Severe Thunderstorms and Heavy Rain Across the Central US; Wintry Mix in the Northern Plains and Northeast

Severe thunderstorms and flash flooding are possible across the central U.S. through Saturday. Large hail, damaging winds, and tornadoes are all possible. There is an increased threat for wildfire development in the southern to central High Plains. A wintry mix of snow, sleet and freezing rain are forecast across portions of the northern Plains and central New England into early Friday morning. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

39°F

4°C

Humidity 69%
Wind Speed SE 4 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 05 Mar 11:35 PM PST
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. South wind 3 to 7 mph.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain.  Mostly cloudy, with a high near 49. Calm wind becoming west around 6 mph in the afternoon.

    High: 49 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain.  Cloudy, with a low around 43. South wind 3 to 5 mph.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 61. Southwest wind 3 to 7 mph.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44. South wind around 6 mph.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain, mainly after 4pm.  Partly sunny, with a high near 62. Breezy.

    High: 62 °F

    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Chance Rain
    and Breezy

  • Monday

    Monday: A chance of rain and snow, mainly after 10am.  Partly sunny, with a high near 53. Breezy.  Chance of precipitation is 40%.

    High: 53 °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 32. Chance of precipitation is 50%.

    Low: 32 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. South wind 3 to 7 mph.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 49. Calm wind becoming west around 6 mph in the afternoon.
Friday Night
A 30 percent chance of rain. Cloudy, with a low around 43. South wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 61. Southwest wind 3 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 44. South wind around 6 mph.
Sunday
A 30 percent chance of rain, mainly after 4pm. Partly sunny, with a high near 62. Breezy.
Sunday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 43. Breezy.
Monday
A chance of rain and snow, mainly after 10am. Partly sunny, with a high near 53. Breezy. Chance of precipitation is 40%.
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 32. Chance of precipitation is 50%.
Tuesday
A chance of snow after 10am, mixing with rain after 4pm. Mostly 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 32. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Thursday
Rain and snow likely. Partly sunny, with a high near 52. Breezy. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
8:13 pm PST Mar 5, 2026
11pm PST Mar 5, 2026-6pm PDT Mar 12, 2026
 
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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