llinois Drought Update - 8/30/2007
Illinois State Water Survey, Department of Natural Resources
Precipitation deficits have increased across southern Illinois during August. The area has also been subject to very warm daytime temperatures, with maximum temperatures averaging above 95°F, or 8°F above normal. The combination of lack of precipitation and high temperatures has led to the intensification of drought to severe status as determined by the U.S. Drought Monitor. The impacts of the drought are agricultural currently, although continued dryness in the fall may lead to water resource impacts. The severe drought area in southern Illinois is on the northwestern edge of a much larger and more severe drought encompassing an area from the southern Ohio Valley to the Gulf of Mexico. Substantial temperature relief and scattered heavy precipitation occurred over the evening of August 29-30. The next five days are expected to be dry throughout and gradually warming, but there may be a return to a more active weather pattern with better chances of rain during the first week of September.