National Weather Service United States Department of Commerce

Wet Travel Conditions for the East; Snow and Wind for the Pacific Northwest and Rockies

A storm lifting northward toward the Great Lakes will bring periods of rain and gusty winds for the eastern third of the country today. For the Pacific Northwest and northern Rockies, accumulating snow and strong winds will make for hazardous traveling conditions through tonight. A stronger storm is forecast early in the week with the threat of severe thunderstorms for the Mississippi Valley. Read More >


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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