Iowa Fall Weather Outlook: Wet Start to the Week, Clear Skies and Warmer Temps by Thursday, September 25

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Des Moines, Iowa – Iowa drivers may face slick spots on I-35 and local highways Tuesday as scattered showers continue through this evening. The wet weather could cause brief delays during the morning and evening commute before drier conditions arrive midweek.

According to the National Weather Service in Des Moines, showers will remain possible through Tuesday night with rainfall amounts under a tenth of an inch. While the severe weather risk stays low, drivers should allow extra time for reduced visibility and wet pavement during peak travel.

By Wednesday, conditions improve quickly. Sunshine returns with highs in the mid-70s and calmer north winds. Thursday will bring even warmer weather, topping out near 78 degrees under clear skies — a trend that continues through the weekend.

The first week of fall looks seasonably warm, with highs climbing into the lower 80s Friday and Saturday. Clear skies and mild evenings will make outdoor events ideal, though cooler mornings in the 50s hint at the early arrival of autumn. No hazardous weather is expected past Tuesday.

Travelers heading south across Iowa should prepare for lingering showers today but can look forward to several dry, sunny days starting Wednesday. Emergency managers note no activation of weather spotters is required.

The next update from the National Weather Service will highlight any changes in rainfall timing or early-season temperature drops as fall deepens.

Five Day Forecast for Des Moines, Iowa:

  • Tuesday: Showers possible, high near 75.
  • Wednesday: Mostly sunny, high 74, low 54.
  • Thursday: Sunny, high 78, low 56.
  • Friday: Sunny, high 83, low 59.
  • Saturday: Sunny, high 82, low 57.

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