KRIW issues SPS valid 2019-12-08T20:29:00Z 659 WWUS85 KRIW 082029 SPSRIW Special Weather Statement National Weather Service Riverton WY 129 PM MST Sun Dec 8 2019 WYZ011-020-090600- Southeast Johnson County-Natrona County Lower Elevations- Including the cities of Kaycee and Casper 129 PM MST Sun Dec 8 2019 ...Potential for heavy snow with low visibility this Evening... This is a Special Weather Statement from the National Weather Service. * WHAT...1 to 2 inches of snow. * WHERE...Portions of Natrona and southern Johnson counties. * WHEN...Between 5pm and 10 pm Sunday. * ADDITIONAL DETAILS...Snow will quickly fall, as a cold front moves through the area. Gusty north-northwest winds will occur with the snow. Visibilities may be reduced between 1 and 2 miles. Slick and icy roads may result. Travelers are advised to be cautious when driving through these areas. $$