News Release

NPS / Jacob W. Frank
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Contact: Morgan Warthin, (307) 344-2015
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Visitors to Yellowstone National Park should be aware that winter weather is expected in the park this evening, especially on high elevation passes.
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Weather can change quickly this time of year in the mountains.
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The weather forecast for Friday evening, Sept. 22 predicts 90% precipitation with possible 5-9 inches of snow accumulation on Sylvan Pass, located on the East Entrance Road.
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If road conditions deteriorate due to the predicted winter weather, staff will close the East Entrance Road to Sylvan Pass and other roads as appropriate.
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If needed, staff will evaluate conditions the morning of Saturday, Sept. 23 and will reopen the road (if it closes) when conditions allow.
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For up-to-date information about park roads:
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Visit Park Roads.
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Call (307) 344-2117 for recorded information.
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Sign up to receive Yellowstone road alerts on your mobile phone by texting 82190 to 888-777 (an automatic text reply will confirm receipt and provide instructions).
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Check road conditions outside of Yellowstone in Montana, Wyoming, Idaho, and Grand Teton National Park.
Last updated: September 22, 2023