Iowa–Illinois Weather: Calm Skies Before Frosty Weekend and Early Snow Chances Mid-November

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Davenport, IA – A cool stillness settles across the Mississippi Valley this morning as light fog clings to fields and rooftops glisten under the early chill. It’s quiet, crisp, and unmistakably late fall — the kind of morning that makes the coming season’s change feel close.

According to the National Weather Service in the Quad Cities, skies will stay mostly sunny today with highs near 57°F and light northwest winds. Lows dip into the upper 30s tonight under clear skies, setting the stage for patchy frost in rural areas. Friday and Saturday bring continued sunshine, though highs ease into the low 50s with chilly mornings in the mid-30s.

By Sunday, the pattern remains calm — a stretch of bright skies and dry air that’s ideal for outdoor cleanup or early decorating before temperatures rebound early next week. Highs may reach the lower 60s by Monday, though the warmth will be brief.

Long-range models are hinting at a colder mid-November shift, with the first snow chances of the season possible for Iowa and northern Illinois between November 10 and 20. A likely cold front from Canada could interact with Great Lakes moisture, bringing the region’s first rain-to-snow changeover before Thanksgiving.

Residents are encouraged to prepare for seasonal swings — check outdoor faucets, clear gutters, and ensure vehicles are winter-ready. For now, enjoy the calm before the chill: the Quad Cities’ first brush with early winter may not be far away.