Hot in Parts of the West; Cold Blast Coming to the Central U.S.

Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S. A blast of cold air will drop across the central and eastern U.S. later this week bringing below to well below normal temperatures. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

81°F

27°C

Humidity 24%
Wind Speed W 8 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 31 Aug 11:20 PM PDT
Extended Forecast for

Lewiston ID

Heat Advisory until September 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until September 4, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Tonight

    Low: 67 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny and hot, with a high near 101. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 101 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. West wind around 7 mph becoming southeast after midnight.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. Southeast wind around 6 mph becoming light and variable.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. North wind around 6 mph becoming southeast after midnight.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 67. Southeast wind around 6 mph.
Labor Day
Sunny and hot, with a high near 101. Light and variable wind becoming west around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 67. West wind around 7 mph becoming southeast after midnight.
Tuesday
Sunny and hot, with a high near 102. Southeast wind around 6 mph becoming light and variable.
Tuesday Night
Mostly clear, with a low around 68. North wind around 6 mph becoming southeast after midnight.
Wednesday
Sunny and hot, with a high near 102.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny and hot, with a high near 100.
Thursday Night
Mostly clear, with a low around 69.
Friday
Mostly sunny and hot, with a high near 97.
Friday Night
Partly cloudy, with a low around 68.
Saturday
A chance of sprinkles. Mostly sunny, with a high near 93.
Saturday Night
A 20 percent chance of sprinkles with a slight chance of showers. Mostly cloudy, with a low around 65.
Sunday
A 20 percent chance of sprinkles with a slight chance of showers. Partly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 116.97°W (Elev. 1407 ft)
10:42 pm PDT Aug 31, 2025
11pm PDT Aug 31, 2025-6pm PDT Sep 7, 2025
 
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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