Tornadoes risk in Wyoming

Tornado Risk in Wyoming: Geography, Season, and Exposure

Wyoming is not part of the traditional Tornado Alley, but it still sees a number of tornadoes each year. The state’s risk is classified as level 2 out of 5, meaning a relatively low but not negligible chance of a damaging tornado in any given year. According to the NOAA Storm Prediction Center, Wyoming typically records a handful of tornadoes annually, most of them weak (EF0 or EF1), but stronger events are possible.

Geographically, the eastern plains of Wyoming are most exposed to tornado activity. Areas such as Cheyenne, Laramie, Casper, and the surrounding high plains experience the majority of tornado reports. The western part of the state, dominated by the Rocky Mountains, sees far fewer tornadoes because the rugged terrain disrupts the severe thunderstorm development that produces them. Even in the east, tornadoes tend to be short-lived and relatively weak compared to the Great Plains states, but they can still cause serious damage.

Wyoming’s tornado season typically peaks in June, running from May through July. Most tornadoes occur in the late afternoon and evening when thunderstorms are most intense. However, tornadoes have been reported outside this window, so year-round vigilance is wise. The National Weather Service stresses that all tornadoes, regardless of strength, should be taken seriously.

How it affects homes

Even a weak tornado can cause significant property damage. The most common impacts include roof loss, broken windows, siding damage, and structural failures caused by flying debris. In Wyoming, severe thunderstorms often accompany tornadoes, bringing large hail and straight-line winds that can exacerbate damage. Mobile homes and manufactured housing are especially vulnerable because they may lack a solid foundation and are more easily lifted or rolled by strong winds.

Homeowners insurance typically covers tornado and wind damage, but it is essential to review your policy and confirm that your dwelling limits are sufficient to rebuild your home in today’s construction costs. Wind-driven rain can also enter through a damaged roof and cause water damage, which is usually covered, but it is wise to document your possessions and maintain an up-to-date home inventory. Flooding from heavy rain is not covered by standard homeowners policies and would require separate flood insurance if you live in a flood-prone area.

How to prepare your home

• Identify your safe space: a basement or an interior room on the lowest level without windows, such as a bathroom or closet.
• Reinforce garage doors—strong winds can fail them and allow wind to enter the home, increasing the risk of roof damage.
• Trim trees and remove dead limbs that could fall on your house or vehicles during a storm.
• Install impact-resistant windows or add storm shutters if feasible.
• Secure outdoor furniture, grills, trampolines, and lawn ornaments that can become dangerous projectiles in high winds.
• Consider adding a wind-rated safe room or storm shelter that meets FEMA guidelines.
• Prepare an emergency kit with water, non-perishable food, medications, flashlights, batteries, important documents, and a NOAA weather radio.
• Practice a tornado drill with your family so everyone knows where to go and what to do when a warning is issued.

For additional safety tips, refer to Ready.gov – Tornadoes and the NWS Tornado Safety page. The Wyoming Office of Homeland Security also provides state-specific emergency preparedness guidance.

Frequently asked questions

Does Wyoming get tornadoes?

Yes, Wyoming sees an average of several tornadoes each year, most commonly on the eastern plains. While they are generally weaker than Midwest tornadoes, they can still cause damage and should always be treated seriously.

What is the tornado season in Wyoming?

Wyoming’s tornado season typically runs from late spring through summer, with the peak in June. Most tornadoes occur between the afternoon and evening hours, but they can happen at any time of day.

Is my home safe from tornadoes in Wyoming?

No home is completely tornado-proof, but you can significantly reduce risk by building a safe room, reinforcing your roof, and maintaining defensible space around your property. Follow guidance from the Wyoming Office of Homeland Security and the National Weather Service to stay prepared.

Official resources

• Wyoming Office of Homeland Security
• NOAA Storm Prediction Center
• Ready.gov – Tornadoes
• NWS Tornado Safety