More thunderstorms, heavy rain possible Wednesday night

SHARE More thunderstorms, heavy rain possible Wednesday night
SHARE More thunderstorms, heavy rain possible Wednesday night

More thunderstorms Wednesday night could bring another round of heavy rain to the Chicago area, especially south of Interstate 80.

The storms are expected to develop over Iowa sometime Wednesday evening, and could move into northern Illinois and northwest Indiana late Wednesday or early Thursday, the National Weather Service said.

The strongest storms could produce extremely heavy rain, as much as 1 to 2 inches per hour at times, the weather service said. Flash flooding, damaging 60 mph winds and frequent lightning are also possible.

Areas south of I-80 may see the most severe weather from this upcoming round of thunderstorms, the weather service said.

The threat comes as communities continue to clean up the damage from Monday’s storms, which spawned nine tornadoes across northern Illinois.

Portions of the Iroquois, Kankakee and Illinois rivers are at flood stage already because of recent rains. A flash flood watch for the entire Chicago area continues through Thursday afternoon.

Rain will continue into Thursday morning, and thunderstorms are possible again late Sunday through Tuesday, the weather service said.

Otherwise, lows overnight Wednesday will drop to the low to mid-60s before highs in the 70s on Thursday.

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