Official

Winter Storm Watch issued December 13 at 12:17AM MST until December 15 at 5:00PM MST by NWS Riverton WY

* WHAT…Heavy snow possible. Total snow accumulations over 1 foot
for southwest Yellowstone, 6 to 10 inches near Old Faithful, and
up to 2 to 5 inches from Mammoth to Tower Junction.

* WHERE…Yellowstone National Park.

* WHEN…From Saturday afternoon through Sunday evening.

* IMPACTS…Travel could be very difficult to impossible.

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