NWS Forecast for: Jackson WY Issued by: National Weather Service Riverton, WY Last Update: 6:04 pm MDT Jul 21, 2026

Flood Watch Tonight: Scattered showers and thunderstorms, mainly before 2am. Patchy smoke between 1am and 4am. Cloudy, then gradually becoming partly cloudy, with a low around 55. South wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 50%. Wednesday: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 85. Light and variable wind becoming west southwest 6 to 11 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Wednesday Night: Showers and possibly a thunderstorm before 10pm, then scattered showers and thunderstorms between 10pm and 3am, then scattered showers after 3am. Low around 52. North wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, then gradually becoming sunny, with a high near 85. Calm wind becoming west northwest 5 to 7 mph in the afternoon. Chance of precipitation is 60%. Thursday Night: Mostly clear, with a low around 52. West northwest wind 5 to 7 mph becoming calm in the evening. Friday: Sunny, with a high near 90. Calm wind becoming west 5 to 8 mph in the afternoon. Friday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55. Southwest wind 5 to 7 mph becoming calm after midnight. Saturday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 89. Saturday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54. Sunday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 89. Sunday Night: Partly cloudy, with a low around 53. Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53. Tuesday: A slight chance of showers and thunderstorms. Sunny, with a high near 89.

Jackson WY  43.49°N 110.75°W (Elev. 6329 ft)

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