Davenport, Iowa – Bright sunshine is lighting up the Mississippi River this Sunday morning, but a much different scene is expected by afternoon as thickening clouds signal the arrival of a widespread rain event across the Quad Cities.
Residents across eastern Iowa and western Illinois have a narrow window to prepare before showers and thunderstorms spread into the region. Roads that start dry today could become slick by midday, with heavier rainfall developing through the afternoon and evening.
According to the National Weather Service Quad Cities office, rain chances climb to 100 percent Sunday. Widespread rainfall totals between 1 and 2 inches are expected, with locally higher amounts possible. Forecasters also note a Level 3 of 4 excessive rainfall risk across parts of the region south of Interstate 80, while damaging wind remains the primary severe weather concern in stronger storms.
The broader Midwest pattern supports that threat. Meteorologists are tracking a storm system lifting moisture northward into the Heartland. That setup is expected to produce areas of heavy rain and scattered thunderstorms from Iowa into Illinois through Sunday evening.
Travelers along Interstate 80, Interstate 74, U.S. Highway 61, and Interstate 280 should plan extra time. Ponding water may develop quickly in low-lying areas, especially where repeated downpours occur. Wet pavement and reduced visibility could create difficult driving conditions during the busiest afternoon travel hours.
Flooding remains an ongoing concern near the Wapsipinicon River. A Flood Warning continues near DeWitt, where river levels remain above flood stage. Water is affecting areas near old U.S. Highway 61, and officials continue urging drivers not to bypass barricades.
Conditions improve Monday as sunshine returns and temperatures recover into the upper 70s. Tuesday and Wednesday remain pleasant, with highs near 79 degrees before additional storm chances return later next week. Longer-range outlooks continue to favor warmer-than-normal temperatures across the Midwest heading into the final week of June.
Five Day Forecast for Davenport, Iowa
Thursday: Mostly sunny, high 79°F.
Sunday: Heavy rain and thunderstorms, high 69°F.
Monday: Mostly sunny, high 77°F.
Tuesday: Sunny, high 79°F.
Wednesday: Mostly sunny, high 79°F.
