Weather
Western Illinois Weather Oct 13-14: Severe Storms, Large Hail Possible Overnight
Davenport, IA – Residents across eastern Iowa and western Illinois should prepare for potentially severe thunderstorms Tuesday night, Oct. 13, as forecasters warn that some storms could produce large
By Owen Prescott · 2026-10-13T21:01:53.853Z
Davenport, IA – Residents across eastern Iowa and western Illinois should prepare for potentially severe thunderstorms Tuesday night, Oct. 13, as forecasters warn that some storms could produce large hail, damaging winds and frequent lightning through early Wednesday morning.
According to the National Weather Service in the Quad Cities, a Level 1 out of 5 severe thunderstorm risk remains in place across nearly the entire forecast area, with the greatest concern between 7 p.m. Tuesday and 2 a.m. Wednesday, Oct. 14.
Where Severe Storms Are Most Likely
Forecasters identify southeastern Iowa, far northeastern Missouri and west central Illinois as the areas most likely to experience isolated severe thunderstorms.
Communities across the broader Quad Cities region, including Davenport and Bettendorf, Iowa, and Rock Island and Moline, Illinois, could experience showers and thunderstorms overnight.
The primary severe weather concerns include large hail and damaging winds, although not every community will experience severe conditions.
Rain chances range from 40% to 80% Tuesday night, with overnight temperatures generally falling into the 50s and lower 60s.
Additional Storms Expected Wednesday and Thursday
Another round of showers and thunderstorms is possible Wednesday morning, particularly south of a line extending from Fairfield, Iowa, to Princeton, Illinois.
Wednesday's rain chances range from 30% to 60%, with afternoon highs reaching 65 to 70 degrees.
By Thursday, Oct. 15, showers and thunderstorms become likely across the region, with rain chances increasing to 80% to 100%.
Cooler Weather Arrives Friday
Following the midweek storms, temperatures will drop noticeably Friday.
Highs are forecast between 54 and 59 degrees, with northwest winds of 10 to 20 mph and gusts reaching 35 mph.
Residents should secure loose outdoor items, remain alert for changing conditions and have multiple ways to receive weather warnings overnight.
The Weather Service advises everyone to move indoors when thunder is heard.