Sunday
Patchy fog
High:
90°F
Patchy fog before 7am. Otherwise, partly sunny, with a high near 90. Heat index values as high as 102. Calm wind becoming southwest around 6 mph in the morning.
Decatur, IL Weather - Tomorrow’s Forecast
Sunday Night
Partly cloudy
Overnight low:
75°F
Partly cloudy, with a low around 75. South southwest wind around 6 mph.