Springfield, Illinois – Sweltering heat and thick humidity are gripping Central Illinois, sending heat indices soaring near 100 degrees each afternoon through Saturday. Residents across the region, including Springfield, Bloomington, and Peoria, are facing dangerous conditions as the heat continues to build.
According to the National Weather Service in Lincoln, heat index values will peak at 100 to 102 degrees, especially in cities like Jacksonville, Lincoln, and Galesburg. Storm chances return Saturday night as scattered thunderstorms develop, with the risk of daily storms lingering into early next week. Roads and sidewalks will heat up rapidly, and anyone spending time outdoors is urged to take frequent breaks, drink plenty of water, and check on neighbors and pets.
High temperatures from 89 to 93 degrees will dominate the weekend, with heat-related illnesses a concern for those without air conditioning or relief from the sun. Power outages and sudden heavy downpours are possible where storms hit, particularly Sunday through Tuesday. The weather service recommends limiting outdoor activity and staying tuned for any updated warnings as storm threats evolve.
The oppressive heat is expected to break slightly by midweek, but unsettled weather with continued storm chances remains. Additional advisories may be issued if conditions worsen.
Five Day Forecast for Springfield, Illinois:
- Saturday: 89–93°F, humid, storm risk late, 30% chance
- Sunday: 85–91°F, scattered storms, 30% chance
- Monday: 84–90°F, scattered storms, 40% chance
- Tuesday: 84–89°F, scattered storms, 40% chance
- Wednesday: 84–88°F, chance of storms, 30% chance
