Alert archive / Illinois / Henry County / Mesoscale Discussions

Mesoscale Discussions in Henry County, Illinois, 2026

33 mesoscale discussions in 2026. An alert counts here when it covered this county. The archive of mesoscale discussions reaches back to 2003.

Henry County and its neighbors

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

Mesoscale Discussions
33
Busiest month
August8 mesoscale discussions
Busiest day
March 31, 20263 mesoscale discussions

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
Mar 10, 1:53 PM CDTMesoscale DiscussionSPC3 hr
Mar 10, 7:21 PM CDTMesoscale DiscussionSPC84 min
Mar 30, 11:29 PM CDTMesoscale DiscussionSPC2 hr
Mar 31, 1:54 AM CDTMesoscale DiscussionSPC96 min
Mar 31, 7:46 AM CDTMesoscale DiscussionSPC89 min
Apr 2, 12:28 PM CDTMesoscale DiscussionSPC3 hr
Apr 2, 3:41 PM CDTMesoscale DiscussionSPC94 min
Apr 2, 4:26 PM CDTMesoscale DiscussionSPC94 min
Apr 13, 11:03 AM CDTMesoscale DiscussionSPC87 min
Apr 15, 6:15 PM CDTMesoscale DiscussionSPC2 hr
Apr 15, 9:26 PM CDTMesoscale DiscussionSPC94 min
Apr 17, 6:25 PM CDTMesoscale DiscussionSPC2 hr
May 4, 3:42 PM CDTMesoscale DiscussionSPC2 hr
Jun 8, 12:58 PM CDTMesoscale DiscussionSPC92 min
Jun 10, 11:09 AM CDTMesoscale DiscussionSPC2 hr
Jun 11, 9:53 AM CDTMesoscale DiscussionSPC97 min
Jun 11, 4:11 PM CDTMesoscale DiscussionSPC94 min
Jun 17, 5:42 AM CDTMesoscale DiscussionSPC2 hr
Jun 17, 8:16 AM CDTMesoscale DiscussionSPC59 min
Jul 1, 2:34 PM CDTMesoscale DiscussionSPC116 min
Jul 2, 11:43 PM CDTMesoscale DiscussionSPC2 hr
Jul 3, 11:15 AM CDTMesoscale DiscussionSPC2 hr
Jul 3, 5:05 PM CDTMesoscale DiscussionSPC115 min
Jul 3, 8:33 PM CDTMesoscale DiscussionSPC117 min
Jul 20, 5:37 PM CDTMesoscale DiscussionSPC53 min
Aug 9, 8:14 PM CDTMesoscale DiscussionSPC2 hr
Aug 9, 10:53 PM CDTMesoscale DiscussionSPC2 hr
Aug 10, 12:47 PM CDTMesoscale DiscussionSPC2 hr
Aug 11, 9:00 AM CDTMesoscale DiscussionSPC2 hr
Aug 11, 8:04 PM CDTMesoscale DiscussionSPC2 hr
Aug 12, 9:04 AM CDTMesoscale DiscussionSPC116 min
Aug 13, 11:03 PM CDTMesoscale DiscussionSPC117 min
Aug 21, 2:22 PM CDTMesoscale DiscussionSPC113 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. March 31, 20263mesoscale discussions
  2. April 2, 20263mesoscale discussions
  3. July 3, 20263mesoscale discussions
  4. August 10, 20263mesoscale discussions
  5. June 11, 20262mesoscale discussions
  6. June 17, 20262mesoscale discussions
  7. August 12, 20262mesoscale discussions
  8. March 10, 20261mesoscale discussions
  9. March 11, 20261mesoscale discussions
  10. April 13, 20261mesoscale discussions

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.