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Fast Facts:

  • A major storm system impacted a large amount of the U.S., from heavy rain in the mid-Mississippi Valley to Great Lakes, heavy snow in Colorado, Kansas, and Nebraska, severe storms and tornadoes including in Texas, and gusty winds.
  • Multiple periods of moderate to heavy rain, at times occurring with thunder, fell across northern Illinois and northwest Indiana during the weekend of April 29-30.
  • Two-day rain totals of 1.50" to over 5" were observed across the entire area, with the heaviest of 3" to 5+" centered on the Illinois River Valley to Chicago during the afternoon and evening of April 29th.
  • The highest rainfall amounts were 5.42" in Minooka near the Grundy/Will County border, and in central LaSalle County including 5.34" in LaSalle, 4.90" near Ottawa, and 4.74" in Peru. 
  • Chicago (O'Hare) officially recorded 3.27" of rainfall.
  • The rainfall brought localized flooding in numerous locations as well as sharp rises on tributaries of the Illinois River and the Illinois River itself.
  • Gusty winds were observed on Saturday evening, April 29.  The highest gusts were between 40 and 55 mph.
Radar Loop
Radar Loop from Saturday, April 29 - Sunday April, 30
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