Headline:
Winter Weather Advisory issued April 22 at 1:22PM MDT until April 23 at 11:00PM MDT by NWS Riverton WY
Event:
Winter Weather Advisory
Urgency:
Expected
Effective:
April 22, 2026 - 12:22pm
Expires:
April 23, 2026 - 7:00am
Description:
* WHAT...Snow expected. Total snow accumulations between 4 and 10
inches, with lesser accumulations of 1 to 4 inches nearby Mammoth
and the western entrance of YNP. Accumulations of 6 to 12 inches
are expected across the higher elevations with up to 18 inches at
Pitchstone Plateau in southwest Yellowstone. Winds gusting between
30 and 45 mph.
* WHERE...Yellowstone National Park.
* WHEN...Until 11 PM MDT Thursday.
* IMPACTS...Travel could be very difficult.
Instruction:
Slow down and use caution while traveling.
For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter.
For current road conditions across Yellowstone National Park, visit
https://nps.gov/yellowstone.
Area Description:
Yellowstone National Park
Forcast Office:
NWS Riverton WY
Sender: