Alert archive / Illinois / Johnson County / 2026

Weather alerts in Johnson County, Illinois, March 2026

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

Alerts
24
Warnings
11
Watches
2
Advisories
4
Busiest day
March 5, 20266 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

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 4, 1:28 PM CSTMesoscale DiscussionSPC3 hr
Mar 4, 2:32 PM CSTSevere Thunderstorm WatchSPC8 hr
Mar 4, 5:30 PM CSTMesoscale DiscussionSPC2 hr
Mar 4, 10:13 PM CSTSpecial Weather StatementPAH47 min
Mar 4, 10:22 PM CSTSevere Thunderstorm WarningPAH53 min
Mar 4, 10:51 PM CSTMesoscale DiscussionSPC114 min
Mar 4, 11:43 PM CSTAreal Flood AdvisoryPAH8 hr
Mar 5, 12:49 AM CSTFlash Flood WarningPAH7 hr
Mar 5, 7:51 AM CSTAreal Flood WarningPAH3 hr
Mar 7, 2:44 AM CSTMesoscale DiscussionSPC2 hr
Mar 7, 5:40 AM CSTMesoscale DiscussionSPC2 hr
Mar 7, 7:17 AM CSTSevere Thunderstorm WarningPAH28 min
Mar 10, 11:16 PM CDTWind AdvisoryPAH17 hr
Mar 14, 10:45 AM CDTWind AdvisoryPAH26 hr
Mar 15, 10:45 AM CDTHigh Wind WarningPAH8 hr
Mar 15, 12:59 PM CDTWind AdvisoryPAH18 hr
Mar 15, 3:27 PM CDTMesoscale DiscussionSPC93 min
Mar 15, 3:57 PM CDTTornado WatchSPC7 hr
Mar 15, 6:52 PM CDTSevere Thunderstorm WarningPAH38 min
Mar 15, 7:34 PM CDTTornado WarningPAH15 min
Mar 15, 7:36 PM CDTTornado WarningPAH39 min
Mar 15, 7:56 PM CDTTornado WarningPAH28 min
Mar 27, 1:41 AM CDTFreeze WarningPAH31 hr
Mar 29, 1:31 PM CDTRed Flag WarningPAH5 hr

By product

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

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.