Iowa Forecast Update: Thunderstorm Risk Could Soak Des Moines This Weekend — 50% Rain Chance Saturday Night

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Des Moines, Iowa – Hot, sunny skies will dominate central Iowa Thursday and Friday, but storm chances return just in time for weekend plans.

According to the National Weather Service in Des Moines, a few isolated storms could spark across northeast and east-central Iowa by Thursday afternoon. While Independence Day (Friday) looks dry and sunny for most, the pattern shifts quickly Friday night as a cold front inches eastward.

Expect the first round of scattered showers to develop after 1 a.m. early Saturday. Rain chances climb to 60% by Saturday night, with thunderstorms possible. Localized downpours could cause ponding on roadways like I-235 in Des Moines and Highway 69. Sunday holds a continued threat of storms, especially during the afternoon.

If you’re traveling or hosting outdoor events, keep a close eye on changing conditions. Charge your devices in advance, and delay travel during heavy rain windows. Storms may linger into Sunday night, tapering by Monday morning.

Spotter activation may be needed in northern Iowa Thursday evening, but broader impacts will hold off until late Friday.

More alerts could be issued as the system develops — stay weather-aware through the weekend.


📅 Five-Day Forecast for Des Moines (July 4–9):

  • Friday (July 4): Sunny, high near 92°F. Breezy south winds gusting up to 21 mph.
  • Saturday: 40% chance of storms after 1 a.m., increasing to 60% by night. High: 88°F
  • Sunday: 50% chance of thunderstorms. Mostly sunny early. High: 85°F
  • Monday: Mostly sunny, dry. High: 87°F
  • Tuesday: 30% chance of storms by afternoon. High: 85°F

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