| NWS Forecast for: Lewiston Area Issued by: National Weather Service Spokane, WA Last Update: 1135 AM PDT Thu Aug 20 2026 |  |
Rest Of Today: Hot, sunny. Highs 92 to 101. Tonight: Mostly cloudy. Lows in the lower to mid 60s. Friday: Hot. Partly cloudy. Highs 96 to 104. Friday Night: Mostly cloudy with a 20 percent chance of showers. Lows in the mid 60s to lower 70s. Saturday: Mostly cloudy with a 20 percent chance of showers. Highs in the upper 80s to upper 90s. Saturday Night: Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 50s to lower 60s. Chance of precipitation 50 percent. Sunday And Sunday Night: Clear. Highs in the upper 70s to mid 80s. Lows in the lower 50s to lower 60s. Monday Through Wednesday: Mostly clear. Highs in the mid 80s to mid 90s. Lows in the lower 50s to lower 60s. | |
| Zone Forecast: Lewiston Area | |
Visit your local NWS office at: https://www.weather.gov/otx |