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

Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Mist

46°F

8°C

Humidity 61%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 13 Feb 06:35 PM PST
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: A 40 percent chance of rain, mainly between 7pm and 4am. Cloudy, with a low around 42. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain, mainly after 7am. Cloudy, with a high near 51. Calm wind becoming east around 5 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely. Cloudy, with a low around 42. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely

  • Sunday

    Sunday: A 40 percent chance of rain. Mostly cloudy, with a high near 51. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Slight Chance
    Rain

  • Washington's Birthday

    Washington's Birthday: A 30 percent chance of rain. Mostly cloudy, with a high near 53.

    High: 53 °F

    Chance Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain likely, mainly before 10am. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Tonight
A 40 percent chance of rain, mainly between 7pm and 4am. Cloudy, with a low around 42. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 50 percent chance of rain, mainly after 7am. Cloudy, with a high near 51. Calm wind becoming east around 5 mph in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain likely. Cloudy, with a low around 42. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 51. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 39. Calm wind.
Washington's Birthday
A 30 percent chance of rain. Mostly cloudy, with a high near 53.
Monday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 39. Chance of precipitation is 60%.
Tuesday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 49. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34.
Wednesday
A chance of rain and snow before 10am, then a chance of rain. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.43°N 117.01°W (Elev. 784 ft)
Last Update:
2:37 pm PST Feb 13, 2026
Forecast Valid:
6pm PST Feb 13, 2026-6pm PST Feb 20, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation