Springfield, Illinois – Heat and humidity will dominate Central Illinois through the weekend, with temperatures climbing into the mid-90s and only brief chances for rain until Sunday night.
According to the National Weather Service in Lincoln, Thursday brings a slight (20%) chance of isolated showers and storms, mainly in the afternoon and evening. Friday and Saturday will stay mostly dry with highs between 88°F and 95°F, and minimal rain chances under 10%.
Conditions shift Sunday night as a weak disturbance pushes into the region, raising the chance of scattered storms (30%), particularly after midnight. Monday will stay warm, with highs near 90°F and lingering showers or thunderstorms possible throughout the day.
Residents in Springfield, Decatur, and Bloomington should monitor conditions Sunday evening into early Monday, especially if planning travel or outdoor activities. While severe weather is not currently expected, heavy downpours and lightning could briefly disrupt plans.
Expect continued hot and muggy conditions into next week. The National Weather Service advises staying hydrated and limiting strenuous activity during peak afternoon hours.
Five Day Forecast for Springfield, Illinois:
- Thursday: Partly sunny, slight storm chance. High 88–92°F.
- Friday: Mostly sunny, dry. High 89–94°F.
- Saturday: Hot and mostly clear. High 89–95°F.
- Sunday: Increasing clouds, storm chance late. High 86–92°F.
- Monday: Scattered storms possible. High 85–91°F.
