Winter Weather Advisory issued May 18 at 12:24PM MDT until May 20 at 6:00AM MDT by NWS Cheyenne WY
* WHAT...Snow expected. Snow accumulations between 5 and 10 inches above 8500 feet. Winds gusting as high as 45 mph. * WHERE...Snowy Range. * WHEN...From 6 PM this evening to 6 AM MDT Tuesday. * IMPACTS...Travel could be very difficult. Gusty winds could bring down tree branches.
Winter Weather Advisory issued May 18 at 1:10PM MDT until May 20 at 12:00AM MDT by NWS Billings MT
* WHAT...Snow and brisk northwest winds expected. Total snow accumulations of 4 to 9 inches. Winds gusting as high as 40 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...From midnight tonight to midnight MDT Monday Night. * IMPACTS...Travel could be difficult on Highway 14 through the Bighorn Mountains. Recreation in the high country will be affected by wintry conditions. * ADDITIONAL DETAILS...Greatest snow accumulations will be above 7000 feet.
Winter Weather Advisory issued May 18 at 4:42AM MDT until May 19 at 6:00AM MDT by NWS Denver CO
* WHAT...Snow expected. Total snow accumulations between 3 to 7 inches for elevations above 10,000 feet. Winds gusting as high as 45 mph. * WHERE...Rabbit Ears Pass, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Slick travel conditions may develop over the high mountain passes.
Winter Weather Advisory issued May 18 at 2:17AM MDT until May 19 at 6:00AM MDT by NWS Grand Junction CO
* WHAT...Snow expected above 9,500 feet. Total snow accumulations between 4 and 8 inches with locally higher amounts above timberline. Winds gusting as high as 40 mph. * WHERE...Elkhead and Park Mountains and Flat Tops. * WHEN...From 6 AM this morning to 6 AM MDT Monday. * IMPACTS...Travel could be very difficult.
Winter Weather Advisory issued May 18 at 5:25AM MDT until May 19 at 6:00AM MDT by NWS Pueblo CO
* WHAT...Snow expected. Total snow accumulations 4 to 8 inches. Winds gusting as high as 50 mph. * WHERE...Eastern Sawatch Mountains Above 11000 Feet, La Garita Mountains Above 10000 Feet, Western Mosquito Range/East Lake County Above 11000 Feet, and Eastern San Juan Mountains Above 10000 Feet. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions including high mountain passes.
Winter Weather Advisory issued May 17 at 3:03PM MDT until May 18 at 6:00PM MDT by NWS Salt Lake City UT
* WHAT...Snow expected. Total snow accumulations 5 to 10 inches above 8000 feet, locally up to 15 inches in the upper Cottonwoods above 10,000 feet. * WHERE...The Wasatch Mountains, Western Uinta Mountains, and Wasatch Plateau/Book Cliffs. * WHEN...From 3 AM to 6 PM MDT Sunday. * IMPACTS...Winter driving conditions are expected. * ADDITIONAL DETAILS...A strong cold front will bring a band of moderate to heavy snow early Sunday morning into early Sunday afternoon. Snow will shift to a showery mode in northwest flow Sunday afternoon, with the heaviest additional accumulations in areas that do well in northwest flow.
Winter Weather Advisory issued May 17 at 1:43PM MDT until May 18 at 6:00PM MDT by NWS Great Falls MT
* WHAT...Snow expected. Total snow accumulations 1 to 5 inches up to pass level, with 4 to 10 inches over the higher terrain. Winds gusting as high as 35 mph. * WHERE...Northwest Beaverhead County. * WHEN...From midnight tonight to 6 PM MDT Sunday. * IMPACTS...Cold, snowy, and wet outdoor recreation conditions expected. Roads may become slippery due to slushy roadway accumulations. * ADDITIONAL DETAILS...Outdoor recreationists should take extra precautions and be properly dressed to avoid hypothermia from the cold and wet conditions.
Winter Weather Advisory issued May 17 at 1:13PM MDT until May 18 at 6:00PM MDT by NWS Missoula MT
* WHAT...Wet snow expected above 5000 feet. Likelihood of moderate impacts from 3 to 6 inches of snow is greater than 90 percent, and up to a 50 percent chance of isolated major impacts from 6 to 10 inches or more of snow. * WHERE...Marias Pass. * WHEN...From 6 AM to 6 PM MDT Sunday. * IMPACTS...For MODERATE impacts from snow, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur.
Winter Weather Advisory issued May 17 at 1:13PM MDT until May 18 at 3:00PM MDT by NWS Missoula MT
* WHAT...Wet snow expected above 6000 feet. Likelihood of moderate impacts from 3 to 6 inches of snow is greater than 90 percent, and up to a 50 percent chance of isolated major impacts from 6 to 10 inches or more of snow. * WHERE...Georgetown Lake and MacDonald Pass. * WHEN...From 3 AM to 3 PM MDT Sunday. * IMPACTS...For MODERATE impacts from snow, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur.
Winter Storm Warning issued May 17 at 1:13PM MDT until May 18 at 3:00PM MDT by NWS Missoula MT
* WHAT...Heavy snow expected above 5000 feet. Likelihood of major impacts from 6 to 10 inches of snow is 80 percent, and 10 to 18 inches of snow is 10 percent. * WHERE...Dixie and Lolo Pass. * WHEN...From 2 AM to 2 PM PDT Sunday. * IMPACTS...For MAJOR impacts from snow, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur.