There is a risk of flash flooding tonight over North Illinois as light winds and consistent rains may very well produce slow moving storm cells that could easily put down 1 inch or more.
Winds are expected to eventually calm down to the point that any storms that form would move very slowly in this environment. Adding to the risk of flooding is how much water may be in the air, with upwards of 1.5 inches of precipitable water possible.
Keep in mind that storms are isolated and there are indications that this may happen farther south. However, seeing as information from some NWS offices differ, I will keep this as is and watch for areas further south.
Winds are expected to eventually calm down to the point that any storms that form would move very slowly in this environment. Adding to the risk of flooding is how much water may be in the air, with upwards of 1.5 inches of precipitable water possible.
Keep in mind that storms are isolated and there are indications that this may happen farther south. However, seeing as information from some NWS offices differ, I will keep this as is and watch for areas further south.
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