Springfield, Illinois – Storms are set to rumble across Central Illinois through the weekend, with scattered showers and severe weather impacting communities from Springfield to Effingham. Drivers along I-72 and south of I-70 should be ready for wet roads, lightning, and rising humidity, as heat indices soar close to 105°F.
According to the National Weather Service in Lincoln, a cold front parked along the Ohio River Valley will trigger daily rounds of storms and showers through Sunday. The risk is highest south of I-72, where temperatures are expected to climb into the upper 80s and lower 90s, with heat index values reaching dangerous levels. Northern areas near Peoria and Bloomington will see highs in the upper 70s and low 80s, but rain chances persist through early next week.
Travelers should monitor conditions, especially along I-72, I-74, and I-70. Flooded roads and sudden downpours could slow commutes from Decatur to Vandalia. Stay weather aware, charge devices, and avoid outdoor activities during peak storms. This stretch of muggy, stormy weather is typical for July but still poses hazards for those with outdoor plans.
Thunderstorm chances decrease slightly by Tuesday, but heat remains. More advisories are possible if storms intensify.
Five Day Forecast:
- Thursday: Scattered storms, especially along I-72. Highs 77-89°F. 40% chance of rain.
- Friday: Storms likely south of I-72. Highs 82-88°F. 30-60% rain chance.
- Saturday: Strong storms, very humid. Highs 86-91°F. Heat index 100-105°F. 60% rain chance.
- Sunday: Showers, storms possible. Highs 85-90°F. Heat index 100-105°F. 40-60% rain chance.
- Monday: Fewer storms, muggy. Highs 86-91°F. Heat index 100-105°F. 30-50% rain chance.
- Tuesday: Isolated storms, mostly south. Highs 92-94°F. Heat index 110°F. 20-30% rain chance.
