Alert archive / Illinois / Brown County / 2026

Weather alerts in Brown County, Illinois, April 2026

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

Alerts
21
Warnings
10
Watches
6
Advisories
1
Busiest day
April 17, 20264 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
Apr 2, 3:46 AM CDTWind AdvisoryLSX15 hr
Apr 2, 1:43 PM CDTTornado WatchSPC8 hr
Apr 2, 3:41 PM CDTMesoscale DiscussionSPC94 min
Apr 3, 1:26 PM CDTMesoscale DiscussionSPC2 hr
Apr 3, 2:20 PM CDTTornado WatchSPC6 hr
Apr 3, 5:15 PM CDTSevere Thunderstorm WarningLSX25 min
Apr 3, 11:52 PM CDTRiver Flood WarningILX39 days
Apr 14, 4:23 AM CDTSevere Thunderstorm WarningLSX39 min
Apr 15, 6:15 PM CDTMesoscale DiscussionSPC2 hr
Apr 15, 6:50 PM CDTTornado WatchSPC4 hr
Apr 17, 7:57 AM CDTFlood WatchLSX19 hr
Apr 17, 3:04 PM CDTMesoscale DiscussionSPC56 min
Apr 17, 3:31 PM CDTTornado WatchSPC8 hr
Apr 17, 4:22 PM CDTSevere Thunderstorm WarningLSX38 min
Apr 17, 7:21 PM CDTSevere Thunderstorm Warning Considerable damage threatLSX54 min
Apr 17, 8:12 PM CDTSevere Thunderstorm WarningLSX17 min
Apr 27, 8:31 AM CDTSevere Thunderstorm WatchSPC5 hr
Apr 27, 4:20 PM CDTSevere Thunderstorm WarningLSX55 min
Apr 27, 4:34 PM CDTTornado WarningLSX29 min
Apr 27, 5:20 PM CDTFlash Flood WarningLSX3 hr
Apr 28, 11:25 AM CDTRiver Flood WarningLSX25 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. Warning verification from the Mesonet's Cow. Rebuilt daily.