Storms fire up ahead of the intense heat wave

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ROCKFORD (WREX) – A couple rounds of rainfall are likely tonight, but don’t expect the rain to help cool us off. A dangerous heat wave is still expected at the end of the work week.

A second round of rain arrives around sunrise Thursday. This round is coming from another complex of storms that will brew up over Iowa and Minnesota tonight, then dives south toward us in the morning. This complex may be stronger, so heavy rain, strong winds, and hail may be possible. Torrential rainfall is possible west of Freeport, and could lead to areas of flash flooding. A Flash Flood Watch is in effect for Stephenson through 10 AM Thursday to highlight the potential for heavy rain and dangerous flooding. Remember- turn around, don’t drown. Do not drive through any flooded roads.

Any thunderstorms locally should clear our area before the middle of the morning.

Once the storms clear, the intense heat builds in quickly. Highs reach the low 90’s Thursday, and the upper 90’s are coming Friday. The humidity climbs even higher these next two days, so the heat index will be between 105 and 110 during the afternoons.

An Excessive Heat Warning will be in effect for Ogle, Lee, and Stephenson counties to warn about the dangerous heat between Thursday afternoon and Saturday night. A Heat Advisory will be in effect for Winnebago and Boone counties for Thursday afternoon through Friday night. In either case, avoid the heat as much as possible, find a cool spot to stay in, and drink plenty of water. The body doesn’t get much relief from the heat even at night in these conditions, which is why this kind of heat can be dangerous.

Cooler conditions start moving in between the weekend and next week. Some storms are possible Sunday as the cooler air arrives.

Alex Kirchner

Alex Kirchner

Chief Meteorologist

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Alex Kirchner

Alex Kirchner

Alex Kirchner is the 13 Weather Authority's chief meteorologist at 5, 6 and 10 p.m. 

Tommie Owens

Tommie Owens

Tommie Owens is the meteorologist for 13 News Weekend.

Justin Ballard

Justin Ballard

Justin Ballard is the meteorologist for 13 News Today and 13 News at Noon.

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