Today’s Tick Risk in Minnesota – Real-Time Forecast & Activity Map
Check your ZIP code for local tick activity, real-time risk levels, and prevention insights.
Built from CDC and NOAA data
Surveillance Insights
- Annual Lyme Cases
- Top tier for Lyme and Anaplasmosis incidence
- Based on CDC surveillance data
- Long-Term Trend
- Range expanding north and west into Red River Valley
- Based on CDC surveillance data
- High Risk Zones
- Crow Wing, Cass, Aitkin, Pine, Anoka, Washington, Itasca
Current Situation in Minnesota
Minnesota shares the "high risk" distinction with its neighbor Wisconsin. The tick forecast for Minnesota is critical for the east-central and northern parts of the state. The blacklegged tick is the primary vector, transmitting Lyme, Anaplasmosis, and Babesiosis. The risk is highest in the forested regions, but ticks are also found in the Twin Cities metro area, particularly in the northern suburbs. Minnesota residents love their cabins and lakes, which unfortunately brings them into prime tick habitat regularly. The "Wood Tick" (American Dog Tick) is also extremely common but transmits fewer diseases.
Snapshot of the current tick situation in Minnesota, based on regional surveillance data and seasonal activity patterns.
- Risk Level
- Moderate to High
- Peak Activity
- May - July
- Dominant Vector
- Deer Tick (Ixodes scapularis)
Where Ticks Hide in Minnesota
The hardwood and mixed forests of North-Central and Eastern Minnesota are prime tick territory. The transition zone where the forest meets the prairie/farmland is also risky. The "Cabin Country" north of the Twin Cities (Brainerd, Aitkin, Ely) is a major exposure zone. City parks and nature centers within Minneapolis and St. Paul also harbor infected ticks. The Boundary Waters Canoe Area Wilderness has a robust tick population, though they are often overshadowed by mosquitoes and black flies.
Seasonal Activity Pattern
Minnesota's tick season is strictly defined by its winter. Activity ceases with snow cover but resumes quickly in spring (April/May). Nymphal activity peaks in June and mid-July, the prime time for summer vacations. Adult ticks are active in the fall, posing a risk to grouse and deer hunters. The risk period is intense but shorter than in southern states. "Tick checks" are a mandatory part of summer life in Minnesota.
Check Your Local Tick Risk
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Local Vector Analysis
Understanding which ticks are active in Minnesota helps you identify threats and take appropriate precautions.
Deer Tick / Blacklegged Tick
Ixodes scapularis
Appearance: Dark reddish-brown body with black shield on back. Adults are 3-5mm.
Peak Season: Adults: Oct-May | Nymphs: May-Aug
Habitat: Deciduous forests, shady moist areas, and leaf litter. Loves the boundary between lawns and woods.
Diseases: Lyme Disease, Anaplasmosis, Babesiosis, Powassan Virus, B. miyamotoi
American Dog Tick
Dermacentor variabilis
Appearance: Brown with white/grey mottling. Ornate white patterns on shield.
Peak Season: Spring and Summer
Habitat: Grassy fields, walkways, and trails. More tolerant of dry conditions than Deer Ticks.
Diseases: Rocky Mountain Spotted Fever, Tularemia
Lyme Disease
Vector: Deer tick (Ixodes scapularis)
Lyme Disease
Lyme disease is a bacterial infection transmitted by deer ticks. If caught early, it's highly treatable with antibiotics. Left untreated, it can cause serious complications affecting joints, heart, and nervous system.
Early Warning Signs
- Erythema migrans (EM) rash - appears in 70-80% of cases
- Bullseye rash (circular red rash with clear center)
- Rash appears 3-30 days after bite
- Fever and chills
Progression & Symptoms
- Severe headaches and neck stiffness
- Facial palsy (loss of muscle tone on one or both sides of face)
- Arthritis with severe joint pain, especially knees
Prevention Strategies
The best way to avoid tick-borne diseases is to prevent tick bites in the first place. These strategies work together to create multiple layers of protection.
Permethrin-Treated Clothing
Permethrin is an insecticide that kills ticks on contact. When applied to clothing, it remains effective through multiple washes.
Daily Tick Checks
Since disease transmission typically requires 24-48 hours of attachment, finding and removing ticks quickly dramatically reduces infection risk.
Landscaping Defense
Creating a tick-hostile environment in your yard reduces the chance ticks will be waiting when you step outside.
Shower Within 2 Hours
Showering after outdoor activity gives you a chance to wash off ticks before they bite.
Tick Bite Protocol
Acting quickly and correctly is your best defense against infection.Follow these 6 critical steps.
Don't Panic
Most tick bites do not transmit disease, especially if removed quickly.
- Infection rates vary by region (20-50%)
- Transmission usually takes 24-48 hours
- Stay calm and use proper technique
Gather Tools
Use fine-tipped tweezers. Avoid fingers or chemicals.
- Fine-tipped tweezers are best
- Rubbing alcohol for cleaning
- Small container to save the tick
Grasp & Pull
Grasp close to skin and pull upward with steady pressure.
- Grab mouthparts near skin (not body)
- Pull straight up—don't twist
- Maintain steady, even pressure
Clean Area
Disinfect the bite site and your hands thoroughly.
- Wash with soap and water
- Apply rubbing alcohol
- Wash hands well
Save Tick
Keep the tick in a sealed container for potential testing.
- Seal in bag or container
- Label with date and location
- Bring to doctor if symptoms appear
Monitor (30 Days)
Watch for rash or flu-like symptoms for a month.
- Check for expanding rash daily
- Watch for fever or fatigue
- Seek care if you feel unwell
Heading to a lake in Minnesota?
Live water temperatures and swim conditions for Lake Minnetonka, Mille Lacs Lake, Lake Superior.
See Minnesota lake temperaturesWhen does tick season end in Minnesota?
Tick activity winds down after the first hard freeze, which in Minnesota typically arrives around Sep 26. See the local first-frost window and city-by-city freeze dates.
Minnesota first frost datesAlso worried about mosquitoes in Minnesota?
West Nile virus, EEE, and the local mosquito season vary by state. Check your Minnesota mosquito risk profile.
View Minnesota mosquito forecastStay Safe in Minnesota
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