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 54%
Wind Speed S 4 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 14 Mar 08:56 PM PDT
Extended Forecast for

2 Miles WSW Lewiston ID

Flood Advisory until March 15, 12:00pm
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory until March 15, 12:00pm

    NOW until 12:00pm Sun

    Flood Advisory

  • Tonight

    Low: 29 °F

    Mostly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 47. Calm wind becoming east around 6 mph in the afternoon.

    High: 47 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 50 percent chance of rain.  Cloudy, with a low around 39. East wind around 5 mph becoming calm.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain.  Cloudy, with a high near 57. Southeast wind around 6 mph.

    High: 57 °F

    Chance Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain before 11pm.  Mostly cloudy, with a low around 45. Southeast wind around 7 mph.

    Low: 45 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am.  Mostly cloudy, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 29. West wind 6 to 11 mph becoming light south after midnight. Winds could gust as high as 20 mph.
Sunday
Increasing clouds, with a high near 47. Calm wind becoming east around 6 mph in the afternoon.
Sunday Night
A 50 percent chance of rain. Cloudy, with a low around 39. East wind around 5 mph becoming calm. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 30 percent chance of rain. Cloudy, with a high near 57. Southeast wind around 6 mph.
Monday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 45. Southeast wind around 7 mph.
Tuesday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 65.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 47.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 50.
Thursday
A 20 percent chance of rain. Mostly cloudy, with a high near 70.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 50.
Friday
Partly sunny, with a high near 70.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 49.
Saturday
A 20 percent chance of rain. Mostly cloudy, with a high near 69.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Lewiston ID
 46.38°N 117.03°W (Elev. 1201 ft)
6:07 pm PDT Mar 14, 2026
9pm PDT Mar 14, 2026-6pm PDT Mar 21, 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