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Wyoming Severe Weather
Weather warnings issued for Wyoming by the National Weather Service — what was warned, where, and how long it stayed in force. 9 of the 40 kept here were severe or extreme.
40 warnings
Every severity, newest first — a state page is where the minor ones are worth counting.
| Warning |
|---|
| High Wind WarningNWS Cheyenne WYFerris/Seminoe/Shirley Mountains; CentraSevere |
| High Wind WarningNWS Riverton WYRock Springs and Green River; Flaming GoSevere |
| High Wind WarningNWS Riverton WYGreen Mountains and Rattlesnake Range; NSevere |
| Freeze WarningNWS Riverton WYCody Foothills; North Bighorn Basin; SouSevere |
| High Wind WarningNWS Salt Lake City UTSouthwest WyomingSevere |
| High Wind WatchNWS Cheyenne WYFerris/Seminoe/Shirley Mountains; CentraSevere |
| High Wind WatchNWS Riverton WYGreen Mountains and Rattlesnake Range; NSevere |
| Special Weather StatementNWS Cheyenne WYCentral Laramie Range and Southwest PlatModerate |
| Special Weather StatementNWS Cheyenne WYEast Platte County; Goshen County; SouthModerate |
| Special Weather StatementNWS Riverton WYWind River Basin; Lander FoothillsModerate |
| Special Weather StatementNWS Cheyenne WYCentral Carbon County; North Snowy RangeModerate |
| Special Weather StatementNWS Cheyenne WYBox Butte; Scotts Bluff; Banner; MorrillModerate |
| Flood AdvisoryNWS Cheyenne WYLaramie, WYMinor |
| Special Weather StatementNWS Cheyenne WYSouth Sioux; Goshen CountyModerate |
| Special Weather StatementNWS Cheyenne WYNiobrara County; Goshen CountyModerate |
| Special Weather StatementNWS Cheyenne WYSouth Sioux; Goshen CountyModerate |
| Special Weather StatementNWS Cheyenne WYScotts Bluff; South Sioux; Goshen CountyModerate |
| Special Weather StatementNWS Riverton WYTeton and Gros Ventre Mountains; Wind RiModerate |
| Special Weather StatementNWS Salt Lake City UTBear Lake and Bear River Valley; WasatchModerate |
| Special Weather StatementNWS Cheyenne WYFerris/Seminoe/Shirley Mountains; ShirleModerate |
| Special Weather StatementNWS Riverton WYGreen Mountains and Rattlesnake Range; EModerate |
| Special Weather StatementNWS Billings MTSouthern Big Horn; Sheridan FoothillsModerate |
| Dense Fog AdvisoryNWS Billings MTMusselshell; Treasure; Northern StillwatModerate |
| Flood AdvisoryNWS Cheyenne WYNiobrara, WYMinor |
| Flood AdvisoryNWS Riverton WYFremont, WYMinor |
| Special Weather StatementNWS Riverton WYNatrona County Lower ElevationsModerate |
| Special Weather StatementNWS Cheyenne WYKimball; Cheyenne; East Laramie CountyModerate |
| Flash Flood WarningNWS Riverton WYFremont, WYSevere |
| Special Weather StatementNWS Cheyenne WYKimball; East Laramie CountyModerate |
| Special Weather StatementNWS Riverton WYNatrona County Lower ElevationsModerate |
| Flood AdvisoryNWS Riverton WYFremont, WYMinor |
| Flood AdvisoryNWS Riverton WYFremont, WYMinor |
| Special Weather StatementNWS Cheyenne WYCentral Laramie Range and Southwest PlatModerate |
| Hydrologic OutlookNWS Riverton WYBig Horn, WY; Fremont, WY; Hot Springs, Unknown |
| Special Weather StatementNWS Cheyenne WYKimball; Central Laramie County; East LaModerate |
| Special Weather StatementNWS Rapid City SDNorthern Campbell; Southern Campbell; WeModerate |
| Special Weather StatementNWS Rapid City SDWeston County Plains; NewcastleModerate |
| Special Weather StatementNWS Cheyenne WYEast Platte County; Goshen CountyModerate |
| Flood WatchNWS Riverton WYYellowstone National ParkSevere |
| Hydrologic OutlookNWS Riverton WYBig Horn, WY; Fremont, WY; Hot Springs, Unknown |
Source: the National Weather Service. A warning covering several states appears on each of their pages. Expired warnings are kept and marked, because the count over time is the part that says anything.