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Moke Impacts Hawaii; Severe Thunderstorms and Heavy Rainfall from the Great Basin to the Plains

Heavy rain and gusty winds from Tropical Storm Moke will impact the Big Island into Monday, risking life-threatening flooding and mudslides in windward and southeast areas. Severe thunderstorms are expected across the northern Rockies/Plains and northern Great Basin. Dangerous heat persists across the Southern Plains and Lower Mississippi Valley, building further into the Southwest by midweek. Read More >

Overview

Fast Facts:

  • Chicago O'Hare received 2.36" of rain on August 7th, most of that impressively falling within one hour during the mid-afternoon.  Visibility dropped as low as 1/4 mile at ORD, very rare to do with rain only!
  • This was the highest official calendar day rainfall at Chicago (ORD) since October 14, 2017 (4.19").
  • This was the highest August calendar day rainfall since August 4, 2014 (2.76").
  • This produced flash flooding in parts of northern Cook County, including the north side of the city of Chicago.
  • Based on reports from media, there were some water rescues due to stalled vehicles under viaducts.
Radar Loop
Radar loop from 10am - 8pm CDT August 7th, 2018.
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Additional recaps can be found on the NWS Chicago Past Events Page
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