Good morning. Michigan. I'm Aaron Jolly. Talk about weather whiplash. You're waking up to muggy air near 58 degrees, but don't get comfortable. A cold front is sweeping through right now, bringing thunderstorms and a 30-degree temperature crash by tonight. Down in Detroit and Ann Arbor, you're in the thick of it. Showers and thunderstorms roll through this morning, peaking around 11 A.M. With rain likely. Winds howl out of the southwest at 12 to 17 miles an hour, gusting to 32. Highs start at a balmy 66 degrees, but by 7 P.M., temperatures drop like a rock to 40. Tonight, clouds stick around. And lows actually creep back up to 42 after midnight. Sunday brings a reprieve with mostly sunny skies and highs in the mid-50s. Over in Grand Rapids and Kalamazoo, the cold front hits even harder. Thunderstorms are a near-certainty today, with rain before n ...