...Frost advisory in effect from 3 am to 7 am CDT Wednesday...
The National Weather Service in Chicago has issued a frost advisory...which is in effect from 3 am to 7 am CDT Wednesday.
* Temperatures...lows in the low to mid 30s...except in the upper 20s in the coldest valleys and low lying areas.
A frost advisory means that frost is possible. Sensitive outdoor plants may be killed if left uncovered.
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