Cold Weather Advisory issued January 19 at 12:47PM MST until January 21 at 5:00AM MST by NWS Riverton WY
* WHAT...Low temperatures of 15 below to 25 below zero will combine with a north wind to create wind chill readings 30 below to 40 below zero Sunday night into Monday morning. It will be slightly warmer Monday night. * WHERE...Bighorn Mountains Southeast and Bighorn Mountains West. * WHEN...From 10 PM Sunday evening to 5 AM MST Tuesday. * IMPACTS...The dangerously cold wind chills as low as 40 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Daytime highs during the daylight hours Monday will only range from 10 below zero to zero.
Cold Weather Advisory issued January 18 at 8:07PM MST until January 21 at 8:00AM MST by NWS Riverton WY
* WHAT...Very cold wind chills of 25 to 35 below expected. * WHERE...Natrona County Lower Elevations, Wind River Basin, Northeast Johnson County, and Southeast Johnson County. * WHEN...From 10 PM Sunday to 8 AM MST Tuesday. * IMPACTS...The dangerously cold wind chills as low as 35 below zero could cause frostbite on exposed skin in as little as 10 minutes.
Cold Weather Advisory issued January 18 at 8:07PM MST until January 21 at 5:00AM MST by NWS Riverton WY
* WHAT...Very cold wind chills of 35 to 50 below expected. * WHERE...Bighorn Mountains Southeast and Bighorn Mountains West. This includes Powder River Pass and Granite Pass. * WHEN...From 10 PM Sunday to 5 AM MST Tuesday. The coldest wind chills will be Sunday night into Monday morning. * IMPACTS...The dangerously cold wind chills as low as 50 below zero could cause frostbite on exposed skin in as little as 10 minutes.
Winter Storm Warning issued January 17 at 10:44PM MST until January 18 at 8:00AM MST by NWS Riverton WY
* WHAT...Light snow. Additional snow accumulations up to two inches. * WHERE...Lander Foothills. * WHEN...Until 8 AM MST Saturday. * IMPACTS...Plan on slippery road conditions.
Winter Weather Advisory issued January 17 at 10:44PM MST until January 18 at 2:00AM MST by NWS Riverton WY
* WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...East Sweetwater County. * WHEN...Until 2 AM MST Saturday. * IMPACTS...Plan on slippery road conditions.
Winter Weather Advisory issued January 16 at 12:45PM MST until January 17 at 11:00PM MST by NWS Riverton WY
* WHAT...Snow expected. Total snow accumulations 1 to 3 inches near Thermopolis, higher amounts up to 6 inches in the Owl Creek and Bridger Mountains. North winds gusting as high as 45 mph. * WHERE...Owl Creek and Bridger Mountains and Southwest Bighorn Basin. * WHEN...From 9 AM to 11 PM MST Friday. Heaviest snow and strongest winds will occur between 9 AM and 6 PM Friday. * IMPACTS...Plan on slick road conditions. The hazardous conditions could impact the Friday evening commute. Blowing snow will lead to reduced visibility. Travel could be especially difficult through Wind River Canyon and around Thermopolis.
Winter Weather Advisory issued January 12 at 11:48AM MST until January 13 at 5:00AM MST by NWS Riverton WY
* WHAT...Snow. Additional snow accumulations up to 5 to 7 inches. Winds gusting as high as 40 to 50 mph. * WHERE...Bighorn Mountains Southeast and Bighorn Mountains West. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult especially along Highway 14 and over Granite Pass, as well as along Highway 16 over Powder River Pass. Strong gusty winds may significantly reduce visibility at times.
Winter Weather Advisory issued January 12 at 11:48AM MST until January 12 at 11:00PM MST by NWS Riverton WY
* WHAT...Snow. Additional snow accumulations up to 2 inches. Winds gusting as high as 30 to 40 mph. * WHERE...Northeast Johnson County. * WHEN...Until 11 PM MST this evening. * IMPACTS...Plan on slippery road conditions, especially along Interstates 25 and 90 north and east out of Buffalo.
Winter Weather Advisory issued January 11 at 4:49PM MST until January 13 at 5:00AM MST by NWS Riverton WY
* WHAT...Snow. Additional snow accumulations of 4 to 10 inches. Remote locations in the far northern and southern portions of the Bighorn range may see amounts exceeding 18 inches. Winds may gust as high as 45 mph at times. * WHERE...Bighorn Mountains Southeast and Bighorn Mountains West. * WHEN...Until 5 AM MST Monday. * IMPACTS...Travel could be very difficult especially along Highway 14 and over Granite Pass, as well as along Highway 16 over Powder River Pass. Strong gusty winds may significantly reduce visibility at times.
Winter Weather Advisory issued January 11 at 4:49PM MST until January 12 at 11:00PM MST by NWS Riverton WY
* WHAT...Snow. Total snow accumulations between 1 and 4 inches. Winds gusting as high as 50 mph. * WHERE...Northeast Johnson County. * WHEN...Until 11 PM MST Sunday. * IMPACTS...Plan on slippery road conditions. Strong gusty winds of 30 to 40 mph may create blowing snow and periods of reduced visibilities.