Lewiston, Idaho Weather
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Weather Forecast for Lewiston, Idaho : Nez Perce County
Issued: 11:04 am PDT Sep 8, 2025 Latitude: 46.4165506 Longitude: -117.0176569 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
10% chance of rain on This Afternoon 40% chance of thunderstorms on Tonight 40% chance of on Tuesday 50% chance of thunderstorms on Wednesday 60% chance of thunderstorms on Thursday 30% chance of on Friday 20% chance of rain on Saturday 40% chance of on Sunday
High: 90°F Low: 63°F High: 83°F High: 83°F High: 79°F High: 81°F High: 84°F High: 83°F
Low: 63°F Low: 64°F Low: 62°F Low: 61°F Low: 62°F  
Rain Thunderstorms Partly Sunny Thunderstorms Thunderstorms Partly Sunny Rain Partly Sunny
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Current Conditions at
LEWISTON - (KLWS)
79°
Clear
as of 12:56 PM PDST
Rel. Humidity: 44%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
3 MPH
080° East
Cloud Level(s): Clear
Current Conditions at
PULLMAN - (KPUW)
79°
Clear
as of 12:53 PM PDST
Rel. Humidity: 34%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Clear
Current Conditions at
WALLA WALLA - (KALW)
81°
Clear
as of 12:53 PM PDST
Rel. Humidity: 30%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
10% chance of rain This Afternoon This Afternoon... A 10 percent chance of showers after 5pm. Mostly sunny, with a high near 90. Light west wind.
40% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Northwest wind 3 to 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
40% chance of Tuesday Tuesday... A 40 percent chance of showers. Partly sunny, with a high near 83. Calm wind becoming northwest around 6 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
40% chance of thunderstorms Tuesday Night Tuesday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. West wind 3 to 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
50% chance of thunderstorms Wednesday Wednesday... A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 83. Calm wind becoming northwest 5 to 7 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Wednesday Night Wednesday Night... Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
60% chance of thunderstorms Thursday Thursday... A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
40% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
30% chance of Friday Friday... A 30 percent chance of showers, mainly after 11am. Partly sunny, with a high near 81.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 61.
20% chance of rain Saturday Saturday... A 20 percent chance of showers. Mostly sunny, with a high near 84.
30% chance of rain Saturday Night Saturday Night... A 30 percent chance of showers. Partly cloudy, with a low around 62.
40% chance of Sunday Sunday... A 40 percent chance of showers. Partly sunny, with a high near 83.
Sun Almanac for Lewiston, Idaho
Sunrise: 06:18 AM
Sunset: 7:13 PM
Civil Sunrise:05:47 AM
Civil Sunset: 7:44 PM
Nautical Sunrise: 05:11 AM
Nautical Sunset: 8:20 PM
Astro Sunrise: 04:32 AM
Astro Sunset: 8:59 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.