Weather
Iowa-Illinois Weather: Rain Chances Rise Halloween Weekend
Davenport, IA – Residents across the Quad Cities in eastern Iowa and western Illinois can expect an unusually mild stretch of late October weather this week, with afternoon temperatures climbing into
By Cameron Hayes · 2026-10-26T10:04:19.495Z
Davenport, IA – Residents across the Quad Cities in eastern Iowa and western Illinois can expect an unusually mild stretch of late October weather this week, with afternoon temperatures climbing into the mid 70s before showers and possible thunderstorms arrive Wednesday night. Rain chances could also affect Halloween weekend activities.
According to the National Weather Service Quad Cities forecast, Monday, October 26, will begin cloudy before gradually becoming mostly sunny, with a high near 71 degrees. East winds should remain around 5 mph.
Monday night will be mostly cloudy, with temperatures falling to approximately 50 degrees and east winds of 5 to 10 mph.
Tuesday, October 27, brings mostly cloudy skies and a high near 73 degrees. Winds will shift from the east toward the south during the afternoon.
Tuesday night remains mostly cloudy, with lows near 56 degrees.
Wednesday, October 28, brings temperatures near 75 degrees , continuing the mild weather pattern across Davenport, Bettendorf, Rock Island and Moline.
However, conditions become more unsettled Wednesday night, when the National Weather Service forecasts a 30% chance of showers and thunderstorms after 1 a.m. Temperatures should remain relatively mild, with lows around 58 degrees.
Thursday, October 29, could be the warmest day of the week, with partly sunny skies and highs near 76 degrees.
Another 30% chance of showers develops after 1 a.m. Thursday night, with lows near 55 degrees.
Friday, October 30, brings a 30% chance of showers before 1 p.m., followed by partly sunny skies and highs around 74 degrees.
Rain chances increase slightly heading into Halloween weekend.
Saturday, October 31, carries a 40% chance of showers, with mostly cloudy skies and highs near 72 degrees. Saturday night maintains a 40% rain chance, with temperatures falling to approximately 55 degrees.
Those planning trick or treating or other outdoor Halloween activities should prepare for possible rain interruptions.
Sunday, November 1, remains mostly cloudy, with a 30% chance of showers and highs near 71 degrees.
Residents throughout the Quad Cities should monitor updated National Weather Service forecasts as midweek thunderstorms and Halloween weekend approach.