Iowa–Illinois Weather: Fall Warmup Peaks Thursday Before Weekend Cooldown

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DAVENPORT, Iowa – The Midwest wakes to calm skies and crisp air Wednesday morning, but a swift swing toward milder air is already underway. Sunshine will dominate Thursday, sending highs into the upper 50s and near 60 before another cold front brings gusty winds and a weekend cooldown. Travelers heading toward I-80 or U.S. 61 should prepare for changing road conditions by late Friday as breezes shift south to northwest and temperatures tumble again.

According to the National Weather Service in the Quad Cities, Thursday’s warmth will be short-lived. Winds could gust up to 25 mph ahead of the front, followed by a sharp chill returning Friday night. Highs near 70 Saturday will feel briefly springlike before readings fall back into the 40s and low 50s by early next week.

The air behind the front will stay dry, but models hint at a pattern change by Monday and Tuesday that could bring light rain and possibly a wintry mix north of I-80 as colder air deepens. No advisories are posted yet, but the first hints of early winter moisture are worth monitoring.

Residents are urged to take advantage of Thursday’s mild stretch for outdoor cleanup or early holiday decorating before temperatures turn brisk again. Keep phones charged and vehicles fueled, as sporadic communication disruptions from the recent G4 solar storm may persist through today.

After all, November in the Upper Midwest rarely stays quiet for long—this week’s roller-coaster temperatures may be a preview of a colder turn before Thanksgiving travel ramps up.


Five-Day Forecast for Davenport, IA:
Thu: 59/41 – Mostly sunny, breezy; gusts to 25 mph.
Fri: 68/53 – Sunny, turning cooler by night; brisk northwest wind.
Sat: 71/39 – Partly sunny, mild afternoon.
Sun: 54/32 – Mostly clear, chilly breeze.
Mon: 48/34 – Mostly cloudy; 30% chance of rain, cooler trend begins.