Iroquois County, IL

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From the Forecaster

Periods of Storms Possible Through Monday Evening

Created by the NWS Chicago WFO

There remains a potential for multiple rounds of storms to affect the area late tonight into Monday morning and again late Monday afternoon and evening. Storm coverage remains uncertain, and some areas may not see storms at all. Wherever storms do occur, severe weather will be possible with damaging winds as the primary threat.

Headline: Periods of Storms Possible Through Monday. Sub Headline: Storm coverage remains uncertain, but severe weather will be possible wherever storms occur. What To Expect: Multiple Potential Rounds of Thunderstorms. Main Storm Time Windows: Window #1: 3 AM - 12 PM CDT Mon. Window #2: 6 PM Mon. - 12 AM Tue. Hazards from Strongest Thunderstorms: Damaging Winds – Capable of downing trees. Damaging Hail – Capable of denting cars and siding. Localized Flash Flooding. Hazards From All Thunderstorms: Lightning Strikes. Torrential Rainfall. Gusty Winds. What To Do: Have multiple ways to get weather warnings. Stay tuned for the latest forecast updates. Graphic Created: Sunday, July 26, 2026 2:10 PM CDT
Chicago Area Forecast Discussion

Seven-day Weather Risk Overview

The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.
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