Chicago, Illinois – Scattered showers will clear out southeast of I-55 by mid-morning Friday, but Illinois residents should prepare for rising heat and midweek storms.
According to the National Weather Service Chicago, dry conditions will dominate through Sunday, but temperatures are expected to climb into the upper 80s early next week. Increasing humidity will accompany the warming trend, bringing the return of thunderstorm chances beginning Monday afternoon. The highest risk of severe weather appears to be Wednesday, when storms could become more organized across northern and central Illinois.
Cities like Joliet, Kankakee, and Aurora may see afternoon highs reach the low 90s by Tuesday, with dew points pushing into the uncomfortable 70s. By Wednesday, localized storms could lead to flooding, lightning, and damaging wind gusts. Severe weather watches may be issued as conditions evolve.
Commuters are advised to monitor radar updates and avoid outdoor activities during peak heat and storm periods. Ensure devices are charged and outdoor plans are flexible for midweek.
Storm chances taper by late Wednesday, but lingering humidity will persist. The next NWS update is expected Saturday morning.
🔍 Five Day Forecast for Illinois:
- Today (Fri): Scattered AM showers SE of I-55, partly cloudy elsewhere. Highs 74–82°F.
- Saturday: Mostly sunny. Highs 75–85°F, cooler near the lake.
- Sunday: Continued dry. Highs 82–87°F.
- Monday: PM shower/storm chance (20–30%). Highs 84–90°F. Humid.
- Tuesday: Humid with 40–60% chance of PM storms. Highs near 90°F.
- Wednesday: Severe storm risk (70–80%). Highs 83–86°F. Stay weather aware.
