Weather Alerts For Streator, IL

# HEADLINE -------------------- HEAT ADVISORY NOW IN EFFECT UNTIL 10 PM CDT THIS EVENING # DETAILS -------------------- WHAT Peak heat index values this afternoon of 100 to locally 110 degrees. WHERE In Illinois, Livingston, Ford, Iroquois, La Salle, Grundy, and Kankakee Counties. In Indiana, Benton, Jasper, and Newton Counties. WHEN Until 10 PM CDT this evening. IMPACTS Hot temperatures and high humidity may cause heat illnesses. ISSUED AT Friday, September 4, 2026 at 2:54 AM CDT ISSUED BY National Weather Service Chicago IL HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. # AREAS AFFECTED -------------------- Benton, Ford, Grundy, Iroquois, Jasper, Kankakee, La Salle, Livingston, Newton Including the cities of Fowler, Marseilles, Kentland, Bourbonnais, Coal City, Watseka, Paxton, Roselawn, DeMotte, Gilman, Dwight, Rensselaer, Bradley, Mendota, Morocco, Morris, Minooka, Kankakee, Oxford, Fairbury, Ottawa, Streator, Gibson City, Pontiac, and La Salle

Pollen Index: 11.2 Pollen Level: high Predominant Pollen: Ragweed, Chenopods and Nettle. Based on past pollen counts and expected weather conditions, pollen levels for Saturday will be falling but will remain in the very high range. This lower level is caused by falling temperatures, rising relative humidity and weaker winds.