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Home Return to list Severe Thunderstorm Warning 0155 Issued by the Omaha / Valley Forecast Office
Action: New Issued At: 2026-05-17 21:03:39
158
WUUS53 KOAX 180203
SVROAX
IAC071-129-137-145-NEC025-131-153-180315-
/O.NEW.KOAX.SV.W.0155.260518T0203Z-260518T0315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Omaha/Valley Nebraska
903 PM CDT Sun May 17 2026
The National Weather Service in Omaha has issued a
* Severe Thunderstorm Warning for...
Fremont County in southwestern Iowa...
Montgomery County in southwestern Iowa...
Mills County in southwestern Iowa...
Page County in southwestern Iowa...
Northeastern Sarpy County in east central Nebraska...
Eastern Otoe County in southeastern Nebraska...
Eastern Cass County in southeastern Nebraska...
* Until 1015 PM CDT.
* At 902 PM CDT, severe thunderstorms were located along a line
extending from 4 miles northwest of Silver City to 4 miles north of
Tabor to near Beaver Lake to 3 miles northeast of Dunbar, moving
east at 40 mph.
HAZARD...70 mph wind gusts and penny size hail.
SOURCE...Radar indicated. This line of storms has a history of
producing 60-70 mph winds
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Bellevue, Nebraska City, Red Oak, Offutt AFB, Plattsmouth,
Glenwood, Shenandoah, Villisca, Hamburg, Malvern, Sidney, Tabor,
Essex, Stanton, Farragut, Pacific Junction, Murray, Emerson,
Elliott, and Riverton.
This includes Interstate 29 between mile markers 1 and 42.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Iowa...and southeastern and east central Nebraska.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4058 9524 4058 9617 4094 9607 4116 9598
4116 9493 4092 9493
TIME...MOT...LOC 0202Z 263DEG 35KT 4116 9570 4096 9566 4089 9587 4069
9597
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Petersen
Action: Continued Issued At: 2026-05-17 21:57:41
513
WWUS53 KOAX 180257
SVSOAX
Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
957 PM CDT Sun May 17 2026
NEC025-131-153-180306-
/O.CAN.KOAX.SV.W.0155.000000T0000Z-260518T0315Z/
Sarpy NE-Otoe NE-Cass NE-
957 PM CDT Sun May 17 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SARPY...EASTERN
OTOE AND EASTERN CASS COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Iowa...and southeastern and east central Nebraska.
&&
LAT...LON 4058 9524 4058 9575 4065 9577 4068 9584
4073 9589 4077 9584 4087 9585 4089 9581
4093 9584 4098 9583 4100 9587 4104 9586
4106 9588 4108 9587 4116 9588 4116 9493
4092 9493
TIME...MOT...LOC 0256Z 263DEG 35KT 4122 9503 4102 9499 4095 9520 4075
9530
$$
IAC071-129-137-145-180315-
/O.CON.KOAX.SV.W.0155.000000T0000Z-260518T0315Z/
Fremont IA-Montgomery IA-Mills IA-Page IA-
957 PM CDT Sun May 17 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR FREMONT...MONTGOMERY...MILLS AND PAGE COUNTIES...
At 956 PM CDT, severe thunderstorms were located along a line
extending from 5 miles north of Grant to 6 miles north of Villisca to
4 miles south of Red Oak to 3 miles east of Shenandoah, moving east
at 40 mph.
HAZARD...70 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Nebraska City, Red Oak, Glenwood, Shenandoah, Villisca, Hamburg,
Malvern, Sidney, Tabor, Essex, Stanton, Farragut, Pacific Junction,
Emerson, Elliott, Riverton, Silver City, Coin, Henderson, and
Randolph.
This includes Interstate 29 between mile markers 1 and 42.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Iowa...and southeastern and east central Nebraska.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4058 9524 4058 9575 4065 9577 4068 9584
4073 9589 4077 9584 4087 9585 4089 9581
4093 9584 4098 9583 4100 9587 4104 9586
4106 9588 4108 9587 4116 9588 4116 9493
4092 9493
TIME...MOT...LOC 0256Z 263DEG 35KT 4122 9503 4102 9499 4095 9520 4075
9530
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Petersen
Action: Cancelled Issued At: 2026-05-17 21:57:41
513
WWUS53 KOAX 180257
SVSOAX
Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
957 PM CDT Sun May 17 2026
NEC025-131-153-180306-
/O.CAN.KOAX.SV.W.0155.000000T0000Z-260518T0315Z/
Sarpy NE-Otoe NE-Cass NE-
957 PM CDT Sun May 17 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SARPY...EASTERN
OTOE AND EASTERN CASS COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Iowa...and southeastern and east central Nebraska.
&&
LAT...LON 4058 9524 4058 9575 4065 9577 4068 9584
4073 9589 4077 9584 4087 9585 4089 9581
4093 9584 4098 9583 4100 9587 4104 9586
4106 9588 4108 9587 4116 9588 4116 9493
4092 9493
TIME...MOT...LOC 0256Z 263DEG 35KT 4122 9503 4102 9499 4095 9520 4075
9530
$$
IAC071-129-137-145-180315-
/O.CON.KOAX.SV.W.0155.000000T0000Z-260518T0315Z/
Fremont IA-Montgomery IA-Mills IA-Page IA-
957 PM CDT Sun May 17 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR FREMONT...MONTGOMERY...MILLS AND PAGE COUNTIES...
At 956 PM CDT, severe thunderstorms were located along a line
extending from 5 miles north of Grant to 6 miles north of Villisca to
4 miles south of Red Oak to 3 miles east of Shenandoah, moving east
at 40 mph.
HAZARD...70 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Nebraska City, Red Oak, Glenwood, Shenandoah, Villisca, Hamburg,
Malvern, Sidney, Tabor, Essex, Stanton, Farragut, Pacific Junction,
Emerson, Elliott, Riverton, Silver City, Coin, Henderson, and
Randolph.
This includes Interstate 29 between mile markers 1 and 42.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Iowa...and southeastern and east central Nebraska.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4058 9524 4058 9575 4065 9577 4068 9584
4073 9589 4077 9584 4087 9585 4089 9581
4093 9584 4098 9583 4100 9587 4104 9586
4106 9588 4108 9587 4116 9588 4116 9493
4092 9493
TIME...MOT...LOC 0256Z 263DEG 35KT 4122 9503 4102 9499 4095 9520 4075
9530
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Petersen
Action: Continued Issued At: 2026-05-17 22:08:11
861
WWUS53 KOAX 180308
SVSOAX
Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
1008 PM CDT Sun May 17 2026
IAC071-129-137-145-180315-
/O.CON.KOAX.SV.W.0155.000000T0000Z-260518T0315Z/
Fremont IA-Montgomery IA-Mills IA-Page IA-
1008 PM CDT Sun May 17 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR FREMONT...MONTGOMERY...EASTERN MILLS AND PAGE COUNTIES...
At 1007 PM CDT, severe thunderstorms were located along a line
extending from 6 miles northeast of Grant to 7 miles west of Corning
to near Stanton to 7 miles north of Coin, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Red Oak, Shenandoah, Villisca, Hamburg, Malvern, Sidney, Tabor,
Essex, Stanton, Farragut, Emerson, Elliott, Riverton, Coin,
Henderson, Randolph, Hastings, Grant, Yorktown, and Imogene.
This includes Interstate 29 between mile markers 1 and 4.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Iowa.
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4058 9524 4058 9575 4116 9561 4116 9493
4092 9493
TIME...MOT...LOC 0307Z 263DEG 35KT 4123 9492 4103 9488 4096 9509 4076
9519
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Petersen
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