Alert archive / Iowa / Decatur County

Weather alerts in Decatur County, Iowa, 2026

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

Decatur County and its neighbors

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

Alerts
123
Warnings
42
Watches
33
Advisories
18
Busiest month
June31 alerts
Busiest day
June 10, 20269 alerts

Over time

By month

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.

IssuedProductOfficeLasted
Jan 5, 8:25 PM CSTDense Fog AdvisoryDMX19 hr
Jan 16, 1:57 PM CSTSpecial Weather StatementDMX48 min
Jan 20, 2:30 PM CSTExtreme Cold WatchDMX45 hr
Jan 21, 2:29 AM CSTWind AdvisoryDMX12 hr
Jan 21, 11:27 AM CSTHigh Wind WarningDMX8 hr
Jan 22, 2:28 AM CSTExtreme Cold WarningDMX34 hr
Jan 22, 11:08 AM CSTCold Weather AdvisoryDMX40 hr
Jan 25, 2:04 AM CSTCold Weather AdvisoryDMX31 hr
Feb 15, 1:40 AM CSTDense Fog AdvisoryDMX7 hr
Feb 17, 2:41 PM CSTFire Weather WatchDMX6 hr
Feb 17, 8:15 PM CSTRed Flag WarningDMX23 hr
Feb 26, 9:40 PM CSTRed Flag WarningDMX20 hr
Mar 4, 9:55 PM CSTDense Fog AdvisoryDMX11 hr
Mar 6, 3:16 PM CSTTornado WatchSPC9 hr
Mar 6, 5:23 PM CSTMesoscale DiscussionSPC2 hr
Mar 6, 9:43 PM CSTMesoscale DiscussionSPC2 hr
Mar 12, 10:04 AM CDTWind AdvisoryDMX26 hr
Mar 14, 3:09 AM CDTHigh Wind WatchDMX8 hr
Mar 14, 11:34 AM CDTBlizzard WarningDMX43 hr
Mar 14, 11:37 AM CDTHigh Wind WarningDMX40 hr
Mar 16, 5:37 AM CDTWinter Weather AdvisoryDMX4 hr
Mar 20, 9:07 PM CDTRed Flag WarningDMX25 hr
Mar 26, 1:42 PM CDTFire Weather WatchDMX22 hr
Mar 26, 1:42 PM CDTRed Flag WarningDMX31 hr
Mar 27, 11:52 AM CDTRed Flag WarningDMX33 hr
Apr 2, 12:28 PM CDTMesoscale DiscussionSPC3 hr
Apr 2, 1:37 PM CDTSevere Thunderstorm WarningDMX53 min
Apr 2, 1:43 PM CDTTornado WatchSPC8 hr
Apr 3, 1:26 PM CDTMesoscale DiscussionSPC2 hr
Apr 3, 2:20 PM CDTTornado WatchSPC6 hr
Apr 6, 1:20 PM CDTWinter Weather AdvisoryDMX21 hr
Apr 7, 12:36 AM CDTMesoscale DiscussionSPC6 hr
Apr 14, 7:28 PM CDTMesoscale DiscussionSPC2 hr
Apr 14, 9:56 PM CDTSevere Thunderstorm WatchSPC4 hr
Apr 15, 12:45 AM CDTSevere Thunderstorm WarningDMX45 min
Apr 15, 2:14 PM CDTMesoscale DiscussionSPC2 hr
Apr 15, 3:40 PM CDTTornado WatchSPC6 hr
Apr 15, 4:31 PM CDTSevere Thunderstorm WarningDMX44 min
Apr 15, 4:58 PM CDTTornado WarningDMX34 min
Apr 15, 5:24 PM CDTSevere Thunderstorm WarningDMX17 min
Apr 17, 12:40 PM CDTTornado WatchSPC9 hr
Apr 17, 2:59 PM CDTSevere Thunderstorm WarningDMX46 min
Apr 23, 5:04 PM CDTMesoscale DiscussionSPC116 min
Apr 23, 5:56 PM CDTSevere Thunderstorm WatchSPC6 hr
Apr 23, 7:41 PM CDTMesoscale DiscussionSPC2 hr
Apr 23, 7:59 PM CDTSevere Thunderstorm WarningDMX61 min
Apr 23, 8:15 PM CDTTornado WarningDMX45 min
Apr 23, 8:38 PM CDTSevere Thunderstorm WarningDMX52 min
Apr 23, 8:39 PM CDTTornado WarningDMX33 min
Apr 23, 8:49 PM CDTTornado WarningDMX41 min
May 1, 2:34 AM CDTFrost AdvisoryDMX29 hr
May 15, 7:27 PM CDTSevere Thunderstorm Warning Considerable damage threatDMX63 min
May 15, 8:06 PM CDTSevere Thunderstorm WarningDMX39 min
May 16, 3:20 PM CDTMesoscale DiscussionSPC85 min
May 16, 4:40 PM CDTTornado WatchSPC6 hr
May 16, 6:46 PM CDTSevere Thunderstorm Warning Considerable damage threatDMX59 min
May 16, 6:46 PM CDTMesoscale DiscussionSPC89 min
May 16, 7:35 PM CDTSevere Thunderstorm WarningDMX36 min
May 16, 10:01 PM CDTFlood WatchDMX10 hr
May 17, 7:40 PM CDTMesoscale DiscussionSPC65 min
May 17, 8:07 PM CDTTornado WatchSPC5 hr
May 17, 9:30 PM CDTMesoscale DiscussionSPC90 min
May 18, 10:51 AM CDTFlood WatchDMX16 hr
May 18, 3:29 PM CDTMesoscale DiscussionSPC2 hr
May 18, 3:49 PM CDTTornado WatchSPC6 hr
May 18, 7:06 PM CDTTornado Warning Tornado observedDMX39 min
May 18, 8:54 PM CDTMesoscale DiscussionSPC3 hr
May 18, 9:17 PM CDTFlash Flood WarningDMX6 hr
Jun 4, 3:54 AM CDTFlood WatchDMX27 hr
Jun 5, 12:43 PM CDTFlood WatchDMX17 hr
Jun 5, 8:19 PM CDTMesoscale DiscussionSPC86 min
Jun 5, 9:50 PM CDTSevere Thunderstorm WatchSPC5 hr
Jun 5, 11:33 PM CDTMesoscale DiscussionSPC87 min
Jun 8, 2:11 PM CDTHeat AdvisoryDMX30 hr
Jun 10, 7:43 AM CDTMesoscale DiscussionSPC2 hr
Jun 10, 11:02 AM CDTFlood WatchDMX29 hr
Jun 10, 1:35 PM CDTMesoscale DiscussionSPC2 hr
Jun 10, 2:12 PM CDTTornado WatchSPC9 hr
Jun 10, 3:42 PM CDTSevere Thunderstorm WarningDMX48 min
Jun 10, 3:44 PM CDTTornado WarningDMX46 min
Jun 10, 3:50 PM CDTMesoscale DiscussionSPC85 min
Jun 10, 4:27 PM CDTSevere Thunderstorm WarningDMX48 min
Jun 10, 4:27 PM CDTMesoscale DiscussionSPC63 min
Jun 11, 2:13 AM CDTSevere Thunderstorm WatchSPC8 hr
Jun 11, 4:59 AM CDTMesoscale DiscussionSPC2 hr
Jun 11, 6:29 AM CDTSevere Thunderstorm WarningDMX20 min
Jun 11, 6:33 AM CDTMesoscale DiscussionSPC87 min
Jun 11, 6:43 AM CDTSevere Thunderstorm Warning Considerable damage threatDMX47 min
Jun 11, 7:15 AM CDTSevere Thunderstorm Warning Destructive damage threatDMX45 min
Jun 11, 7:49 AM CDTSevere Thunderstorm Warning Considerable damage threatDMX56 min
Jun 11, 2:02 PM CDTRiver Flood WatchDMX13 hr
Jun 13, 9:07 AM CDTSevere Thunderstorm WatchSPC5 hr
Jun 13, 10:54 AM CDTSevere Thunderstorm WarningDMX51 min
Jun 13, 11:48 AM CDTSevere Thunderstorm WarningDMX27 min
Jun 13, 11:51 AM CDTMesoscale DiscussionSPC84 min
Jun 17, 12:19 AM CDTWind AdvisoryDMX20 hr
Jun 20, 12:32 PM CDTFlood WatchDMX24 hr
Jun 27, 1:18 AM CDTExtreme Heat WatchDMX24 hr
Jun 27, 12:50 PM CDTExtreme Heat WarningDMX6 days
Jul 19, 12:53 PM CDTHeat AdvisoryDMX31 hr
Jul 24, 2:27 AM CDTExtreme Heat WatchDMX57 hr
Jul 25, 2:53 AM CDTExtreme Heat WarningDMX67 hr
Jul 25, 4:48 AM CDTDense Fog AdvisoryDMX5 hr
Jul 27, 12:49 PM CDTMesoscale DiscussionSPC116 min
Aug 5, 5:41 AM CDTSevere Thunderstorm WarningDMX49 min
Aug 5, 7:12 AM CDTFlash Flood WarningDMX6 hr
Aug 5, 9:02 AM CDTRiver Flood WatchDMX25 hr
Aug 6, 12:43 AM CDTDense Fog AdvisoryDMX9 hr
Aug 7, 2:52 AM CDTDense Fog AdvisoryDMX6 hr
Aug 7, 1:16 PM CDTMesoscale DiscussionSPC119 min
Aug 8, 11:18 PM CDTMesoscale DiscussionSPC117 min
Aug 10, 4:35 AM CDTSpecial Weather StatementDMX25 min
Aug 12, 2:24 AM CDTSevere Thunderstorm WatchSPC8 hr
Aug 13, 2:53 AM CDTFlood WatchDMX55 hr
Aug 30, 1:32 PM CDTHeat AdvisoryDMX6 days
Sep 6, 4:42 PM CDTSevere Thunderstorm WatchSPC5 hr
Sep 13, 8:19 PM CDTFlood WatchDMX3 days
Sep 16, 8:20 PM CDTDense Fog AdvisoryDMX14 hr
Sep 19, 6:52 PM CDTSevere Thunderstorm WarningDMX38 min
Sep 19, 7:05 PM CDTMesoscale DiscussionSPC85 min
Sep 19, 7:23 PM CDTSevere Thunderstorm WarningDMX37 min
Sep 19, 7:30 PM CDTSevere Thunderstorm Warning Considerable damage threatDMX30 min
Sep 28, 1:42 PM CDTFlood WatchDMX3 days

By product

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

ProductAlerts
Severe storms
Severe Thunderstorm Warning23
Tornado Warning6
Severe Thunderstorm Watch7
Tornado Watch9
Mesoscale Discussion28
Special Weather Statement2
Flooding
Flash Flood Warning2
Flood Watch9
River Flood Watch2
Winter
Blizzard Warning1
Winter Weather Advisory2
Heat
Extreme Heat Warning2
Extreme Heat Watch2
Heat Advisory3
Cold
Extreme Cold Warning1
Extreme Cold Watch1
Cold Weather Advisory2
Frost Advisory1
Wind and dust
High Wind Warning2
High Wind Watch1
Wind Advisory3
Fire
Red Flag Warning5
Fire Weather Watch2
Fog and smoke
Dense Fog Advisory7

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 10, 20269alerts
  2. April 15, 20268alerts
  3. June 11, 20268alerts
  4. April 24, 20266alerts
  5. May 16, 20266alerts
  6. May 18, 20266alerts
  7. June 13, 20264alerts
  8. March 14, 20263alerts
  9. April 2, 20263alerts
  10. May 19, 20263alerts

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.