Weather
Iowa-Illinois Halloween Forecast Oct 31: Heavy Rain Before Dry Trick-or-Treating
Moline, IL – Halloween weekend across northwestern Illinois and eastern Iowa could begin with widespread rain Friday night, October 30, before conditions improve in time for Saturday evening trick or
By Audrey Sloan · 2026-10-29T10:09:51.217Z
Moline, IL – Halloween weekend across northwestern Illinois and eastern Iowa could begin with widespread rain Friday night, October 30, before conditions improve in time for Saturday evening trick or treating.
According to the National Weather Service Quad Cities office, rain chances will increase Friday, with showers and thunderstorms becoming widespread overnight and continuing into Saturday morning. Forecasters estimate an 80% chance of precipitation Friday night.
Friday Night Brings Widespread Rain
Thursday, October 29, will remain dry across the region, with decreasing cloud cover during the afternoon and high temperatures ranging from 64 to 72 degrees.
Friday will turn cloudier and cooler, with highs between 58 and 66 degrees.
Rain chances during the day range from 30% to 40%, before increasing significantly Friday night as showers and thunderstorms become more widespread.
The wettest period is expected from Friday night into Saturday morning, potentially affecting late night travel and early Halloween activities.
Halloween Trick or Treating Forecast Looks Favorable
Saturday, October 31, will remain cloudy, with temperatures reaching 62 to 68 degrees.
Rain is expected to end during the afternoon, allowing conditions to improve ahead of traditional evening trick or treating hours.
The Weather Service specifically noted that Halloween evening appears dry across the forecast area.
Families planning outdoor celebrations should still monitor updated forecasts, particularly if attending events earlier Saturday.
Sunday Brings a Brief Dry Break
Sunday, November 1, is expected to bring a temporary break from rain, with partly sunny conditions and highs ranging from 67 to 71 degrees.
However, additional rain chances could return during the following week.
The forecast suggests residents should prepare for a wet start to Halloween weekend while keeping evening plans in place as conditions improve Saturday.