Strong to Severe Storm Risk Tonight

July 19, 2017: Strong to severe thunderstorms are possible tonight, with storms likely arriving by 10 pm in the Stateline tonight.

Radar image around 6 PM Wednesday

Storms will move out of Minnesota and follow the warm front into Iowa and Illinois, directing them right into our area.

A Severe Thunderstorm Watch has been issued for northern Illinois and southern Wisconsin until midnight tonight. This means severe weather is possible, if not likely, in the areas highlighted.

The main risks overnight include damaging wind gusts up to 80 mph. Large hail, heavy rainfall, and tornadoes cannot be ruled out.

Futuretrack radar for 10 pm Wednesday

The storms are moving pretty fast, and are likely to be in Rockford by 10 pm tonight. Get ready this evening by parking your car in the garage, and moving any loose times like patio furniture indoors. Have your weather radio and weather app on and handy to stay alert. You can download the 13 Weather Authority app for free to get alerts in case of severe weather. We’ll be posting updates on-air and online throughout the evening as these storms work in.

-Alex

 

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This post was written by Alex Kirchner on July 19, 2017

Avoid the heat, but not the storms

July 17, 2017: The heat gets cranked back up again this week, but not to the point where we have very hot and humid conditions on the way. We can thank an active pattern full of chances for storms for keeping us cooler. The rain and clouds should help keep temperatures down, but the humidity will be high regardless of the storms or not.

We will be right on the edge of a “heat dome”, or an expansive area of upper level high pressure that will cook a good portion of the West. Some spots in central and southern Illinois will feel its effects, with heat index values over 100° for a few days in a row.

Because we’ll be on the edge of the dome, storms will spark up and be fed by the hot and humid conditions trying to enter our area. We may get a few rounds of strong or even severe weather or heavy rainfall, but the frequent storms keep the temperatures down. If they track farther to the north or the boundary of the heat dome pushes further towards us, we may see those hot conditions this week. For now, the forecast in our area keeps us a little cooler but stormy.

The most likely times for storms are listed below. Remember, this isn’t a guarantee that storms will track through exactly during those periods, but you get a sense as to when storms may arrive:

Saturday could also feature a few storms during the day, especially during the morning. By Sunday and Monday, the weather cools off and looks to be more comfortable too with less humidity.

-Alex

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This post was written by Alex Kirchner on July 17, 2017