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

Fire Weather in the Central and Southern Plains; Pacific Storms Impacting the West

Gusty to high winds and low relative humidity will bring elevated to critical fire weather to the central and southern Plains into Wednesday. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain, and heavy mountain snow. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Mist

46°F

8°C

Humidity 79%
Wind Speed N 3 MPH
Barometer 29.4 in (995.6 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 16 Feb 10:56 AM PST
Extended Forecast for

Lewiston ID

  • Washington's Birthday

    Washington's Birthday: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 54. East wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain Likely

  • Tonight

    Tonight: Rain, possibly mixed with snow before midnight, then rain between midnight and 1am, then a chance of rain and snow after 1am. Low around 31. West wind 6 to 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain/Snow

  • Tuesday

    Tuesday: A slight chance of snow before 7am, then a chance of rain and snow after 1pm. Increasing clouds, with a high near 46. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 46 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 32. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow. Mostly cloudy, with a high near 40. Light west wind increasing to 5 to 9 mph in the morning. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow before 10pm, then a slight chance of snow after 4am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 26 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 39. Little or no snow accumulation expected.

    High: 39 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow, mainly before 4pm. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance Snow

Detailed Forecast

Washington's Birthday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 54. East wind 7 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, possibly mixed with snow before midnight, then rain between midnight and 1am, then a chance of rain and snow after 1am. Low around 31. West wind 6 to 9 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday
A slight chance of snow before 7am, then a chance of rain and snow after 1pm. Increasing clouds, with a high near 46. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 32. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 40. Light west wind increasing to 5 to 9 mph in the morning. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of snow before 10pm, then a slight chance of snow after 4am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
A 30 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 39. Little or no snow accumulation expected.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 28.
Friday
A 40 percent chance of snow, mainly before 4pm. Mostly cloudy, with a high near 39.
Friday Night
A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
A slight chance of rain and snow. Mostly cloudy, with a high near 49. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
Last Update:
9:37 am PST Feb 16, 2026
Forecast Valid:
11am PST Feb 16, 2026-6pm PST Feb 22, 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