Wildfires risk in Wisconsin

Wildfire characteristics in Wisconsin

Wisconsin's wildfire risk is relatively low compared to many western states, but it is not zero. The state's northern forests, particularly the Northwoods region, contain large areas of pine, oak, and other fire-prone vegetation growing on sandy soils that can dry out quickly. Wildfires in Wisconsin typically occur during two main periods: spring, after snowmelt but before new vegetation greens up, and fall, when leaves drop and grasses dry. Drought conditions can extend the risk into summer. According to the National Interagency Fire Center, Wisconsin experiences wildfires each year, most of which are small and human-caused, such as from debris burning, equipment use, or campfires. The most exposed areas include northern counties like Vilas, Oneida, Forest, and Marinette, as well as parts of the central sands region. Southern Wisconsin's grasslands and oak savannas can also burn, though fires there are usually less intense. However, because of the generally humid climate, fragmented forests, and effective fire suppression, large, catastrophic wildfires are rare. While Wisconsin has a history of major fires, such as the Peshtigo Fire of 1871, modern fire management and land use changes have greatly reduced the likelihood of such events. Wisconsin Emergency Management coordinates with the Department of Natural Resources (DNR) and local agencies to monitor fire danger and respond to outbreaks. The state uses a fire danger rating system to alert residents when conditions are ripe for wildfires. Homeowners can check current fire danger levels and burn bans through local authorities or the DNR.

How it affects homes

In Wisconsin, the homes most at risk from wildfire are those located in the wildland-urban interface (WUI) — areas where homes are built near or among forests, brush, and grasslands. The primary threats to homes are embers, which can travel miles ahead of a fire and ignite roofs, decks, and gutters; radiant heat; and direct flame contact. Ember attack is the leading cause of home ignition during wildfires. Homes with wood shake roofs, unenclosed eaves, and combustible decks are especially vulnerable. Typical property damage includes burned siding, roofs, and outbuildings, as well as smoke and water damage. Even if a home survives, smoke can cause significant cleanup costs and health hazards. Homeowners insurance policies in Wisconsin generally cover wildfire damage under the standard fire peril. However, coverage details vary. In low-risk states like Wisconsin, insurers typically do not require special wildfire endorsements, but homeowners in wooded areas should review their policies to ensure adequate dwelling and personal property coverage. Some insurers may offer discounts for mitigation measures like fire-resistant roofing or defensible space. It's also important to document your belongings with photos or a video and keep an inventory for claims. If your home is damaged, additional living expenses coverage may help with temporary housing. After a wildfire, you may need to file a claim promptly and keep receipts for any expenses. If you live in a high-risk area, your insurer might require you to take mitigation steps to maintain coverage.

How to prepare your home

While the overall risk is low, taking proactive steps can reduce your home's vulnerability to wildfire and may make insurance easier to obtain. Use the following checklist, based on guidance from Ready.gov and the US Forest Service:

• Create defensible space: Maintain a 30-foot zone around your home free of dead vegetation, leaves, and flammable materials. Keep lawns mowed and well-watered. Remove branches overhanging the roof and prune trees up to 10 feet from the ground. Replace combustible mulch with gravel or stone near the foundation.
• Use fire-resistant materials: Install Class A roofing (e.g., asphalt shingles, metal, tile), and use fire-resistant siding and decking. Enclose eaves and soffits to prevent ember entry. Consider dual-pane tempered glass windows.
• Screen vents and openings: Cover chimneys, vents, and under-eave openings with 1/8-inch metal mesh to block embers.
• Keep gutters clean: Remove leaves and pine needles from gutters and roofs regularly. Install gutter guards to reduce debris accumulation.
• Manage trees and shrubs: Space plantings to slow fire spread. Choose fire-resistant plants for landscaping. Remove dead trees and shrubs promptly.
• Store flammable materials safely: Keep firewood, propane tanks, and gas cans at least 30 feet from the home. Store them in a cleared area.
• Develop an evacuation plan: Know at least two ways out of your neighborhood and have a go-bag ready. Practice with your family. Include pets in your plan.
• Stay informed: Sign up for local emergency alerts and monitor drought conditions via the U.S. Drought Monitor. Check fire danger levels before burning debris.
• Maintain your home: Regularly clean roofs and decks of debris. Install spark arrestors on chimneys. Keep a hose long enough to reach all areas of your home.
• Prepare for embers: Use ember-resistant vents. Consider installing a fire sprinkler system or exterior sprinklers if you live in a high-risk area.

Frequently asked questions

Does Wisconsin have a wildfire season?

Yes, Wisconsin typically has two wildfire seasons: spring (after snowmelt but before green-up) and fall (after leaf drop). However, wildfires can occur anytime conditions are dry. Drought years can extend the risk into summer. The Wisconsin DNR issues fire danger warnings and burn bans when necessary. It's important to follow local burning restrictions to prevent wildfires.

Are homes in Wisconsin at risk from wildfires?

Wildfire risk in Wisconsin is rated as level 1 out of 5 by HomeRiskMap, meaning low overall. However, homes in northern forested areas and the central sands region are more exposed. The primary risk comes from small, human-caused fires that can threaten nearby structures. Taking mitigation steps like creating defensible space can further reduce your risk. Even in low-risk areas, it's wise to be prepared.

Does homeowners insurance cover wildfire damage in Wisconsin?

In most cases, standard homeowners insurance policies cover wildfire damage, including smoke and water damage from firefighting efforts. However, it's wise to review your policy and consider additional coverage if you live in a high-risk area. Some insurers may offer mitigation discounts. Keep an inventory of your belongings to streamline claims. If you have questions, contact your insurance agent.

Official resources

• Wisconsin Emergency Management
• National Interagency Fire Center
• Ready.gov – Wildfires
• US Forest Service – Fire