Værmelding for Hellroaring Mountain

Cold Weather Advisory issued January 20 at 1:39PM MST until January 21 at 10:00AM MST by NWS Riverton WY* WHAT...Very cold wind chill temperatures will drop to 20 to 30degrees below zero overnight.* WHERE...Yellowstone National Park.* WHEN...Until 10 AM MST Tuesday.* IMPACTS...The dangerously cold wind chills as low as 30 below zerocould cause frostbite on exposed skin in as little as 10 minutes.* ADDITIONAL DETAILS...Daytime highs today will climb into thesingle digits above zero.Use extreme caution if you plan to be outdoors. Wear appropriateclothing, a hat, and gloves.

National Weather Service