Central Illinois Weather: Showers and 40s Overnight Temps Expected Midweek
SPRINGFIELD, Illinois — Central Illinois will enjoy warm and pleasant weather through Tuesday before a sharp cold front arrives midweek, bringing scattered showers, gusty winds, and the chilliest nights since early summer.
Weekend Wrap-Up and Early Week Outlook
According to the National Weather Service in Lincoln, highs Sunday and Monday will reach the upper 70s to low 80s with mostly sunny skies. Overnight lows will dip into the low to mid-50s, offering comfortable evenings across the region.
Tuesday will be partly cloudy, with highs in the low 80s and mild overnight temperatures in the upper 50s.
Midweek Cold Front Brings Big Change
By Wednesday afternoon, a cold front will push into Illinois, bringing:
- Scattered showers
- Breezy winds
- Daytime highs in the mid-70s
- Overnight lows tumbling into the mid-to-upper 40s
Cities like Peoria, Bloomington, and Decatur will feel the drop, with the cool, damp conditions lasting through Thursday and Friday mornings.
Farmers and Travelers Take Note
The rain could bring short-term relief for farmers before drier air returns later in the week. Drivers are advised to watch for slick roads during scattered showers, especially during commutes.
Residents may also want to pull out light jackets and prepare for crisp mornings, as overnight lows dip well below normal for late August and early September.
Five-Day Forecast for Springfield, Illinois
- Sunday: Sunny, high 78–82, low 51–57
- Monday: Mostly sunny, high 78–83, low 53–60
- Tuesday: Partly cloudy, high 80–85, low 55–59
- Wednesday: Breezy with showers, high 74–82, low 43–49
- Thursday: Cooler, partly sunny, high 62–69, low 42–47
- Friday: Mostly clear, high 69–72, low 40–46
Central Illinois will shift from summer warmth to a brief taste of fall by midweek, with chilly nights and lingering showers before calmer weather returns next weekend.
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