| NWS Forecast for: Lewis Lake WY Issued by: National Weather Service Riverton, WY Last Update: 7:32 pm MDT Oct 9, 2026 |  |
| Tonight: A 20 percent chance of showers after 5am. Increasing clouds, with a low around 40. South wind 10 to 13 mph, with gusts as high as 20 mph. Saturday: Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. High near 50. Breezy, with a south southwest wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Saturday Night: Showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 3am, then showers after 3am. Low around 35. Calm wind becoming south southeast 5 to 8 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible. Sunday: Showers and possibly a thunderstorm before 9am, then showers between 9am and noon, then showers and possibly a thunderstorm after noon. High near 46. South southeast wind 3 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible. Sunday Night: Rain showers before 9pm, then rain, possibly mixed with snow showers between 9pm and 3am, then rain showers after 3am. Low around 34. Light and variable wind becoming south southwest 5 to 10 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 100%. Little or no snow accumulation expected. Columbus Day: Rain, possibly mixed with snow showers, becoming all rain after noon. Some thunder is also possible. High near 46. Southwest wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Monday Night: Rain and snow showers likely, mainly after midnight. Snow level 9100 feet lowering to 8500 feet after midnight . Mostly cloudy, with a low around 30. Light south southeast wind. Chance of precipitation is 60%. Tuesday: A chance of rain and snow showers before noon, then a chance of rain showers. Some thunder is also possible. Snow level 8200 feet rising to 9200 feet in the afternoon. Partly sunny, with a high near 48. Chance of precipitation is 50%. Tuesday Night: Rain and snow showers likely, mainly before midnight. Snow level 9200 feet lowering to 8300 feet after midnight . Partly cloudy, with a low around 29. Chance of precipitation is 60%. Wednesday: A chance of snow showers before noon, then a chance of rain and snow showers. Snow level rising to 8600 feet in the afternoon. Mostly sunny, with a high near 46. Chance of precipitation is 30%. Wednesday Night: A chance of rain and snow showers. Partly cloudy, with a low around 27. Thursday: Mostly sunny, with a high near 48. Thursday Night: Mostly clear, with a low around 26. Friday: Sunny, with a high near 53. | |
| Lewis Lake WY 44.28°N 110.61°W (Elev. 8107 ft) | |
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