Alert archive / Wyoming / Crook County

Weather alerts in Crook County, Wyoming, 2026

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

Crook County and its neighbors

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

Alerts
117
Warnings
49
Watches
21
Advisories
12
Busiest month
June34 alerts
Busiest day
July 3, 20268 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

Crook County, 2026

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings281257%2236%10 min
Flash flood warnings00

Each office's whole area, 2026

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Rapid City, SD: tornado warnings10370%1030%14 min
NWS Rapid City, SD: severe thunderstorm warnings36019945%74572%25 min
NWS Rapid City, SD: flash flood warnings5420%888%95 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 1, 1:15 PM MSTDense Fog AdvisoryUNR22 hr
Jan 14, 1:54 AM MSTHigh Wind WatchUNR24 hr
Jan 15, 1:51 AM MSTHigh Wind WarningUNR40 hr
Jan 17, 1:22 AM MSTHigh Wind WatchUNR11 hr
Jan 22, 1:17 AM MSTCold Weather AdvisoryUNR35 hr
Jan 24, 3:30 AM MSTCold Weather AdvisoryUNR8 hr
Jan 28, 12:30 PM MSTWinter Weather AdvisoryUNR52 hr
Feb 16, 11:41 AM MSTRed Flag WarningUNR30 hr
Feb 18, 1:33 AM MSTWinter Weather AdvisoryUNR35 hr
Mar 9, 8:55 PM MDTWinter Weather AdvisoryUNR27 hr
Mar 10, 12:09 PM MDTHigh Wind WatchUNR23 hr
Mar 11, 11:36 AM MDTHigh Wind WarningUNR35 hr
Mar 12, 9:46 PM MDTWinter Storm WatchUNR15 hr
Mar 13, 12:25 PM MDTWinter Storm WarningUNR48 hr
Mar 13, 12:25 PM MDTWinter Weather AdvisoryUNR48 hr
Mar 18, 9:52 PM MDTRed Flag WarningUNR21 hr
Mar 19, 9:57 PM MDTRed Flag WarningUNR47 hr
Mar 23, 12:37 PM MDTFire Weather WatchUNR24 hr
Mar 24, 12:35 PM MDTRed Flag WarningUNR33 hr
Mar 29, 1:21 AM MDTFire Weather WatchUNR11 hr
Mar 29, 12:10 PM MDTRed Flag WarningUNR32 hr
Apr 1, 1:01 PM MDTWinter Storm WatchUNR22 hr
Apr 2, 11:03 AM MDTWinter Storm WarningUNR40 hr
Apr 2, 11:03 AM MDTWinter Weather AdvisoryUNR40 hr
Apr 10, 11:21 AM MDTRed Flag WarningUNR3 days
Apr 13, 1:18 PM MDTMesoscale DiscussionSPC87 min
Apr 13, 1:26 PM MDTSevere Thunderstorm WarningUNR64 min
Apr 21, 1:36 AM MDTFire Weather WatchUNR11 hr
Apr 21, 12:48 PM MDTRed Flag WarningUNR31 hr
May 8, 12:49 PM MDTFrost AdvisoryUNR65 min
May 9, 10:53 AM MDTFrost AdvisoryUNR20 hr
May 17, 12:05 PM MDTFreeze WarningUNR22 hr
May 18, 11:40 AM MDTFreeze WarningUNR21 hr
May 19, 11:46 AM MDTFreeze WarningUNR19 hr
May 29, 4:14 PM MDTSpecial Weather StatementUNR31 min
May 29, 9:57 PM MDTSpecial Weather StatementUNR33 min
May 30, 1:14 PM MDTMesoscale DiscussionSPC2 hr
May 30, 2:21 PM MDTMesoscale DiscussionSPC2 hr
May 30, 5:20 PM MDTMesoscale DiscussionSPC85 min
Jun 1, 4:05 PM MDTSpecial Weather StatementUNR40 min
Jun 1, 5:13 PM MDTSpecial Weather StatementUNR32 min
Jun 2, 12:02 AM MDTSpecial Weather StatementUNR28 min
Jun 2, 1:40 PM MDTSevere Thunderstorm WatchSPC9 hr
Jun 2, 3:53 PM MDTMesoscale DiscussionSPC2 hr
Jun 2, 5:30 PM MDTSevere Thunderstorm WarningUNR45 min
Jun 2, 5:58 PM MDTSevere Thunderstorm WarningUNR32 min
Jun 2, 6:25 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR50 min
Jun 2, 6:33 PM MDTSevere Thunderstorm Warning Considerable damage threatUNR42 min
Jun 2, 7:13 PM MDTMesoscale DiscussionSPC2 hr
Jun 2, 7:13 PM MDTSevere Thunderstorm WarningUNR40 min
Jun 4, 1:32 PM MDTMesoscale DiscussionSPC88 min
Jun 4, 2:04 PM MDTSevere Thunderstorm WatchSPC7 hr
Jun 4, 2:39 PM MDTSevere Thunderstorm WarningUNR19 min
Jun 4, 3:23 PM MDTSevere Thunderstorm WarningUNR53 min
Jun 4, 3:35 PM MDTSevere Thunderstorm WarningUNR15 min
Jun 4, 4:46 PM MDTMesoscale DiscussionSPC89 min
Jun 6, 5:38 PM MDTSpecial Weather StatementUNR37 min
Jun 7, 1:50 PM MDTMesoscale DiscussionSPC115 min
Jun 7, 2:58 PM MDTSevere Thunderstorm Watch PDSSPC11 hr
Jun 7, 3:59 PM MDTSevere Thunderstorm WarningUNR16 min
Jun 7, 4:14 PM MDTSevere Thunderstorm WarningUNR31 min
Jun 20, 5:11 PM MDTSevere Thunderstorm WarningUNR64 min
Jun 20, 6:12 PM MDTSevere Thunderstorm WarningUNR24 min
Jun 20, 6:27 PM MDTMesoscale DiscussionSPC93 min
Jun 22, 12:36 PM MDTSevere Thunderstorm WatchSPC9 hr
Jun 22, 6:20 PM MDTMesoscale DiscussionSPC85 min
Jun 22, 6:56 PM MDTSevere Thunderstorm WarningUNR64 min
Jun 22, 10:44 PM MDTMesoscale DiscussionSPC2 hr
Jun 26, 4:29 PM MDTSevere Thunderstorm WatchSPC7 hr
Jun 26, 4:52 PM MDTSevere Thunderstorm WarningUNR35 min
Jun 26, 5:40 PM MDTSevere Thunderstorm WarningUNR65 min
Jun 26, 7:18 PM MDTSevere Thunderstorm WarningUNR27 min
Jun 27, 1:02 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 2, 3:35 PM MDTMesoscale DiscussionSPC115 min
Jul 2, 4:06 PM MDTSevere Thunderstorm WatchSPC10 hr
Jul 3, 12:14 PM MDTSevere Thunderstorm WatchSPC8 hr
Jul 3, 1:05 PM MDTSpecial Weather StatementUNR25 min
Jul 3, 1:31 PM MDTSpecial Weather StatementUNR29 min
Jul 3, 1:34 PM MDTSevere Thunderstorm WarningUNR17 min
Jul 3, 2:04 PM MDTSevere Thunderstorm WarningUNR26 min
Jul 3, 2:20 PM MDTSevere Thunderstorm WarningUNR45 min
Jul 3, 2:55 PM MDTSevere Thunderstorm WarningUNR49 min
Jul 3, 3:45 PM MDTSpecial Weather StatementUNR30 min
Jul 7, 4:24 PM MDTSevere Thunderstorm WatchSPC7 hr
Jul 7, 5:44 PM MDTSevere Thunderstorm WarningUNR61 min
Jul 7, 6:37 PM MDTSevere Thunderstorm WarningUNR16 min
Jul 8, 1:39 PM MDTMesoscale DiscussionSPC2 hr
Jul 8, 7:05 PM MDTSevere Thunderstorm WarningUNR25 min
Jul 9, 11:34 AM MDTExtreme Heat WatchUNR20 hr
Jul 10, 7:32 AM MDTHeat AdvisoryUNR11 days
Jul 10, 12:21 PM MDTFire Weather WatchUNR24 hr
Jul 11, 11:55 AM MDTRed Flag WarningUNR3 days
Jul 16, 4:59 PM MDTSpecial Weather StatementUNR31 min
Jul 18, 4:47 PM MDTSpecial Weather StatementUNR28 min
Jul 18, 5:17 PM MDTSpecial Weather StatementUNR43 min
Jul 19, 7:36 PM MDTSevere Thunderstorm WarningUNR39 min
Jul 19, 8:14 PM MDTSevere Thunderstorm WarningUNR46 min
Jul 24, 9:34 AM MDTHeat AdvisoryUNR58 hr
Jul 24, 9:37 AM MDTRed Flag WarningUNR34 hr
Jul 26, 2:26 PM MDTMesoscale DiscussionSPC94 min
Jul 26, 9:01 PM MDTSpecial Weather StatementUNR29 min
Jul 26, 9:30 PM MDTSpecial Weather StatementUNR30 min
Jul 26, 9:56 PM MDTSevere Thunderstorm WarningUNR49 min
Jul 29, 1:31 PM MDTSpecial Weather StatementUNR44 min
Jul 29, 1:52 PM MDTMesoscale DiscussionSPC113 min
Jul 29, 4:12 PM MDTSpecial Weather StatementUNR48 min
Jul 30, 12:51 PM MDTSpecial Weather StatementUNR24 min
Aug 5, 11:13 AM MDTRed Flag WarningUNR33 hr
Aug 7, 5:46 PM MDTRed Flag WarningUNR26 hr
Aug 10, 1:14 AM MDTRed Flag WarningUNR19 hr
Aug 12, 12:45 PM MDTMesoscale DiscussionSPC2 hr
Aug 12, 1:06 PM MDTSevere Thunderstorm WatchSPC7 hr
Aug 30, 1:28 PM MDTSevere Thunderstorm WatchSPC5 hr
Aug 30, 2:54 PM MDTSpecial Weather StatementUNR51 min
Sep 3, 9:19 PM MDTRed Flag WarningUNR23 hr
Sep 6, 9:40 PM MDTRed Flag WarningUNR21 hr
Sep 6, 10:49 PM MDTSevere Thunderstorm WarningUNR56 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.