Poweshiek County Emergency Management Agency

06/13/2026

Some strong storms are possible through around 3 pm today. Severe thunderstorms are possible after around 3 pm mainly south of US 20. All severe hazards are possible (damaging winds, large hail, heavy rain and an isolated tornado).

06/13/2026

Thunderstorms developing over Nebraska will move into Iowa this morning. Gusty winds and hail could occur with a few storms. Additional storms will develop this afternoon. Strong to severe storms are possible after 3 pm south of Interstate 80. Large hail, damaging winds and heavy rainfall are all possible along with an isolate tornado.

06/11/2026

[6/11 9:35AM] It's been a busy morning here, but storms aren't finished yet! We are watching for redevelopment of thunderstorms on the back side of the line that has since swept across central and southern Iowa. Continue to stay weather aware through the day!

06/11/2026

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
815 AM CDT Thu Jun 11 2026

The National Weather Service in Des Moines has issued a

* Tornado Warning for...
Southeastern Poweshiek County in central Iowa...
Northern Mahaska County in south central Iowa...

* Until 845 AM CDT.

* At 814 AM CDT, a severe thunderstorm capable of producing a tornado
was located near Oskaloosa, moving northeast at 65 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.

* This dangerous storm will be near...
Barnes City around 825 AM CDT.
Deep River around 830 AM CDT.

Other locations impacted by this tornadic thunderstorm include
University Park, Barnes City, Deep River, Rose Hill, Lake Keomah
State Park, Beacon, and Keomah Village.

This includes Interstate 80 near mile marker 199.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4151 9241 4134 9241 4125 9265 4140 9282
4170 9241 4160 9230 4151 9230
TIME...MOT...LOC 1314Z 230DEG 55KT 4135 9263

TORNADO...RADAR INDICATED
MAX HAIL SIZE...

06/11/2026

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
812 AM CDT Thu Jun 11 2026

The National Weather Service in Des Moines has issued a

* Severe Thunderstorm Warning for...
Eastern Monroe County in south central Iowa...
Southeastern Poweshiek County in central Iowa...
Wapello County in southeastern Iowa...
Mahaska County in south central Iowa...

* Until 900 AM CDT.

* At 810 AM CDT, severe thunderstorms were located along a line
extending from 5 miles south of Lynnville to near Beacon to
Moravia, moving east at 60 mph.

HAZARD...70 mph wind gusts and ping pong ball size hail.

SOURCE...Trained weather spotters.

IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
considerable tree damage. Wind damage is also likely to
mobile homes, roofs, and outbuildings.

* Locations impacted include...
Ottumwa, Oskaloosa, Albia, New Sharon, Eddyville, Ottumwa
Industrial Airport, Eldon, Fremont, Agency, Beacon, University
Park, Blakesburg, Barnes City, Rose Hill, Kirkville, Leighton,
Chillicothe, Keomah Village, Albia Municipal Airport, and Lake
Keomah State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a DANGEROUS SITUATION. These storms are producing wind
damage across south central Iowa. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows! A Tornado Watch remains in
effect until 300 PM CDT for south central, central and southeastern
Iowa.

&&

LAT...LON 4090 9286 4121 9276 4146 9287 4150 9287
4153 9230 4151 9230 4151 9241 4116 9241
4116 9218 4090 9218
TIME...MOT...LOC 1310Z 269DEG 52KT 4150 9282 4122 9269 4090 9281

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.50 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

06/11/2026

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
744 AM CDT Thu Jun 11 2026

The National Weather Service in Des Moines has issued a

* Severe Thunderstorm Warning for...
Western Poweshiek County in central Iowa...
Eastern Polk County in central Iowa...
Eastern Story County in central Iowa...
Southeastern Hardin County in central Iowa...
Marshall County in central Iowa...
Northern Marion County in south central Iowa...
Western Tama County in central Iowa...
Northwestern Mahaska County in south central Iowa...
Southwestern Grundy County in central Iowa...
Jasper County in central Iowa...

* Until 830 AM CDT.

* At 744 AM CDT, severe thunderstorms were located along a line
extending from near Story City to Swan, moving east at 60 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
Marshalltown, Newton, Grinnell, Nevada, Grundy Center,
Mitchellville, Colfax, Monroe, Prairie City, State Center, Conrad,
Baxter, Iowa Speedway, Meskwaki Casino, Rock Creek Lake, Gladbrook,
Le Grand, Maxwell, Colo, and Melbourne.

This includes Interstate 80 between mile markers 148 and 190.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until 300 PM CDT for central and
south central Iowa.

&&

LAT...LON 4150 9290 4142 9333 4149 9333 4148 9334
4148 9335 4221 9349 4221 9346 4222 9346
4246 9269 4150 9255
TIME...MOT...LOC 1244Z 259DEG 54KT 4219 9365 4145 9330

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

06/11/2026

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 311 UNTIL
3 PM CDT THIS AFTERNOON WHICH REPLACES A PORTION OF SEVERE
THUNDERSTORM WATCH 310. THE NEW WATCH IS VALID FOR THE FOLLOWING
AREAS

IN IOWA THE NEW WATCH INCLUDES 10 COUNTIES

IN CENTRAL IOWA

JASPER POWESHIEK

IN SOUTH CENTRAL IOWA

APPANOOSE LUCAS MAHASKA
MARION MONROE WAYNE

IN SOUTHEAST IOWA

DAVIS WAPELLO

THIS INCLUDES THE CITIES OF ALBIA, ALLERTON, BLOOMFIELD,
CENTERVILLE, CHARITON, CORYDON, GRINNELL, HUMESTON, KNOXVILLE,
NEWTON, OSKALOOSA, OTTUMWA, PELLA, AND SEYMOUR.

* PRIMARY THREATS INCLUDE...

A FEW TORNADOES AND A COUPLE INTENSE TORNADOES POSSIBLE.
WIDESPREAD DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT
GUSTS
TO 80 MPH POSSIBLE.
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE.

PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES : 50%
PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 30%
PROB OF 10 OR MORE SEVERE WIND EVENTS : 90%
PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 50%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 40%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 30%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : >95%
MEAN STORM MOTION /MPH/ : E 50

06/10/2026

06/06/2026

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
276 IN EFFECT UNTIL 3 AM CDT SATURDAY FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 20 COUNTIES

IN CENTRAL IOWA

JASPER POWESHIEK

IN SOUTH CENTRAL IOWA

APPANOOSE CLARKE DECATUR
LUCAS MADISON MAHASKA
MARION MONROE RINGGOLD
UNION WARREN WAYNE

IN SOUTHEAST IOWA

DAVIS WAPELLO

IN SOUTHWEST IOWA

ADAIR ADAMS CASS
TAYLOR

THIS INCLUDES THE CITIES OF ADAIR, ALBIA, ALLERTON, ATLANTIC,
BEDFORD, BLOOMFIELD, CARLISLE, CENTERVILLE, CHARITON, CORNING,
CORYDON, CRESTON, EARLHAM, FONTANELLE, GREENFIELD, GRINNELL,
HUMESTON, INDIANOLA, KNOXVILLE, LAMONI, LENOX, LEON, MOUNT AYR,
NEW MARKET, NEWTON, NORWALK, OSCEOLA, OSKALOOSA, OTTUMWA, PELLA,
SEYMOUR, STUART, AND WINTERSET.

* PRIMARY THREATS INCLUDE...

SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER POSSIBLE.
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE.
A TORNADO OR TWO POSSIBLE.

PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES : 20%
PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 10%
PROB OF 10 OR MORE SEVERE WIND EVENTS : 40%
PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 10%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 40%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 30%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 70%
MEAN STORM MOTION /MPH/ : E 30

05/19/2026

THE NATIONAL WEATHER SERVICE HAS EXTENDED TORNADO WATCH 225 TO
INCLUDE THE FOLLOWING AREAS UNTIL 10 PM CDT THIS EVENING

IN IOWA THIS WATCH INCLUDES 11 COUNTIES

IN CENTRAL IOWA

JASPER MARSHALL POLK
POWESHIEK TAMA

IN SOUTH CENTRAL IOWA

MADISON MAHASKA MARION
WARREN

IN SOUTHEAST IOWA

DAVIS WAPELLO

THIS INCLUDES THE CITIES OF BLOOMFIELD, CARLISLE, DES MOINES,
DYSART, EARLHAM, GLADBROOK, GRINNELL, INDIANOLA, KNOXVILLE,
MARSHALLTOWN, NEWTON, NORWALK, OSKALOOSA, OTTUMWA, PELLA, TAMA,
TOLEDO, TRAER, AND WINTERSET.

* PRIMARY THREATS INCLUDE...

A FEW TORNADOES AND A COUPLE INTENSE TORNADOES LIKELY.
WIDESPREAD DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80
MPH LIKELY.
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
INCHES IN DIAMETER LIKELY.