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

Severe Thunderstorm and Flash Flood Threats Continue into the Weekend

Severe thunderstorms are expected from the southern Plains to the Midwest through Friday night. Severe storm hazards may include large hail, severe winds, and tornadoes, some of which may be strong. There will be another chance for severe thunderstorms on Saturday for portions of Texas, the Lower Mississippi Valley, and the Ohio Valley. Storms could result in locally heavy rain and flash flooding. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Overcast

48°F

9°C

Humidity 62%
Wind Speed S 3 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 06 Mar 09:56 PM PST
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 1am. Cloudy, with a low around 45. Light south wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 10am. Cloudy through mid morning, then gradual clearing, with a high near 64. South wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 64 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. South wind around 9 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 10am. Partly sunny, with a high near 62. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 62 °F

    Slight Chance
    Rain and
    Breezy

  • Sunday Night

    Sunday Night: A chance of rain before 4am, then a slight chance of rain and snow. Mostly cloudy, with a low around 37. Breezy, with a west wind 15 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance Rain
    and Breezy
    then Chance
    Rain/Snow

  • Monday

    Monday: A chance of rain and snow before 4pm, then a chance of rain. Partly sunny, with a high near 48. Breezy. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow and
    Breezy

  • Monday Night

    Monday Night: A chance of rain and snow before 1am, then a chance of snow between 1am and 4am. Mostly cloudy, with a low around 31. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: A chance of snow after 10am, mixing with rain after 1pm. Partly sunny, with a high near 47. Chance of precipitation is 30%.

    High: 47 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.

    Low: 33 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
A 50 percent chance of rain, mainly before 1am. Cloudy, with a low around 45. Light south wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of rain before 10am. Cloudy through mid morning, then gradual clearing, with a high near 64. South wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 44. South wind around 9 mph.
Sunday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 62. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph.
Sunday Night
A chance of rain before 4am, then a slight chance of rain and snow. Mostly cloudy, with a low around 37. Breezy, with a west wind 15 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday
A chance of rain and snow before 4pm, then a chance of rain. Partly sunny, with a high near 48. Breezy. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
A chance of rain and snow before 1am, then a chance of snow between 1am and 4am. Mostly cloudy, with a low around 31. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
A chance of snow after 10am, mixing with rain after 1pm. Partly sunny, with a high near 47. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow before 10am, then a chance of rain. Cloudy, with a high near 55. Chance of precipitation is 50%.
Wednesday Night
A 50 percent chance of rain. Cloudy, with a low around 43.
Thursday
A 50 percent chance of rain. Cloudy, with a high near 57. Breezy.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.37°N 116.99°W (Elev. 1204 ft)
Last Update:
9:02 pm PST Mar 6, 2026
Forecast Valid:
10pm PST Mar 6, 2026-6pm PDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation