Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Overcast

41°F

5°C

Humidity 86%
Wind Speed E 5 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 13 Mar 11:00 AM PDT
Extended Forecast for

Lewiston ID

Flood Watch March 13, 11:28am until March 14, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 13, 11:28am until March 14, 05:00pm

    NOW until 5:00pm Sat

    Flood Watch

  • Today

    High: 48 °F

    Rain

  • Tonight

    Tonight: Rain.  Steady temperature around 46. Southwest wind 8 to 10 mph becoming southeast in the evening. Winds could gust as high as 20 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    Rain

  • Saturday

    Saturday: Rain before 8am, then rain and snow likely between 8am and 10am, then snow likely after 10am.  Steady temperature around 42. Breezy, with a west wind 16 to 24 mph, with gusts as high as 36 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Breezy.
    Rain/Snow
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 11pm.  Mostly cloudy, with a low around 30. Breezy, with a southwest wind 17 to 22 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 32 mph.

    Low: 30 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 47. Light and variable wind.

    High: 47 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 50 percent chance of rain.  Cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

  • Monday

    Monday: A 30 percent chance of rain.  Cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

  • Monday Night

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

    Low: 45 °F

    Chance Rain

Detailed Forecast

Today
Rain. High near 48. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain. Steady temperature around 46. Southwest wind 8 to 10 mph becoming southeast in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Rain before 8am, then rain and snow likely between 8am and 10am, then snow likely after 10am. Steady temperature around 42. Breezy, with a west wind 16 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 30. Breezy, with a southwest wind 17 to 22 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 32 mph.
Sunday
Mostly cloudy, with a high near 47. Light and variable wind.
Sunday Night
A 50 percent chance of rain. Cloudy, with a low around 39.
Monday
A 30 percent chance of rain. Cloudy, with a high near 57.
Monday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 45.
Tuesday
A 20 percent chance of rain. Mostly cloudy, with a high near 66.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 47.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 70.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 50.
Thursday
A 20 percent chance of rain. Mostly cloudy, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
10:27 am PDT Mar 13, 2026
11am PDT Mar 13, 2026-6pm PDT Mar 19, 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