National Weather Service United States Department of Commerce

Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. Read More >

Overview

  • Wind gusts of 50 to 64 mph were observed across northern Illinois and northwest Indiana. 
  • The peak wind gust at Chicago O'Hare was 60 mph.
  • These winds were a result of a powerful, strengthening low pressure system that moved across the region.
 
Sea Level Pressure
Hourly time steps of the strong surface low pressure as it deepened rapidly from the Plains to the Great Lakes from midday on the 23rd through midday on the 24th.

 

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

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