NWS Forecast for: Yellowstone National Park Issued by: National Weather Service Riverton, WY Last Update: 323 PM MDT Fri May 29 2020

Hydrologic Outlook Hazardous Weather Outlook Late This Afternoon: Partly cloudy with a 40 percent chance of rain showers and thunderstorms. Some thunderstorms may produce gusty winds and small hail. Highs 66 to 72. Tonight: Partly cloudy until early morning then clearing. Chance of rain showers and thunderstorms early in the evening. Some thunderstorms may produce gusty winds and small hail early in the evening. Lows 37 to 43. Chance of precipitation 30 percent. Saturday: Mostly sunny early in the morning then becoming partly cloudy. Chance of rain showers and slight chance of thunderstorms late in the afternoon. Some thunderstorms may produce gusty winds and small hail in the afternoon. Highs 67 to 75. Chance of precipitation 30 percent. Saturday Night: Partly cloudy then becoming mostly cloudy in the late evening and early morning then becoming partly cloudy. Chance of rain showers and slight chance of thunderstorms early in the evening, then chance of rain showers in the late evening and early morning. Some thunderstorms may produce gusty winds and small hail early in the evening. Lows 41 to 47. Chance of precipitation 30 percent. Sunday: Mostly sunny. Highs 59 to 67. Southwest winds around 15 mph with gusts to around 30 mph. Sunday Night: Mostly clear in the evening then becoming partly cloudy. Lows 37 to 43. Southwest winds around 15 mph in the evening. Monday: Mostly sunny. Highs 63 to 71. Monday Night: Partly cloudy. Lows 39 to 45. Tuesday: Partly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 59 to 67. Chance of precipitation 30 percent. Tuesday Night: Mostly cloudy with chance of rain showers and slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 38 to 44. Chance of precipitation 20 percent. Wednesday: Partly cloudy in the morning, then mostly cloudy with rain showers likely and chance of thunderstorms in the afternoon. Highs 58 to 66. Chance of precipitation 60 percent. Wednesday Night: Mostly cloudy in the evening then becoming partly cloudy. A 30 percent chance of rain showers. Lows 38 to 44. Thursday: Partly cloudy. Chance of rain showers in the morning, then rain showers likely in the afternoon. Highs 56 to 64. Chance of showers 60 percent. Thursday Night: Partly cloudy with a 30 percent chance of rain showers. Lows 38 to 44. Friday: Mostly cloudy. Chance of rain showers in the morning, then rain showers likely in the afternoon. Highs 56 to 64. Chance of showers 60 percent.

Zone Forecast: Yellowstone National Park

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