National Weather Service Weather Forecast Office

After the extremely low rainfall that occurred over the spring and summer months, September has been unusually wet across much of central and southeast Illinois.  The image below shows rain that has occurred in the 30-day period ending on September 27.  Amounts of 5 inches or more are indicated in the light orange shades, with 10 inches (dark brown color) south of an Effingham to Lawrenceville line; the pink areas west of Olney have received in excess of a foot of rain during September!  In Clay County, rainfall totals in September include 14.37 inches near Clay City, and 14.20 inches at Flora. In Olney (Richland County), 9.63 inches has fallen in September.

The table below shows observed rainfall amounts for the last two months (as of September 27), for selected locations in central and southeast Illinois.  Amounts are in inches.