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Mosquito Protection
Mosquito Information
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United States, St. Louis

Thursday

Today

0

Moderate

Friday

Tomorrow

1

Moderate

Saturday

May 24

1

Moderate

Sunday

May 25

0

Low

Monday

May 26

1

Low

How we forecast?

Mosquito Forecast for St. Louis

The St. Louis mosquito forecast shows peak activity during the summer months, especially July, with a forecast rating of 10 out of 10. Mosquitoes start becoming noticeable in March and April as temperatures rise, increasing from a 3 to 5 on the scale. By May, the activity intensifies, coinciding with the blooming of the iconic Gateway Arch surroundings. Residents and visitors should be particularly vigilant from May through September. For real-time updates, check resources like the St. Louis Mosquito Control Program. Knowing the monthly forecast helps plan outdoor activities while minimizing bites.

Year round mosquito forecast

  • Mosquito Intensity
JanuaryFebruaryMarchAprilMayJuneJulyAugustOctoberDecember012345678910Mosquito Intensity

Environmental Factors Influencing Mosquito Activity

Mosquito populations in St. Louis are influenced by several environmental factors. Warm temperatures and standing water from the Mississippi River's occasional flooding create ideal breeding grounds. Here are key influences: 1. Seasonal rainfall and humidity levels; 2. Urban green spaces like Forest Park; 3. Temperature fluctuations. These conditions contribute to the surge in mosquito numbers during summer. Understanding these factors can help locals reduce exposure by eliminating stagnant water sources and using protective measures. Learn more about how local weather impacts mosquitoes at the National Weather Service St. Louis.

Mosquito-Borne Diseases in the St. Louis Area

St. Louis faces risks from mosquito-borne illnesses such as West Nile Virus, which is the most common in the region. The first case was identified here in 1964, giving the virus its name. Other diseases like Eastern Equine Encephalitis are rare but possible. Symptoms can range from mild fever to severe neurological issues. To stay safe, residents should be aware of symptoms and seek medical advice promptly. The CDC's West Nile Virus page offers detailed information on prevention and symptoms. Preventative measures include wearing long sleeves and using EPA-registered insect repellents.

Stay Updated and Prepared in St. Louis

Staying informed is crucial for managing mosquito exposure in St. Louis. Subscribe to local health department alerts and use apps that provide mosquito activity forecasts. Here are tips to stay prepared: - Use window and door screens - Remove standing water weekly - Apply mosquito repellents when outdoors Following these steps helps reduce your risk of bites and disease. For continuous updates, visit the St. Louis County Health Department. Protect yourself and enjoy the city's outdoor gems safely. Stay ahead with the St. Louis mosquito forecast to enjoy a bite-free season.
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Mosquito-borne diseases in the area

Malaria

Zika

Dengue

Yellow Fever

Chikungunya

West Nile Fever

FAQs

Mosquito season in St. Louis typically runs from March through October, peaking in July and August.

West Nile Virus is the most common mosquito-borne disease in St. Louis, with occasional cases of Eastern Equine Encephalitis.

Use insect repellent, wear long sleeves and pants, and eliminate standing water around your home to reduce mosquito breeding.

Further information

National Weather Service St. LouisSt. Louis Mosquito Control ProgramCDC West Nile Virus
St. Louis Mosquito Forecast & Prevention Tips | Mosquito Forecast