Alert archive / Nebraska / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 97, NWS Hastings, NE

May 17, 2026Fillmore County, Nuckolls County, Thayer County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at May 17, 2026, 7:38 PM CDT for Fillmore County, Nuckolls County, Thayer County, Nebraska. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 17, 2026, 7:38 PM CDT (00:38 UTC)
Expired
May 17, 2026, 8:06 PM CDT
In force
28 min
Issued by
NWS Hastings, NE
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Fillmore County, NE, Nuckolls County, NE, Thayer County, NE

The radar

The Grand Island radar (KUEX), 59 km from the middle of the area, began a volume at 00:38 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 17, 3:16 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 0.6 hours before the alert went out and 163 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 00:00Z on 2026-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2478 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2026-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 178 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
2478 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1258 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
178 m²/s²
0-3 km storm-relative helicity
298 m²/s²
Significant tornado parameter
2.0
Supercell composite
17.9

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at May 17, 6:48 PM CDT, 50 minutes earlier.

Area forecast discussion, May 17, 6:48 PM CDT, 50 minutes before
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Hazardous weather outlook, May 17, 1:26 PM CDT, 6 hours 12 minutes before
Hazardous Weather Outlook
National Weather Service Hastings NE
126 PM CDT Sun May 17 2026

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-
181200-
Phillips-Smith-Jewell-Rooks-Osborne-Mitchell-Valley-Greeley-Nance-
Sherman-Howard-Merrick-Polk-Dawson-Buffalo-Hall-Hamilton-York-
Gosper-Phelps-Kearney-Adams-Clay-Fillmore-Furnas-Harlan-Franklin-
Webster-Nuckolls-Thayer-
126 PM CDT Sun May 17 2026

This Hazardous Weather Outlook is for south central Nebraska and
portions of north central Kansas.

.DAY ONE...This Afternoon and Tonight.

The threat for severe weather returns late this afternoon and
evening, primarily for areas near and east of Highway 281. Threats
include hail to the size of baseballs, damaging wind gusts near
70 MPH, and a few tornadoes. The main timeframe for severe storms
will be 5pm to 10pm, although a few storms could develop earlier
than that window or persist a bit later than that.

In addition to the severe weather potential today, near critical
to critical fire weather conditions are expected, and a Red Flag
Warning is in effect for portions of the area from 1PM to 9PM.
Please refer to the warning statement for more specific
information.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Severe weather concerns continue on Monday as a cold front moves
across the area. The best potential for severe weather will be in
northern Kansas and along and east of the Highway 81 corridor in
Nebraska. The main timeframe of concern is 3PM to 8PM.

.SPOTTER INFORMATION STATEMENT...

Spotters are encouraged to report any hail, damaging wind, or
tornadoes to the National Weather Service.

&&

More information may be obtained at the following web page:
   https://www.weather.gov/hastings

In the hours before

Local storm report, May 17, 6:35 PM CDT, 1 hour 3 minutes before
Preliminary Local Storm Report
National Weather Service Hastings NE
635 PM CDT Sun May 17 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0634 PM     Hail             Deshler                 40.14N 97.73W
05/17/2026  E2.50 Inch       Thayer             NE   Emergency Mngr

&&

CS
Local storm report, May 17, 6:38 PM CDT, 1 hour before
Preliminary Local Storm Report
National Weather Service Hastings NE
638 PM CDT Sun May 17 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0549 PM     Tstm Wnd Gst     Glen Elder              39.50N 98.31W
05/17/2026  M53 MPH          Mitchell           KS   Mesonet

&&

CS
Local storm report, May 17, 6:39 PM CDT, 59 minutes before
Preliminary Local Storm Report
National Weather Service Hastings NE
639 PM CDT Sun May 17 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0555 PM     Tstm Wnd Gst     7 E Tipton              39.35N 98.34W
05/17/2026  M55 MPH          Mitchell           KS   Mesonet

&&

CS
Local storm report, May 17, 6:46 PM CDT, 52 minutes before
Preliminary Local Storm Report
National Weather Service Hastings NE
646 PM CDT Sun May 17 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0600 PM     Tstm Wnd Gst     2 W Central City        41.11N 98.05W
05/17/2026  M74 MPH          Merrick            NE   Mesonet

&&
Local storm report, May 17, 6:52 PM CDT, 46 minutes before
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Local storm report, May 17, 6:59 PM CDT, 39 minutes before
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The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 17, 7:10 PM CDTSevere Thunderstorm Warning Considerable damage threatGIDFillmore, Thayer35 min
May 17, 7:51 PM CDTSpecial Weather StatementGIDFillmore24 min
May 18, 7:07 AM CDTSpecial Weather StatementGIDBuffalo38 min
May 18, 7:57 AM CDTSpecial Weather StatementGIDHoward33 min
May 18, 1:26 PM CDTSpecial Weather StatementGIDThayer34 min
May 18, 1:51 PM CDTSpecial Weather StatementGIDThayer24 min
May 18, 2:00 PM CDTSevere Thunderstorm WarningGIDFillmore, Thayer18 min
May 18, 4:14 PM CDTSpecial Weather StatementGIDPolk16 min
May 18, 4:16 PM CDTSpecial Weather StatementGIDNuckolls29 min
May 18, 4:23 PM CDTSevere Thunderstorm WarningGIDFillmore, Nuckolls, Thayer25 min
May 18, 4:39 PM CDTSevere Thunderstorm WarningGIDThayer36 min
May 18, 4:43 PM CDTSevere Thunderstorm WarningGIDFillmore20 min
May 18, 4:53 PM CDTSpecial Weather StatementGIDFillmore22 min
May 18, 5:12 PM CDTSpecial Weather StatementGIDThayer18 min
May 18, 5:32 PM CDTSpecial Weather StatementGIDThayer13 min
May 18, 5:57 PM CDTSpecial Weather StatementGIDThayer33 min
May 18, 6:17 PM CDTSevere Thunderstorm WarningGIDThayer13 min
May 17, 7:22 PM CDTSpecial Weather StatementGIDMitchell23 min
May 17, 7:26 PM CDTSevere Thunderstorm WarningGIDMitchell19 min
May 18, 1:01 PM CDTSpecial Weather StatementGIDMitchell29 min
May 18, 1:43 PM CDTSpecial Weather StatementGIDMitchell32 min
May 18, 2:15 PM CDTSpecial Weather StatementGIDMitchell30 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2026Every severe thunderstorm warning 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.