Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

41°F

5°C

Humidity 65%
Wind Speed SW 3 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 21 Feb 08:15 PM PST
Extended Forecast for

2 Miles WSW Lewiston ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. East wind 6 to 8 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 54. East wind 7 to 9 mph.

    High: 54 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 39. Southeast wind 5 to 8 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 4pm.  Mostly cloudy, with a high near 55. South wind 5 to 8 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain.  Low around 43. South wind 5 to 7 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Tuesday

    Tuesday: Rain.  High near 51. Chance of precipitation is 90%.

    High: 51 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 10am.  Mostly sunny, with a high near 50.

    High: 50 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. East wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 54. East wind 7 to 9 mph.
Sunday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 39. Southeast wind 5 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 55. South wind 5 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 43. South wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 51. Chance of precipitation is 90%.
Tuesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of rain, mainly after 10am. Mostly sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
A 20 percent chance of rain after 10am. Mostly sunny, with a high near 53.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 52.
Friday Night
A slight chance of rain and snow. Partly cloudy, with a low around 33. Chance of precipitation is 20%.
Saturday
A slight chance of rain and snow. Partly sunny, with a high near 49. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Lewiston ID
 46.38°N 117.03°W (Elev. 1201 ft)
2:46 pm PST Feb 21, 2026
8pm PST Feb 21, 2026-6pm PST Feb 28, 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