Alert archive / Colorado / Weld County

Weather alerts in Weld County, Colorado, 2026

283 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Weld County and its neighbors

Each county as a circle sized by its count in 2026. Tap one for its archive.

Alerts
283
Warnings
135
Watches
46
Advisories
31
Busiest month
June70 alerts
Busiest day
August 14, 202618 alerts

Over time

By month

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, 2:25 AM MSTFire Weather WatchBOU11 hr
Jan 14, 1:47 PM MSTFire Weather WatchBOU20 hr
Jan 14, 1:47 PM MSTRed Flag WarningBOU28 hr
Jan 15, 10:01 AM MSTRed Flag WarningBOU32 hr
Jan 15, 10:38 AM MSTHigh Wind WarningBOU30 hr
Jan 16, 2:15 PM MSTRed Flag WarningBOU27 hr
Jan 22, 1:58 AM MSTCold Weather AdvisoryBOU4 days
Jan 23, 2:04 PM MSTCold Weather AdvisoryBOU67 hr
Jan 25, 1:02 PM MSTWinter Weather AdvisoryBOU6 hr
Feb 6, 12:05 PM MSTRed Flag WarningBOU29 hr
Feb 8, 2:09 AM MSTFire Weather WatchBOU21 hr
Feb 8, 10:55 PM MSTRed Flag WarningBOU18 hr
Feb 13, 12:30 PM MSTFire Weather WatchBOU72 hr
Feb 15, 11:41 AM MSTHigh Wind WatchBOU25 hr
Feb 16, 12:13 PM MSTRed Flag WarningBOU31 hr
Feb 16, 12:22 PM MSTHigh Wind WarningBOU29 hr
Feb 23, 11:59 AM MSTRed Flag WarningBOU29 hr
Feb 24, 11:57 AM MSTRed Flag WarningBOU30 hr
Feb 25, 1:00 AM MSTFire Weather WatchBOU26 hr
Feb 26, 3:16 AM MSTFire Weather WatchBOU8 hr
Feb 26, 11:04 AM MSTRed Flag WarningBOU31 hr
Feb 27, 11:06 AM MSTRed Flag WarningBOU31 hr
Mar 6, 3:36 PM MSTMesoscale DiscussionSPC4 hr
Mar 10, 2:26 AM MDTRed Flag WarningBOU11 hr
Mar 10, 9:51 AM MDTHigh Wind WatchBOU38 hr
Mar 10, 1:06 PM MDTFire Weather WatchBOU24 hr
Mar 11, 1:00 PM MDTHigh Wind WarningBOU47 hr
Mar 11, 1:22 PM MDTRed Flag WarningBOU32 hr
Mar 11, 11:23 PM MDTFire Weather WatchBOU13 hr
Mar 12, 12:50 PM MDTFire Weather WatchBOU8 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 14, 11:36 PM MDTSpecial Weather StatementBOU39 min
Mar 15, 10:38 PM MDTFire Weather WatchBOU15 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 17, 10:26 PM MDTFire Weather WatchBOU14 hr
Mar 18, 12:29 PM MDTRed Flag WarningBOU31 hr
Mar 18, 7:06 PM MDTRed Flag WarningBOU54 min
Mar 19, 2:16 AM MDTFire Weather WatchBOU12 hr
Mar 19, 2:16 AM MDTFire Weather WatchBOU35 hr
Mar 19, 1:57 PM MDTRed Flag WarningBOU29 hr
Mar 20, 12:46 PM MDTRed Flag WarningBOU33 hr
Mar 29, 3:00 AM MDTFire Weather WatchBOU9 hr
Mar 29, 12:19 PM MDTRed Flag WarningBOU32 hr
Apr 2, 12:57 PM MDTRed Flag WarningBOU30 hr
Apr 10, 12:38 PM MDTFire Weather WatchBOU35 hr
Apr 11, 11:13 PM MDTFire Weather WatchBOU13 hr
Apr 11, 11:13 PM MDTRed Flag WarningBOU21 hr
Apr 12, 11:50 AM MDTRed Flag WarningBOU32 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, 11:51 PM MDTFire Weather WatchBOU14 hr
Apr 23, 1:41 PM MDTRed Flag WarningBOU30 hr
May 3, 1:43 PM MDTWinter Storm WatchBOU34 hr
May 4, 12:51 AM MDTWinter Storm WarningBOU61 hr
May 4, 12:51 AM MDTWinter Weather AdvisoryBOU61 hr
May 4, 12:59 PM MDTFreeze WatchBOU23 hr
May 5, 11:31 AM MDTFreeze WarningBOU44 hr
May 9, 12:10 PM MDTMesoscale DiscussionSPC3 hr
May 9, 5:04 PM MDTSevere Thunderstorm Warning Considerable damage threatBOU41 min
May 9, 5:10 PM MDTSevere Thunderstorm WarningBOU50 min
May 9, 5:45 PM MDTSevere Thunderstorm WarningBOU30 min
May 13, 12:47 AM MDTFire Weather WatchBOU11 hr
May 13, 11:43 AM MDTRed Flag WarningBOU33 hr
May 17, 11:53 AM MDTFreeze WatchBOU24 hr
May 18, 11:36 AM MDTFrost AdvisoryBOU20 hr
May 21, 2:19 PM MDTMesoscale DiscussionSPC116 min
May 27, 3:44 PM MDTSpecial Weather StatementBOU46 min
May 30, 1:14 PM MDTMesoscale DiscussionSPC2 hr
May 30, 2:13 PM MDTSevere Thunderstorm WatchSPC7 hr
May 30, 3:18 PM MDTSevere Thunderstorm WarningBOU27 min
May 30, 3:39 PM MDTSpecial Weather StatementBOU36 min
May 30, 3:57 PM MDTSevere Thunderstorm WarningBOU33 min
May 30, 5:20 PM MDTMesoscale DiscussionSPC85 min
Jun 1, 11:51 AM MDTMesoscale DiscussionSPC2 hr
Jun 1, 12:52 PM MDTSevere Thunderstorm WatchSPC7 hr
Jun 1, 1:35 PM MDTSevere Thunderstorm WarningBOU23 min
Jun 1, 3:07 PM MDTSevere Thunderstorm Warning Considerable damage threatBOU38 min
Jun 1, 3:28 PM MDTSevere Thunderstorm Warning Considerable damage threatBOU18 min
Jun 1, 3:34 PM MDTSevere Thunderstorm Warning Considerable damage threatBOU41 min
Jun 1, 3:38 PM MDTMesoscale DiscussionSPC67 min
Jun 1, 3:53 PM MDTSevere Thunderstorm Warning Considerable damage threatBOU25 min
Jun 3, 3:20 PM MDTSevere Thunderstorm WarningBOU40 min
Jun 3, 3:27 PM MDTSevere Thunderstorm WarningBOU21 min
Jun 3, 3:50 PM MDTMesoscale DiscussionSPC115 min
Jun 3, 4:14 PM MDTSevere Thunderstorm WarningBOU18 min
Jun 3, 4:41 PM MDTSevere Thunderstorm WarningBOU39 min
Jun 3, 5:19 PM MDTSevere Thunderstorm WarningBOU24 min
Jun 5, 1:00 PM MDTRed Flag WarningBOU30 hr
Jun 7, 12:32 PM MDTFire Weather WatchBOU25 hr
Jun 8, 1:03 PM MDTRed Flag WarningBOU32 hr
Jun 8, 2:32 PM MDTTornado WatchSPC6 hr
Jun 8, 4:01 PM MDTSevere Thunderstorm WarningBOU32 min
Jun 8, 4:19 PM MDTSevere Thunderstorm WarningBOU41 min
Jun 8, 4:59 PM MDTSevere Thunderstorm WarningBOU30 min
Jun 9, 12:34 AM MDTFire Weather WatchBOU24 hr
Jun 9, 1:59 AM MDTSpecial Weather StatementBOU46 min
Jun 9, 2:39 AM MDTSevere Thunderstorm WarningBOU36 min
Jun 9, 2:50 AM MDTAreal Flood AdvisoryBOU3 hr
Jun 9, 3:15 AM MDTSevere Thunderstorm WarningBOU45 min
Jun 9, 12:57 PM MDTRed Flag WarningBOU31 hr
Jun 20, 7:17 PM MDTSevere Thunderstorm WarningBOU43 min
Jun 20, 7:35 PM MDTTornado WarningBOU28 min
Jun 20, 7:52 PM MDTSevere Thunderstorm WarningBOU38 min
Jun 20, 8:03 PM MDTSevere Thunderstorm WarningBOU27 min
Jun 20, 8:26 PM MDTSevere Thunderstorm WarningBOU34 min
Jun 20, 9:01 PM MDTSevere Thunderstorm WarningBOU29 min
Jun 20, 10:22 PM MDTSevere Thunderstorm WarningBOU38 min
Jun 20, 10:46 PM MDTSevere Thunderstorm WarningBOU35 min
Jun 20, 10:54 PM MDTMesoscale DiscussionSPC2 hr
Jun 22, 11:29 AM MDTMesoscale DiscussionSPC2 hr
Jun 22, 3:12 PM MDTSevere Thunderstorm WarningBOU48 min
Jun 22, 4:04 PM MDTSevere Thunderstorm WarningBOU41 min
Jun 22, 4:38 PM MDTSevere Thunderstorm Warning Considerable damage threatBOU40 min
Jun 23, 1:57 PM MDTMesoscale DiscussionSPC2 hr
Jun 23, 4:39 PM MDTSevere Thunderstorm WatchSPC10 hr
Jun 23, 8:31 PM MDTSevere Thunderstorm Warning Considerable damage threatBOU44 min
Jun 23, 8:58 PM MDTSevere Thunderstorm Warning Destructive damage threatBOU47 min
Jun 23, 9:03 PM MDTMesoscale DiscussionSPC87 min
Jun 23, 9:37 PM MDTSevere Thunderstorm WarningBOU25 min
Jun 24, 1:21 AM MDTSevere Thunderstorm WarningBOU39 min
Jun 24, 2:20 PM MDTMesoscale DiscussionSPC115 min
Jun 24, 3:21 PM MDTSevere Thunderstorm Warning Considerable damage threatBOU39 min
Jun 24, 3:38 PM MDTSevere Thunderstorm Warning Destructive damage threatBOU33 min
Jun 24, 3:50 PM MDTTornado WatchSPC8 hr
Jun 24, 6:35 PM MDTTornado WarningBOU40 min
Jun 24, 6:47 PM MDTMesoscale DiscussionSPC58 min
Jun 24, 6:58 PM MDTSevere Thunderstorm Warning Destructive damage threatBOU31 min
Jun 24, 7:27 PM MDTSevere Thunderstorm Warning Considerable damage threatBOU33 min
Jun 24, 7:44 PM MDTTornado WarningBOU31 min
Jun 24, 7:47 PM MDTSevere Thunderstorm WarningBOU32 min
Jun 24, 8:07 PM MDTSevere Thunderstorm Warning Considerable damage threatBOU38 min
Jun 25, 4:54 PM MDTMesoscale DiscussionSPC96 min
Jun 25, 5:55 PM MDTSevere Thunderstorm WarningBOU50 min
Jun 25, 6:41 PM MDTSevere Thunderstorm WarningBOU40 min
Jun 25, 7:15 PM MDTSpecial Weather StatementBOU45 min
Jun 26, 1:57 PM MDTSevere Thunderstorm WarningBOU27 min
Jun 26, 2:13 PM MDTMesoscale DiscussionSPC62 min
Jun 26, 2:37 PM MDTSevere Thunderstorm WatchSPC9 hr
Jun 26, 5:17 PM MDTSevere Thunderstorm WarningBOU28 min
Jun 26, 5:42 PM MDTSevere Thunderstorm WarningBOU48 min
Jun 26, 6:13 PM MDTSevere Thunderstorm WarningBOU37 min
Jun 26, 6:47 PM MDTSevere Thunderstorm Warning Considerable damage threatBOU20 min
Jun 30, 2:58 PM MDTSpecial Weather StatementBOU47 min
Jun 30, 6:51 PM MDTSevere Thunderstorm WarningBOU39 min
Jun 30, 7:12 PM MDTSevere Thunderstorm WarningBOU21 min
Jul 1, 11:01 PM MDTSpecial Weather StatementBOU44 min
Jul 1, 11:45 PM MDTSpecial Weather StatementBOU45 min
Jul 1, 11:46 PM MDTSevere Thunderstorm WarningBOU44 min
Jul 2, 12:25 AM MDTSevere Thunderstorm WarningBOU35 min
Jul 2, 12:29 AM MDTSevere Thunderstorm WarningBOU46 min
Jul 2, 12:37 AM MDTSevere Thunderstorm WarningBOU38 min
Jul 2, 12:51 AM MDTAreal Flood AdvisoryBOU3 hr
Jul 2, 12:57 AM MDTSevere Thunderstorm WarningBOU48 min
Jul 2, 12:58 AM MDTMesoscale DiscussionSPC2 hr
Jul 2, 1:12 AM MDTSevere Thunderstorm WarningBOU30 min
Jul 2, 1:18 AM MDTFlash Flood WarningBOU3 hr
Jul 2, 1:38 AM MDTSevere Thunderstorm WarningBOU26 min
Jul 2, 2:34 AM MDTAreal Flood AdvisoryBOU3 hr
Jul 3, 5:52 PM MDTSpecial Weather StatementBOU38 min
Jul 3, 6:17 PM MDTSevere Thunderstorm WarningBOU23 min
Jul 4, 3:13 PM MDTMesoscale DiscussionSPC62 min
Jul 6, 6:01 PM MDTSpecial Weather StatementBOU44 min
Jul 7, 4:27 PM MDTSpecial Weather StatementBOU48 min
Jul 8, 1:03 PM MDTMesoscale DiscussionSPC117 min
Jul 8, 1:27 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 8, 4:00 PM MDTSpecial Weather StatementBOU30 min
Jul 8, 4:01 PM MDTSpecial Weather StatementBOU29 min
Jul 8, 4:13 PM MDTSevere Thunderstorm WarningBOU32 min
Jul 8, 4:42 PM MDTSevere Thunderstorm WarningBOU33 min
Jul 8, 5:18 PM MDTSevere Thunderstorm WarningBOU42 min
Jul 9, 2:56 PM MDTSpecial Weather StatementBOU34 min
Jul 9, 3:45 PM MDTSevere Thunderstorm WarningBOU45 min
Jul 9, 3:53 PM MDTSpecial Weather StatementBOU37 min
Jul 10, 6:53 PM MDTSevere Thunderstorm WarningBOU37 min
Jul 12, 1:11 PM MDTHeat AdvisoryBOU32 hr
Jul 17, 12:00 PM MDTHeat AdvisoryBOU3 days
Jul 22, 12:02 AM MDTSevere Thunderstorm WarningBOU17 min
Jul 22, 2:19 PM MDTMesoscale DiscussionSPC86 min
Jul 22, 4:13 PM MDTSevere Thunderstorm WarningBOU32 min
Jul 23, 3:03 PM MDTSpecial Weather StatementBOU42 min
Jul 24, 2:51 AM MDTHeat AdvisoryBOU42 hr
Jul 24, 2:51 AM MDTHeat AdvisoryBOU66 hr
Jul 28, 2:55 AM MDTFlood WatchBOU19 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, 2:48 PM MDTAreal Flood AdvisoryBOU117 min
Jul 28, 3:09 PM MDTAreal Flood AdvisoryBOU2 hr
Jul 29, 3:56 PM MDTSevere Thunderstorm WarningBOU49 min
Jul 29, 4:16 PM MDTSevere Thunderstorm WarningBOU44 min
Jul 29, 5:01 PM MDTSpecial Weather StatementBOU29 min
Jul 29, 6:02 PM MDTSpecial Weather StatementBOU28 min
Jul 29, 6:13 PM MDTAreal Flood AdvisoryBOU3 hr
Jul 30, 1:33 PM MDTMesoscale DiscussionSPC117 min
Jul 31, 2:15 AM MDTHeat AdvisoryBOU4 days
Jul 31, 3:06 PM MDTSpecial Weather StatementBOU24 min
Aug 6, 12:07 PM MDTHeat AdvisoryBOU3 days
Aug 9, 4:22 PM MDTSpecial Weather StatementBOU38 min
Aug 9, 4:53 PM MDTSpecial Weather StatementBOU52 min
Aug 12, 1:33 PM MDTMesoscale DiscussionSPC117 min
Aug 12, 4:47 PM MDTSevere Thunderstorm WarningBOU43 min
Aug 12, 5:08 PM MDTSevere Thunderstorm Warning Considerable damage threatBOU37 min
Aug 12, 5:43 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 13, 2:18 AM MDTFlood WatchBOU22 hr
Aug 13, 2:41 PM MDTMesoscale DiscussionSPC2 hr
Aug 13, 7:56 PM MDTSpecial Weather StatementBOU34 min
Aug 13, 8:02 PM MDTSevere Thunderstorm WarningBOU28 min
Aug 13, 8:04 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 13, 8:20 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 13, 8:55 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 13, 9:03 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 13, 9:11 PM MDTSevere Thunderstorm WarningBOU28 min
Aug 13, 9:20 PM MDTFlash Flood WarningBOU3 hr
Aug 13, 9:38 PM MDTSevere Thunderstorm WarningBOU17 min
Aug 13, 10:10 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 13, 11:02 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 14, 10:40 AM MDTFlood WatchBOU11 hr
Aug 14, 2:05 PM MDTMesoscale DiscussionSPC115 min
Aug 14, 3:55 PM MDTFlash Flood WarningBOU3 hr
Aug 14, 4:01 PM MDTSpecial Weather StatementBOU29 min
Aug 14, 4:42 PM MDTFlash Flood WarningBOU2 hr
Aug 14, 5:31 PM MDTFlash Flood WarningBOU2 hr
Aug 14, 5:40 PM MDTSpecial Weather StatementBOU35 min
Aug 15, 1:06 AM MDTFlood WatchBOU19 hr
Aug 15, 1:28 PM MDTMesoscale DiscussionSPC2 hr
Aug 15, 2:04 PM MDTSevere Thunderstorm WatchSPC7 hr
Aug 15, 3:16 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 15, 3:26 PM MDTSpecial Weather StatementBOU34 min
Aug 15, 4:08 PM MDTFlash Flood WarningBOU3 hr
Aug 15, 4:48 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 15, 5:08 PM MDTMesoscale DiscussionSPC2 hr
Aug 16, 12:33 PM MDTMesoscale DiscussionSPC117 min
Aug 16, 2:06 PM MDTSevere Thunderstorm WatchSPC7 hr
Aug 16, 3:50 PM MDTMesoscale DiscussionSPC115 min
Aug 16, 5:29 PM MDTSpecial Weather StatementBOU31 min
Aug 16, 5:38 PM MDTAreal Flood AdvisoryBOU4 hr
Aug 16, 5:42 PM MDTSevere Thunderstorm WarningBOU33 min
Aug 16, 6:36 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 18, 10:01 PM MDTSpecial Weather StatementBOU29 min
Aug 21, 2:54 PM MDTSpecial Weather StatementBOU51 min
Aug 22, 1:15 PM MDTMesoscale DiscussionSPC3 hr
Aug 22, 3:01 PM MDTSevere Thunderstorm WarningBOU29 min
Aug 22, 3:39 PM MDTSevere Thunderstorm WarningBOU51 min
Aug 22, 4:14 PM MDTSevere Thunderstorm Warning Destructive damage threatBOU46 min
Aug 22, 4:45 PM MDTSevere Thunderstorm WarningBOU30 min
Aug 22, 4:58 PM MDTSevere Thunderstorm WarningBOU23 min
Aug 22, 5:10 PM MDTSevere Thunderstorm WarningBOU35 min
Aug 22, 5:12 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 22, 5:14 PM MDTSevere Thunderstorm WarningBOU46 min
Aug 22, 5:35 PM MDTSpecial Weather StatementBOU55 min
Aug 22, 6:01 PM MDTAreal Flood AdvisoryBOU3 hr
Aug 22, 6:02 PM MDTSevere Thunderstorm WarningBOU43 min
Aug 24, 1:36 PM MDTMesoscale DiscussionSPC114 min
Aug 25, 2:53 PM MDTMesoscale DiscussionSPC2 hr
Aug 25, 3:24 PM MDTSpecial Weather StatementBOU51 min
Aug 25, 4:50 PM MDTSpecial Weather StatementBOU40 min
Aug 26, 1:43 PM MDTMesoscale DiscussionSPC3 hr
Aug 26, 3:53 PM MDTSevere Thunderstorm WatchSPC6 hr
Aug 27, 2:27 PM MDTSevere Thunderstorm WarningBOU33 min
Aug 27, 3:02 PM MDTMesoscale DiscussionSPC118 min
Aug 29, 1:26 PM MDTMesoscale DiscussionSPC2 hr
Aug 29, 6:28 PM MDTSpecial Weather StatementBOU47 min
Sep 5, 8:09 PM MDTSevere Thunderstorm WarningBOU36 min
Sep 5, 8:23 PM MDTAreal Flood AdvisoryBOU3 hr
Sep 6, 6:21 PM MDTSpecial Weather StatementBOU39 min
Sep 6, 6:54 PM MDTSevere Thunderstorm WarningBOU26 min
Sep 6, 7:17 PM MDTSevere Thunderstorm WarningBOU28 min
Sep 6, 10:52 PM MDTSevere Thunderstorm WarningBOU38 min
Sep 7, 6:43 PM MDTSevere Thunderstorm WarningBOU28 min
Sep 19, 1:43 PM MDTMesoscale DiscussionSPC3 hr
Sep 19, 5:29 PM MDTSpecial Weather StatementBOU46 min
Sep 20, 10:09 PM MDTSevere Thunderstorm WarningBOU38 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. Rebuilt daily.