Winter Weather Advisory issued May 18 at 1:01PM MDT until May 20 at 12:00AM MDT by NWS Riverton WY
* WHAT...Snow expected. Total snow accumulations of 5 to 9 inches. Local amounts over a foot possible above 9500 feet. Winds gusting as high as 40 mph. * WHERE...Bighorn Mountains Southeast and Bighorn Mountains West. * WHEN...From midnight tonight to midnight MDT Monday Night. * IMPACTS...Travel could be difficult, including over Powder River and Granite Passes. * ADDITIONAL DETAILS...The greatest impacts will be from late Sunday night through Monday morning.
Flood Advisory issued May 14 at 5:29AM MDT until May 14 at 6:00PM MDT by NWS Riverton WY
...The Flood Advisory continues for the following rivers in Wyoming... Pacific Creek near Moran affecting Teton County. For the Snake River Basin...including Moran...Jackson, Zenith, Below Jackson Lake Reservoir, Alpine and Flagg Ranch, elevated river levels are forecast. * WHAT...Flooding caused by rain and snowmelt continues. * WHERE...Pacific Creek near Moran. * WHEN...Until this evening. * IMPACTS...At 7.5 feet, BANKFULL STAGE. ACTION STAGE. At 8.2 feet, RECORD STAGE --- 8.20 FT (6/6/2017). At 8.5 feet, FLOOD STAGE. FLOODING OF UPSTREAM USFS CAMPGROUND ON RIGHT BANK. MINOR LOWLAND FLOODING INTENSIFIES AND BECOMES MORE WIDESPREAD. WATER REACHES THE BASE OF THE ROAD BED.
Flood Advisory issued May 13 at 3:15PM MDT until May 14 at 6:00PM MDT by NWS Riverton WY
...The Flood Advisory continues for the following rivers in Wyoming... Pacific Creek near Moran affecting Teton County. For the Snake River Basin...including Moose, Jackson, Zenith, Below Jackson Lake Reservoir, Alpine, Alpine, Flagg Ranch, Jackson, Moran, Moran...elevated river levels are forecast. * WHAT...Flooding caused by rain and snowmelt continues. * WHERE...Pacific Creek near Moran. * WHEN...Until tomorrow evening. * IMPACTS...At 7.5 feet, BANKFULL STAGE. ACTION STAGE. At 8.2 feet, RECORD STAGE --- 8.20 FT (6/6/2017). At 8.5 feet, FLOOD STAGE. FLOODING OF UPSTREAM USFS CAMPGROUND ON RIGHT BANK. MINOR LOWLAND FLOODING INTENSIFIES AND BECOMES MORE WIDESPREAD. WATER REACHES THE BASE OF
Winter Weather Advisory issued May 13 at 2:47PM MDT until May 14 at 11:00PM MDT by NWS Riverton WY
* WHAT...Snow. Total snow accumulations 6 to 12 inches, mainly above 8000 ft. Isolated amounts up to 18 inches possible around Cloud Peak. Winds gusting as high as 40 mph. * WHERE...Bighorn Mountains Southeast and Bighorn Mountains West. * WHEN...From 4 AM to 11 PM MDT Wednesday. * IMPACTS...Travel could be difficult, especially in the backcountry. Gusty wind could result in brief whiteout conditions.
Winter Weather Advisory issued May 13 at 2:47PM MDT until May 14 at 6:00PM MDT by NWS Riverton WY
* WHAT...Snow, heavy at times. Total snow accumulations 6 to 12 inches, mainly above 8000 ft. Some of the higher peaks north of HWY-14 may receive up to 20 inches. * WHERE...Absaroka Mountains. * WHEN...From 8 PM this evening to 6 PM MDT Wednesday. * IMPACTS...Travel could be difficult, especially in the backcountry.
Winter Storm Watch issued May 12 at 1:59PM MDT until May 14 at 11:00PM MDT by NWS Riverton WY
* WHAT...Heavy snow possible. Total snow accumulations of 12 to 20 inches possible above 8000 ft. * WHERE...Absaroka Mountains. * WHEN...From Tuesday evening through Wednesday evening. * IMPACTS...Travel could be difficult, especially in the backcountry.
Severe Thunderstorm Warning issued May 11 at 5:29PM MDT until May 11 at 6:00PM MDT by NWS Riverton WY
SVRRIW The National Weather Service in Riverton has issued a * Severe Thunderstorm Warning for... East central Park County in central Wyoming... * Until 600 PM MDT. * At 529 PM MDT, a severe thunderstorm was located near Cody, moving northeast at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... Cody around 535 PM MDT. Other locations in the path of this severe thunderstorm include Ralston.
Winter Weather Advisory issued May 5 at 12:54PM MDT until May 6 at 12:00PM MDT by NWS Riverton WY
* WHAT...Snow expected. Total snow accumulations of 5 to 9 inches north of Powder River Pass; 3 to 6 inches south of Powder River Pass. Winds gusting as high as 50 mph. * WHERE...Bighorn Mountains Southeast and Bighorn Mountains West. * WHEN...Until noon MDT Tuesday. * IMPACTS...Travel could be difficult. The strongest winds and heaviest precipitation are expected Monday evening through Monday night.
Winter Weather Advisory issued April 28 at 3:20AM MDT until April 28 at 6:00PM MDT by NWS Riverton WY
* WHAT...Snow expected. Total snow accumulations between 4 and 8 inches, with the highest amounts near the Montana border. Winds gusting as high as 35 mph. * WHERE...Absaroka Mountains. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel could be difficult.
Winter Weather Advisory issued April 27 at 11:35AM MDT until April 28 at 6:00PM MDT by NWS Riverton WY
* WHAT...Snow expected. Total snow accumulations between 4 and 8 inches, with the highest amounts near the Montana border. Winds gusting as high as 35 mph. * WHERE...Absaroka Mountains. * WHEN...From 6 AM to 6 PM MDT Monday. * IMPACTS...Travel could be difficult. The hazardous conditions could impact the Monday morning and evening commutes.