Weather Alerts For Melvin, IL

# HEADLINE -------------------- HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT /8 PM EDT/ FRIDAY # DETAILS -------------------- WHAT Heat index values 100 to 105 expected. WHERE In Illinois, Livingston, Ford, Iroquois, La Salle, Grundy, and Kankakee Counties. In Indiana, Benton, Jasper, and Newton Counties. WHEN Until 7 PM CDT /8 PM EDT/ Friday. IMPACTS Hot temperatures and high humidity may cause heat illnesses especially after several days of dangerous heat. ISSUED AT Thursday, September 3, 2026 at 7:56 PM CDT ISSUED BY National Weather Service Chicago IL HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Consider altering outdoor plans. If outdoors for prolonged periods of time, wear lightweight and loose fitting clothing. Take action when you see symptoms of heat exhaustion and heat stroke. # AREAS AFFECTED -------------------- Benton, Ford, Grundy, Iroquois, Jasper, Kankakee, La Salle, Livingston, Newton Including the cities of Marseilles, Ottawa, Kentland, DeMotte, Minooka, Roselawn, Pontiac, Mendota, Fairbury, Fowler, Streator, Coal City, Oxford, Dwight, Bourbonnais, Kankakee, Bradley, Rensselaer, Gilman, Gibson City, Paxton, Watseka, La Salle, Morocco, and Morris

Pollen Index: 11.2 Pollen Level: high Predominant Pollen: Ragweed, Chenopods and Grass. The pollen levels for Friday will remain relatively stable in the extremely high range. This is a result of stable temperatures. The pollen producing plants are delivering a fairly constant level of pollen into the air.