Iowa Weather Alert Expect Storms Then Record-Breaking Weekend Heat

Tue, Jun 17

82°66°

Humid; a morning shower, then showers and a heavier thunderstorm; storms can bring flooding downpours, hail, damaging wind gusts, and an isolated tornado

Today

79°63°

Mostly cloudy and humid with periods of rain and a thunderstorm, then a leftover shower

Thursday

90°71°

Warmer with abundant sunshine

Friday

92°78°

Mostly sunny, becoming windier and humid

Saturday

98°76°

Windy and hot with blazing sunshine; danger of dehydration and heatstroke if outside for extended periods of time

Sunday

95°76°

Windy and hot with the temperature approaching the record of 37 set in 1988 with sizzling sunshine

Monday

95°74°

Breezy and hot with plenty of sun

Hold on tight, Iowans—this week delivers a high-impact weather swing, starting with a stormy midweek and finishing strong with a scorching weekend.

🌩️ Early-Week Storm Watch

Tuesday brings a moist, stormy start with foggy mornings giving way to scattered thunderstorms by afternoon. These storms could be severe—expect heavy rainfall, hail, damaging winds, and an isolated tornado threat as a system sweeps across the state.Flash flooding is a concern, especially in central and southern Iowa, with rainfall totals possibly reaching 2–3 inches overnight. Wednesday continues the unsettled pattern with persistent showers and storms. Though the system will weaken, pockets of heavy rain will remain—keep an eye out, especially during the late morning and early afternoon.

☀️ Heatwave Incoming

Thursday marks a major pivot—sunshine returns and temperatures climb into the low 90s°F. Prepare to crank up the AC as high heat and rising humidity will set the stage for a major weekend heat wave .

By Friday, gusty winds may develop ahead of a strong heat dome, with highs nearing 95°F. The real sizzle hits Saturday and Sunday, with daytime highs nearing 98°F, heat-index values in the triple digits, and record-breaking potential in the air. Monday continues hot and breezy, bringing respite from storms but keeping temperatures elevated.