F

    Cloudy then
    Slight Chance
    Rain

  • Friday

    Friday: A 20 percent chance of rain before 10am. Cloudy, with a high near 50. Southeast wind around 6 mph.

    High: 50 °F

    Slight Chance
    Rain then
    Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 44. Light and variable wind.
Tonight
Mostly cloudy, with a low around 35. Light southeast wind.
Thursday
A 20 percent chance of rain. Cloudy, with a high near 45. East wind 3 to 5 mph.
Thursday Night
A 10 percent chance of rain after 4am. Cloudy, with a low around 37. Southeast wind around 5 mph.
Friday
A 20 percent chance of rain before 10am. Cloudy, with a high near 50. Southeast wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly cloudy, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly cloudy, with a high near 52.
Sunday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 39.
Monday
A 20 percent chance of rain. Partly sunny, with a high near 52.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
Last Update:
9:48 am PST Jan 28, 2026
Forecast Valid:
10am PST Jan 28, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation