Weather Alerts For Saint Augustine, IL

# HEADLINE -------------------- EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING # DETAILS -------------------- WHAT Dangerously hot conditions with heat index values up to 105. WHERE Portions of central, east central, and west central Illinois. WHEN Until 7 PM CDT this evening. IMPACTS Heat related illnesses increase significantly during extreme heat and high humidity events. ISSUED AT Friday, September 4, 2026 at 1:32 AM CDT ISSUED BY National Weather Service Lincoln 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. # AREAS AFFECTED -------------------- Edgar, Logan, Champaign, Clark, Coles, De Witt, Douglas, Fulton, Knox, Macon, Marshall, Mason, McLean, Moultrie, Peoria, Piatt, Stark, Tazewell, Vermilion, Woodford Including the cities of Galesburg, Clinton, Canton, Decatur, Sullivan, Urbana, Pekin, Normal, Lincoln, Eureka, Marshall, Bloomington, Danville, Peoria, Havana, Lacon, Tuscola, Mattoon, Charleston, Toulon, Champaign, Monticello, and Paris

Pollen Index: 11.3 Pollen Level: high Predominant Pollen: Ragweed, Chenopods and Grass. The amount of pollen in the air for Friday will not change appreciably and will remain in the extremely high range. This is a result of stable temperatures and stable humidity. This lack of change in airborne pollen will continue to affect those who suffer from allergies and those who live with the allergy sufferers.