Thunder storms and high winds are heading to Marshalltown this evening.

“All modes of severe weather are possible like large hail and damaging winds,” said Brook Hagenhoff, National Weather Service meteorologist. “There’s a window in there where we could see some tornado activity as well.”

A lot of the most severe weather is expected south of Interstate 80.

“Today we have a warm front that’s lifting into the state which is kind of the reason our severe storm is here, but quickly on its heels overnight we’re going to see a cold front coming from the northwest,” Hagenhoff said. “Temperatures are going to drop off fairly quickly. So by Friday we’re actually looking at wind chills across the state anywhere from the -5 degree range in northwest Iowa to the low teens across Central Iowa.”

The wind will blow in colder temperatures on Friday with a high of 34 degrees expected, from Thursday’s 54 degree high. Temperatures could drop as low as 21 degrees leading into the weekend.

Wind gusts could be as high as 40 mph with thunder likely over Thursday night.

More wind is expected Friday with gusts reaching as high as 39 mph.

“We see it a lot in the spring where we’re fluctuating as we transition seasons here,” Hagenhoff said. “Tomorrow will be much colder and a gradual warm up over the weekend.”

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Contact Thomas Nelson at (641)753-6611 or tnelson@timesrepublican.com