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

50°F

10°C

Humidity 57%
Wind Speed E 5 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 06 Mar 07:05 PM PST
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before 1am. Cloudy, with a low around 47. Northeast wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 65. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 65 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 44. Southwest wind 6 to 8 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 10am. Partly sunny, with a high near 65. Breezy, with a west wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 65 °F

    Slight Chance
    Rain and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 40. Breezy, with a west wind 13 to 20 mph, with gusts as high as 31 mph.

    Low: 40 °F

    Chance Rain
    and Breezy

  • Monday

    Monday: A slight chance of rain and snow before 10am, then a chance of rain. Partly sunny, with a high near 50. Breezy. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 50 °F

    Chance
    Rain/Snow
    then Chance
    Rain and
    Breezy

  • Monday Night

    Monday Night: A chance of rain before 1am, then a chance of rain and snow between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 33. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: A slight chance of snow before 10am, then a chance of rain and snow. Partly sunny, with a high near 49. Chance of precipitation is 30%.

    High: 49 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.

    Low: 35 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
A 50 percent chance of rain, mainly before 1am. Cloudy, with a low around 47. Northeast wind around 5 mph becoming calm in the evening. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of rain before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 65. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 44. Southwest wind 6 to 8 mph.
Sunday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 65. Breezy, with a west wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
A 40 percent chance of rain, mainly before 4am. Mostly cloudy, with a low around 40. Breezy, with a west wind 13 to 20 mph, with gusts as high as 31 mph.
Monday
A slight chance of rain and snow before 10am, then a chance of rain. Partly sunny, with a high near 50. Breezy. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
A chance of rain before 1am, then a chance of rain and snow between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 33. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
A slight chance of snow before 10am, then a chance of rain and snow. Partly sunny, with a high near 49. Chance of precipitation is 30%.
Tuesday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow before 10am, then a chance of rain. Cloudy, with a high near 56. Chance of precipitation is 50%.
Wednesday Night
A 50 percent chance of rain. Cloudy, with a low around 45.
Thursday
A 50 percent chance of rain. Cloudy, with a high near 59.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Partly sunny, with a high near 52. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.43°N 117.01°W (Elev. 784 ft)
Last Update:
2:57 pm PST Mar 6, 2026
Forecast Valid:
7pm PST Mar 6, 2026-6pm PDT Mar 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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