



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 >
Hazardous Weather Conditions
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 Index | 79°F (26°C) |
Last update | 31 Aug 11:20 PM PDT |
Extended Forecast for
Lewiston ID
Heat Advisory until September 4, 08:00pm
NOW until 8:00pm Thu
Heat Advisory
Tonight
Low: 67 °F
Mostly Clear
Labor Day
High: 101 °F
Hot
Monday Night
Low: 67 °F
Mostly Clear
Tuesday
High: 102 °F
Hot
Tuesday Night
Low: 68 °F
Mostly Clear
Wednesday
High: 102 °F
Hot
Wednesday Night
Low: 68 °F
Mostly Clear
Thursday
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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Lewiston ID
46.39°N 116.97°W (Elev. 1407 ft)
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