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

36°F

2°C

Humidity 64%
Wind Speed E 10 MPH
Barometer 30.18 in (1022.01 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 21 Feb 09:05 AM PST
Extended Forecast for

Lewiston IDSimilar City Names

  • Today

    Today: Increasing clouds, with a high near 49. East wind 8 to 10 mph.

    High: 49 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. Northeast wind around 8 mph.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of rain after 4pm.  Mostly sunny, with a high near 57. Southeast wind 6 to 8 mph.

    High: 57 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A 40 percent chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 40. Southeast wind 3 to 6 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 4pm.  Mostly cloudy, with a high near 57. South wind 3 to 7 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain.  Low around 46. Chance of precipitation is 90%.

    Low: 46 °F

    Rain

  • Tuesday

    Tuesday: Rain.  High near 55. Chance of precipitation is 80%.

    High: 55 °F

    Rain

  • Tuesday Night

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

    Low: 38 °F

    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain.  Mostly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Increasing clouds, with a high near 49. East wind 8 to 10 mph.
Tonight
Mostly cloudy, with a low around 37. Northeast wind around 8 mph.
Sunday
A 10 percent chance of rain after 4pm. Mostly sunny, with a high near 57. Southeast wind 6 to 8 mph.
Sunday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 40. Southeast wind 3 to 6 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 57. South wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 46. Chance of precipitation is 90%.
Tuesday
Rain. High near 55. Chance of precipitation is 80%.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 52.
Wednesday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 36.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 56.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 38.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston IDSimilar City Names
 46.43°N 117.01°W (Elev. 784 ft)
8:58 am PST Feb 21, 2026
9am PST Feb 21, 2026-6pm PST Feb 27, 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