Winter Storm Warning:
Issued at: 2:07 PM MST on December 20, 2014, expires at: 8:00 AM MST on December 22, 2014
- ...Winter Storm Warning in effect from 5 PM this afternoon to 8 am MST Monday... The National Weather Service in Riverton has issued a Winter Storm Warning for snow and blowing snow...which is in effect from 5 PM this afternoon to 8 am MST Monday. The Winter Storm Watch is no longer in effect.
- Summary and timing...snowfall will increase across Teton County this evening...with periods of heavy snow and blowing snow on Sunday across the area before weakening on Monday morning.
- Snow accumulations...the valley locations may see 6 to 10 inches of snowfall with this system with the higher accumulations expected across the northern portion of Jackson Hole. Mountain locations could see 15 to 25 inches... with locally higher amounts.
- Wind and visibility...wind will be strongest over the mountain passes with west wind of 25 to 35 mph with gusts over 45 mph. The lower elevations will see southwest wind increasing to 15 to 25 mph on Sunday with gusts to 35 mph in open areas. The wind and snowfall will limit the visibility to under a quarter mile at times.
- Impacts...the combination of snowfall and wind over the higher elevations will have an adverse impact on travelers across the area. Significant snowfall across the valleys will create hazardous driving conditions due to snow packed roadways. Precautionary/preparedness actions... A Winter Storm Warning for heavy snow means severe winter weather conditions are expected or occurring. Significant amounts of snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel...keep an extra flashlight... food...and water in your vehicle in case of an emergency. The latest Road conditions provided by the Wyoming Department of Transportation are available by calling 5-1-1 or on the internet at wyoroad.Info.