Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Overcast

39°F

4°C

Humidity 80%
Wind Speed WSW 13 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 14 Mar 09:05 AM PDT
Extended Forecast for

Lewiston ID

Flood Warning until March 14, 01:45pm
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning until March 14, 01:45pm

    NOW until 1:45pm Sat

    Flood Warning

  • Today

    High: 49 °F

    Chance Rain
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 31. West wind 12 to 17 mph becoming light  after midnight. Winds could gust as high as 26 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 50. Calm wind becoming east around 5 mph in the afternoon.

    High: 50 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of rain.  Cloudy, with a low around 41. East wind 3 to 5 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain.  Cloudy, with a high near 60. Southeast wind around 6 mph.

    High: 60 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 11pm.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Today
A 40 percent chance of rain, mainly after 11am. Partly sunny, with a high near 49. Breezy, with a west wind 21 to 24 mph, with gusts as high as 37 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Partly cloudy, with a low around 31. West wind 12 to 17 mph becoming light after midnight. Winds could gust as high as 26 mph.
Sunday
Partly sunny, with a high near 50. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
A 50 percent chance of rain. Cloudy, with a low around 41. East wind 3 to 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 30 percent chance of rain. Cloudy, with a high near 60. Southeast wind around 6 mph.
Monday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 46.
Tuesday
Mostly cloudy, with a high near 69.
Tuesday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 50.
Wednesday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 70.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 53.
Thursday
A 20 percent chance of rain. Mostly cloudy, with a high near 73.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 76.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.43°N 117.01°W (Elev. 784 ft)
4:47 am PDT Mar 14, 2026
9am PDT Mar 14, 2026-6pm PDT Mar 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