Pest Forecast for Clark County, Wisconsin

Clark County, Wisconsin · Pop. 34,711

47
/100
MODERATE OVERALL RISK

Clark County is currently experiencing moderate overall pest risk. Most active: Wasps (70), Spiders (63), Ticks (55). Warm temperatures are supporting pest activity.

Last updated: July 21, 2026 · Source: Open-Meteo Professional Weather Data

Current Weather Conditions

76.1°F
Temperature
Feels like 79.3°F
74%
Humidity
Dewpoint 67.2°F
0"
Rain (24h)
7-day: 0.17"
7.9 mph
Wind
Gusts 17 mph
72.7°F
Soil Temperature
Active pest zone
16%
Soil Moisture
Dry
0.15"
Rain (3-day)
0.17"
Rain (7-day)

Source: Open-Meteo weather models for Clark County area · Updated Jul 21, 3:04 AM

30-Day Weather Summary

80°F
Avg High
↓ vs avg
4.36"
Total Rainfall
15 rainy days

7-Day Weather Forecast

Today
Jul 21
73°
57°
2%
18
Wed
Jul 22
69°
53°
Thu
Jul 23
75°
51°
2%
Fri
Jul 24
79°
60°
1%
Sat
Jul 25
79°
56°
17%
Sun
Jul 26
89°
65°
17%
0.035" rain

All Pest Risk Scores for Clark County

Wasps
Steady
70
/100
HIGH

Warm temps (76.1°F) fuel peak wasp foraging.

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Spiders
Steady
63
/100
HIGH

Humidity at 74% attracts insects, drawing spiders.

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Ticks
Steady
55
/100
MODERATE

Temps of 76.1°F are in the tick questing range.

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Ants
Steady
50
/100
MODERATE

Warm conditions (76.1°F) keep ant foraging active.

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Termites
Steady
50
/100
MODERATE

Warm (76.1°F) and humid (74%) soil supports termite activity.

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Mosquitoes
Steady
43
/100
MODERATE

Warm temps (76.1°F) support mosquito activity.

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Mice & Rats
Steady
0
/100
LOW

Mild temps (76.1°F) reduce indoor rodent pressure.

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3-Day Pest Outlook for Clark County

Pest TodayWedThu
Wasps
70 🟠70 🟠70 🟠
Spiders
63 🟠66 🟠 +366 🟠 +3
Ticks
55 🟡60 🟠 +560 🟠 +5
Ants
50 🟡50 🟡50 🟡
Termites
50 🟡50 🟡50 🟡
Mosquitoes
43 🟡43 🟡43 🟡
Mice & Rats
0 🟢5 🟢 +55 🟢 +5

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

Need Pest Control in Clark County?

Wasps risk is HIGH (70/100)

Professional treatment is recommended when scores are this high.

13 homeowners in Clark County have requested inspections

Pest Seasonality in Clark 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 ← Now Mosquitoes (peak), Ticks, Wasps
Aug 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

Marshfield
49/100 🟡
Altoona
46/100 🟡
Eau Claire
46/100 🟡
Wausau
44/100 🟡
La Crosse
62/100 🟠
Baraboo
43/100 🟡
Waunakee
45/100 🟡
DeForest
46/100 🟡

Pest FAQ for Clark County

What pests are active in Clark County right now?
Currently active pests in Clark County: Wasps (high risk, score 70/100), Spiders (high risk, score 63/100), Ticks (moderate risk, score 55/100), Ants (moderate risk, score 50/100), Termites (moderate risk, score 50/100), Mosquitoes (moderate risk, score 43/100). Scores are updated every 3 hours from real-time weather data.
Early spring (March-April) is the most effective time for preventive treatment in Clark 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 Clark 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.
Clark 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.

Clark County Pest Forecast by Type

Ticks
55/100 · moderate
Mosquitoes
43/100 · moderate
Ants
50/100 · moderate
Wasps
70/100 · high
Spiders
63/100 · high
Mice & Rats
0/100 · low
Termites
50/100 · moderate

Pest Control Articles for Clark 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 →

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