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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 critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday 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

36°F

2°C

Humidity 74%
Wind Speed WNW 9 MPH
Barometer 29.75 in (1007.45 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 19 Feb 07:05 PM PST
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: A chance of rain and snow showers before midnight, then a chance of snow. Mostly cloudy, with a low around 29. Northwest wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday

    Friday: A 30 percent chance of snow before 7am. Mostly sunny, with a high near 41. West wind 3 to 6 mph. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28. East wind around 5 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49. Southeast wind 6 to 9 mph.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. East wind around 7 mph.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

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

    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 40.

    Low: 40 °F

    Chance Rain

  • Monday

    Monday: Rain, mainly after 10am. High near 58. Chance of precipitation is 80%.

    High: 58 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Rain

Detailed Forecast

Tonight
A chance of rain and snow showers before midnight, then a chance of snow. Mostly cloudy, with a low around 29. Northwest wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow before 7am. Mostly sunny, with a high near 41. West wind 3 to 6 mph. New snow accumulation of less than a half inch possible.
Friday Night
Mostly cloudy, with a low around 28. East wind around 5 mph.
Saturday
Mostly sunny, with a high near 49. Southeast wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 35. East wind around 7 mph.
Sunday
A 10 percent chance of rain after 4pm. Partly sunny, with a high near 54.
Sunday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 40.
Monday
Rain, mainly after 10am. High near 58. Chance of precipitation is 80%.
Monday Night
Rain. Low around 42. Chance of precipitation is 80%.
Tuesday
Rain likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 53.
Wednesday Night
A 30 percent chance of rain. Partly cloudy, with a low around 38.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.43°N 117.01°W (Elev. 784 ft)
Last Update:
6:12 pm PST Feb 19, 2026
Forecast Valid:
7pm PST Feb 19, 2026-6pm PST Feb 26, 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