Pest Forecast for St. Croix County, Wisconsin

St. Croix County, Wisconsin · Pop. 95,000

34
/100
MODERATE OVERALL RISK

St. Croix County is currently experiencing moderate overall pest risk. Most active: Wasps (53), Mosquitoes (50), Termites (50). Warm temperatures are supporting pest activity.

Last updated: August 4, 2026 · Source: Open-Meteo Professional Weather Data

Current Weather Conditions

80.8°F
Temperature
Feels like 80.5°F
59%
Humidity
Dewpoint 65.1°F
0"
Rain (24h)
7-day: 0.63"
14 mph
Wind
Gusts 23.3 mph
78.9°F
Soil Temperature
Active pest zone
14%
Soil Moisture
Dry
0"
Rain (3-day)
0.63"
Rain (7-day)

Source: Open-Meteo weather models for St. Croix County area · Updated Aug 4, 12:02 AM

30-Day Weather Summary

83.1°F
Avg High
↓ vs avg
1.98"
Total Rainfall
11 rainy days

7-Day Weather Forecast

Today
Aug 4
75°
66°
46%
0.252" rain
19
Wed
Aug 5
83°
56°
1%
Thu
Aug 6
89°
59°
3%
Fri
Aug 7
86°
64°
14%
0.165" rain
Sat
Aug 8
94°
68°
30%
0.012" rain
21
Sun
Aug 9
87°
57°
30%
0.012" rain
16

All Pest Risk Scores for St. Croix County

Wasps
Steady
53
/100
MODERATE

Warm temps (80.8°F) fuel peak wasp foraging.

View Full Forecast →
Mosquitoes
Steady
50
/100
MODERATE

Warm temps (80.8°F) support mosquito activity.

View Full Forecast →
Termites
Steady
50
/100
MODERATE

Current conditions are limiting termite surface activity.

View Full Forecast →
Ants
Steady
40
/100
MODERATE

Warm conditions (80.8°F) keep ant foraging active.

View Full Forecast →
Ticks
Steady
40
/100
MODERATE

Heat at 80.8°F is reducing tick surface activity.

View Full Forecast →
Spiders
Steady
5
/100
LOW

Moderate conditions are keeping spider activity normal.

View Full Forecast →
Mice & Rats
Steady
0
/100
LOW

Mild temps (80.8°F) reduce indoor rodent pressure.

View Full Forecast →

3-Day Pest Outlook for St. Croix County

Pest TodayWedThu
Wasps
53 🟡53 🟡58 🟡 +5
Mosquitoes
50 🟡58 🟡 +858 🟡 +8
Termites
50 🟡55 🟡 +555 🟡 +5
Ants
40 🟡40 🟡45 🟡 +5
Ticks
40 🟡45 🟡 +545 🟡 +5
Spiders
5 🟢8 🟢 +38 🟢 +3
Mice & Rats
0 🟢0 🟢0 🟢

Projected from Open-Meteo forecast data. Actual scores update every 3 hours.

Need Pest Control in St. Croix County?

Wasps risk is MODERATE (53/100)

Preventive treatment now can avoid costly infestations later.

9 homeowners in St. Croix County have requested inspections

Pest Seasonality in St. Croix County

Month Active Pests
Jan Mice/Rats (indoor), Spiders (indoor)
Feb Mice/Rats (indoor)
Mar Ants (early), Termites (swarm season starts)
Apr Ticks (season starts), Ants, Termites
May Ticks (peak nymphs), Mosquitoes (start), Ants
Jun Ticks (peak), Mosquitoes (surge), Wasps (nest building)
Jul Mosquitoes (peak), Ticks, Wasps
Aug ← Now Mosquitoes (peak), Wasps (peak), Spiders (increase)
Sep Wasps (aggressive), Spiders, Mice (seeking warmth)
Oct Mice/Rats (peak intrusion), Spiders (indoor)
Nov Mice/Rats (indoor)
Dec Mice/Rats (indoor)

Nearby Cities

New Richmond
37/100 🟡
Hudson
37/100 🟡
Eau Claire
35/100 🟡
Altoona
35/100 🟡
La Crosse
46/100 🟡
Marshfield
36/100 🟡
Wausau
35/100 🟡
Baraboo
53/100 🟡

Pest FAQ for St. Croix County

What pests are active in St. Croix County right now?
Currently active pests in St. Croix County: Wasps (moderate risk, score 53/100), Mosquitoes (moderate risk, score 50/100), Termites (moderate risk, score 50/100), Ants (moderate risk, score 40/100), Ticks (moderate risk, score 40/100). Scores are updated every 3 hours from real-time weather data.
Early spring (March-April) is the most effective time for preventive treatment in St. Croix County. This is when pest populations are lowest and treatments can prevent infestations before they start. For mosquitoes and ticks, treatments in May before peak season are especially cost-effective.
Average pest control costs in St. Croix County range from $150-$300 for a one-time treatment and $40-$70/month for ongoing quarterly service. Termite treatments are higher, typically $1,500-$5,000. Mosquito yard treatments run $75-$100 per application. Get free quotes from local pros through our platform.
St. Croix County sees all 7 tracked pest types seasonally: ticks (Apr-Oct), mosquitoes (May-Sep), ants (spring-summer, especially after rain), wasps (Jun-Sep), spiders (year-round, peak indoors in fall), mice/rats (peak Oct-Mar), and termites (swarm season Mar-Jun). Use our forecasts to see what's active right now.
Most Wisconsin homeowners benefit from quarterly pest control service. During peak season (May-September), monthly treatments may be recommended for mosquitoes and ticks. Year-round quarterly service provides the best value for comprehensive protection against seasonal pests.

St. Croix County Pest Forecast by Type

Ticks
40/100 · moderate
Mosquitoes
50/100 · moderate
Ants
40/100 · moderate
Wasps
53/100 · moderate
Spiders
5/100 · low
Mice & Rats
0/100 · low
Termites
50/100 · moderate

Pest Control Articles for St. Croix County

8 min read

Wisconsin Pest Forecast: What to Expect Spring 2026

Which pests are becoming active across Wisconsin this spring, current risk scores for major cities, weather conditions to watch, and prevention tips for every pest type.

 10 min read

When Is Tick Season in Wisconsin? A Data-Driven Guide

Tick season timing in Wisconsin, how temperature and humidity drive tick activity, current tick scores for top cities, and evidence-based prevention strategies.

 12 min read

How Weather Affects Pest Activity: The Science Behind Our Forecasts

The scientific relationship between weather conditions and pest behavior for all 7 tracked pest types, including temperature thresholds, humidity effects, rainfall impact, and degree-day models.

Browse all pest control articles →

← All Wisconsin Forecasts 📚 Pest Control Blog 🏢 Are you a pest control professional? Join our network →