Quad Cities, IL – Residents across northwest Illinois are preparing for a hot and humid weekend as forecasters warn of rising heat index values and a small chance of storms.
According to the US National Weather Service Quad Cities office, there is a 20–30% chance of showers and thunderstorms Saturday morning moving south across portions of northwest Illinois. A few of these storms could bring hail and gusty winds.
Forecasters said temperatures will climb into the mid-80s in northeastern Illinois and the mid-90s in the southwest Saturday, with heat index readings reaching between 95 and 100 degrees.
The heat continues into Sunday, when highs will range from the upper 80s to the mid-90s. The heat index is expected to push into the upper 90s. Hot weather is forecast to last into early next week, creating potentially dangerous conditions for outdoor activities.
The National Weather Service advises residents to stay hydrated, limit time outdoors during peak afternoon hours, and check on vulnerable neighbors and family members. Those attending outdoor events or working outside should take frequent breaks and watch for signs of heat-related illness.
This article was produced by a journalist and may include AI-assisted input. All content is reviewed for accuracy and fairness.
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