Weather
Quad Cities, IL Weather: Halloween Showers Possible October 30-31
Moline, IL – Residents across the Quad Cities and surrounding eastern Iowa and western Illinois communities could face increasing showers and thunderstorms heading into Halloween weekend, with rain ch
By Erin Vale · 2026-10-28T10:31:30.794Z
Moline, IL – Residents across the Quad Cities and surrounding eastern Iowa and western Illinois communities could face increasing showers and thunderstorms heading into Halloween weekend, with rain chances climbing as high as 80% Friday, October 30.
According to the National Weather Service Quad Cities office, mild fall weather will continue through the weekend, although several opportunities for rainfall are expected beginning Wednesday night.
Wednesday, October 28, will bring mostly sunny skies after a few morning clouds and possibly a light shower.
Afternoon temperatures are expected to climb between 73 and 77 degrees, accompanied by breezy conditions.
However, scattered showers and thunderstorms could develop Wednesday night, with precipitation chances ranging from 30% to 60%.
Overnight temperatures will remain relatively mild, falling between 54 and 60 degrees.
Thursday, October 29, will provide another mainly dry day, with partly cloudy skies and afternoon highs between 66 and 75 degrees.
Thursday night temperatures will drop into the 40s and near 50 degrees.
Friday, October 30, brings the highest rain chances of the forecast period , with a 50% to 80% probability of showers and thunderstorms across the region.
Friday afternoon highs are expected to range from 59 to 70 degrees, bringing somewhat cooler conditions than earlier in the week.
Additional showers and thunderstorms remain possible Friday night, with rain chances between 40% and 60%.
For Halloween on Saturday, October 31, scattered showers and thunderstorms could continue, with precipitation probabilities ranging from 40% to 60%.
Saturday temperatures are expected to reach 64 to 69 degrees, while nighttime lows fall between 49 and 53 degrees.
Rain chances decrease slightly Saturday night to 30% to 40%.
Families planning Halloween celebrations in Davenport, Bettendorf, Moline, Rock Island and surrounding communities should monitor updated forecasts.
Despite multiple opportunities for rain, the National Weather Service expects mostly light rainfall amounts through the weekend.
The forecast does not indicate that Halloween will be a complete washout.