32of 100

Today's score

Ticks in Cool Valley, MO

St. Louis County

Low risk

Tick activity is low right now, but never zero. A quick check after time outdoors is still worth it.

Updated July 11, 2026

Life stage
Lone-star peak
Forest
36%
Tick species
4 of 5 here

Right now

Latest reading
74°
Temperature
93%
Humidity
0.0"
Recent rain

TickZone for iPhone · launching soon

Quiet in Cool Valley today. Know the evening before that changes.

7-day outlook

Risk recalculates daily from the local forecast.

Today
32
Sun
33
Mon
32
Tue
31
Wed
32
Thu
33
Fri
33
Sat
38
Sun
35
Mon
34
Tue
34
Wed
31
Thu
27
Fri
23

What's active right now

Lone-star ticks are at their summer peak, the main local driver of alpha-gal syndrome and ehrlichiosis. Midsummer is when lone-star bite counts run highest region-wide. American dog ticks are also out in open, grassy areas. Deer ticks remain a minor factor here compared with the Northeast.

Local tick habitat

Cool Valley is 59% natural land cover (36% forest, plus open and brushy areas) across its 0.46 sq mi, home to about 1,006 people. That makes it the 57th-most wooded of the 87 towns in St. Louis County. Lone-star and Gulf Coast ticks favor brushy edges, overgrown fields, and open pine woods as much as deep forest: the more of that a town has, the more places ticks can quest.

St. Louis County's CDC Lyme rate is negligible, unsurprising this far south, so deer ticks are a minor factor in Cool Valley. The lone star tick is what actually drives local risk here: it is established region-wide, bites aggressively at every life stage, and is the tick most responsible for alpha-gal syndrome, ehrlichiosis, and STARI in Missouri.

Tick control in Cool Valley, MO

Do I need tick control in Cool Valley?

Today's risk in Cool Valley is low (32/100), so there is no urgency. Quiet stretches are actually a good time to book: pros apply barrier treatments before activity climbs, and spring nymph season is when most Lyme transmission happens.

Professional tick control in Cool Valley typically means a barrier treatment along the lawn edge, leaf litter, stone walls, and shady borders where ticks wait for a host, applied two to four times a season by a licensed pest control company. It is the single most effective way to cut tick numbers in the part of the yard your family actually uses.

How much does tick control cost in Cool Valley?

Most homeowners pay about $100 to $200 per visit for professional tick spraying, or roughly $350 to $600 for a full season of barrier treatments, depending on lot size and how wooded the property is. Quotes are free, so it costs nothing to get a real number for your yard.

Get a free tick control quote

From a vetted local tick exterminator serving Cool Valley. No cost, no obligation.

Is it tick season in Cool Valley right now?

Yes. Lone-star ticks are at their summer peak, the main local driver of alpha-gal syndrome and ehrlichiosis. In Cool Valley, today's risk reads low (32/100). Tick activity is low right now, but never zero. A quick check after time outdoors is still worth it.

Does Cool Valley have lone star ticks that cause alpha-gal syndrome?

Yes. The lone star tick is established in St. Louis County and is the tick most responsible for human bites in Missouri. Its bite can trigger alpha-gal syndrome, a delayed allergy to red meat and other mammal products, along with ehrlichiosis and STARI. Unlike the Northeast, Lyme disease is a minor factor here: the lone star tick, not the deer tick, is what actually drives local risk. Learn the symptoms and what foods to avoid.

Nearby towns

Tick risk is local. Check the towns around you.

Stay ahead of ticks in Cool Valley

The TickZone iPhone app (launching soon) alerts you the evening before Cool Valley's risk spikes, so protection happens before the bite.