Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. 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 S 6 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 20 Feb 10:05 AM PST
Extended Forecast for

Lewiston ID

  • Today

    Today: Mostly cloudy, with a high near 38. Northwest wind around 6 mph.

    High: 38 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. East wind around 6 mph.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 47. East wind 6 to 9 mph.

    High: 47 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. East wind 6 to 8 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of rain after 4pm.  Partly sunny, with a high near 54. Southeast wind around 8 mph.

    High: 54 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A 40 percent chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 54. Chance of precipitation is 70%.

    High: 54 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain.  Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before 10am.  Mostly cloudy, with a high near 52. Chance of precipitation is 60%.

    High: 52 °F

    Rain Likely

Detailed Forecast

Today
Mostly cloudy, with a high near 38. Northwest wind around 6 mph.
Tonight
Mostly cloudy, with a low around 25. East wind around 6 mph.
Saturday
Partly sunny, with a high near 47. East wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 32. East wind 6 to 8 mph.
Sunday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 54. Southeast wind around 8 mph.
Sunday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 39.
Monday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.
Monday Night
Rain. Low around 41. Chance of precipitation is 80%.
Tuesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 52. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 34.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 51.
Wednesday Night
A 30 percent chance of rain. Partly cloudy, with a low around 36.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
8:27 am PST Feb 20, 2026
10am PST Feb 20, 2026-6pm PST Feb 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database