Central Illinois will experience scattered thunderstorms through Wednesday, with rising temperatures and an increasing risk of severe weather. According to the National Weather Service in Lincoln, a slow-moving weather system will bring persistent showers and thunderstorms across the region, especially south of I-72.
Some areas may see heavy rainfall, while severe thunderstorms are expected to develop late Tuesday into Wednesday, bringing the potential for strong winds and localized flooding.
Weather Forecast for the Week
The temperatures will gradually climb throughout the week. Saturday will be mild with highs near 80°F, but by Tuesday, temperatures could reach the upper 80s and even into the low 90s in some places. Cities such as Decatur, Charleston, and Effingham will experience muggy afternoons, with storm chances increasing in the evening. Sunday will offer a brief break with partly cloudy skies, but storm chances will pick up again Monday night.
Severe Weather Alert
As the week progresses, there’s a heightened risk of severe thunderstorms, especially late Tuesday into Wednesday. These storms could bring damaging winds and the possibility of flooding in low-lying areas. With rising temperatures and increased humidity, conditions will be ripe for heavy rain, especially in the afternoon and evening hours.
Precautionary Measures for Residents
Residents are advised to stay alert to the weather forecasts throughout the week and have a severe weather plan in place. Driving through heavy rain can be dangerous, so it’s important to use caution, especially on low-lying roads that are prone to flooding. Keep an eye out for weather updates as storm warnings could be issued for specific areas as the new weather system arrives.
5-Day Central Illinois Weather Snapshot
- Saturday: Scattered thunderstorms (40%), highs 79–83°F
- Sunday: Partly cloudy, highs 81–85°F
- Monday: Chance of storms (30%), highs 83–87°F
- Tuesday: Storms possible (40%), highs 86–90°F
- Wednesday: Storms likely, some severe (50–70%), highs 84–88°F
The weather in central Illinois will be marked by thunderstorms, rising temperatures, and the potential for severe weather throughout the week. Be prepared for heavy rain and possible flooding, and make sure to monitor weather updates for the latest information.
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