Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Partly Cloudy

90°F

32°C

Humidity 22%
Wind Speed S 9 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 21 Aug 11:20 PM PDT
Extended Forecast for

2 Miles SSW Lewiston ID

Heat Advisory August 21, 11:35pm until August 22, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 21, 11:35pm until August 22, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • Tonight

    Low: 72 °F

    Haze

  • Saturday

    Saturday: A slight chance of thunderstorms after 5pm.  Mostly sunny and hot, with a high near 97. Light and variable wind becoming west 5 to 10 mph in the afternoon.  Chance of precipitation is 20%.

    High: 97 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm.  Partly cloudy, with a low around 62. West wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 86. Light northwest wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 58. Northwest wind 10 to 15 mph becoming light and variable  in the evening. Winds could gust as high as 25 mph.

    Low: 58 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

Tonight
Widespread haze between 1am and 3am. Patchy smoke between 2am and 3am. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming light and variable after midnight.
Saturday
A slight chance of thunderstorms after 5pm. Mostly sunny and hot, with a high near 97. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Partly cloudy, with a low around 62. West wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Sunny, with a high near 86. Light northwest wind increasing to 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
Clear, with a low around 58. Northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Lewiston ID
 46.38°N 117.03°W (Elev. 1201 ft)
10:41 pm PDT Aug 21, 2026
11pm PDT Aug 21, 2026-6pm PDT Aug 28, 2026
 
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Additional Resources

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