| NWS Forecast for: Lewiston Area Issued by: National Weather Service Spokane, WA Last Update: 209 AM PDT Sun Jun 21 2026 |  |
| Today: Sunny. Highs in the upper 70s to upper 80s. Northwest wind 5 to 15 mph in the afternoon. Tonight: Mostly clear. Lows in the lower to mid 50s. Gusts up to 20 mph in the evening. Monday: Sunny. Highs in the lower 80s to lower 90s. Gusts up to 20 mph in the afternoon. Monday Night: Clear. Lows in the lower to mid 50s. Tuesday: Sunny, warmer. Highs in the mid 80s to mid 90s. Tuesday Night Through Thursday: Mostly clear. Lows in the mid 50s to lower 60s. Highs in the mid 80s to mid 90s. Thursday Night: Partly cloudy with a 20 percent chance of rain showers. Lows in the mid to upper 50s. Friday: Not as warm. Mostly cloudy with a 40 percent chance of rain showers. Highs in the 70s. Friday Night: Mostly cloudy with a 50 percent chance of rain showers. Lows in the lower to mid 50s. Saturday: Windy. Partly cloudy with a 40 percent chance of rain showers. Highs in the upper 60s to mid 70s. | |
| Zone Forecast: Lewiston Area | |
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