Springfield, Illinois – A humid, unsettled start to the week is set to impact Central Illinois as muggy air and scattered storms return this afternoon and again on Tuesday. Residents should prepare for sticky conditions and the potential for brief downpours or thunder, especially during afternoon and evening hours.
According to the National Weather Service in Lincoln, isolated to scattered showers and storms are most likely from today into Tuesday night, with rain chances hovering around 30%. The threat extends across key corridors like I-55 and I-72, affecting Springfield, Decatur, Bloomington, and neighboring towns. While severe weather isn’t expected, brief heavy rainfall or gusty winds could slow commutes and outdoor plans.
Temperatures will steadily rise, reaching highs in the upper 80s to near 90 by midweek, while nighttime lows stay mild in the mid to upper 60s. By Wednesday, drier weather takes over, and the heat intensifies. Residents are advised to stay hydrated, limit strenuous activity outdoors, and monitor for any updated alerts as storms move through.
Drier, sunnier weather is expected to dominate the second half of the week. More advisories are possible if storm chances linger into early Wednesday.
Five Day Outlook for Springfield, Illinois:
• Today: Scattered PM storms, humid, highs 78–83°F, lows 62–66°F
• Tuesday: Scattered storms, highs 80–85°F, lows 64–68°F
• Wednesday: Mostly dry, partly cloudy, highs 83–88°F, lows 65–69°F
• Thursday: Sunny, very warm, highs 86–91°F, lows 66–71°F
• Friday: Mostly sunny, hot, highs 87–92°F, lows near 70°F
