HEAVY SNOW SHOWERS AND SNOW SQUALLS WILL AFFECT BOX BUTTE...SCOTTS BLUFF...NORTHWESTERN CHEYENNE...NORTHERN KIMBALL...MORRILL...BANNER...SOUTHERN DAWES... SOUTHERN SIOUX...GOSHEN...NORTHEASTERN LARAMIE AND SOUTHEASTERN PLATTE COUNTIES... At 850 AM MST...Heavy snow showers and snow squalls were along a line extending from 10 miles southeast of Red Cloud Campground to Slater...and moving southeast at 50 mph. HAZARD...Sudden and brief snowfall rates of 1 to 2 inches per hour and winds in excess of 35 mph. SOURCE...Radar and Webcams. IMPACT...Hazardous travel conditions due to slick roads and low visibilities. This squall will be near... Torrington and Veteran around 855 AM MST. Hemingford, Yoder, and Huntley around 900 AM MST. Morrill, Lyman, and Hawk Springs around 905 AM MST. Mitchell around 910 AM MST. Scottsbluff, Hubbard Hill, Hawk Springs Recreation Area, and Hawk Springs Campground around 915 AM MST. Alliance, Gering, Terrytown, La Grange, Scottsbluff Airport, Lake Minatare Campground, Scotts Bluff National Monument, and Lake Minatare around 920 AM MST. Other locations impacted by this dangerous squall include McGrew, Broadwater, Melbeta, Marsland, and Henry. This includes Interstate 25 in Wyoming between mile markers 20 and 75. PRECAUTIONARY/PREPAREDNESS ACTIONS... Expect rapid changes in weather and road conditions. Motorists are urged to use extreme caution if traveling through these areas! Roads may suddenly become icy. Take extra precautions by slowing down and increasing the distance between your vehicle and the vehicle in front of you.