Sunday
Patchy fog
High:
91°F
Patchy fog before 8am. Otherwise, partly sunny, with a high near 91. Heat index values as high as 100. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Naperville, IL Weather - Tomorrow’s Forecast
Sunday Night
Chance of thunderstorms
Overnight low:
74°F
A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 74. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.