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

46°F

8°C

Humidity 73%
Wind Speed E 5 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 07 Mar 01:56 AM PST
Extended Forecast for

Lewiston ID

  • Overnight

    Overnight: A 50 percent chance of rain before 4am. Cloudy, with a low around 45. Light southeast wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: A slight chance of rain between 7am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 66. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. South wind 6 to 8 mph.

    Low: 45 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of rain after 10am. Partly sunny, with a high near 62. Breezy, with a west wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 62 °F

    Slight Chance
    Rain and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of rain before 4am. Mostly cloudy, with a low around 37. Breezy, with a west wind 16 to 24 mph, with gusts as high as 37 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Chance Rain
    and Breezy

  • Monday

    Monday: Rain and snow likely, mainly after 4pm. Partly sunny, with a high near 47. Breezy. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 47 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely and
    Breezy

  • Monday Night

    Monday Night: Rain and snow likely before 10pm, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Tuesday

    Tuesday: A chance of snow before 4pm, then a chance of rain and snow. Partly sunny, with a high near 46. Chance of precipitation is 30%.

    High: 46 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.

    Low: 32 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Overnight
A 50 percent chance of rain before 4am. Cloudy, with a low around 45. Light southeast wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of rain between 7am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 66. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 45. South wind 6 to 8 mph.
Sunday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 62. Breezy, with a west wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.
Sunday Night
A 50 percent chance of rain before 4am. Mostly cloudy, with a low around 37. Breezy, with a west wind 16 to 24 mph, with gusts as high as 37 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain and snow likely, mainly after 4pm. Partly sunny, with a high near 47. Breezy. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
Rain and snow likely before 10pm, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
A chance of snow before 4pm, then a chance of rain and snow. Partly sunny, with a high near 46. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow before 10am, then rain likely. Cloudy, with a high near 51. Chance of precipitation is 60%.
Wednesday Night
Rain likely. Cloudy, with a low around 42. Chance of precipitation is 60%.
Thursday
Rain and snow likely. Cloudy, with a high near 58. Breezy. Chance of precipitation is 60%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 55. 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 117°W (Elev. 1385 ft)
Last Update:
1:12 am PST Mar 7, 2026
Forecast Valid:
2am PST Mar 7, 2026-6pm PDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation