National Weather Service United States Department of Commerce

Cold Front Dropping South Across the Western U.S.; Watching Threat for Tornadoes and Flooding in the South

A cold front will push south across the Western U.S. into Tuesday with mountain snow and areas of gusty to high winds. An area of low pressure will form along this front on Tuesday and bring a potential for severe thunderstorms with tornadoes and excessive rainfall in the lower to mid Mississippi River Valley. To the north, heavy snow is possible in parts of the upper Midwest. Read More >

Overview

Fast Facts:

  • From roughly 8 am to 1 pm on Thursday, August 12th, approximately 4 to 10 inches (isolated points nearing 10-12 inches) of rain fell across parts of southern Ford County. 
  • This was in addition to 0.5 to 1 inches of rain that fell from overnight thunderstorms in the area, which resulted in daily rainfall totals of 5 to 13 inches across much of southwestern Ford County.
  • This extremely heavy rainfall resulted in significant flash flooding near Gibson City and Elliott where all major highways in the area became impassable, numerous homes and business were inundated, and several water rescues were required.  
  • A Flash Flood Warning was initially issued at 9:59 a.m. and was subsequently upgraded to indicate a "considerable" flash flood threat at 10:57 a.m. 

For detailed information about this event, see Analysis of the August 12, 2021, Flash flood in and near Gibson City, IL, a NWS Technical Paper detailing the rainfall, flooding, and impacts.

Image
Event summary information
nws logo Media use of NWS Web News Stories is encouraged!
Please acknowledge the NWS as the source of any news information accessed from this site.


Additional recaps can be found on the NWS Chicago Past Events Page
nws logo