* WHAT...Snow. Additional snow accumulations up to 3 inches. Higher amounts of 3 to 6 inches south of I-80 in Uinta County Wyoming. * WHERE...In Utah, Great Salt Lake Desert and Mountains, and Tooele and Rush Valleys. In Wyoming, Southwest Wyoming. * WHEN...Until 6 AM MDT Friday. * IMPACTS...Winter driving conditions are expected.

* WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...In Nebraska, Cheyenne County and Kimball County. In Wyoming, Central and Eastern Laramie County. * WHEN...From Friday morning through Friday evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.

* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...In Nebraska, Northern Sioux County. In Wyoming, Niobrara County. * WHEN...From 10 AM to 9 PM MDT Friday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.

* WHAT...For the High Wind Warning, winds have weakened below warning criteria so the High Wind Warning will expire on time. For the High Wind Watch, west winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Converse County Lower Elevations. * WHEN...From Friday morning through Friday evening. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.

* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...In Nebraska, Cheyenne County and Kimball County. In Wyoming, Central and Eastern Laramie County. * WHEN...From noon to 9 PM MDT Friday. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.

* WHAT...For the first High Wind Warning, winds have weakened below warning criteria so the High Wind Warning will expire on time. For the second High Wind Warning, west winds 25 to 35 mph with gusts up to 65 mph expected. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80. * WHEN...From 8 AM Friday to midnight MDT Friday Night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.

* WHAT...Northwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...South Laramie Range and Foothills including the Interstate 80 Summit between Cheyenne and Laramie. * WHEN...From 8 AM Friday to midnight MDT Friday Night. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight or high profile vehicles, including campers and tractor trailers.

* WHAT...Snow expected. Total snow accumulations between 2 and 5 inches. Winds gusting as high as 40 mph. * WHERE...Ferris/Seminoe/Shirley Mountains. * WHEN...From 3 AM to 3 PM MDT Friday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could reduce visibility below 1 mile.

* WHAT...Snow expected. Total snow accumulations between 4 and 8 inches, with the higher amounts on western slopes above 8000 feet in elevation. Winds gusting as high as 50 mph. * WHERE...Sierra Madre Range and Snowy Range. * WHEN...From 3 AM to 3 PM MDT Friday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could reduce visibility below 1 mile.

* WHAT...Snow expected. Total snow accumulations up to 4 inches. Winds gusting as high as 50 mph. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80, and Central Carbon County. * WHEN...From 6 AM to 3 PM MDT Friday. * IMPACTS...Areas of blowing snow could reduce visibility below 1 mile and lead to slick road conditions. Plan on slippery road conditions. The hazardous conditions could impact the Friday morning commute.

* WHAT...A period of wet snow expected. Total snow accumulations between 1 and 3 inches, greatest near the mountains and over the higher hills. Winds gusting as high as 45 mph. * WHERE...In Montana, Bighorn Canyon and Southern Big Horn. In Wyoming, Sheridan Foothills. * WHEN...From midnight tonight to noon MDT Friday. * IMPACTS...Travelers should be prepared for areas of poor visibility, brisk northwest winds and some slushy roads. This includes I-90 from Lodge Grass to Sheridan and Piney Creek. Expect impacts to the Friday morning commute. * ADDITIONAL DETAILS...Precipitation will begin as rain then change over to wet snow late tonight. Snow will taper off by late Friday morning.

* WHAT...Snow and blowing snow expected. Total snow accumulations between 5 and 10 inches. Winds gusting as high as 50 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...From 9 PM this evening to noon MDT Friday. * IMPACTS...Travel on US-14 through Burgess Junction will become difficult due to snow and poor visibility. Outdoor recreation in the high country will be impacted by wintry conditions. * ADDITIONAL DETAILS...Snow will taper off by late Friday morning.

* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Newcastle. * WHEN...From 9 AM to 9 PM MDT Friday. * IMPACTS...The high winds may damage roofs, small outbuildings, and signs. Power outages are possible. Travel could be difficult, especially for high profile vehicles. Strong winds can cause blowing dust, reduced visibility, and flying debris.

* WHAT...Snow. Additional snow accumulations between 3 and 6 inches. Winds gusting as high as 50 mph. * WHERE...Salt River and Wyoming Ranges. * WHEN...Until 6 AM MDT Friday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact travel over Salt Pass.

* WHAT...Snow. Additional snow accumulations between 4 and 8 inches. Winds gusting as high as 35 mph. * WHERE...Teton and Gros Ventre Mountains. * WHEN...Until 6 AM MDT Friday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact travel over Teton and Togwotee Passes.

* WHAT...Snow. Additional snow accumulations between 3 and 6 inches for the southwestern portion of the park. The remainder of the park can expect additional snow accumulations of 1 to 3 inches. Winds gusting as high as 35 mph. * WHERE...Yellowstone National Park. * WHEN...Until 6 AM MDT Friday. * IMPACTS...Travel could be difficult. People should exercise caution if traveling into the backcountry.

* WHAT...Snow. Additional snow accumulations between 4 and 8 inches. Winds gusting as high as 45 mph. * WHERE...Wind River Mountains. * WHEN...Until noon MDT Friday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact travel over South Pass.

* WHAT...Snow expected. Total snow accumulations of 1 to 3 inches. Winds gusting as high as 45 mph. * WHERE...Green Mountains and Rattlesnake Range and Natrona County Lower Elevations. * WHEN...From 6 AM to 3 PM MDT Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday morning commute. Blowing snow may reduce visibility at times.