Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend
Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. 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
68°F
20°C
| Humidity | 37% |
| Wind Speed | NNE 3 MPH |
| Barometer | 30.07 in (1018.29 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Last update | 09 Aug 12:30 AM PDT |
Extended Forecast for
Lewiston IDSimilar City Names
Heat Advisory August 11, 12:00pm until August 12, 08:00pm
Overnight
Low: 63 °F
Mostly Cloudy
Saturday
High: 93 °F
Decreasing
CloudsSaturday Night
Low: 64 °F
Mostly Clear
Sunday
High: 99 °F
Hot
Sunday Night
Low: 69 °F
Clear
Monday
High: 102 °F
Hot
Monday Night
Low: 70 °F
Clear
Tuesday
High: 106 °F
Hot
Tuesday Night
Low: 70 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 63. Light and variable wind.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 93. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 64. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 99. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Sunday Night
Clear, with a low around 69. Northwest wind 5 to 8 mph becoming light and variable in the evening.
Monday
Sunny and hot, with a high near 102.
Monday Night
Clear, with a low around 70.
Tuesday
Sunny and hot, with a high near 106.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 87.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Lewiston IDSimilar City Names
46.43°N 117.01°W (Elev. 784 ft)
46.43°N 117.01°W (Elev. 784 ft)
10:15 pm PDT Aug 8, 2025
12am PDT Aug 9, 2025-6pm PDT Aug 15, 2025
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