NWS Forecast for: Yellowstone National Park WY Issued by: National Weather Service Riverton, WY Last Update: 1:43 pm MDT May 16, 2025

Hazardous Weather Outlook This Afternoon: A slight chance of snow showers before 4pm, then scattered rain and snow showers. Some thunder is also possible. Snow level 8400 feet. Mostly cloudy, with a high near 43. West southwest wind 11 to 13 mph. Chance of precipitation is 30%. Tonight: Rain and snow showers likely before 1am, then scattered snow showers between 1am and 4am. Mostly cloudy, with a low around 31. Southwest wind 7 to 11 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible. Saturday: Scattered showers and thunderstorms, mainly after 5pm. Snow level rising to 9400 feet in the afternoon. Partly sunny, with a high near 51. South southwest wind 7 to 9 mph. Chance of precipitation is 30%. Saturday Night: Rain showers before 1am, then rain and snow showers. Some thunder is also possible. Snow level 9500 feet lowering to 8700 feet after midnight . Low around 33. South southeast wind 5 to 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected. Sunday: Rain and snow showers, becoming all snow after 3pm. Some thunder is also possible. Snow level 8400 feet. High near 41. Southwest wind 5 to 7 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible. Sunday Night: Snow showers, mainly before midnight. Low around 26. West southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 80%. Monday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 42. Northwest wind around 7 mph, with gusts as high as 20 mph. Monday Night: A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 28. Tuesday: A chance of snow showers after noon, mixing with rain after 3pm. Mostly sunny, with a high near 48. Chance of precipitation is 40%. Tuesday Night: A chance of rain and snow showers before midnight. Snow level 8900 feet lowering to 8300 feet after midnight . Partly cloudy, with a low around 29. Chance of precipitation is 40%. Wednesday: A slight chance of rain and snow showers. Some thunder is also possible. Snow level rising to 9100 feet in the afternoon. Mostly sunny, with a high near 52. Wednesday Night: A slight chance of rain and snow showers. Snow level 9300 feet lowering to 8700 feet after midnight . Mostly cloudy, with a low around 32. Thursday: A chance of rain and snow showers. Snow level 8600 feet rising to 9200 feet in the afternoon. Mostly sunny, with a high near 53.

Yellowstone National Park WY  44.57°N 110.5°W (Elev. 8340 ft)

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