148 first-hand accounts of flood events in Wyoming, ranked by impact. Each is a NOAA-written narrative of the moment.
Heavy rainfall over portions of the Mullen Burn Scar with estimated rainfall of two to three inches. Subsequent mudslide and debris flow led to a road washout near Highway 230.
Read the full account →Heavy rainfall over portions of the Mullen Burn Scar with estimated rainfall of two to three inches. Subsequent mudslide and debris flow led to a road washout near Highway 230.
Read the full account →Severe thunderstorms across Laramie and Niobrara Counties produced severe hail over 1 inch in diameter. For the Laramie County storm, prolonged training and heavy rain produced flash flooding across portions of the city of Cheyenne with hail accumulating to depths of several…
Read the full account →Severe thunderstorms across Laramie and Niobrara Counties produced severe hail over 1 inch in diameter. For the Laramie County storm, prolonged training and heavy rain produced flash flooding across portions of the city of Cheyenne with hail accumulating to depths of several…
Read the full account →The first extended warm spell of the season produced an active period of snowmelt from an historic snowpack in the western Bighorn Mountains. As a result, waterways in and near the foothills of the Bighorn Mountains rose rapidly causing flooding in Big Horn and Washakie counties.
Read the full account →Heavy rain and snow melt raised the levels of the Wind River across central and eastern portions of Fremont County. The Wind River near Kinnear, Wyoming crested around 10.3 feet, 0.3 feet above flood stage around 11 pm on July 29th.
Read the full account →Heavy rain and snow melt raised the levels of the Wind River across central and eastern portions of Fremont County. The Wind River near Kinnear, Wyoming crested around 10.3 feet, 0.3 feet above flood stage around 11 pm on July 29th.
Read the full account →With a stationary boundary remaining over the area, there were two rounds of severe weather across central Wyoming on Independence Day. One storm developed in the lee of the Wind River Range and strengthened as it moved eastward toward Natrona County, Wyoming.
Read the full account →Across Johnson County, two to four inches of rain fell from May 27th through May 28th. This caused rapid rises of creeks and streams as well as the Middle Fork of the Powder River.
Read the full account →Across Johnson County, two to four inches of rain fell from May 27th through May 28th. This caused rapid rises of creeks and streams as well as the Middle Fork of the Powder River.
Read the full account →Strong and severe thunderstorms spread south along the eastern slopes of the Bighorn Mountains during the afternoon and early evening. These storms produced long periods of hail and very heavy rain.
Read the full account →Numerous slow moving thunderstorms developed across central Wyoming and some became severe. On severe thunderstorm crossed US 20 26 in eastern Fremont County and brought ping pong ball size hail that damaged a pick up truck.
Read the full account →U.S. Highway 14-16-20 between Cody and Yellowstone National Park's East Entrance was closed due to a mudslide. The slide was estimated to be three feet deep and 50 to 100 feet in length, which kept the road closed overnight.
Read the full account →Slow moving thunderstorms brought an average of three quarters of an inch of rain in only 20 minutes along with large amounts of small hail on the late afternoon of July 14th.
Read the full account →A combination of an abnormally strong upper level low, strong jet dynamics and an approaching cold front produced one of the biggest severe weather outbreaks across western and central Wyoming in many years.
Read the full account →Warming temperatures melted a substantial snow pack across the lower elevations of western Sweetwater County. This snow melting, combined with ice jams, brought flooding along the Blacks Fork River from Little America through Granger .
Read the full account →During the night of February 9th, strong Chinook winds developed over the eastern Slope of the Wind River Mountains. Temperatures climbed into the 50s as a result.
Read the full account →During the night of February 9th, strong Chinook winds developed over the eastern Slope of the Wind River Mountains. Temperatures climbed into the 50s as a result.
Read the full account →A rapid warm up following several weeks of below normal temperatures and above average snowfall led to flooding along the Big Horn River in Washakie and Big Horn Counties. The result was rapidly rising rivers due to ice jams from rivers breaking up as well as rapid snow melt.
Read the full account →The combination of a very wet and snowy winter and a rather cool and wet spring set the stage for a prolonged period of flooding along the Wind River.
Read the full account →The combination of a very wet and snowy winter and a rather cool and wet spring set the stage for a prolonged period of flooding along the Wind River.
Read the full account →A cool and wet winter and spring built up abnormally large snow pack across the Wind River Range. Warmer weather in June caused rapid melting of the snow and resulted in flooding along the Little Wind River for several weeks. The River Gauge at Riverton peaked above 10 feet.
Read the full account →The combination of a very wet and snowy winter and a rather cool and wet spring set the stage for a prolonged period of flooding along the Wind River.
Read the full account →Warming temperatures in June brought rapid snow melt of mountain snow pack and led to flooding around portions of Sublette County, especially along the New Fork and Green Rivers as well as some of it's tributaries.
Read the full account →