| NWS Forecast for: Lewiston ID Issued by: National Weather Service Spokane, WA Last Update: 1:22 am PDT Jul 16, 2026 |  |
Overnight: Partly cloudy, with a low around 19. Calm wind. Thursday: A 30 percent chance of showers and thunderstorms, mainly after 11am. Mostly sunny and hot, with a high near 40. Light and variable wind becoming northeast 18 to 23 km/h in the morning. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms. Thursday Night: A 20 percent chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 20. North wind 5 to 14 km/h becoming west after midnight. Winds could gust as high as 29 km/h. Friday: Sunny and hot, with a high near 36. Northeast wind 5 to 14 km/h becoming northwest in the morning. Friday Night: Mostly clear, with a low around 18. Northwest wind 5 to 13 km/h. Saturday: Sunny and hot, with a high near 37. Saturday Night: Clear, with a low around 18. Sunday: Sunny and hot, with a high near 37. Sunday Night: Mostly clear, with a low around 18. Monday: Mostly sunny and hot, with a high near 38. Monday Night: Mostly cloudy, with a low around 21. Tuesday: Mostly sunny and hot, with a high near 38. Tuesday Night: Partly cloudy, with a low around 21. Wednesday: Mostly sunny and hot, with a high near 38. | |
| Lewiston ID 46.41°N 117°W (Elev. 945 m) | |
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