Alert archive / Missouri / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 256, NWS Kansas City, MO

May 16, 2026Grundy County, Linn County, Sullivan County, Missouri

NWS Kansas City, MO issued this severe thunderstorm warning at May 16, 2026, 9:32 PM CDT for Grundy County, Linn County, Sullivan County, Missouri. It was in force for 43 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 16, 2026, 9:32 PM CDT (02:32 UTC)
Expired: May 16, 2026, 10:15 PM CDT
In force: 43 min
Issued by: NWS Kansas City, MO
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Grundy County, MO, Linn County, MO, Sullivan County, MO

The radar

The Pleasant Hill radar (KEAX), 164 km from the middle of the area, began a volume at 02:35 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.

Issued	Product	Office	Lasted
May 16, 4:40 PM CDT	Tornado Watch	SPC	6 hr

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 Kansas City, MO wrote its last area forecast discussion before this severe thunderstorm warning went out at May 16, 6:26 PM CDT, 3 hours 6 minutes earlier.

Area forecast discussion, May 16, 6:26 PM CDT, 3 hours 6 minutes before

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Hazardous weather outlook, May 16, 5:06 AM CDT, 16 hours 26 minutes before

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In the hours before

Local storm report, May 16, 5:29 PM CDT, 4 hours 3 minutes before

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Local storm report, May 16, 5:33 PM CDT, 3 hours 59 minutes before

Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
533 PM CDT Sat May 16 2026

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

0531 PM     Hail             1 N Trenton             40.09N 93.62W
05/16/2026  E1.50 Inch       Grundy             MO   Emergency Mngr

&&

AK

Local storm report, May 16, 5:39 PM CDT, 3 hours 53 minutes before

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Local storm report, May 16, 5:53 PM CDT, 3 hours 39 minutes before

Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
553 PM CDT Sat May 16 2026

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

0548 PM     Flash Flood      1 E Trenton             40.08N 93.59W
05/16/2026                   Grundy             MO   Emergency Mngr

            Relayed by EM from law enforcement that a
            car is underwater just east of Trenton.
            Several roads reported flooding in Trenton.

&&

SM

Local storm report, May 16, 6:17 PM CDT, 3 hours 15 minutes before

Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
617 PM CDT Sat May 16 2026

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

0612 PM     Tstm Wnd Dmg     1 E Chula               39.92N 93.45W
05/16/2026                   Livingston         MO   Public

            6 inch tree limbs knocked down.

&&

CDB

Local storm report, May 16, 6:44 PM CDT, 2 hours 48 minutes before

Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
644 PM CDT Sat May 16 2026

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

0615 PM     Hail             5 S Trenton             40.01N 93.60W
05/16/2026  E2.75 Inch       Grundy             MO   Trained Spotter

            Golf ball to baseball size hail.

&&

CDB

The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 16, 7:01 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Harrison, Mercer	44 min
May 16, 7:12 PM CDT	Severe Thunderstorm Warning	EAX	Harrison, Worth	33 min
May 16, 7:14 PM CDT	Severe Thunderstorm Warning	EAX	Nodaway, Worth	19 min
May 16, 7:20 PM CDT	Flash Flood Warning	EAX	Grundy, Linn, Sullivan	6 hr
May 16, 7:32 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Harrison, Worth	43 min
May 16, 7:32 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EAX	Adair, Linn, Macon	43 min
May 16, 7:43 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Harrison, Mercer	47 min
May 16, 7:51 PM CDT	Severe Thunderstorm Warning	EAX	Gentry, Harrison, Mercer	39 min
May 16, 7:58 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Sullivan	47 min
May 16, 8:03 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Sullivan	27 min
May 16, 8:16 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Gentry, Harrison	44 min
May 16, 8:33 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Gentry, Grundy, Harrison, Mercer	27 min
May 16, 8:41 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Mercer, Sullivan	34 min
May 16, 8:56 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Harrison, Mercer	49 min
May 16, 8:58 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, DeKalb, Gentry	47 min
May 16, 9:13 PM CDT	Severe Thunderstorm Warning	EAX	Putnam, Sullivan	32 min
May 16, 9:35 PM CDT	Flash Flood Warning EmergencyCatastrophic damage threat	EAX	Grundy	6 hr
May 16, 10:04 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Harrison	26 min
May 16, 10:06 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, DeKalb, Gentry	24 min
May 16, 10:07 PM CDT	Flash Flood Warning	EAX	Daviess	5 hr
May 16, 10:14 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Sullivan	18 min
May 16, 10:16 PM CDT	Flood Watch	EAX	Andrew, Atchison, Bates, Buchanan, Caldwell, Carroll and 28 more	60 hr
May 16, 10:19 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy	26 min
May 16, 10:44 PM CDT	Severe Thunderstorm Warning	EAX	Grundy, Sullivan	31 min
May 16, 10:46 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Gentry, Harrison	29 min
May 16, 10:47 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, Harrison	28 min
May 16, 11:14 PM CDT	Severe Thunderstorm Warning	EAX	Daviess, DeKalb, Gentry, Harrison	31 min
May 16, 11:25 PM CDT	Severe Thunderstorm Warning	EAX	Adair, Putnam, Schuyler, Sullivan	19 min
May 17, 12:16 AM CDT	Severe Thunderstorm Warning	EAX	Daviess, Grundy, Harrison, Mercer	44 min
May 17, 12:56 AM CDT	River Flood Warning	EAX	Linn, Livingston	5 days
May 17, 12:56 AM CDT	River Flood Warning	EAX	Carroll, Chariton, Linn, Livingston	7 days
May 17, 1:14 AM CDT	Areal Flood Warning	EAX	Daviess, Gentry, Grundy, Harrison, Mercer	17 hr
May 17, 1:23 AM CDT	Areal Flood Warning	EAX	Linn, Sullivan	10 hr
May 17, 1:25 AM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Holt, Nodaway	50 min
May 17, 2:10 AM CDT	Severe Thunderstorm Warning	EAX	Andrew, Buchanan, Clinton, DeKalb, Gentry, Holt and 1 more	50 min
May 17, 3:28 AM CDT	Areal Flood Warning	EAX	Daviess, Grundy	8 hr
May 17, 5:13 AM CDT	River Flood Warning	EAX	Grundy, Livingston	19 hr
May 17, 5:57 AM CDT	River Flood Warning	EAX	Daviess, Gentry	4 days
May 17, 8:43 AM CDT	River Flood Warning	EAX	Daviess, Livingston	4 days
May 17, 9:43 AM CDT	River Flood Warning	EAX	Andrew, Nodaway	7 hr
May 17, 9:43 AM CDT	River Flood Warning	EAX	Andrew, Buchanan	10 hr
May 17, 9:43 AM CDT	River Flood Warning	EAX	Buchanan	5 days

Nearby

Severe Thunderstorm Warnings in Missouri, 2026 Every 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; radar from the NEXRAD Level II archive.