Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

74°F

23°C

Humidity 34%
Wind Speed NNE 3 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 21 Aug 08:56 AM PDT
Extended Forecast for

3 Miles ENE Lewiston ID

Heat Advisory August 21, 11:00am until August 21, 10:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Widespread haze before 2pm, then widespread haze after 4pm. Patchy smoke between 1pm and 3pm. Mostly sunny and hot, with a high near 107. Northeast wind 3 to 5 mph.

    High: 107 °F

    Mostly Sunny
    then Haze

  • Tonight

    Tonight: A 20 percent chance of showers after 11pm.  Widespread haze before 3am. Patchy smoke between 11pm and 2am. Mostly cloudy, with a low around 71. North wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 71 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 101. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 11pm.  Partly cloudy, with a low around 63. West wind 6 to 16 mph.

    Low: 63 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 89. Light northwest wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

Detailed Forecast

Today
Widespread haze before 2pm, then widespread haze after 4pm. Patchy smoke between 1pm and 3pm. Mostly sunny and hot, with a high near 107. Northeast wind 3 to 5 mph.
Tonight
A 20 percent chance of showers after 11pm. Widespread haze before 3am. Patchy smoke between 11pm and 2am. Mostly cloudy, with a low around 71. North wind 5 to 7 mph becoming light and variable after midnight.
Saturday
Mostly sunny and hot, with a high near 101. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Saturday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 63. West wind 6 to 16 mph.
Sunday
Sunny, with a high near 89. Light northwest wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Lewiston ID
 46.44°N 116.95°W (Elev. 1017 ft)
4:26 am PDT Aug 21, 2026
9am PDT Aug 21, 2026-6pm PDT Aug 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