Marion County, IL
Alerts
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Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.
In effect from Saturday 09/19 12:51 PM CDT – Saturday 09/19 8:00 PM CDT
Issued by NWS St Louis MO
What
Heat index values up to 101.
Where
Portions of south central and southwest Illinois and central, east central, and southeast Missouri.
When
Until 8 PM CDT this evening.
Impacts
Hot temperatures and high humidity may cause heat illnesses.
What to Do
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Areas Impacted
- Bond
- Clinton
- Marion
- Washington
- Randolph
- Madison
- St. Clair
- Monroe
- Moniteau
- Cole
- Osage
- Gasconade
- Warren
- St. Charles
- Franklin
- St. Louis
- St. Louis City
- Jefferson
- Crawford
- Washington
- St. Francois
- Ste. Genevieve
- Iron
- Madison
- Reynolds
Tips to Stay Safe
A Heat Advisory means dangerous heat conditions are happening now or soon. Take action before, during and after the heat to stay safe.
- Stay in air-conditioned spaces if possible. Find cooling centers or places with AC in your community that you can go to, like libraries or shopping malls.
- Stay hydrated and stock up on clean drinking water to get you through multiple days of heat.
- Reschedule outdoor activities for cooler times of the day, and take breaks in the shade or air conditioning.
- Cover windows with curtains or shades, or use window reflectors designed to reflect heat back outside.
- Check on friends, family, and neighbors, especially those who do not have air conditioning or spend much of their time alone.
Make sure you know the signs of heat-related illness and how to respond.
Briefing
From the Forecaster
One More Day of Widespread Heat
Created by the NWS St Louis WFO
Another day of near-record breaking heat is expected today with highs in the mid to upper 90s. Humidity levels will be a bit lower though compared to Friday, which means heat index values also will be a bit lower. A slow-moving cold front begins to provide some relief on Sunday, and then below normal temperatures are expected early/mid next week.
Seven-day Weather Risk Overview
The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.
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