Winter Storm Warning issued December 15 at 12:07AM MST until December 15 at 5:00PM MST by NWS Riverton WY
* WHAT...Heavy snow. Additional snow accumulations of 6 to 12 inches expected for the Salt River and Wyoming Ranges, and totals over a foot for the western Wind River Mountains. Additional snow accumulations of 2 to 4 inches are expected along South Pass. Winds gusting as high as 50 mph. * WHERE...Salt River and Wyoming Ranges and the Western Wind River Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult to impossible along mountain passes, including Salt River Pass and South Pass.
Winter Weather Advisory issued December 15 at 12:07AM MST until December 15 at 5:00PM MST by NWS Riverton WY
* WHAT...Snow. Additional snow accumulations between 2 and 5 inches expected. * WHERE...Jackson Hole. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult. South to southwest wind gusts of 20 to 30 mph into early Sunday morning.
Wind Advisory issued December 15 at 1:42AM MST until December 15 at 5:00PM MST by NWS Rapid City SD
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Western Fall River. * WHEN...From 5 AM early this morning to 5 PM MST this afternoon. * IMPACTS...Sudden wind gusts can cause drivers to lose control, especially in lightweight or high profile vehicles. Strong winds can cause blowing dust, reduced visibility, and flying debris.
Winter Weather Advisory issued December 15 at 1:40AM MST until December 15 at 5:00PM MST by NWS Rapid City SD
* WHAT...Mixed precipitation. Ice accumulations around a light glaze this morning and snow accumulation up to one inch late this morning and afternoon. Winds gusting as high as 45 mph this afternoon. * WHERE...Portions of northwestern South Dakota and northeast Wyoming. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches.
Winter Weather Advisory issued December 15 at 4:32AM MST until December 15 at 5:00PM MST by NWS Great Falls MT
* WHAT...Snow. Additional snow accumulations between 2 and 4 inches. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Travel could be very difficult over Targhee and Raynolds Passes.
Winter Storm Warning issued December 15 at 4:49AM MST until December 15 at 5:00PM MST by NWS Pocatello ID
* WHAT...Heavy snow. Additional snow accumulations up to 6 inches. Winds gusting as high as 45 mph. * WHERE...Big Hole Mountains, Centennial Mountains - Island Park, Teton Valley, Bear River Range, and Caribou Range. * WHEN...Until 5 PM MST this afternoon. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches.
Small Craft Advisory issued December 14 at 3:35AM AKST until December 14 at 5:00PM AKST by NWS Juneau AK
Southeast Alaska Inside Waters from Dixon Entrance to Skagway Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent the average of the highest one-third of the combined windwave and swell height. .TODAY...NW wind 25 kt. Seas 5 ft. .TONIGHT...NW wind 20 kt diminishing to 15 kt late. Seas 4 ft. .SUN...E wind 15 kt becoming SE in the afternoon. Seas 4 ft. .SUN NIGHT...SE wind 25 kt. Seas 6 ft. .MON...SE wind 30 kt. Seas 11 ft. .TUE...SE gale to 35 kt. Seas 12 ft. .WED...SE wind 20 kt. Seas 8 ft.
High Wind Watch issued December 14 at 3:31AM MST until December 15 at 5:00PM MST by NWS Cheyenne WY
* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Converse County Lower Elevations and Niobrara County. * WHEN...From this evening through Sunday afternoon. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
High Wind Warning issued December 14 at 3:31AM MST until December 14 at 5:00PM MST by NWS Cheyenne WY
* WHAT...For the High Wind Warning, southwest winds 30 to 40 mph with gusts up to 65 mph. For the High Wind Watch, west winds 30 to 40 mph with gusts up to 65 mph possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...For the High Wind Warning, until 5 PM MST this afternoon. For the High Wind Watch, from this evening through Sunday evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.
Winter Weather Advisory issued December 14 at 1:14AM MST until December 15 at 5:00PM MST by NWS Riverton WY
* WHAT...Snow. Total snow accumulations between 4 and 8 inches expected. * WHERE...Jackson Hole. * WHEN...From 11 AM this morning to 5 PM MST Sunday. * IMPACTS...Travel could be very difficult. South to southwest wind gusts of 20 to 30 mph occur Saturday night into Sunday morning.