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

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings30100%0
Severe thunderstorm warnings19574%683%27 min
Flash flood warnings10100%0

Each office's whole area, 2026

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Denver/Boulder, CO: tornado warnings32584%1464%13 min
NWS Denver/Boulder, CO: severe thunderstorm warnings41614665%39279%17 min
NWS Denver/Boulder, CO: flash flood warnings38976%1593%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.

IssuedProductOfficeLasted
Jan 14, 2:21 AM MSTHigh Wind WatchBOU32 hr
Jan 14, 1:47 PM MSTFire Weather WatchBOU20 hr
Jan 15, 10:01 AM MSTRed Flag WarningBOU32 hr
Jan 15, 10:38 AM MSTHigh Wind WarningBOU30 hr
Jan 16, 2:44 AM MSTFire Weather WatchBOU12 hr
Jan 16, 2:15 PM MSTRed Flag WarningBOU27 hr
Jan 19, 2:35 PM MSTFire Weather WatchBOU11 hr
Jan 20, 2:02 AM MSTRed Flag WarningBOU12 hr
Jan 22, 1:58 AM MSTCold Weather AdvisoryBOU4 days
Feb 6, 12:05 PM MSTRed Flag WarningBOU29 hr
Feb 8, 2:09 AM MSTFire Weather WatchBOU21 hr
Feb 13, 12:30 PM MSTFire Weather WatchBOU72 hr
Feb 14, 2:36 AM MSTFire Weather WatchBOU9 hr
Feb 14, 11:46 AM MSTRed Flag WarningBOU29 hr
Feb 16, 12:13 PM MSTRed Flag WarningBOU31 hr
Feb 16, 12:22 PM MSTHigh Wind WarningBOU29 hr
Feb 24, 11:57 AM MSTRed Flag WarningBOU30 hr
Feb 25, 1:00 AM MSTFire Weather WatchBOU26 hr
Feb 25, 12:07 PM MSTMesoscale DiscussionSPC2 hr
Feb 25, 5:57 PM MSTSpecial Weather StatementBOU48 min
Feb 26, 3:16 AM MSTFire Weather WatchBOU8 hr
Mar 6, 3:36 PM MSTMesoscale DiscussionSPC4 hr
Mar 10, 1:06 PM MDTFire Weather WatchBOU24 hr
Mar 11, 1:22 PM MDTRed Flag WarningBOU32 hr
Mar 12, 12:50 PM MDTRed Flag WarningBOU31 hr
Mar 12, 8:58 PM MDTRed Flag WarningBOU48 hr
Mar 13, 11:25 AM MDTHigh Wind WatchBOU27 hr
Mar 14, 2:27 PM MDTHigh Wind WarningBOU25 hr
Mar 16, 1:55 PM MDTRed Flag WarningBOU30 hr
Mar 16, 11:49 PM MDTFire Weather WatchBOU13 hr
Mar 17, 1:09 PM MDTRed Flag WarningBOU30 hr
Mar 19, 2:16 AM MDTFire Weather WatchBOU35 hr
Mar 20, 12:46 PM MDTRed Flag WarningBOU33 hr
Apr 2, 12:57 PM MDTRed Flag WarningBOU30 hr
Apr 10, 12:38 PM MDTFire Weather WatchBOU35 hr
Apr 15, 11:58 AM MDTFreeze WatchBOU23 hr
Apr 16, 11:02 AM MDTFreeze WarningBOU45 hr
Apr 17, 11:33 PM MDTRed Flag WarningBOU19 hr
Apr 20, 11:42 AM MDTFire Weather WatchBOU9 hr
Apr 20, 8:48 PM MDTRed Flag WarningBOU51 hr
Apr 21, 1:15 PM MDTFire Weather WatchBOU23 hr
Apr 22, 12:22 PM MDTRed Flag WarningBOU31 hr
Apr 22, 1:51 PM MDTMesoscale DiscussionSPC114 min
May 4, 12:59 PM MDTFreeze WatchBOU23 hr
May 5, 11:31 AM MDTFreeze WarningBOU44 hr
May 13, 12:47 AM MDTFire Weather WatchBOU11 hr
May 13, 11:43 AM MDTRed Flag WarningBOU33 hr
May 16, 3:05 PM MDTSevere Thunderstorm WatchSPC6 hr
May 16, 5:19 PM MDTSpecial Weather StatementBOU41 min
May 17, 11:53 AM MDTFreeze WatchBOU24 hr
May 17, 2:08 PM MDTMesoscale DiscussionSPC3 hr
May 18, 11:36 AM MDTFrost AdvisoryBOU20 hr
May 21, 2:19 PM MDTMesoscale DiscussionSPC116 min
May 23, 12:24 PM MDTMesoscale DiscussionSPC3 hr
May 30, 1:14 PM MDTMesoscale DiscussionSPC2 hr
May 30, 2:13 PM MDTSevere Thunderstorm WatchSPC7 hr
May 30, 6:28 PM MDTSevere Thunderstorm WarningBOU47 min
May 30, 6:39 PM MDTTornado WarningBOU51 min
Jun 1, 11:51 AM MDTMesoscale DiscussionSPC2 hr
Jun 1, 12:52 PM MDTSevere Thunderstorm WatchSPC7 hr
Jun 1, 3:38 PM MDTMesoscale DiscussionSPC67 min
Jun 1, 5:53 PM MDTSpecial Weather StatementBOU67 min
Jun 1, 6:23 PM MDTMesoscale DiscussionSPC97 min
Jun 3, 3:50 PM MDTMesoscale DiscussionSPC115 min
Jun 7, 12:32 PM MDTFire Weather WatchBOU25 hr
Jun 8, 1:03 PM MDTRed Flag WarningBOU32 hr
Jun 8, 6:58 PM MDTMesoscale DiscussionSPC2 hr
Jun 8, 7:00 PM MDTSevere Thunderstorm WarningBOU60 min
Jun 9, 12:34 AM MDTFire Weather WatchBOU24 hr
Jun 9, 12:57 PM MDTRed Flag WarningBOU31 hr
Jun 9, 2:31 PM MDTMesoscale DiscussionSPC89 min
Jun 9, 4:07 PM MDTSpecial Weather StatementBOU23 min
Jun 9, 4:32 PM MDTSevere Thunderstorm WarningBOU16 min
Jun 20, 1:11 PM MDTMesoscale DiscussionSPC2 hr
Jun 20, 1:50 PM MDTTornado WatchSPC7 hr
Jun 21, 11:51 AM MDTMesoscale DiscussionSPC114 min
Jun 21, 12:46 PM MDTSevere Thunderstorm WatchSPC7 hr
Jun 21, 2:33 PM MDTMesoscale DiscussionSPC117 min
Jun 22, 1:30 PM MDTSevere Thunderstorm WatchSPC10 hr
Jun 22, 4:21 PM MDTMesoscale DiscussionSPC114 min
Jun 22, 6:20 PM MDTMesoscale DiscussionSPC85 min
Jun 23, 10:05 PM MDTSevere Thunderstorm WarningBOU25 min
Jun 23, 10:05 PM MDTMesoscale DiscussionSPC55 min
Jun 24, 3:50 PM MDTTornado WatchSPC8 hr
Jun 24, 5:38 PM MDTSevere Thunderstorm WarningBOU24 min
Jun 24, 7:48 PM MDTSevere Thunderstorm WarningBOU21 min
Jun 24, 7:58 PM MDTMesoscale DiscussionSPC62 min
Jun 24, 8:51 PM MDTSevere Thunderstorm WarningBOU39 min
Jun 26, 2:37 PM MDTSevere Thunderstorm WatchSPC9 hr
Jun 26, 5:52 PM MDTMesoscale DiscussionSPC113 min
Jun 27, 3:14 PM MDTSevere Thunderstorm WatchSPC7 hr
Jun 27, 6:10 PM MDTMesoscale DiscussionSPC95 min
Jun 30, 6:14 PM MDTMesoscale DiscussionSPC2 hr
Jun 30, 7:10 PM MDTSevere Thunderstorm WatchSPC7 hr
Jun 30, 7:49 PM MDTTornado Warning Tornado observedBOU35 min
Jun 30, 8:10 PM MDTSevere Thunderstorm Warning Destructive damage threatBOU50 min
Jun 30, 8:22 PM MDTTornado WarningBOU16 min
Jun 30, 8:55 PM MDTSevere Thunderstorm WarningBOU35 min
Jul 3, 12:59 AM MDTSevere Thunderstorm WarningBOU46 min
Jul 3, 1:26 AM MDTMesoscale DiscussionSPC2 hr
Jul 3, 2:24 AM MDTSevere Thunderstorm Warning Considerable damage threatBOU28 min
Jul 3, 3:09 AM MDTFlash Flood WarningBOU2 hr
Jul 3, 8:37 PM MDTMesoscale DiscussionSPC113 min
Jul 4, 3:13 PM MDTMesoscale DiscussionSPC62 min
Jul 8, 1:03 PM MDTMesoscale DiscussionSPC117 min
Jul 8, 1:27 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 8, 6:52 PM MDTMesoscale DiscussionSPC83 min
Jul 8, 10:49 PM MDTSpecial Weather StatementBOU26 min
Jul 9, 1:39 PM MDTMesoscale DiscussionSPC2 hr
Jul 9, 3:42 PM MDTSevere Thunderstorm WatchSPC6 hr
Jul 9, 6:03 PM MDTSevere Thunderstorm WarningBOU42 min
Jul 9, 6:41 PM MDTSevere Thunderstorm WarningBOU49 min
Jul 22, 8:56 PM MDTSevere Thunderstorm WarningBOU49 min
Jul 24, 2:51 AM MDTHeat AdvisoryBOU66 hr
Jul 28, 11:57 AM MDTMesoscale DiscussionSPC2 hr
Jul 28, 1:07 PM MDTSevere Thunderstorm WatchSPC9 hr
Jul 28, 2:35 PM MDTMesoscale DiscussionSPC115 min
Jul 28, 5:02 PM MDTMesoscale DiscussionSPC88 min
Jul 28, 6:04 PM MDTSpecial Weather StatementBOU41 min
Jul 28, 6:11 PM MDTSevere Thunderstorm WarningBOU49 min
Aug 9, 4:41 PM MDTMesoscale DiscussionSPC2 hr
Aug 9, 6:05 PM MDTSevere Thunderstorm WatchSPC5 hr
Aug 9, 7:00 PM MDTMesoscale DiscussionSPC2 hr
Aug 9, 8:28 PM MDTSevere Thunderstorm WarningBOU47 min
Aug 9, 9:08 PM MDTSevere Thunderstorm WarningBOU37 min
Aug 9, 9:29 PM MDTMesoscale DiscussionSPC2 hr
Aug 10, 2:51 PM MDTMesoscale DiscussionSPC2 hr
Aug 10, 3:44 PM MDTSevere Thunderstorm WatchSPC5 hr
Aug 10, 6:31 PM MDTMesoscale DiscussionSPC119 min
Aug 12, 1:33 PM MDTMesoscale DiscussionSPC117 min
Aug 12, 2:32 PM MDTSevere Thunderstorm WatchSPC6 hr
Aug 12, 6:06 PM MDTMesoscale DiscussionSPC114 min
Aug 12, 7:16 PM MDTSpecial Weather StatementBOU44 min
Aug 13, 2:41 PM MDTMesoscale DiscussionSPC2 hr
Aug 13, 7:30 PM MDTMesoscale DiscussionSPC90 min
Aug 14, 8:37 PM MDTSpecial Weather StatementBOU53 min
Aug 14, 9:29 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 15, 1:06 AM MDTFlood WatchBOU19 hr
Aug 15, 7:27 PM MDTAreal Flood AdvisoryBOU2 hr
Aug 16, 2:06 PM MDTSevere Thunderstorm WatchSPC7 hr
Aug 17, 5:41 PM MDTSpecial Weather StatementBOU34 min
Aug 21, 7:32 PM MDTMesoscale DiscussionSPC88 min
Aug 21, 8:13 PM MDTSevere Thunderstorm WatchSPC3 hr
Aug 21, 10:16 PM MDTMesoscale DiscussionSPC89 min
Aug 25, 2:53 PM MDTMesoscale DiscussionSPC2 hr
Sep 5, 2:34 PM MDTMesoscale DiscussionSPC116 min
Sep 5, 4:31 PM MDTFlood WatchBOU10 hr
Sep 5, 5:01 PM MDTSevere Thunderstorm WatchSPC4 hr
Sep 5, 5:11 PM MDTSevere Thunderstorm WarningBOU49 min
Sep 5, 5:34 PM MDTSevere Thunderstorm WarningBOU26 min
Sep 5, 6:44 PM MDTMesoscale DiscussionSPC2 hr
Sep 5, 10:28 PM MDTMesoscale DiscussionSPC2 hr
Sep 5, 10:35 PM MDTAreal Flood AdvisoryBOU3 hr
Sep 5, 11:07 PM MDTSpecial Weather StatementBOU38 min
Sep 17, 4:11 PM MDTMesoscale DiscussionSPC3 hr
Sep 20, 12:49 PM MDTMesoscale DiscussionSPC2 hr
Sep 20, 7:15 PM MDTSpecial Weather StatementBOU45 min

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

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.