Illinois–Iowa Weather Update: Temperatures Set to Run 15–20 Degrees Above Normal

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Quad Cities, Iowa/Illinois – A significant warm-up is shaping up for the Quad Cities and much of eastern Iowa and western Illinois next week, offering a noticeable break from early January cold and pushing temperatures well above seasonal averages.

According to the National Weather Service Quad Cities office, there is an 80 to 90 percent chance that temperatures will run above normal during the first full week of January. Highs could climb as much as 15 to 20 degrees above average, with many locations warming into the 40s and even low 50s area-wide by mid to late week.

For context, normal high temperatures for early January typically sit in the mid 20s to lower 30s, with overnight lows in the low to mid teens. The upcoming pattern represents a strong departure from typical winter conditions and signals a broader shift affecting much of the central and eastern United States.

The milder air will likely improve travel conditions by reducing snow and ice coverage on roads, though any remaining snowpack could lead to wet or slushy areas during the warmest afternoons. Residents should also be mindful of melting and refreezing during cooler nights early in the week.

Forecasters note that this warm pattern looks persistent into next weekend, though details on rain chances or timing of any systems will be refined in coming updates. Additional outlooks are expected as confidence increases in how long the above-normal temperatures will last.