The twisters were reported in Callaway County, St. Charles County, and Pike County.
18 people rescued, 30 others evacuated due to rising Yadkin Creek
Nearly eight inches fell in parts of central Illinois.
National Weather Service observers are checking their gauges, as the remnants of Hurricane Isaac push eastward from Missouri.
The drought is starting to take a toll, not only on agricultural water wells, but privately owned ones too.
The average precipitation in Illinois during November was 5.23 inches