Des Moines, Iowa – Summer heat builds across Iowa on Sunday, but by Tuesday night, Des Moines could face strong thunderstorms and heavy rain.
According to the National Weather Service, a 90% chance of rain arrives Tuesday evening, with the possibility of thunderstorms and locally heavy downpours after 7 p.m. New rainfall amounts may exceed half an inch in some areas, especially near major roadways like I-235 and US-69. Drivers should plan for delays and potential ponding during the evening commute.
Sunday brings hazy sunshine and smoke in the air after 1 p.m., with highs near 86°F and light winds. Air quality may be impacted as wildfire smoke continues to drift from Canada. Monday turns hot, with highs near 90°F and gusts up to 23 mph. While most of the day will stay dry, unstable air begins to build into the region.
Thunderstorm risk increases significantly Tuesday, with storms likely in the evening and into the overnight hours. Showers may continue into early Wednesday, which will be cooler, with a high of just 75°F.
Here’s your extended five-day summer weather outlook:
- Sunday (June 1): Partly sunny, smoky skies after 1 p.m., high of 86°F.
- Monday: Mostly sunny, breezy, and hot. High near 90°F.
- Tuesday: Showers and possible storms after 7 p.m. High near 80°F.
- Wednesday: Mostly sunny with cooler air. High near 75°F.
- Thursday: Slight chance of showers. Partly sunny, high near 74°F.
