Alert archive / Missouri / Henry County
Weather alerts in Henry County, Missouri, 2026
213 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Henry County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 213
- Warnings
- 97
- Watches
- 36
- Advisories
- 26
- Busiest month
- April78 alerts
- Busiest day
- April 27, 202617 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
1 of 10 tornado warnings covering Henry County in 2026 had a tornado report inside them; 3 of 3 tornado reports fell inside a warning, on average 16 minutes after it went out.
Henry County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 10 | 1 | 90% | 3 | 100% | 16 min |
| Severe thunderstorm warnings | 54 | 37 | 31% | 72 | 97% | 27 min |
| Flash flood warnings | 6 | 6 | 0% | 8 | 88% | 165 min |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Kansas City, MO: tornado warnings | 88 | 29 | 67% | 57 | 77% | 14 min |
| NWS Kansas City, MO: severe thunderstorm warnings | 530 | 340 | 36% | 1,925 | 91% | 25 min |
| NWS Kansas City, MO: flash flood warnings | 65 | 54 | 17% | 303 | 88% | 100 min |
An office's figures cover every county it serves, including across state lines.
The year is still running; reports filed late and damage surveys can still change these figures.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 21, 11:49 AM CST | Winter Storm Watch | EAX | 25 hr |
| Jan 22, 2:23 AM CST | Cold Weather Advisory | EAX | 58 hr |
| Jan 22, 12:21 PM CST | Winter Storm Warning | EAX | 69 hr |
| Jan 25, 1:41 AM CST | Cold Weather Advisory | EAX | 31 hr |
| Feb 18, 1:16 PM CST | Red Flag Warning | EAX | 31 hr |
| Feb 26, 9:50 PM CST | Red Flag Warning | EAX | 20 hr |
| Mar 4, 9:48 PM CST | Dense Fog Advisory | EAX | 11 hr |
| Mar 6, 3:47 PM CST | Mesoscale Discussion | SPC | 2 hr |
| Mar 6, 5:45 PM CST | Tornado Watch | SPC | 9 hr |
| Mar 6, 7:40 PM CST | Severe Thunderstorm Warning | EAX | 35 min |
| Mar 6, 7:43 PM CST | Mesoscale Discussion | SPC | 92 min |
| Mar 7, 2:04 AM CST | Special Weather Statement | EAX | 26 min |
| Mar 10, 5:41 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 10, 5:57 PM CDT | Tornado Watch | SPC | 6 hr |
| Mar 10, 8:22 PM CDT | Mesoscale Discussion | SPC | 83 min |
| Mar 11, 12:04 AM CDT | Severe Thunderstorm Warning | EAX | 41 min |
| Mar 11, 3:37 PM CDT | River Flood Warning | EAX | 41 hr |
| Mar 12, 9:52 AM CDT | Wind Advisory | EAX | 18 hr |
| Mar 14, 11:09 AM CDT | Wind Advisory | EAX | 44 hr |
| Mar 26, 7:58 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Mar 27, 11:36 AM CDT | Freeze Warning | EAX | 21 hr |
| Apr 1, 10:06 AM CDT | River Flood Warning | EAX | 69 hr |
| Apr 1, 10:55 AM CDT | Flood Watch | EAX | 23 hr |
| Apr 1, 3:52 PM CDT | Mesoscale Discussion | SPC | 113 min |
| Apr 1, 6:01 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 1, 7:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 1, 8:01 PM CDT | Areal Flood Advisory | EAX | 70 min |
| Apr 1, 8:41 PM CDT | Special Weather Statement | EAX | 34 min |
| Apr 1, 9:04 PM CDT | Severe Thunderstorm Warning | EAX | 41 min |
| Apr 1, 9:11 PM CDT | Flash Flood Warning | EAX | 6 hr |
| Apr 1, 9:50 PM CDT | Areal Flood Advisory | EAX | 4 hr |
| Apr 1, 10:11 PM CDT | Severe Thunderstorm Warning | EAX | 49 min |
| Apr 1, 11:12 PM CDT | Flash Flood Warning | EAX | 6 hr |
| Apr 1, 11:33 PM CDT | Flash Flood Warning | EAX | 3 hr |
| Apr 1, 11:39 PM CDT | River Flood Warning | EAX | 41 hr |
| Apr 2, 12:33 AM CDT | Special Weather Statement | EAX | 27 min |
| Apr 2, 12:49 AM CDT | Special Weather Statement | EAX | 26 min |
| Apr 2, 2:11 AM CDT | Special Weather Statement | EAX | 34 min |
| Apr 2, 2:55 AM CDT | Areal Flood Warning | EAX | 33 hr |
| Apr 2, 5:16 AM CDT | Areal Flood Warning | EAX | 31 hr |
| Apr 3, 1:26 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 3, 2:37 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 3, 10:17 PM CDT | Special Weather Statement | EAX | 28 min |
| Apr 4, 1:53 PM CDT | Frost Advisory | EAX | 18 hr |
| Apr 10, 8:26 AM CDT | River Flood Warning | EAX | 24 hr |
| Apr 13, 6:33 PM CDT | Tornado Watch | SPC | 4 hr |
| Apr 13, 9:20 PM CDT | Severe Thunderstorm Warning | EAX | 40 min |
| Apr 13, 9:58 PM CDT | Severe Thunderstorm Warning | EAX | 47 min |
| Apr 13, 11:58 PM CDT | River Flood Warning | EAX | 27 hr |
| Apr 15, 2:14 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 15, 3:40 PM CDT | Tornado Watch | SPC | 6 hr |
| Apr 15, 5:36 PM CDT | Severe Thunderstorm Warning | EAX | 39 min |
| Apr 15, 5:51 PM CDT | Tornado Warning | EAX | 24 min |
| Apr 15, 5:56 PM CDT | Severe Thunderstorm Warning | EAX | 22 min |
| Apr 15, 6:10 PM CDT | Tornado Warning | EAX | 12 min |
| Apr 15, 6:15 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 15, 6:16 PM CDT | Tornado Warning | EAX | 6 min |
| Apr 17, 1:42 AM CDT | Flood Watch | EAX | 26 hr |
| Apr 17, 8:39 AM CDT | River Flood Warning | EAX | 30 hr |
| Apr 17, 8:39 AM CDT | River Flood Warning | EAX | 24 hr |
| Apr 17, 1:40 PM CDT | Tornado Watch | SPC | 7 hr |
| Apr 17, 3:31 PM CDT | Mesoscale Discussion | SPC | 89 min |
| Apr 17, 5:10 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 17, 5:11 PM CDT | Severe Thunderstorm Warning | EAX | 79 min |
| Apr 17, 5:39 PM CDT | Severe Thunderstorm Warning | EAX | 66 min |
| Apr 17, 6:30 PM CDT | Severe Thunderstorm Warning | EAX | 45 min |
| Apr 17, 7:05 PM CDT | Tornado Warning | EAX | 25 min |
| Apr 17, 8:09 PM CDT | Areal Flood Advisory | EAX | 6 hr |
| Apr 23, 5:56 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 23, 10:30 PM CDT | Severe Thunderstorm Warning | EAX | 45 min |
| Apr 23, 10:32 PM CDT | Tornado Warning | EAX | 28 min |
| Apr 23, 11:05 PM CDT | Severe Thunderstorm Warning | EAX | 40 min |
| Apr 23, 11:05 PM CDT | Tornado Warning | EAX | 25 min |
| Apr 26, 2:46 AM CDT | Flood Watch | EAX | 38 hr |
| Apr 26, 3:22 PM CDT | Tornado Watch | SPC | 8 hr |
| Apr 26, 5:24 PM CDT | Severe Thunderstorm Warning | EAX | 51 min |
| Apr 26, 5:55 PM CDT | Severe Thunderstorm Warning | EAX | 39 min |
| Apr 26, 6:28 PM CDT | Severe Thunderstorm Warning | EAX | 47 min |
| Apr 26, 6:32 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Apr 26, 6:56 PM CDT | Areal Flood Advisory | EAX | 3 hr |
| Apr 26, 8:38 PM CDT | River Flood Warning | EAX | 56 hr |
| Apr 26, 8:40 PM CDT | River Flood Warning | EAX | 3 days |
| Apr 26, 9:11 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 26, 10:10 PM CDT | Severe Thunderstorm Warning | EAX | 35 min |
| Apr 26, 10:39 PM CDT | Severe Thunderstorm Warning | EAX | 36 min |
| Apr 26, 11:04 PM CDT | Severe Thunderstorm Warning | EAX | 41 min |
| Apr 27, 3:46 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 27, 6:14 AM CDT | Severe Thunderstorm Warning | EAX | 46 min |
| Apr 27, 7:05 AM CDT | Flash Flood Warning | EAX | 5 hr |
| Apr 27, 9:33 AM CDT | Mesoscale Discussion | SPC | 117 min |
| Apr 27, 11:53 AM CDT | Areal Flood Warning | EAX | 22 hr |
| Apr 27, 1:55 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Apr 27, 2:07 PM CDT | Severe Thunderstorm Warning | EAX | 38 min |
| Apr 27, 2:07 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Apr 27, 2:33 PM CDT | Severe Thunderstorm Warning | EAX | 42 min |
| Apr 27, 3:11 PM CDT | Severe Thunderstorm Warning | EAX | 49 min |
| Apr 27, 3:17 PM CDT | Severe Thunderstorm Warning | EAX | 14 min |
| Apr 28, 12:06 PM CDT | Severe Thunderstorm Warning | EAX | 28 min |
| Apr 28, 12:24 PM CDT | Severe Thunderstorm Warning | EAX | 27 min |
| May 4, 6:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| May 4, 8:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 5, 2:52 AM CDT | Special Weather Statement | EAX | 23 min |
| May 8, 3:01 PM CDT | Mesoscale Discussion | SPC | 119 min |
| May 8, 5:45 PM CDT | Severe Thunderstorm Warning | EAX | 30 min |
| May 8, 6:04 PM CDT | Severe Thunderstorm Warning | EAX | 26 min |
| May 9, 12:21 AM CDT | Dense Fog Advisory | EAX | 8 hr |
| May 16, 10:16 PM CDT | Flood Watch | EAX | 60 hr |
| May 18, 4:01 AM CDT | Special Weather Statement | EAX | 44 min |
| May 18, 8:24 AM CDT | River Flood Warning | EAX | 4 days |
| May 18, 8:24 AM CDT | River Flood Warning | EAX | 60 hr |
| May 18, 9:45 AM CDT | Areal Flood Advisory | EAX | 3 hr |
| May 18, 6:14 PM CDT | Tornado Watch | SPC | 7 hr |
| May 24, 12:31 AM CDT | Dense Fog Advisory | EAX | 8 hr |
| May 31, 10:35 AM CDT | River Flood Warning | EAX | 4 days |
| May 31, 8:53 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 31, 10:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 1, 1:54 AM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 7, 1:16 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jun 7, 1:19 PM CDT | Flood Watch | EAX | 23 hr |
| Jun 7, 3:57 PM CDT | Severe Thunderstorm Warning | EAX | 50 min |
| Jun 8, 1:57 AM CDT | Heat Advisory | EAX | 42 hr |
| Jun 8, 12:42 PM CDT | Flood Watch | EAX | 18 hr |
| Jun 8, 11:02 PM CDT | Mesoscale Discussion | SPC | 88 min |
| Jun 8, 11:49 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Jun 9, 1:25 AM CDT | Severe Thunderstorm Warning | EAX | 35 min |
| Jun 11, 1:18 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 11, 2:47 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jun 11, 4:38 PM CDT | Severe Thunderstorm Warning | EAX | 67 min |
| Jun 11, 5:41 PM CDT | Severe Thunderstorm Warning | EAX | 49 min |
| Jun 11, 8:06 PM CDT | Special Weather Statement | EAX | 24 min |
| Jun 11, 8:12 PM CDT | Severe Thunderstorm Warning | EAX | 48 min |
| Jun 11, 8:45 PM CDT | Severe Thunderstorm Warning | EAX | 33 min |
| Jun 12, 10:51 AM CDT | Flood Watch | EAX | 38 hr |
| Jun 12, 11:42 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 13, 2:30 PM CDT | Tornado Watch | SPC | 9 hr |
| Jun 13, 3:10 PM CDT | River Flood Warning | EAX | 18 hr |
| Jun 13, 10:03 PM CDT | Severe Thunderstorm Warning | EAX | 59 min |
| Jun 13, 10:04 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Jun 16, 11:40 AM CDT | Wind Advisory | EAX | 27 hr |
| Jun 17, 1:03 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Jun 17, 2:36 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 17, 4:02 PM CDT | Severe Thunderstorm Warning | EAX | 43 min |
| Jun 17, 4:33 PM CDT | Tornado Warning | EAX | 42 min |
| Jun 17, 4:58 PM CDT | Severe Thunderstorm Warning | EAX | 20 min |
| Jun 17, 5:04 PM CDT | Tornado Warning | EAX | 41 min |
| Jun 17, 5:10 PM CDT | Severe Thunderstorm Warning | EAX | 33 min |
| Jun 17, 5:23 PM CDT | Tornado Watch | SPC | 5 hr |
| Jun 17, 5:37 PM CDT | Tornado Warning | EAX | 38 min |
| Jun 17, 5:40 PM CDT | Tornado Warning | EAX | 37 min |
| Jun 17, 5:43 PM CDT | Mesoscale Discussion | SPC | 62 min |
| Jun 17, 5:44 PM CDT | Severe Thunderstorm Warning | EAX | 35 min |
| Jun 19, 2:24 AM CDT | Flood Watch | EAX | 62 hr |
| Jun 20, 7:59 PM CDT | River Flood Warning | EAX | 20 hr |
| Jun 21, 5:09 AM CDT | Severe Thunderstorm Warning | EAX | 36 min |
| Jun 21, 5:27 AM CDT | Mesoscale Discussion | SPC | 63 min |
| Jun 21, 5:37 AM CDT | Special Weather Statement | EAX | 38 min |
| Jun 24, 11:52 AM CDT | Flood Watch | EAX | 41 hr |
| Jun 25, 7:46 PM CDT | Areal Flood Advisory | EAX | 3 hr |
| Jun 25, 8:01 PM CDT | Flash Flood Warning | EAX | 2 hr |
| Jun 27, 1:17 AM CDT | Extreme Heat Watch | EAX | 11 hr |
| Jun 27, 7:40 AM CDT | Dense Fog Advisory | EAX | 2 hr |
| Jun 27, 12:13 PM CDT | Extreme Heat Warning | EAX | 7 days |
| Jul 4, 10:09 AM CDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 4, 11:57 AM CDT | Severe Thunderstorm Warning | EAX | 48 min |
| Jul 4, 12:17 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 4, 12:41 PM CDT | Severe Thunderstorm Warning | EAX | 49 min |
| Jul 4, 12:51 PM CDT | Flash Flood Warning | EAX | 3 hr |
| Jul 4, 1:25 PM CDT | Severe Thunderstorm Warning | EAX | 80 min |
| Jul 9, 4:41 AM CDT | Severe Thunderstorm Warning | EAX | 49 min |
| Jul 9, 5:06 AM CDT | Areal Flood Advisory | EAX | 3 hr |
| Jul 9, 5:08 AM CDT | Severe Thunderstorm Warning | EAX | 52 min |
| Jul 9, 3:53 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 6:12 AM CDT | Severe Thunderstorm Warning | EAX | 48 min |
| Jul 10, 6:55 AM CDT | Severe Thunderstorm Warning | EAX | 35 min |
| Jul 10, 11:39 AM CDT | Flood Watch | EAX | 13 hr |
| Jul 10, 4:46 PM CDT | Mesoscale Discussion | SPC | 119 min |
| Jul 16, 3:35 PM CDT | Areal Flood Advisory | EAX | 3 hr |
| Jul 19, 12:34 AM CDT | Heat Advisory | EAX | 49 hr |
| Jul 24, 12:44 AM CDT | Extreme Heat Watch | EAX | 11 hr |
| Jul 24, 12:06 PM CDT | Heat Advisory | EAX | 39 hr |
| Jul 26, 3:32 AM CDT | Extreme Heat Warning | EAX | 47 hr |
| Jul 31, 2:13 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 1:50 AM CDT | Flood Watch | EAX | 32 hr |
| Aug 5, 9:00 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 5, 9:46 PM CDT | River Flood Warning | EAX | 24 hr |
| Aug 6, 12:39 AM CDT | Severe Thunderstorm Warning | EAX | 36 min |
| Aug 6, 1:12 AM CDT | Special Weather Statement | EAX | 48 min |
| Aug 8, 2:00 AM CDT | Extreme Heat Watch | EAX | 23 hr |
| Aug 9, 12:59 AM CDT | Extreme Heat Warning | EAX | 7 days |
| Aug 16, 3:11 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 18, 9:57 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 18, 10:37 PM CDT | Mesoscale Discussion | SPC | 23 min |
| Aug 18, 11:40 PM CDT | Mesoscale Discussion | SPC | 95 min |
| Aug 19, 1:57 AM CDT | Mesoscale Discussion | SPC | 93 min |
| Aug 19, 3:23 AM CDT | Mesoscale Discussion | SPC | 67 min |
| Aug 20, 2:18 AM CDT | Dense Fog Advisory | EAX | 7 hr |
| Aug 21, 6:25 PM CDT | Severe Thunderstorm Warning | EAX | 50 min |
| Aug 30, 12:55 PM CDT | Heat Advisory | EAX | 4 days |
| Sep 3, 11:30 AM CDT | Extreme Heat Warning | EAX | 57 hr |
| Sep 5, 7:54 PM CDT | Extreme Heat Warning | EAX | 24 hr |
| Sep 6, 8:56 PM CDT | Severe Thunderstorm Warning | EAX | 34 min |
| Sep 6, 9:21 PM CDT | Special Weather Statement | EAX | 24 min |
| Sep 6, 11:29 PM CDT | Severe Thunderstorm Warning | EAX | 20 min |
| Sep 7, 1:16 PM CDT | Heat Advisory | EAX | 31 hr |
| Sep 9, 3:43 AM CDT | Heat Advisory | EAX | 15 hr |
| Sep 9, 4:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Sep 9, 6:15 PM CDT | Severe Thunderstorm Warning | EAX | 60 min |
| Sep 9, 7:08 PM CDT | Severe Thunderstorm Warning | EAX | 37 min |
| Sep 9, 7:21 PM CDT | Severe Thunderstorm Warning | EAX | 24 min |
| Sep 9, 7:44 PM CDT | Special Weather Statement | EAX | 31 min |
| Sep 10, 10:48 PM CDT | Dense Fog Advisory | EAX | 11 hr |
| Sep 12, 6:57 PM CDT | Special Weather Statement | EAX | 33 min |
| Sep 15, 2:35 PM CDT | Mesoscale Discussion | SPC | 115 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 54 |
| Tornado Warning | 10 |
| Severe Thunderstorm Watch | 11 |
| Tornado Watch | 10 |
| Mesoscale Discussion | 40 |
| Special Weather Statement | 14 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 6 |
| River Flood Warning | 15 |
| Flood Watch | 11 |
| Areal Flood Advisory | 8 |
| Winter | |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Heat | |
| Extreme Heat Warning | 5 |
| Extreme Heat Watch | 3 |
| Heat Advisory | 6 |
| Cold | |
| Freeze Warning | 1 |
| Cold Weather Advisory | 2 |
| Frost Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 3 |
| Fire | |
| Red Flag Warning | 2 |
| Fog and smoke | |
| Dense Fog Advisory | 6 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.