Flood & Hurricane Risk in Wyoming
Wyoming has NO hurricane risk of any kind -- it is landlocked, far from any ocean coastline -- and this record discloses that directly and honestly rather than forcing this topic into an irrelevant hurricane framing. Wyoming's real, documented hazard profile instead runs through genuine mountain-snowmelt and flash-flood risk (FEMA rates the state's overall inland flood risk 'Relatively Low,' but real, concentrated exposure exists near major rivers), a real, current #2-among-the-lower-48 wildfire-risk ranking, a real tornado record, and persistent, extreme wind along the state's I-80 corridor.
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Learn moreA genuine, upfront disclosure: no hurricane risk at all
Wyoming is a landlocked state with no coastline of any kind, and this record discloses directly and without qualification that Wyoming carries NO hurricane risk -- no storm surge, no hurricane-force coastal wind exposure, and no tropical-system landfall history of any kind. A mover relocating from a hurricane-prone coastal state should understand that this specific hazard category simply does not apply in Wyoming, a genuine structural difference this record credits directly rather than manufacturing a hurricane narrative to fit the topic's name.
Real, but geographically concentrated, mountain-snowmelt and flash-flood risk
FEMA rates Wyoming's overall inland (riverine) flood risk 'Relatively Low' (an expected annual loss of $146.7 million per year statewide from rivers, creeks, and rainfall flooding), but this record discloses real, genuine, and geographically concentrated flood exposure directly rather than treating 'relatively low statewide' as 'no risk anywhere.' Wyoming's real flood sources concentrate in spring mountain-snowmelt runoff -- the North Platte, Wind, Bighorn, and Snake rivers are the state's primary flood sources, with the North Platte River valley at Casper, the Shoshone River at Cody, the Big Horn River, and Yellowstone-draining streams named as the state's highest-risk areas -- plus flash flooding from intense mountain thunderstorms and ice-jam flooding. The June 13-15, 2022 Yellowstone flood is a real, current, and vivid example: a 500-year flood event (7.5-9.5 inches of combined rain and snowmelt in 24 hours) that destroyed sections of both the North Entrance Road (Mammoth Hot Springs-Gardiner) and Northeast Entrance Road (Lamar Valley-Cooke City), causing a real $29 million in total property damage ($21 million in National Park Service infrastructure-repair costs specifically) -- while Wyoming roads and bridges OUTSIDE Yellowstone sustained only 'minimal' damage per USGS's own reporting, a real, disclosed, geographically concentrated event this record does not overstate into a statewide catastrophe.
A real, current #2-among-the-lower-48 wildfire-risk ranking, made concrete by 2020's Mullen Fire
Per ClimateCheck's own state-risk analysis, Wyoming carries a real, current #2-among-the-lower-48-states wildfire-risk ranking, driven by hot, windy summers that produce rapid fire-behavior changes across grassland and forest. This pass's research made that ranking concrete: the 2020 fire season produced 828 total wildfire incidents burning 339,782 acres statewide, headlined by the Mullen Fire near Laramie -- 176,878 acres, starting September 17, 2020 and reaching 97% containment January 4, 2021 -- the real, current largest fire in Wyoming's recorded history. 2021, by real, disclosed contrast, saw a comparatively modest season: 540 incidents, 53,496 acres burned. Wyoming also carries a real, current #4-among-the-lower-48 drought-risk ranking, a real, related factor in the state's wildfire exposure.
A real tornado record and persistent, extreme I-80-corridor wind round out the picture
Wyoming is genuinely not part of 'Tornado Alley,' but the state's eastern reaches do see a real, documented tornado history: 739 tornadoes recorded statewide from 1950-2024 (4 fatalities, 115 injuries), averaging 6.5 per year, with the strongest reaching EF4 and 14 rated EF3 or stronger. Peak season runs through June, which alone accounts for 43% of all recorded tornadoes, and severe hail (0.75-inch-plus) occurs approximately 29 times a year statewide, concentrated by far most heavily in Laramie County in the state's extreme southeast. That same southeast corridor carries Wyoming's most distinctive, safety-relevant hazard: real, current, persistent, and extreme wind along the I-80 corridor (the Cheyenne-Laramie-Rawlins stretch), where gusts frequently exceed 60 mph and regularly blow high-profile vehicles onto their sides or off the roadway -- compounded by the corridor's high elevation (6,000-8,000 feet, with I-80's 'Summit' segment reaching 8,640 feet), which brings genuinely frequent blizzards, black ice, and whiteout conditions from October through April. See the hurricane-preparedness topic for practical guidance.
Key takeaways
- Wyoming has NO hurricane risk of any kind -- it is landlocked, with no coastline, storm-surge exposure, or tropical-system landfall history.
- FEMA rates Wyoming's overall inland flood risk 'Relatively Low,' but real, concentrated mountain-snowmelt and flash-flood risk exists near the North Platte, Wind, Bighorn, and Snake rivers -- the June 2022 Yellowstone flood caused $29 million in real, geographically concentrated damage.
- Wyoming carries a real, current #2-among-the-lower-48 wildfire-risk ranking -- 2020's Mullen Fire near Laramie (176,878 acres) is the largest fire in the state's recorded history.
- Wyoming records a real, average 6.5 tornadoes per year (739 since 1950), with severe hail concentrated in Laramie County -- the same SE corridor that carries the state's most distinctive hazard, persistent, extreme I-80 wind.
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