Davenport, Iowa – Dangerous heat is set to return to eastern Iowa on Friday, July 25, as storms develop across the region and continue into the weekend, bringing high heat and the risk of severe weather.
Weather Details for Friday, July 25
According to the National Weather Service in the Quad Cities, the heat index could approach 100°F by mid-afternoon, creating oppressive humidity across the region. Thunderstorms are expected to develop after 1 p.m., bringing:
Gusty winds
Locally heavy rainfall, potentially exceeding 0.5 inch
Possible localized flooding, especially along I-80, including Davenport, Muscatine, and Iowa City.
Davenport and surrounding areas could experience multiple rounds of storms through the evening, with rainfall totals potentially adding up to half an inch or more in certain locations.
Heat Advisory in Effect
A Heat Advisory remains in effect until 7 p.m. Thursday, with dangerously high temperatures expected to persist through Friday. The heat index will be high, making it feel much hotter than the actual air temperature. Residents are urged to:
Drink plenty of water to stay hydrated.
Avoid strenuous outdoor activity during the hottest parts of the day.
Check on elderly neighbors to ensure they stay cool and safe.
Storm Timing and Impacts
Friday, July 25: Showers likely by 7 a.m., with thunderstorms developing after 1 p.m. High near 86°F. Rainfall may exceed 0.5 inch in some areas.
Friday Night: Storms will continue through the night, with lows in the lower 70s. Be aware of localized flooding.
Looking Ahead – Five Day Forecast (July 25–30)
Saturday, July 26: Chance of storms in the morning. High near 88°F.
Sunday, July 27: Mostly sunny and hot, with highs near 92°F.
Monday, July 28: Sunny and continued heat, highs in the mid-90s.
Tuesday, July 29: Slight cooldown with highs in the upper 80s and partly cloudy skies.
Wednesday, July 30: Scattered showers possible. High near 83°F.
Friday, July 25, will bring dangerous heat and severe thunderstorms to the I-80 corridor in Iowa, including Davenport, Muscatine, and Iowa City. Heavy rainfall and gusty winds could lead to localized flooding. Residents are advised to stay hydrated, limit outdoor activity, and prepare for stormy conditions throughout the day and night. Keep up with the latest updates as storms taper off on Saturday, but the heat will continue into the weekend.
