Iowa–Illinois Weather Alert: Midweek Showers Follow Warm Columbus Day Sunshine

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Davenport, IA – A warm and sunny Columbus Day kicks off the week across the Quad Cities, but residents should prepare for midweek changes. The National Weather Service reports that temperatures will remain above normal through Tuesday before a round of light showers moves in by Wednesday.

According to forecasters, Moline and Davenport will see highs near 77°F today and around 71°F Tuesday under partly sunny skies. Winds will turn from the southeast to the north, signaling a gradual cooldown. Showers may begin Tuesday night into Wednesday, with a 30% chance of rain and slightly cooler highs in the lower 70s. Motorists traveling on I-74 or I-80 should expect slick spots and reduced visibility during peak morning hours Wednesday.

Thursday and Friday will bring mostly sunny skies again, with highs in the upper 70s to near 80°F—ideal for outdoor plans, pumpkin patch trips, or fall leaf viewing. However, another round of showers could arrive late Friday into Saturday, followed by cooler weekend temperatures in the mid-60s.

Residents planning early Halloween decorations or yard cleanups should take advantage of the drier, mild days early in the week. Keep umbrellas handy midweek and prepare for a mild but unsettled end to the week across eastern Iowa and western Illinois.

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