Are There Scorpions in Wisconsin?

No, scorpions do not live in Wisconsin. These venomous arachnids are found only in hot, dry regions of the American Southwest, primarily Arizona, New Mexico, and California. Wisconsin's northern climate features cold winters, significant snowfall, and moderate rainfall, making it far too cool and wet for scorpions.

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By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated July 22, 2026.

Western Forest Scorpion photographed in Wisconsin

Western Forest Scorpion · Seth CC BY

Black Hairy Scorpion photographed in Wisconsin

Black Hairy Scorpion · Public domain CC0

Southern Devil Scorpion photographed in Wisconsin

Southern Devil Scorpion · Alan Rockefeller CC BY

Photos by iNaturalist observers, reused under the licence each observer chose.
Not established in Wisconsin
0
GBIF records

Scorpions aren't established in Wisconsin, so you might be wondering:

Real sighting data, source iNaturalist

Only 0 verified observations on iNaturalist of scorpion have been logged in Wisconsin, which fits how rare they are in the state. That low number is itself the most honest answer to whether you are likely to see one here.

No, scorpions do not live in Wisconsin. These venomous arachnids are found only in hot, dry regions of the American Southwest, primarily Arizona, New Mexico, and California. Wisconsin's northern climate features cold winters, significant snowfall, and moderate rainfall, making it far too cool and wet for scorpions.

Are They in Wisconsin?

Wisconsin has no established scorpion population. The state's northern location and frigid climate prevent scorpions from surviving here. Scorpions cannot endure Wisconsin's long, severe winters, when temperatures plummet far below freezing for extended periods and the state receives significant snowfall. While an occasional scorpion might accidentally arrive in a shipment from the Southwest, it would quickly perish in Wisconsin conditions and could never establish a breeding population. The species lacks the biological adaptations for this cold climate. The nearest wild scorpions live over 1,200 miles away in Arizona and New Mexico. Most Wisconsin residents will never see a living scorpion unless they travel to the desert Southwest. For more details, explore ourScorpion in Wisconsinguide, but know with complete certainty that you and your family face no scorpion risk in your state.

How Dangerous Is It?

Scorpions are venomous arachnids that use their stingers to subdue insects and small prey animals. In the United States, only a handful of scorpion species have venom potent enough to cause serious medical harm to humans. Most scorpion stings feel similar to a bee or wasp sting, producing localized pain, swelling, and redness that typically resolve within a day or two. The Bark Scorpion of Arizona is the only North American scorpion species whose sting can cause significant medical effects, including numbness and temporary paralysis in some cases. Even Bark Scorpion stings require prompt medical care but are rarely life-threatening in healthy adults. Other Southwest scorpions cause only minor local reactions. Scorpions found in other regions of the world can be considerably more dangerous than any North American species. Since Wisconsin has no scorpions, this risk is entirely absent from your state.

How to Recognize One

Should you travel to the Southwest and encounter a scorpion, here is how to identify it. Scorpions are distinctive arachnids with eight walking legs, two pedipalps or pincers extending from the front, and a segmented tail that curves upward and ends in a venomous stinger. Most North American scorpions are colored yellow, tan, brown, or black. Size varies by species, ranging from about two inches to five inches in length. The curved tail is the most obvious identifying feature. Scorpions have a flattened body shape and are exclusively nocturnal, hunting at night and hiding in dark crevices during daylight hours. They are attracted to insects and other small creatures. In Wisconsin, exploreWisconsin wildlifeto learn about the arachnids you actually encounter in your yard and home, such as beneficial spiders, harvestmen, and other harmless creatures.

What to Do If Bitten or Stung

Scorpion stings are virtually impossible in Wisconsin because scorpions do not live in the state. However, if an extremely unlikely scenario occurs involving a transported specimen, remain calm. Remove any rings or tight bracelets from the affected limb, keep the area still and positioned below heart level, and wash the sting site with soap and water. Apply a cold compress to help reduce swelling and pain. Seek medical attention as soon as possible. Do not cut the sting site, do not apply a tourniquet, and do not attempt any field treatment. This is general information, not medical advice; if you are bitten, call Poison Control at 1-800-222-1222, or 911 if symptoms are severe. Medical professionals can assess the situation and provide appropriate care based on the sting and individual factors.

How to Prevent Encounters

Prevention is straightforward in Wisconsin since scorpions do not occur naturally in the state. If you travel to the Southwest where scorpions are present, take basic precautions. Shake out shoes and clothing before putting them on, as scorpions may crawl inside. Wear closed-toe shoes and long pants when hiking or spending time outdoors in desert regions. Check your bed and bedding before sleeping, especially in older hotels and rustic accommodations. Use a flashlight to inspect dark corners, woodpiles, and rock crevices in your lodging. Seal gaps and cracks around doors and windows in your temporary home. Clear away debris and leaf litter where scorpions might hide. When traveling to Arizona, California, or New Mexico, ask locals about region-specific precautions. In Wisconsin, checkour wildlife guidesto learn about actual wildlife hazards that affect your outdoor activities and home life.

Where in Wisconsin and When

Scorpions do not inhabit any region of Wisconsin during any season of the year. Wisconsin's geography includes the Lake Michigan shoreline, the Lake Superior shoreline, and numerous inland lakes, rivers, and forests. All of these regions experience severely cold winters, with temperatures regularly dropping far below freezing for months. The state receives significant annual snowfall, particularly in northern areas. Even the warmest parts of Wisconsin, such as the southern agricultural regions near the Illinois border, are far too cool to support scorpions. Wisconsin's overall humidity and precipitation pattern are unsuitable for these desert-adapted creatures. Scorpions are found exclusively in the hottest, driest regions of North America, primarily the Sonoran, Chihuahuan, and Mojave deserts. The nearest scorpion populations to Wisconsin live over 1,200 miles to the southwest in Arizona and New Mexico. To learn what wildlife actually occurs in Wisconsin, explorewildlife in Wisconsin.

Harmless Lookalikes

Wisconsin is home to many harmless arachnids that residents encounter regularly. The harvestman or daddy longlegs resembles a spider with extraordinarily long, thin legs and a tiny rounded body. Harvestmen are completely harmless, do not spin webs, and feed on decaying organic matter. Wisconsin has numerous species of wolf spiders, which are beneficial hunters that control household insects. Cellar spiders and cobweb spiders are common indoors and entirely harmless. The few huntsman spider species found in Wisconsin, though they appear large and fast-moving, are completely nonvenomous to humans. Whip scorpions and pseudoscorpions look vaguely scorpion-like but are harmless and rarely encountered. If you see an arachnid in Wisconsin that concerns you, it is almost certainly one of these beneficial species. For more information, readmore on Scorpion in Wisconsinto deepen your arachnid knowledge.

Frequently Asked Questions

**Are scorpions deadly?** Scorpions deliver stings, not bites, and most North American species cause only mild effects similar to a wasp sting. Even the most dangerous North American scorpion causes death only rarely, particularly with prompt medical care.

**How common are scorpion stings in Wisconsin?** Scorpion stings do not occur in Wisconsin because scorpions do not inhabit the state. This is the most important answer.

**What attracts scorpions to a house?** Scorpions seek dark, cool hiding spots and hunt insects and small prey. In regions where scorpions live, homes with foundation gaps and cracks are more vulnerable to accidental entry.

**What should I do if I see one?** If you encounter a scorpion while traveling in the Southwest, leave it alone and back away slowly while remaining calm. Do not try to capture or handle it. Call Poison Control at 1-800-222-1222 if concerned. Learn more in ourWisconsin wildlife guide.

Plan your scorpion sighting in Wisconsin

There are no verified scorpion records for Wisconsin, which fits how uncommon they are here. See the GBIF records.

Where to look in Wisconsin

Planning a trip to see scorpion? Find places to stay near Apostle Islands National Lakeshore on Booking.com.

Frequently asked questions

Are They in Wisconsin?+

Wisconsin has no established scorpion population. The state's northern location and frigid climate prevent scorpions from surviving here. Scorpions cannot endure Wisconsin's long, severe winters, when temperatures plummet far below freezing for extended periods and the state receives significant snowfall. While an occasional scorpion might accidentally arrive in a shipment from the Southwest, it would quickly perish in Wisconsin conditions and could never establish a breeding population. The species lacks the biological adaptations for this cold climate. The nearest wild scorpions live over 1,200 miles away in Arizona and New Mexico. Most Wisconsin residents will never see a living scorpion unless they travel to the desert Southwest. For more details, explore ourScorpion in Wisconsinguide, but know with complete certainty that you and your family face no scorpion risk in your state.

How Dangerous Is It?+

Scorpions are venomous arachnids that use their stingers to subdue insects and small prey animals. In the United States, only a handful of scorpion species have venom potent enough to cause serious medical harm to humans. Most scorpion stings feel similar to a bee or wasp sting, producing localized pain, swelling, and redness that typically resolve within a day or two. The Bark Scorpion of Arizona is the only North American scorpion species whose sting can cause significant medical effects, including numbness and temporary paralysis in some cases. Even Bark Scorpion stings require prompt medical care but are rarely life-threatening in healthy adults. Other Southwest scorpions cause only minor local reactions. Scorpions found in other regions of the world can be considerably more dangerous than any North American species. Since Wisconsin has no scorpions, this risk is entirely absent from your state.