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

39°F

4°C

Humidity 86%
Wind Speed ENE 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 13 Feb 11:00 AM PST
Extended Forecast for

Lewiston ID

  • Today

    Today: Mostly cloudy, with a high near 51. East wind around 5 mph becoming south in the afternoon.

    High: 51 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 1am. Cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Chance Rain

  • Saturday

    Saturday: A 50 percent chance of rain. Cloudy, with a high near 50. Calm wind becoming east around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 4am. Cloudy, with a low around 39. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain Likely

  • Sunday

    Sunday: A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 49. Light and variable wind. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain

  • Washington's Birthday

    Washington's Birthday: A 30 percent chance of rain. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy, with a high near 51. East wind around 5 mph becoming south in the afternoon.
Tonight
A 40 percent chance of rain, mainly after 1am. Cloudy, with a low around 40. Calm wind.
Saturday
A 50 percent chance of rain. Cloudy, with a high near 50. Calm wind becoming east around 5 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely, mainly before 4am. Cloudy, with a low around 39. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 30 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 49. 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 37.
Washington's Birthday
A 30 percent chance of rain. Mostly cloudy, with a high near 52.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 51.
Tuesday Night
A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 40%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 45. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.37°N 116.99°W (Elev. 1204 ft)
Last Update:
9:27 am PST Feb 13, 2026
Forecast Valid:
11am PST Feb 13, 2026-6pm PST Feb 19, 2026
 
Forecast Discussion
 
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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