Alert archive / Colorado / Sedgwick County
Weather alerts in Sedgwick County, Colorado, 2026
157 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Sedgwick County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 157
- Warnings
- 48
- Watches
- 43
- Advisories
- 6
- Busiest month
- June34 alerts
- Busiest day
- June 9, 20267 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
0 of 3 tornado warnings covering Sedgwick County in 2026 had a tornado report inside them.
Sedgwick County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 3 | 0 | 100% | 0 | ||
| Severe thunderstorm warnings | 19 | 5 | 74% | 6 | 83% | 27 min |
| Flash flood warnings | 1 | 0 | 100% | 0 |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Denver/Boulder, CO: tornado warnings | 32 | 5 | 84% | 14 | 64% | 13 min |
| NWS Denver/Boulder, CO: severe thunderstorm warnings | 416 | 146 | 65% | 392 | 79% | 17 min |
| NWS Denver/Boulder, CO: flash flood warnings | 38 | 9 | 76% | 15 | 93% | 41 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, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 14, 2:21 AM MST | High Wind Watch | BOU | 32 hr |
| Jan 14, 1:47 PM MST | Fire Weather Watch | BOU | 20 hr |
| Jan 15, 10:01 AM MST | Red Flag Warning | BOU | 32 hr |
| Jan 15, 10:38 AM MST | High Wind Warning | BOU | 30 hr |
| Jan 16, 2:44 AM MST | Fire Weather Watch | BOU | 12 hr |
| Jan 16, 2:15 PM MST | Red Flag Warning | BOU | 27 hr |
| Jan 19, 2:35 PM MST | Fire Weather Watch | BOU | 11 hr |
| Jan 20, 2:02 AM MST | Red Flag Warning | BOU | 12 hr |
| Jan 22, 1:58 AM MST | Cold Weather Advisory | BOU | 4 days |
| Feb 6, 12:05 PM MST | Red Flag Warning | BOU | 29 hr |
| Feb 8, 2:09 AM MST | Fire Weather Watch | BOU | 21 hr |
| Feb 13, 12:30 PM MST | Fire Weather Watch | BOU | 72 hr |
| Feb 14, 2:36 AM MST | Fire Weather Watch | BOU | 9 hr |
| Feb 14, 11:46 AM MST | Red Flag Warning | BOU | 29 hr |
| Feb 16, 12:13 PM MST | Red Flag Warning | BOU | 31 hr |
| Feb 16, 12:22 PM MST | High Wind Warning | BOU | 29 hr |
| Feb 24, 11:57 AM MST | Red Flag Warning | BOU | 30 hr |
| Feb 25, 1:00 AM MST | Fire Weather Watch | BOU | 26 hr |
| Feb 25, 12:07 PM MST | Mesoscale Discussion | SPC | 2 hr |
| Feb 25, 5:57 PM MST | Special Weather Statement | BOU | 48 min |
| Feb 26, 3:16 AM MST | Fire Weather Watch | BOU | 8 hr |
| Mar 6, 3:36 PM MST | Mesoscale Discussion | SPC | 4 hr |
| Mar 10, 1:06 PM MDT | Fire Weather Watch | BOU | 24 hr |
| Mar 11, 1:22 PM MDT | Red Flag Warning | BOU | 32 hr |
| Mar 12, 12:50 PM MDT | Red Flag Warning | BOU | 31 hr |
| Mar 12, 8:58 PM MDT | Red Flag Warning | BOU | 48 hr |
| Mar 13, 11:25 AM MDT | High Wind Watch | BOU | 27 hr |
| Mar 14, 2:27 PM MDT | High Wind Warning | BOU | 25 hr |
| Mar 16, 1:55 PM MDT | Red Flag Warning | BOU | 30 hr |
| Mar 16, 11:49 PM MDT | Fire Weather Watch | BOU | 13 hr |
| Mar 17, 1:09 PM MDT | Red Flag Warning | BOU | 30 hr |
| Mar 19, 2:16 AM MDT | Fire Weather Watch | BOU | 35 hr |
| Mar 20, 12:46 PM MDT | Red Flag Warning | BOU | 33 hr |
| Apr 2, 12:57 PM MDT | Red Flag Warning | BOU | 30 hr |
| Apr 10, 12:38 PM MDT | Fire Weather Watch | BOU | 35 hr |
| Apr 15, 11:58 AM MDT | Freeze Watch | BOU | 23 hr |
| Apr 16, 11:02 AM MDT | Freeze Warning | BOU | 45 hr |
| Apr 17, 11:33 PM MDT | Red Flag Warning | BOU | 19 hr |
| Apr 20, 11:42 AM MDT | Fire Weather Watch | BOU | 9 hr |
| Apr 20, 8:48 PM MDT | Red Flag Warning | BOU | 51 hr |
| Apr 21, 1:15 PM MDT | Fire Weather Watch | BOU | 23 hr |
| Apr 22, 12:22 PM MDT | Red Flag Warning | BOU | 31 hr |
| Apr 22, 1:51 PM MDT | Mesoscale Discussion | SPC | 114 min |
| May 4, 12:59 PM MDT | Freeze Watch | BOU | 23 hr |
| May 5, 11:31 AM MDT | Freeze Warning | BOU | 44 hr |
| May 13, 12:47 AM MDT | Fire Weather Watch | BOU | 11 hr |
| May 13, 11:43 AM MDT | Red Flag Warning | BOU | 33 hr |
| May 16, 3:05 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 16, 5:19 PM MDT | Special Weather Statement | BOU | 41 min |
| May 17, 11:53 AM MDT | Freeze Watch | BOU | 24 hr |
| May 17, 2:08 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| May 18, 11:36 AM MDT | Frost Advisory | BOU | 20 hr |
| May 21, 2:19 PM MDT | Mesoscale Discussion | SPC | 116 min |
| May 23, 12:24 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| May 30, 1:14 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 30, 2:13 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 30, 6:28 PM MDT | Severe Thunderstorm Warning | BOU | 47 min |
| May 30, 6:39 PM MDT | Tornado Warning | BOU | 51 min |
| Jun 1, 11:51 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 1, 12:52 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 1, 3:38 PM MDT | Mesoscale Discussion | SPC | 67 min |
| Jun 1, 5:53 PM MDT | Special Weather Statement | BOU | 67 min |
| Jun 1, 6:23 PM MDT | Mesoscale Discussion | SPC | 97 min |
| Jun 3, 3:50 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Jun 7, 12:32 PM MDT | Fire Weather Watch | BOU | 25 hr |
| Jun 8, 1:03 PM MDT | Red Flag Warning | BOU | 32 hr |
| Jun 8, 6:58 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 8, 7:00 PM MDT | Severe Thunderstorm Warning | BOU | 60 min |
| Jun 9, 12:34 AM MDT | Fire Weather Watch | BOU | 24 hr |
| Jun 9, 12:57 PM MDT | Red Flag Warning | BOU | 31 hr |
| Jun 9, 2:31 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Jun 9, 4:07 PM MDT | Special Weather Statement | BOU | 23 min |
| Jun 9, 4:32 PM MDT | Severe Thunderstorm Warning | BOU | 16 min |
| Jun 20, 1:11 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 20, 1:50 PM MDT | Tornado Watch | SPC | 7 hr |
| Jun 21, 11:51 AM MDT | Mesoscale Discussion | SPC | 114 min |
| Jun 21, 12:46 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 21, 2:33 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Jun 22, 1:30 PM MDT | Severe Thunderstorm Watch | SPC | 10 hr |
| Jun 22, 4:21 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Jun 22, 6:20 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jun 23, 10:05 PM MDT | Severe Thunderstorm Warning | BOU | 25 min |
| Jun 23, 10:05 PM MDT | Mesoscale Discussion | SPC | 55 min |
| Jun 24, 3:50 PM MDT | Tornado Watch | SPC | 8 hr |
| Jun 24, 5:38 PM MDT | Severe Thunderstorm Warning | BOU | 24 min |
| Jun 24, 7:48 PM MDT | Severe Thunderstorm Warning | BOU | 21 min |
| Jun 24, 7:58 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Jun 24, 8:51 PM MDT | Severe Thunderstorm Warning | BOU | 39 min |
| Jun 26, 2:37 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 26, 5:52 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jun 27, 3:14 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 27, 6:10 PM MDT | Mesoscale Discussion | SPC | 95 min |
| Jun 30, 6:14 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 30, 7:10 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jun 30, 7:49 PM MDT | Tornado Warning | BOU | 35 min |
| Jun 30, 8:10 PM MDT | Severe Thunderstorm Warning | BOU | 50 min |
| Jun 30, 8:22 PM MDT | Tornado Warning | BOU | 16 min |
| Jun 30, 8:55 PM MDT | Severe Thunderstorm Warning | BOU | 35 min |
| Jul 3, 12:59 AM MDT | Severe Thunderstorm Warning | BOU | 46 min |
| Jul 3, 1:26 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 3, 2:24 AM MDT | Severe Thunderstorm Warning | BOU | 28 min |
| Jul 3, 3:09 AM MDT | Flash Flood Warning | BOU | 2 hr |
| Jul 3, 8:37 PM MDT | Mesoscale Discussion | SPC | 113 min |
| Jul 4, 3:13 PM MDT | Mesoscale Discussion | SPC | 62 min |
| Jul 8, 1:03 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Jul 8, 1:27 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Jul 8, 6:52 PM MDT | Mesoscale Discussion | SPC | 83 min |
| Jul 8, 10:49 PM MDT | Special Weather Statement | BOU | 26 min |
| Jul 9, 1:39 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 9, 3:42 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 9, 6:03 PM MDT | Severe Thunderstorm Warning | BOU | 42 min |
| Jul 9, 6:41 PM MDT | Severe Thunderstorm Warning | BOU | 49 min |
| Jul 22, 8:56 PM MDT | Severe Thunderstorm Warning | BOU | 49 min |
| Jul 24, 2:51 AM MDT | Heat Advisory | BOU | 66 hr |
| Jul 28, 11:57 AM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 28, 1:07 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jul 28, 2:35 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Jul 28, 5:02 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Jul 28, 6:04 PM MDT | Special Weather Statement | BOU | 41 min |
| Jul 28, 6:11 PM MDT | Severe Thunderstorm Warning | BOU | 49 min |
| Aug 9, 4:41 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 9, 6:05 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 9, 7:00 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 9, 8:28 PM MDT | Severe Thunderstorm Warning | BOU | 47 min |
| Aug 9, 9:08 PM MDT | Severe Thunderstorm Warning | BOU | 37 min |
| Aug 9, 9:29 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 2:51 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 10, 3:44 PM MDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Aug 10, 6:31 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Aug 12, 1:33 PM MDT | Mesoscale Discussion | SPC | 117 min |
| Aug 12, 2:32 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 12, 6:06 PM MDT | Mesoscale Discussion | SPC | 114 min |
| Aug 12, 7:16 PM MDT | Special Weather Statement | BOU | 44 min |
| Aug 13, 2:41 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 13, 7:30 PM MDT | Mesoscale Discussion | SPC | 90 min |
| Aug 14, 8:37 PM MDT | Special Weather Statement | BOU | 53 min |
| Aug 14, 9:29 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Aug 15, 1:06 AM MDT | Flood Watch | BOU | 19 hr |
| Aug 15, 7:27 PM MDT | Areal Flood Advisory | BOU | 2 hr |
| Aug 16, 2:06 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 17, 5:41 PM MDT | Special Weather Statement | BOU | 34 min |
| Aug 21, 7:32 PM MDT | Mesoscale Discussion | SPC | 88 min |
| Aug 21, 8:13 PM MDT | Severe Thunderstorm Watch | SPC | 3 hr |
| Aug 21, 10:16 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Aug 25, 2:53 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 5, 2:34 PM MDT | Mesoscale Discussion | SPC | 116 min |
| Sep 5, 4:31 PM MDT | Flood Watch | BOU | 10 hr |
| Sep 5, 5:01 PM MDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Sep 5, 5:11 PM MDT | Severe Thunderstorm Warning | BOU | 49 min |
| Sep 5, 5:34 PM MDT | Severe Thunderstorm Warning | BOU | 26 min |
| Sep 5, 6:44 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 5, 10:28 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 5, 10:35 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Sep 5, 11:07 PM MDT | Special Weather Statement | BOU | 38 min |
| Sep 17, 4:11 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Sep 20, 12:49 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Sep 20, 7:15 PM MDT | Special Weather Statement | BOU | 45 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 | 19 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 17 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 49 |
| Special Weather Statement | 11 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flood Watch | 2 |
| Areal Flood Advisory | 3 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 3 |
| Cold Weather Advisory | 1 |
| Frost Advisory | 1 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 2 |
| Fire | |
| Red Flag Warning | 20 |
| Fire Weather Watch | 17 |
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.