Weather
Iowa Severe Storms: Main Threat 4-10 PM Monday
Des Moines, Iowa – Two storm rounds could hit Iowa Monday, with the main severe thre…
By Lauren Beckett · 2026-09-13T22:16:51.505Z
Des Moines, Iowa – Two storm rounds could hit Iowa Monday, with the main severe threat from 4 to 10 p.m. across western and central parts of the state.
According to the National Weather Service in Des Moines, widespread storms are expected Monday. One round will move through during the morning with a low severe weather threat, followed by another from late afternoon into the evening.
The Weather Service places parts of western and central Iowa under a Level 2 of 5, or slight, severe weather risk. That area includes communities around Sioux City, Council Bluffs, Storm Lake, Fort Dodge, Carroll and Atlantic. Des Moines sits near the eastern edge of the higher risk area.
Damaging winds, large hail and heavy rain are the primary threats. Urban and street flooding could also develop. Tornadoes are a secondary concern, but the Weather Service said that threat depends on how quickly morning storms leave the area.
Heavy rain could become particularly problematic where thunderstorms repeatedly move across the same locations. The Weather Service said those repeated storms could produce flash flooding.
Travelers should remain alert to changing conditions during both the morning and evening commutes. Heavy rainfall can quickly reduce visibility and leave water over streets, while severe thunderstorms can make outdoor activities hazardous.
Residents with Monday afternoon or evening plans should monitor weather conditions and have multiple ways to receive warnings. The Weather Service recommends having access to indoor shelter if storms become severe.
The most significant severe weather window runs from 4 to 10 p.m. Monday, with western and central Iowa facing the greatest threat. Storm evolution during the morning will help determine the tornado risk for the afternoon and evening.