Marshall County, IA

Alerts

Watch Area

County Line

Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.

In effect from Thursday 06/11 2:15 AM CDT – Thursday 06/11 10:00 AM CDT

Issued by NWS Des Moines IA

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 310 IN EFFECT UNTIL 10 AM CDT THIS MORNING FOR THE FOLLOWING AREAS

Areas Impacted

Counties in Central Iowa

Boone
Dallas
Grundy
Hamilton
Hardin
Jasper
Marshall
Polk
Poweshiek
Story
Tama
Webster

Counties in Jasper

Hawk

Counties in Northeast Iowa

Iowa

Counties in South Central Iowa

Clarke
Decatur
Lucas
Madison
Mahaska
Marion
Monroe
Ringgold
Union
Warren
Wayne

Counties in Southeast Iowa

Davis
Wapello

Counties in Southwest Iowa

Adair
Adams
Cass
Taylor

Counties in West Central Iowa

Audubon
Calhoun
Carroll
Crawford
Greene
Guthrie
Sac

Counties in Diameter Possible.

Ies Of Ackley
Adair
Adel
Albia
Allerton
Ames
Atlantic
Audubon
Bayard
Bedford
Bloomfield
Boone
Carlisle
Carroll
Casey
Cedar Falls
Centerville
Chariton
Conrad
Corning
Corydon
Creston
Denison
Des Moines
Dike
Dysart
Earlham
Early
Eldora
Exira
Fontanelle
Fort Dodge
Gladbrook
Greenfield
Grinnell
Grundy Center
Guthrie Center
Humeston
Indianola
Iowa Falls
Jefferson
Knoxville
Lake City
Lake View
Lamoni
Lenox
Leon
Manson
Marshalltown
Mount Ayr
New Market
Newton
Norwalk
Odebolt
Osceola
Oskaloosa
Ottumwa
Panora
Pella
Perry
Pomeroy
Reinbeck
Rockwell City
Sac City
Schaller
Seymour
Stuart
Tama
Toledo
Traer
Wall Lake
Waterloo
Waukee
Webster City
Wellsburg
And Winterset.

Including these cities

Ackley
Adair
Adel
Albia
Allerton
Ames
Atlantic
Audubon
Bayard
Bedford
Bloomfield
Boone
Carlisle
Carroll
Casey
Cedar Falls
Centerville
Chariton
Conrad
Corning
Corydon
Creston
Denison
Des Moines
Dike
Dysart
Earlham
Early
Eldora
Exira
Fontanelle
Fort Dodge
Gladbrook
Greenfield
Grinnell
Grundy Center
Guthrie Center
Humeston
Indianola
Iowa Falls
Jefferson
Knoxville
Lake City
Lake View
Lamoni
Lenox
Leon
Manson
Marshalltown
Mount Ayr
New Market
Newton
Norwalk
Odebolt
Osceola
Oskaloosa
Ottumwa
Panora
Pella
Perry
Pomeroy
Reinbeck
Rockwell City
Sac City
Schaller
Seymour
Stuart
Tama
Toledo
Traer
Wall Lake
Waterloo
Waukee
Webster City
Wellsburg
Winterset

No alerts for Marshall County, IA, on Friday

No alerts for Marshall County, IA, on Saturday

No alerts for Marshall County, IA, on Sunday

No alerts for Marshall County, IA, on Monday

Briefing

Last updated:

Thursday, Jun 11, 2026, 5:06 AM

Download briefing [pdf]

From the Forecaster

Severe Thunderstorms This Morning

Created by the NWS Des Moines WFO

A line of storms will move across portions of the area this morning. Damaging straight line winds are the main hazard through much of the watch area. Large hail is also a primary hazard in southwest Iowa. A few tornadoes are possible. This is just the first round today. Additional storms are possible later this morning through the afternoon.

Des Moines Area Forecast Discussion

Seven-day Weather Risk Overview

The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.

	Thu 6/11	Fri 6/12	Sat 6/13	Sun 6/14	Mon 6/15	Tue 6/16	Wed 6/17
risk level	out of 10	out of 10	out of 10	out of 10	out of 10	out of 10	out of 10

No risk

Low risk

High risk

See the detailed risk analysis

Radar

Time shown:

dBz	Intensity
−35–0	Extremely light (drizzle/snow)
0–20	Very light precipitation or general clutter
20–40	Light precipitation
40–50	Moderate precipitation
50–65	Heavy precipitation or some hail
>65	Extremely heavy precipitation including water-coated hail

Explore other radar views

Weather Forecasting Office

Des Moines Forecast Office