Headline:
Winter Weather Advisory issued April 23 at 1:09AM MDT until April 23 at 11:00PM MDT by NWS Riverton WY
Event:
Winter Weather Advisory
Urgency:
Expected
Effective:
April 23, 2026 - 12:09am
Expires:
April 23, 2026 - 5:00pm
Description:
* WHAT...Snow. Additional snow accumulations of 2 to 6 inches, with
up to 12 inches across higher elevations of the Pitchstone Plateau
in southwest Yellowstone. Additional accumulations of 0.5 to 2
inches near Mammoth and the west entrance. Winds gusting between
20 and 35 mph.
* WHERE...Yellowstone National Park.
* WHEN...Until 11 PM MDT this evening.
* IMPACTS...Travel could be difficult.
* ADDITIONAL DETAILS...Up to 4 inches possible from Old Faithful to
Canyon.
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 winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .
Area Description:
Yellowstone National Park
Forcast Office:
NWS Riverton WY
Sender:
w-nws.webmaster@noaa.gov