Where Do Squirrels Go in the Winter in Wisconsin?

January 15, 2026

If you have ever watched your backyard go quiet after the first snow, you might wonder where all the squirrels disappeared to. The short answer is that they are still around. They are just laying low.

In Wisconsin, squirrels stay active through winter. They stash food in fall, choose tight shelters, and ride out the cold in bursts of activity. Sometimes they choose attics and soffits, which is when homeowners start hearing scurrying at dawn.

Here is what really happens and how to keep your home protected, including when wildlife removal services make sense.

What Happens to Squirrels in Winter?

We are talking about the winter habits of common squirrels in Wisconsin. That includes gray squirrels and red squirrels. They do not hibernate.

Instead, they build or reuse nests called dreys. These are tight balls of twigs and leaves placed in sturdy branches. They also den inside tree cavities. During brutal cold snaps, several squirrels may share a den to save heat.

Food comes from cached nuts, seeds, and whatever they can find at feeders. When natural cavities are scarce, warm buildings become tempting. Attics, eaves, soffits, and uncapped chimneys are attractive shelters.

Why This Information Matters

Knowing where squirrels go in winter helps you prevent damage. A drey in a maple is fine. A nest in your attic is not.

Squirrels chew to keep teeth trimmed. That can mean wires, wood, and insulation. In Wisconsin, long cold spells push wildlife to the warmest spots they can find. If you hear morning scratching or rolling sounds like marbles, that may be squirrels moving stored acorns.

Early action protects your home and avoids midwinter surprises.

DIY Tips for Homeowners

You can reduce the chance of squirrels moving in with a few practical steps.

  • Trim branches. Keep tree limbs 6 to 8 feet from the roof so squirrels cannot leap onto shingles.
  • Cap chimneys and vent openings. Use wildlife grade caps and sturdy screens.
  • Inspect the roofline. Look for gaps at soffits, fascia, and dormers. Repair loose drip edge and cracked trim.
  • Use hardware cloth. For small gaps, install 16 gauge quarter inch hardware cloth secured with screws and washers.
  • Protect bird feeders. Choose squirrel resistant designs and place them away from the house. Clean spilled seed that attracts activity.
  • Store firewood away from exterior walls. A tidy yard reduces climbing routes and cover.
  • Do not seal an active entry. If you hear noise inside, wait to close holes until you are sure all squirrels are out. A one way door can work when used correctly and legally.
  • Avoid poisons. They are unsafe and not appropriate for squirrels. Focus on exclusion and habitat changes.

When to Call a Professional

Call wildlife removal services if you confirm squirrels inside, if noises persist, or if you find chewed wiring or strong odors.

1st Choice Pest Solutions can identify entry points, set up humane baiting, and time the work to avoid trapping young. In Wisconsin, late winter and early spring can involve litters. A professional plan usually includes one way doors, sealing and reinforcing the exterior, cleanup of droppings and nesting material, and odor control.

This restores your home and reduces repeat visits.

Frequently Asked Questions About Squirrels

Do squirrels hibernate in Wisconsin?

No. They remain active but limit trips outdoors during storms and extreme cold.

Where do squirrels sleep in winter?

Tree cavities, snug dreys, and sometimes man made structures like attics or soffits.

How do they stay warm?

Thick winter coats, shared dens during deep cold, and tight nests that block wind. They also burn calories from stored fat and cached food.

What are signs of squirrels in my attic?

Scratching or thumping at dawn and dusk, chewing sounds, torn insulation, nut shells, and daylight peeking through new holes along the roofline.

Can I remove squirrels myself?

You can encourage them out by waiting for a warm midday window, then using a one way device and sealing after 48 quiet hours. Many homeowners prefer wildlife removal services to ensure humane, permanent results.

When is the best time to seal entry points?

After you confirm all animals are out. Avoid sealing during nesting season if young may be present. A professional can time it correctly.

Final Note

Squirrels do not vanish in winter. They hunker down where it is warmest and safest. With smart trimming, screening, and repairs, you can keep them in the trees and out of the attic. If you already hear movement, wildlife removal services can clear the problem and button up your home for the rest of the season.

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