Alert archive / Illinois / Johnson County

Weather alerts in Johnson County, Illinois, 2025

157 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Johnson County and its neighbors

Each county as a circle sized by its count in 2025. Tap one for its archive.

Alerts
157
Warnings
41
Watches
24
Advisories
47
Busiest month
April37 alerts
Busiest day
May 16, 20258 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 2, 2:18 PM CSTWinter Storm WatchPAH35 hr
Jan 4, 1:46 AM CSTIce Storm WarningPAH50 hr
Jan 4, 1:46 AM CSTWinter Weather AdvisoryPAH58 hr
Jan 5, 2:40 AM CSTMesoscale DiscussionSPC5 hr
Jan 5, 7:56 AM CSTMesoscale DiscussionSPC4 hr
Jan 8, 1:39 PM CSTWinter Storm WarningPAH55 hr
Jan 8, 1:39 PM CSTWinter Weather AdvisoryPAH12 hr
Jan 18, 1:24 PM CSTCold Weather AdvisoryPAH47 hr
Jan 20, 12:13 PM CSTCold Weather AdvisoryPAH27 hr
Jan 21, 2:52 AM CSTCold Weather AdvisoryPAH30 hr
Jan 29, 12:43 PM CSTFlood WatchPAH37 hr
Jan 31, 4:45 PM CSTSpecial Weather StatementPAH45 min
Feb 10, 1:43 PM CSTWinter Weather AdvisoryPAH20 hr
Feb 13, 1:30 AM CSTFlood WatchPAH3 days
Feb 16, 1:53 AM CSTWinter Weather AdvisoryPAH6 hr
Feb 16, 1:33 PM CSTWinter Storm WatchPAH24 hr
Feb 17, 2:20 AM CSTWinter Storm WarningPAH54 hr
Feb 18, 12:42 PM CSTCold Weather AdvisoryPAH45 hr
Feb 18, 6:01 PM CSTMesoscale DiscussionSPC3 hr
Mar 3, 1:52 PM CSTWind AdvisoryPAH52 hr
Mar 4, 3:44 AM CSTWind AdvisoryPAH38 hr
Mar 4, 7:46 PM CSTWind AdvisoryPAH22 hr
Mar 13, 2:30 AM CDTWind AdvisoryPAH50 hr
Mar 14, 7:34 PM CDTTornado Watch PDSSPC10 hr
Mar 14, 11:50 PM CDTMesoscale DiscussionSPC115 min
Mar 15, 12:32 AM CDTSevere Thunderstorm Warning Considerable damage threatPAH43 min
Mar 15, 12:58 AM CDTTornado WarningPAH32 min
Mar 15, 1:26 AM CDTTornado Warning Considerable damage threatPAH49 min
Mar 15, 1:33 AM CDTTornado WarningPAH42 min
Mar 15, 2:05 AM CDTSevere Thunderstorm Warning Considerable damage threatPAH40 min
Mar 18, 11:01 AM CDTWind AdvisoryPAH37 hr
Mar 18, 9:06 PM CDTRed Flag WarningPAH23 hr
Mar 20, 2:41 PM CDTRed Flag WarningPAH28 hr
Mar 30, 2:35 PM CDTTornado WatchSPC8 hr
Mar 30, 5:20 PM CDTMesoscale DiscussionSPC115 min
Mar 30, 6:10 PM CDTSevere Thunderstorm WarningPAH50 min
Mar 30, 6:22 PM CDTSevere Thunderstorm Warning Considerable damage threatPAH38 min
Mar 30, 6:24 PM CDTTornado WarningPAH12 min
Mar 30, 6:48 PM CDTSevere Thunderstorm WarningPAH42 min
Mar 31, 12:40 PM CDTFlood WatchPAH6 days
Apr 1, 12:43 PM CDTWind AdvisoryPAH35 hr
Apr 2, 12:51 PM CDTMesoscale DiscussionSPC114 min
Apr 2, 2:52 PM CDTTornado Watch PDSSPC9 hr
Apr 2, 5:35 PM CDTMesoscale DiscussionSPC115 min
Apr 2, 5:58 PM CDTSevere Thunderstorm WarningPAH47 min
Apr 2, 6:28 PM CDTSevere Thunderstorm WarningPAH47 min
Apr 2, 6:37 PM CDTTornado WarningPAH38 min
Apr 2, 6:54 PM CDTSevere Thunderstorm WarningPAH51 min
Apr 2, 7:10 PM CDTSevere Thunderstorm Warning Considerable damage threatPAH50 min
Apr 2, 7:20 PM CDTTornado Warning Tornado observedPAH40 min
Apr 2, 7:28 PM CDTTornado WarningPAH47 min
Apr 2, 7:33 PM CDTMesoscale DiscussionSPC117 min
Apr 2, 7:53 PM CDTSevere Thunderstorm Warning Considerable damage threatPAH52 min
Apr 2, 7:54 PM CDTTornado Warning Tornado observedPAH51 min
Apr 4, 2:56 PM CDTTornado WatchSPC7 hr
Apr 4, 8:54 PM CDTSevere Thunderstorm Warning Considerable damage threatPAH54 min
Apr 4, 9:04 PM CDTTornado WarningPAH26 min
Apr 4, 9:23 PM CDTMesoscale DiscussionSPC67 min
Apr 4, 9:30 PM CDTFlash Flood WarningPAH24 hr
Apr 4, 9:41 PM CDTTornado WatchSPC5 hr
Apr 5, 8:56 PM CDTAreal Flood WarningPAH37 hr
Apr 6, 1:21 AM CDTFreeze WatchPAH24 hr
Apr 7, 1:23 AM CDTFreeze WarningPAH32 hr
Apr 7, 9:05 AM CDTAreal Flood WarningPAH48 hr
Apr 10, 12:55 PM CDTMesoscale DiscussionSPC3 hr
Apr 10, 2:06 PM CDTSevere Thunderstorm WarningPAH13 min
Apr 10, 2:22 PM CDTSevere Thunderstorm WatchSPC5 hr
Apr 10, 2:34 PM CDTSpecial Weather StatementPAH26 min
Apr 11, 12:27 PM CDTFrost AdvisoryPAH20 hr
Apr 20, 3:41 PM CDTTornado WatchSPC7 hr
Apr 20, 7:46 PM CDTMesoscale DiscussionSPC89 min
Apr 20, 11:44 PM CDTMesoscale DiscussionSPC91 min
Apr 29, 8:30 AM CDTMesoscale DiscussionSPC90 min
Apr 29, 12:52 PM CDTMesoscale DiscussionSPC83 min
Apr 29, 1:29 PM CDTSevere Thunderstorm WatchSPC4 hr
Apr 29, 2:03 PM CDTSevere Thunderstorm WarningPAH42 min
Apr 29, 2:35 PM CDTSpecial Weather StatementPAH40 min
May 1, 6:19 PM CDTMesoscale DiscussionSPC116 min
May 1, 8:06 PM CDTSpecial Weather StatementPAH24 min
May 1, 8:49 PM CDTSpecial Weather StatementPAH41 min
May 6, 2:15 AM CDTDense Fog AdvisoryPAH7 hr
May 8, 1:31 PM CDTSpecial Weather StatementPAH89 min
May 13, 2:51 AM CDTDense Fog AdvisoryPAH5 hr
May 16, 1:46 AM CDTMesoscale DiscussionSPC119 min
May 16, 1:55 AM CDTSevere Thunderstorm WarningPAH50 min
May 16, 2:28 AM CDTSevere Thunderstorm WatchSPC9 hr
May 16, 5:32 AM CDTMesoscale DiscussionSPC58 min
May 16, 2:08 PM CDTMesoscale DiscussionSPC2 hr
May 16, 2:59 PM CDTTornado WatchSPC8 hr
May 16, 5:06 PM CDTMesoscale DiscussionSPC114 min
May 16, 6:56 PM CDTMesoscale DiscussionSPC2 hr
May 19, 8:26 PM CDTTornado WatchSPC7 hr
May 20, 1:07 AM CDTMesoscale DiscussionSPC83 min
May 20, 1:19 AM CDTSevere Thunderstorm WarningPAH41 min
May 20, 1:46 AM CDTTornado Warning Tornado observedPAH14 min
May 20, 1:54 AM CDTSevere Thunderstorm WarningPAH32 min
May 20, 1:09 PM CDTTornado WatchSPC8 hr
May 21, 12:33 PM CDTLake Wind AdvisoryPAH6 hr
May 30, 8:42 AM CDTLake Wind AdvisoryPAH9 hr
May 31, 1:54 AM CDTLake Wind AdvisoryPAH16 hr
Jun 3, 1:40 AM CDTLake Wind AdvisoryPAH17 hr
Jun 5, 1:13 AM CDTAreal Flood AdvisoryPAH3 hr
Jun 6, 11:49 AM CDTMesoscale DiscussionSPC116 min
Jun 6, 1:11 PM CDTTornado WatchSPC7 hr
Jun 6, 1:34 PM CDTSevere Thunderstorm WarningPAH41 min
Jun 6, 1:58 PM CDTSevere Thunderstorm WarningPAH47 min
Jun 7, 11:23 PM CDTSevere Thunderstorm WarningPAH37 min
Jun 7, 11:50 PM CDTMesoscale DiscussionSPC85 min
Jun 16, 1:40 AM CDTFlood WatchPAH22 hr
Jun 18, 2:13 AM CDTLake Wind AdvisoryPAH17 hr
Jun 18, 7:59 AM CDTMesoscale DiscussionSPC2 hr
Jun 18, 1:44 PM CDTMesoscale DiscussionSPC91 min
Jun 18, 2:07 PM CDTTornado WatchSPC6 hr
Jun 20, 1:51 AM CDTHeat AdvisoryPAH8 days
Jul 6, 12:09 PM CDTMesoscale DiscussionSPC2 hr
Jul 8, 2:13 AM CDTDense Fog AdvisoryPAH6 hr
Jul 10, 3:40 AM CDTDense Fog AdvisoryPAH5 hr
Jul 12, 11:42 AM CDTMesoscale DiscussionSPC3 hr
Jul 13, 1:18 PM CDTMesoscale DiscussionSPC2 hr
Jul 16, 1:46 AM CDTHeat AdvisoryPAH17 hr
Jul 16, 9:57 PM CDTHeat AdvisoryPAH21 hr
Jul 17, 12:53 PM CDTMesoscale DiscussionSPC2 hr
Jul 17, 4:51 PM CDTAreal Flood AdvisoryPAH3 hr
Jul 18, 1:35 AM CDTHeat AdvisoryPAH17 hr
Jul 18, 12:20 PM CDTMesoscale DiscussionSPC115 min
Jul 18, 6:09 PM CDTAreal Flood AdvisoryPAH3 hr
Jul 19, 2:48 AM CDTHeat AdvisoryPAH17 hr
Jul 19, 2:48 AM CDTExtreme Heat WarningPAH6 days
Jul 19, 4:35 PM CDTAreal Flood AdvisoryPAH3 hr
Jul 19, 7:46 PM CDTHeat AdvisoryPAH9 days
Jul 25, 1:41 PM CDTExtreme Heat WatchPAH3 days
Jul 27, 1:50 PM CDTExtreme Heat WarningPAH3 days
Aug 4, 4:11 PM CDTSpecial Weather StatementPAH49 min
Aug 4, 4:35 PM CDTAreal Flood AdvisoryPAH3 hr
Aug 16, 1:41 AM CDTHeat AdvisoryPAH4 days
Aug 19, 3:14 PM CDTSevere Thunderstorm WarningPAH46 min
Sep 14, 3:12 PM CDTMesoscale DiscussionSPC2 hr
Oct 18, 4:48 PM CDTMesoscale DiscussionSPC87 min
Oct 23, 2:13 AM CDTFrost AdvisoryPAH30 hr
Oct 31, 1:26 PM CDTFreeze WatchPAH24 hr
Nov 7, 9:25 PM CSTDense Fog AdvisoryPAH13 hr
Nov 18, 2:56 PM CSTMesoscale DiscussionSPC2 hr
Nov 18, 5:33 PM CSTSpecial Weather StatementPAH42 min
Nov 18, 6:09 PM CSTMesoscale DiscussionSPC2 hr
Nov 20, 7:26 PM CSTDense Fog AdvisoryPAH10 hr
Nov 22, 9:54 PM CSTDense Fog AdvisoryPAH13 hr
Nov 23, 5:54 PM CSTDense Fog AdvisoryPAH15 hr
Nov 30, 12:16 PM CSTWinter Weather AdvisoryPAH39 hr
Dec 12, 1:31 PM CSTCold Weather AdvisoryPAH46 hr
Dec 18, 10:26 AM CSTWind AdvisoryPAH14 hr
Dec 18, 10:44 AM CSTMesoscale DiscussionSPC2 hr
Dec 23, 7:09 PM CSTDense Fog AdvisoryPAH17 hr
Dec 26, 11:32 PM CSTDense Fog AdvisoryPAH12 hr
Dec 28, 8:28 AM CSTWind AdvisoryPAH26 hr
Dec 28, 2:47 PM CSTTornado WatchSPC6 hr
Dec 28, 3:49 PM CSTMesoscale DiscussionSPC86 min
Dec 28, 6:15 PM CSTSpecial Weather StatementPAH60 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 archive20242026

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.