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Home Return to list Tornado Warning 0050 Issued by the Des Moines Forecast Office
Action: New Issued At: 2026-05-18 19:40:02
640
WFUS53 KDMX 190039
TORDMX
IAC099-125-153-181-190130-
/O.NEW.KDMX.TO.W.0050.260519T0039Z-260519T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
739 PM CDT Mon May 18 2026
The National Weather Service in Des Moines has issued a
* Tornado Warning for...
Southeastern Polk County in central Iowa...
Northwestern Marion County in south central Iowa...
Southwestern Jasper County in central Iowa...
Northern Warren County in south central Iowa...
* Until 830 PM CDT.
* At 739 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Spring Hill, or near Indianola, moving east at 50
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...
Carlisle and Hartford around 745 PM CDT.
Runnells around 750 PM CDT.
Swan around 755 PM CDT.
Monroe around 805 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Prairie City Krohn Airport, Spring Hill, Swan, Hartford, Runnells,
Ackworth, and Elk Rock State Park.
This includes Interstate 80 near mile marker 157.
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.
&&
LAT...LON 4134 9367 4147 9371 4170 9320 4144 9300
TIME...MOT...LOC 0039Z 253DEG 42KT 4142 9360
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Donavon
Action: Continued Issued At: 2026-05-18 19:52:33
037
WWUS53 KDMX 190052
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
752 PM CDT Mon May 18 2026
IAC099-125-153-181-190130-
/O.CON.KDMX.TO.W.0050.000000T0000Z-260519T0130Z/
Polk IA-Marion IA-Jasper IA-Warren IA-
752 PM CDT Mon May 18 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHEASTERN POLK...NORTHWESTERN MARION...SOUTHWESTERN JASPER AND
NORTHEASTERN WARREN COUNTIES...
At 751 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Carlisle, or near Pleasant Hill, moving northeast at
45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Prairie City around 800 PM CDT.
Colfax and Prairie City Krohn Airport around 805 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Hartford, Prairie City Krohn Airport, Runnells, and Swan.
This includes Interstate 80 near mile marker 157.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4142 9355 4153 9357 4170 9320 4150 9305
TIME...MOT...LOC 0051Z 242DEG 40KT 4155 9346
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Donavon
Action: Continued Issued At: 2026-05-18 20:02:03
374
WWUS53 KDMX 190101
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
801 PM CDT Mon May 18 2026
IAC125-181-190111-
/O.CAN.KDMX.TO.W.0050.000000T0000Z-260519T0130Z/
Marion IA-Warren IA-
801 PM CDT Mon May 18 2026
...THE TORNADO WARNING FOR NORTHWESTERN MARION AND NORTHEASTERN
WARREN COUNTIES IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for central Iowa.
LAT...LON 4151 9349 4156 9351 4170 9320 4156 9309
TIME...MOT...LOC 0101Z 245DEG 37KT 4160 9335
$$
IAC099-153-190130-
/O.CON.KDMX.TO.W.0050.000000T0000Z-260519T0130Z/
Polk IA-Jasper IA-
801 PM CDT Mon May 18 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHEASTERN POLK AND SOUTHWESTERN JASPER COUNTIES...
At 801 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Mitchellville, or 7 miles southeast of Altoona,
moving northeast at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Colfax, Prairie City, and Prairie City Krohn Airport around 805 PM
CDT.
Other locations impacted by this tornadic thunderstorm include
Prairie City Krohn Airport.
This includes Interstate 80 near mile marker 157.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4151 9349 4156 9351 4170 9320 4156 9309
TIME...MOT...LOC 0101Z 245DEG 37KT 4160 9335
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Donavon
Action: Cancelled Issued At: 2026-05-18 20:02:03
374
WWUS53 KDMX 190101
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
801 PM CDT Mon May 18 2026
IAC125-181-190111-
/O.CAN.KDMX.TO.W.0050.000000T0000Z-260519T0130Z/
Marion IA-Warren IA-
801 PM CDT Mon May 18 2026
...THE TORNADO WARNING FOR NORTHWESTERN MARION AND NORTHEASTERN
WARREN COUNTIES IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for central Iowa.
LAT...LON 4151 9349 4156 9351 4170 9320 4156 9309
TIME...MOT...LOC 0101Z 245DEG 37KT 4160 9335
$$
IAC099-153-190130-
/O.CON.KDMX.TO.W.0050.000000T0000Z-260519T0130Z/
Polk IA-Jasper IA-
801 PM CDT Mon May 18 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHEASTERN POLK AND SOUTHWESTERN JASPER COUNTIES...
At 801 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Mitchellville, or 7 miles southeast of Altoona,
moving northeast at 40 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Colfax, Prairie City, and Prairie City Krohn Airport around 805 PM
CDT.
Other locations impacted by this tornadic thunderstorm include
Prairie City Krohn Airport.
This includes Interstate 80 near mile marker 157.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4151 9349 4156 9351 4170 9320 4156 9309
TIME...MOT...LOC 0101Z 245DEG 37KT 4160 9335
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Donavon
Action: Continued Issued At: 2026-05-18 20:15:04
820
WWUS53 KDMX 190114 RRA
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
814 PM CDT Mon May 18 2026
IAC153-190124-
/O.CAN.KDMX.TO.W.0050.000000T0000Z-260519T0130Z/
Polk IA-
814 PM CDT Mon May 18 2026
...THE TORNADO WARNING FOR SOUTHEASTERN POLK COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for central Iowa.
LAT...LON 4160 9330 4166 9329 4170 9320 4162 9314
TIME...MOT...LOC 0114Z 253DEG 42KT 4165 9314
$$
IAC099-190130-
/O.CON.KDMX.TO.W.0050.000000T0000Z-260519T0130Z/
Jasper IA-
814 PM CDT Mon May 18 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR WEST
CENTRAL JASPER COUNTY...
At 814 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Prairie City Krohn Airport, or 6 miles southwest of
Newton, moving east at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
west central Jasper County, including the following locations...
Prairie City Krohn Airport.
This includes Interstate 80 near mile marker 157.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4160 9330 4166 9329 4170 9320 4162 9314
TIME...MOT...LOC 0114Z 253DEG 42KT 4165 9314
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Donavon
Action: Cancelled Issued At: 2026-05-18 20:15:04
820
WWUS53 KDMX 190114 RRA
SVSDMX
Severe Weather Statement
National Weather Service Des Moines IA
814 PM CDT Mon May 18 2026
IAC153-190124-
/O.CAN.KDMX.TO.W.0050.000000T0000Z-260519T0130Z/
Polk IA-
814 PM CDT Mon May 18 2026
...THE TORNADO WARNING FOR SOUTHEASTERN POLK COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1000 PM CDT for central Iowa.
LAT...LON 4160 9330 4166 9329 4170 9320 4162 9314
TIME...MOT...LOC 0114Z 253DEG 42KT 4165 9314
$$
IAC099-190130-
/O.CON.KDMX.TO.W.0050.000000T0000Z-260519T0130Z/
Jasper IA-
814 PM CDT Mon May 18 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR WEST
CENTRAL JASPER COUNTY...
At 814 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Prairie City Krohn Airport, or 6 miles southwest of
Newton, moving east at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This tornadic thunderstorm will remain over mainly rural areas of
west central Jasper County, including the following locations...
Prairie City Krohn Airport.
This includes Interstate 80 near mile marker 157.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4160 9330 4166 9329 4170 9320 4162 9314
TIME...MOT...LOC 0114Z 253DEG 42KT 4165 9314
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Donavon
Action: Cancelled Issued At: 2026-05-18 20:20:34 896 WWUS53 KDMX 190120 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 820 PM CDT Mon May 18 2026 IAC099-190129- /O.CAN.KDMX.TO.W.0050.000000T0000Z-260519T0130Z/ Jasper IA- 820 PM CDT Mon May 18 2026 ...THE TORNADO WARNING FOR WEST CENTRAL JASPER COUNTY IS CANCELLED... The storm which prompted the warning has weakened below severe limits, and no longer appears capable of producing a tornado. Therefore, the warning has been cancelled. A Tornado Warning remains in effect for northern Jasper County. A Tornado Watch remains in effect until 1000 PM CDT for central Iowa. LAT...LON 4160 9330 4166 9329 4170 9320 4162 9314 TIME...MOT...LOC 0118Z 253DEG 42KT 4167 9306 $$ Donavon | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||