Enjoy today's sunny sky and pleasant temperatures. Those conditions won't last because Chicago's weather pattern is set to be stormy by mid-week.
Two distinct weather systems will be surging across the Midwest in upcoming days. The first arrives with showers and thunderstorms late Tuesday and continues into early Thursday.
Total rain accumulations could exceed 1.5 inches. A second system arrives late Thursday and brings another round of showers and thunderstorms from late Thursday through Friday into Saturday.
The impact of a cold lake
Away from the shore, Lake Michigan water temperatures are now running from 48 degrees to 54 degrees. That's why air blowing off the lake is so chilly at this time of the year. On sunny days with east winds, lake-cooled air warms as it moves inland, typically moderating 10 to 15 degrees by the time it arrives at the Fox Valley. On cloudy days, the moderation is less than
5 degrees.
Two distinct weather systems will be surging across the Midwest in upcoming days. The first arrives with showers and thunderstorms late Tuesday and continues into early Thursday.
Total rain accumulations could exceed 1.5 inches. A second system arrives late Thursday and brings another round of showers and thunderstorms from late Thursday through Friday into Saturday.
The impact of a cold lake
Away from the shore, Lake Michigan water temperatures are now running from 48 degrees to 54 degrees. That's why air blowing off the lake is so chilly at this time of the year. On sunny days with east winds, lake-cooled air warms as it moves inland, typically moderating 10 to 15 degrees by the time it arrives at the Fox Valley. On cloudy days, the moderation is less than
5 degrees.
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