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 75%
Wind Speed NW 5 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 14 Feb 12:30 PM PST
Extended Forecast for

Lewiston ID

  • This Afternoon

    This Afternoon: Rain likely, mainly after 4pm. Cloudy, with a high near 49. North wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Rain Likely

  • Tonight

    Tonight: Rain. Low around 40. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain

  • Sunday

    Sunday: Rain likely, mainly before 7am. Mostly cloudy, with a high near 48. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 38. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance Rain

  • Washington's Birthday

    Washington's Birthday: Rain likely, mainly after 10am. Cloudy, with a high near 52. Light and variable wind becoming southeast around 6 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely before 1am, then rain likely, possibly mixed with snow. Cloudy, with a low around 34. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Tuesday

    Tuesday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

    Low: 31 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 50%.

    High: 41 °F

    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Rain likely, mainly after 4pm. Cloudy, with a high near 49. North wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 40. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, mainly before 7am. Mostly cloudy, with a high near 48. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Washington's Birthday
Rain likely, mainly after 10am. Cloudy, with a high near 52. Light and variable wind becoming southeast around 6 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain likely before 1am, then rain likely, possibly mixed with snow. Cloudy, with a low around 34. Chance of precipitation is 70%. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday Night
A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 50%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.37°N 116.99°W (Elev. 1204 ft)
Last Update:
11:46 am PST Feb 14, 2026
Forecast Valid:
12pm PST Feb 14, 2026-6pm PST Feb 20, 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