Alert archive / Nebraska / Tornado Watches in 2026

Tornado Watch 214

May 17, 20267 counties in Iowa; 22 counties in Kansas; 39 counties in Nebraska

The Storm Prediction Center issued this tornado watch at May 17, 2026, 3:16 PM CDT for 7 counties in Iowa; 22 counties in Kansas; 39 counties in Nebraska. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
May 17, 2026, 3:16 PM CDT (20:16 UTC)
Expired
May 17, 2026, 11:00 PM CDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
3 in
Strongest gust expected
65 kt
All 68 counties

Fremont County, IA, Harrison County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Barton County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellsworth County, KS, Geary County, KS, Jewell County, KS, Lincoln County, KS, Marshall County, KS, Mitchell County, KS, Nemaha County, KS, Osborne County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Russell County, KS, Saline County, KS, Smith County, KS, Washington County, KS, Adams County, NE, Boone County, NE, Buffalo County, NE, Butler County, NE, Cass County, NE, Clay County, NE, Colfax County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Franklin County, NE, Gage County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Howard County, NE, Jefferson County, NE, Johnson County, NE, Kearney County, NE, Lancaster County, NE, Merrick County, NE, Nance County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Platte County, NE, Polk County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Sherman County, NE, Thayer County, NE, Valley County, NE, Washington County, NE, Webster County, NE, York County, NE

The radar

The Omaha radar (KOAX), 98 km from the middle of the area, began a volume at 20:17 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
60%
One or more EF2 to EF5 tornadoes
50%
Ten or more severe wind reports
60%
One or more gusts of 65 knots or more
50%
Ten or more severe hail reports
60%
One or more hailstones of 2 inches or more
50%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

103 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
May 17, 4:11 PM CDTSevere Thunderstorm WarningGIDBuffalo, Hall, Howard, Sherman49 min
May 17, 4:20 PM CDTSevere Thunderstorm WarningGIDHoward, Sherman40 min
May 17, 4:36 PM CDTTornado WarningGIDHall, Howard, Merrick39 min
May 17, 4:55 PM CDTSevere Thunderstorm WarningGIDJewell, Smith50 min
May 17, 4:55 PM CDTSevere Thunderstorm Warning Considerable damage threatGIDGreeley, Howard, Merrick, Nance, Sherman50 min
May 17, 5:07 PM CDTTornado Warning Tornado observedConsiderable damage threatGIDHoward, Merrick, Nance, Polk53 min
May 17, 5:21 PM CDTSevere Thunderstorm WarningGIDClay, Nuckolls, Webster24 min
May 17, 5:28 PM CDTSevere Thunderstorm Warning Destructive damage threatGIDNance47 min
May 17, 5:31 PM CDTSevere Thunderstorm WarningICTLincoln, Russell59 min
May 17, 5:34 PM CDTSevere Thunderstorm Warning Considerable damage threatOAXBoone, Platte56 min
May 17, 5:38 PM CDTSevere Thunderstorm WarningGIDJewell52 min
May 17, 5:40 PM CDTSevere Thunderstorm WarningGIDMitchell50 min
May 17, 5:41 PM CDTSevere Thunderstorm WarningGIDClay, Fillmore, Hamilton, Nuckolls, York36 min
May 17, 5:47 PM CDTSevere Thunderstorm WarningOAXAntelope, Boone, Madison, Platte43 min
May 17, 5:49 PM CDTSevere Thunderstorm WarningTOPRepublic41 min
May 17, 5:52 PM CDTSevere Thunderstorm Warning Destructive damage threatGIDNance23 min
May 17, 6:00 PM CDTSevere Thunderstorm Warning Considerable damage threatGIDMerrick, Nance45 min
May 17, 6:01 PM CDTSevere Thunderstorm Warning Destructive damage threatOAXMadison, Platte, Stanton44 min
May 17, 6:03 PM CDTSevere Thunderstorm WarningGIDClay, Hamilton, Polk, York27 min
May 17, 6:12 PM CDTSevere Thunderstorm WarningGIDJewell, Mitchell48 min
May 17, 6:18 PM CDTSevere Thunderstorm WarningOAXPlatte42 min
May 17, 6:22 PM CDTSevere Thunderstorm WarningOAXSaline, Seward53 min
May 17, 6:23 PM CDTSevere Thunderstorm WarningTOPCloud, Republic30 min
May 17, 6:23 PM CDTSevere Thunderstorm Warning Considerable damage threatGIDHamilton, Polk, York52 min
May 17, 6:23 PM CDTTornado WarningOAXColfax, Platte, Stanton25 min
May 17, 6:25 PM CDTSevere Thunderstorm Warning Considerable damage threatGIDFillmore, Nuckolls, Thayer50 min
May 17, 6:26 PM CDTSevere Thunderstorm Warning Considerable damage threatOAXColfax, Cuming, Stanton49 min
May 17, 6:29 PM CDTSevere Thunderstorm Warning Considerable damage threatICTBarton, Ellsworth, Lincoln, Russell61 min
May 17, 6:30 PM CDTTornado WarningOAXColfax, Platte18 min
May 17, 6:38 PM CDTSevere Thunderstorm Warning Considerable damage threatICTBarton52 min
May 17, 6:39 PM CDTSevere Thunderstorm Warning Considerable damage threatOAXBurt, Cuming, Dodge, Stanton, Thurston, Wayne66 min
May 17, 6:40 PM CDTSevere Thunderstorm Warning Considerable damage threatGIDMerrick, Nance35 min
May 17, 6:41 PM CDTTornado WarningGIDThayer37 min
May 17, 6:48 PM CDTTornado Warning EmergencyTornado observedCatastrophic damage threatGIDThayer13 min
May 17, 6:48 PM CDTSevere Thunderstorm WarningOAXLancaster, Saline, Saunders, Seward42 min
May 17, 6:50 PM CDTSevere Thunderstorm WarningTOPCloud, Republic17 min
May 17, 6:54 PM CDTSevere Thunderstorm WarningOAXButler, Colfax, Platte51 min
May 17, 7:03 PM CDTSevere Thunderstorm WarningOAXSaunders42 min
May 17, 7:08 PM CDTTornado WarningOAXJefferson, Saline32 min
May 17, 7:10 PM CDTSevere Thunderstorm Warning Considerable damage threatGIDFillmore, Thayer35 min
May 17, 7:11 PM CDTSevere Thunderstorm WarningTOPWashington19 min
May 17, 7:16 PM CDTSevere Thunderstorm WarningOAXJefferson, Saline, Seward44 min
May 17, 7:17 PM CDTSevere Thunderstorm Warning Considerable damage threatICTEllsworth, Lincoln, Saline58 min
May 17, 7:20 PM CDTSevere Thunderstorm WarningOAXGage, Jefferson40 min
May 17, 7:21 PM CDTTornado WarningICTLincoln39 min
May 17, 7:26 PM CDTSevere Thunderstorm WarningGIDMitchell19 min
May 17, 7:27 PM CDTSevere Thunderstorm Warning Considerable damage threatOAXHarrison, Monona48 min
May 17, 7:28 PM CDTSevere Thunderstorm Warning Considerable damage threatICTBarton, Ellsworth, Lincoln, Russell47 min
May 17, 7:30 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPOttawa45 min
May 17, 7:30 PM CDTSevere Thunderstorm WarningOAXDodge, Douglas, Sarpy, Saunders, Washington45 min
May 17, 7:31 PM CDTSevere Thunderstorm WarningOAXCass, Douglas, Lancaster, Sarpy, Saunders59 min
May 17, 7:33 PM CDTTornado WarningOAXGage, Jefferson, Lancaster, Saline29 min
May 17, 7:35 PM CDTSevere Thunderstorm WarningTOPWashington40 min
May 17, 7:35 PM CDTSevere Thunderstorm WarningTOPCloud25 min
May 17, 7:38 PM CDTTornado WarningTOPOttawa26 min
May 17, 7:38 PM CDTSevere Thunderstorm WarningGIDFillmore, Nuckolls, Thayer28 min
May 17, 7:47 PM CDTTornado WarningOAXCass, Douglas, Sarpy, Saunders43 min
May 17, 7:51 PM CDTSevere Thunderstorm WarningTOPCloud, Republic24 min
May 17, 7:56 PM CDTSevere Thunderstorm WarningOAXGage, Jefferson, Johnson, Lancaster, Otoe, Pawnee49 min
May 17, 8:00 PM CDTSevere Thunderstorm WarningOAXHarrison, Monona45 min
May 17, 8:01 PM CDTSevere Thunderstorm Warning Considerable damage threatOAXLancaster, Saunders44 min
May 17, 8:03 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPCloud, Ottawa42 min
May 17, 8:04 PM CDTTornado WarningOAXHarrison, Pottawattamie26 min
May 17, 8:05 PM CDTSevere Thunderstorm WarningTOPMarshall, Washington40 min
May 17, 8:09 PM CDTSevere Thunderstorm Warning Considerable damage threatICTBarton, Ellsworth, Lincoln, Russell66 min
May 17, 8:10 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPCloud, Republic, Washington35 min
May 17, 8:11 PM CDTSevere Thunderstorm Warning Considerable damage threatOAXHarrison, Mills, Pottawattamie, Shelby64 min
May 17, 8:14 PM CDTTornado WarningOAXPottawattamie29 min
May 17, 8:16 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPOttawa44 min
May 17, 8:16 PM CDTTornado WarningTOPMarshall, Washington29 min
May 17, 8:17 PM CDTTornado WarningOAXCass, Lancaster, Otoe27 min
May 17, 8:25 PM CDTSevere Thunderstorm Warning Considerable damage threatOAXHarrison, Shelby65 min
May 17, 8:25 PM CDTSevere Thunderstorm Warning Considerable damage threatOAXCass, Douglas, Sarpy, Saunders50 min
May 17, 8:28 PM CDTTornado WarningOAXHarrison, Pottawattamie25 min
May 17, 8:29 PM CDTSevere Thunderstorm WarningOAXFremont46 min
May 17, 8:29 PM CDTSevere Thunderstorm WarningTOPClay, Cloud, Riley, Washington46 min
May 17, 8:31 PM CDTFlash Flood Warning Considerable damage threatICTBarton, Ellsworth, Lincoln, Russell6 hr
May 17, 8:41 PM CDTSevere Thunderstorm WarningTOPMarshall, Washington34 min
May 17, 8:42 PM CDTSevere Thunderstorm Warning Considerable damage threatOAXHarrison, Monona33 min
May 17, 8:43 PM CDTSevere Thunderstorm WarningOAXGage, Jefferson, Johnson, Nemaha, Pawnee47 min
May 17, 8:46 PM CDTTornado WarningOAXMills29 min
May 17, 8:56 PM CDTSevere Thunderstorm Warning Considerable damage threatOAXHarrison, Monona, Pottawattamie, Shelby64 min
May 17, 8:56 PM CDTSevere Thunderstorm WarningTOPMarshall, Washington34 min
May 17, 8:57 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPOttawa48 min
May 17, 9:03 PM CDTSevere Thunderstorm Warning Considerable damage threatOAXFremont, Mills, Montgomery, Page72 min
May 17, 9:06 PM CDTTornado WarningOAXMills, Montgomery, Pottawattamie39 min
May 17, 9:10 PM CDTSevere Thunderstorm Warning Considerable damage threatICTEllsworth, Lincoln, Saline65 min
May 17, 9:10 PM CDTSevere Thunderstorm WarningTOPMarshall, Washington35 min
May 17, 9:14 PM CDTSevere Thunderstorm WarningOAXJohnson, Nemaha, Otoe46 min
May 17, 9:16 PM CDTSevere Thunderstorm Warning Considerable damage threatICTBarton, Russell59 min
May 17, 9:16 PM CDTSevere Thunderstorm WarningTOPClay, Riley29 min
May 17, 9:21 PM CDTSevere Thunderstorm Warning Considerable damage threatOAXGage, Pawnee39 min
May 17, 9:26 PM CDTSevere Thunderstorm WarningTOPMarshall34 min
May 17, 9:41 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPClay, Dickinson, Ottawa34 min
May 17, 9:44 PM CDTSevere Thunderstorm Warning Considerable damage threatOAXNemaha, Pawnee, Richardson46 min
May 17, 9:46 PM CDTSevere Thunderstorm WarningTOPMarshall, Nemaha44 min
May 17, 10:00 PM CDTSevere Thunderstorm WarningOAXFremont30 min
May 17, 10:06 PM CDTSevere Thunderstorm WarningOAXFremont, Mills, Montgomery, Page54 min
May 17, 10:09 PM CDTSevere Thunderstorm WarningICTBarton, Russell66 min
May 17, 10:13 PM CDTSevere Thunderstorm WarningTOPOttawa18 min
May 17, 10:34 PM CDTSevere Thunderstorm Warning Considerable damage threatICTBarton41 min
May 17, 10:38 PM CDTSevere Thunderstorm Warning Considerable damage threatICTEllsworth, Lincoln67 min
May 17, 10:56 PM CDTSevere Thunderstorm WarningTOPBrown, Jackson, Nemaha32 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 8.3 hours before the alert went out and 98 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Omaha, NE at 12:00Z on 2026-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 2026-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1204 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
-21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 17, 1:11 PM CDTMesoscale DiscussionSPCCherokee, Harrison, Ida, Lyon, Monona, O'Brien and 4 more2 hr
May 17, 1:42 PM CDTTornado WatchSPCBuena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more8 hr
May 17, 3:31 PM CDTMesoscale DiscussionSPCLyon, O'Brien, Osceola, Sioux89 min
May 17, 5:45 PM CDTMesoscale DiscussionSPCBuena Vista, Cerro Gordo, Clay, Emmet, Floyd, Franklin and 10 more60 min
May 17, 6:12 PM CDTTornado WatchSPCBremer, Butler, Cerro Gordo, Chickasaw, Emmet, Fayette and 13 more6 hr
May 17, 6:53 PM CDTMesoscale DiscussionSPCCherokee, Crawford, Fremont, Harrison, Ida, Mills and 6 more67 min
May 16, 7:01 PM CDTMesoscale DiscussionSPCCheyenne, Cloud, Decatur, Graham, Jewell, Mitchell and 10 more119 min
May 16, 8:36 PM CDTMesoscale DiscussionSPCRepublic, Washington114 min
May 16, 10:15 PM CDTMesoscale DiscussionSPCCloud, Jewell, Marshall, Mitchell, Nemaha, Osborne and 4 more2 hr
May 16, 10:57 PM CDTSevere Thunderstorm WatchSPCAtchison, Doniphan4 hr
May 17, 12:33 AM CDTMesoscale DiscussionSPCAtchison, Brown, Clay, Doniphan, Jackson, Marshall and 4 more87 min
May 17, 2:45 PM CDTMesoscale DiscussionSPCClay, Cloud, Jewell, Lincoln, Marshall, Mitchell and 6 more60 min
May 17, 3:08 PM CDTMesoscale DiscussionSPCCheyenne, Sherman, Wallace3 hr
May 17, 3:38 PM CDTMesoscale DiscussionSPCBarber, Comanche, Edwards, Harper, Kingman, Kiowa and 4 more2 hr
May 17, 4:58 PM CDTSevere Thunderstorm WatchSPCCheyenne, Logan, Rawlins, Sherman, Thomas, Wallace3 hr
May 17, 5:13 PM CDTMesoscale DiscussionSPCClay, Cloud, Jewell, Lincoln, Mitchell, Ottawa and 3 more62 min
May 17, 5:19 PM CDTMesoscale DiscussionSPCBarber, Comanche, Edwards, Harper, Kingman, Kiowa and 4 more2 hr
May 17, 3:08 AM CDTMesoscale DiscussionSPCBoone, Buffalo, Custer, Dawson, Greeley, Hall and 7 more97 min
May 17, 11:58 AM CDTMesoscale DiscussionSPCBlaine, Boyd, Brown, Cherry, Garfield, Holt and 5 more92 min

Nearby

Tornado Watches in Nebraska, 2026Tornado Watches in Kansas, 2026Tornado Watches in Iowa, 2026Every tornado watch in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.