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.

Partly Cloudy

36°F

2°C

Humidity 64%
Wind Speed ENE 5 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 20 Feb 05:35 PM PST
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. East wind around 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 46. Southeast wind 6 to 9 mph.

    High: 46 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33. East wind around 7 mph.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 54. Southeast wind around 8 mph.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 39. Southeast wind 6 to 8 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 54. Chance of precipitation is 60%.

    High: 54 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain.  Low around 43. Chance of precipitation is 90%.

    Low: 43 °F

    Rain

  • Tuesday

    Tuesday: Rain.  High near 52. Chance of precipitation is 80%.

    High: 52 °F

    Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain before 4am.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. East wind around 6 mph.
Saturday
Partly sunny, with a high near 46. Southeast wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 33. East wind around 7 mph.
Sunday
Mostly sunny, with a high near 54. Southeast wind around 8 mph.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39. Southeast wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Monday Night
Rain. Low around 43. Chance of precipitation is 90%.
Tuesday
Rain. High near 52. Chance of precipitation is 80%.
Tuesday Night
A 50 percent chance of rain before 4am. Mostly cloudy, with a low around 36.
Wednesday
A 20 percent chance of rain after 10am. Mostly sunny, with a high near 50.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 34.
Thursday
A 30 percent chance of rain. Mostly sunny, with a high near 53.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Friday
A chance of rain and snow. Partly sunny, with a high near 53. Breezy. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
1:12 pm PST Feb 20, 2026
5pm PST Feb 20, 2026-6pm PST Feb 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