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

Critical Fire Weather and Severe Thunderstorm Threats This Week

Gusty winds and low relative humidity will contribute to critical fire weather Monday over parts of the central and southern High Plains. Scattered to widespread severe thunderstorms may bring damaging winds, large hail, and tornadoes Monday through Thursday over the lower Mississippi River Valley and southern Plains into the Midwest and Ohio Valley. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Overcast

41°F

5°C

Humidity 38%
Wind Speed WNW 8 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 09 Mar 04:35 AM PDT
Extended Forecast for

Lewiston ID

  • Overnight

    Overnight: A slight chance of rain and snow. Mostly cloudy, with a steady temperature around 41. West wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Rain/Snow

  • Monday

    Monday: A chance of snow before 4pm, then a chance of rain and snow. Partly sunny, with a high near 46. Breezy, with a west wind 15 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 46 °F

    Breezy.
    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 29. West wind 7 to 14 mph becoming south in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Tuesday

    Tuesday: A 20 percent chance of snow. Mostly sunny, with a high near 44. West wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 44 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 32. West wind 5 to 14 mph becoming south in the evening.

    Low: 32 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before 8am, then a chance of rain and snow between 8am and 11am, then rain after 11am. High near 51. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 51 °F

    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Rain. Low around 45. Windy. Chance of precipitation is 80%.

    Low: 45 °F

    Rain and
    Windy

  • Thursday

    Thursday: Rain. High near 54. Windy. Chance of precipitation is 80%.

    High: 54 °F

    Rain and
    Windy

  • Thursday Night

    Thursday Night: Rain. Low around 45. Windy. Chance of precipitation is 80%.

    Low: 45 °F

    Rain and
    Windy

Detailed Forecast

Overnight
A slight chance of rain and snow. Mostly cloudy, with a steady temperature around 41. West wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Monday
A chance of snow before 4pm, then a chance of rain and snow. Partly sunny, with a high near 46. Breezy, with a west wind 15 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 29. West wind 7 to 14 mph becoming south in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 44. West wind 6 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 32. West wind 5 to 14 mph becoming south in the evening.
Wednesday
A chance of snow before 8am, then a chance of rain and snow between 8am and 11am, then rain after 11am. High near 51. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Rain. Low around 45. Windy. Chance of precipitation is 80%.
Thursday
Rain. High near 54. Windy. Chance of precipitation is 80%.
Thursday Night
Rain. Low around 45. Windy. Chance of precipitation is 80%.
Friday
Rain likely. Cloudy, with a high near 55. Chance of precipitation is 70%.
Friday Night
Rain. Low around 45. Chance of precipitation is 80%.
Saturday
Rain and snow likely. Cloudy, with a high near 54. Breezy. Chance of precipitation is 70%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 38. Breezy. Chance of precipitation is 40%.
Sunday
A chance of rain and snow. Cloudy, with a high near 49. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 116.97°W (Elev. 1407 ft)
Last Update:
2:12 am PDT Mar 9, 2026
Forecast Valid:
4am PDT Mar 9, 2026-6pm PDT Mar 15, 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