Alert archive / Illinois / Mason County / 2026

Weather alerts in Mason County, Illinois, June 2026

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

Alerts
50
Warnings
25
Watches
10
Advisories
4
Busiest day
June 11, 202618 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
Jun 8, 1:37 AM CDTFlood WatchILX23 hr
Jun 10, 11:05 AM CDTFlood WatchILX17 hr
Jun 10, 11:09 AM CDTMesoscale DiscussionSPC2 hr
Jun 10, 1:34 PM CDTSevere Thunderstorm WarningILX26 min
Jun 10, 2:03 PM CDTSevere Thunderstorm WarningILX27 min
Jun 10, 2:06 PM CDTMesoscale DiscussionSPC54 min
Jun 10, 2:11 PM CDTSevere Thunderstorm WarningILX49 min
Jun 10, 2:27 PM CDTSevere Thunderstorm WarningILX33 min
Jun 10, 2:40 PM CDTSevere Thunderstorm WatchSPC4 hr
Jun 10, 3:00 PM CDTSevere Thunderstorm WarningILX30 min
Jun 10, 6:35 PM CDTMesoscale DiscussionSPC55 min
Jun 10, 7:06 PM CDTTornado WatchSPC4 hr
Jun 10, 7:55 PM CDTMesoscale DiscussionSPC95 min
Jun 10, 8:24 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 10, 10:00 PM CDTFlash Flood WarningILX4 hr
Jun 10, 10:36 PM CDTSevere Thunderstorm WarningILX24 min
Jun 10, 11:05 PM CDTSevere Thunderstorm WarningILX40 min
Jun 11, 9:53 AM CDTMesoscale DiscussionSPC97 min
Jun 11, 11:37 AM CDTRiver Flood WarningILX37 days
Jun 11, 11:39 AM CDTFlood WatchILX9 hr
Jun 11, 12:22 PM CDTMesoscale DiscussionSPC83 min
Jun 11, 1:57 PM CDTTornado WatchSPC7 hr
Jun 11, 3:07 PM CDTMesoscale DiscussionSPC113 min
Jun 11, 5:19 PM CDTTornado WarningILX41 min
Jun 11, 5:49 PM CDTSevere Thunderstorm Warning Considerable damage threatILX41 min
Jun 11, 5:51 PM CDTSevere Thunderstorm Warning Considerable damage threatILX39 min
Jun 11, 5:59 PM CDTTornado WarningILX31 min
Jun 11, 6:14 PM CDTMesoscale DiscussionSPC91 min
Jun 11, 6:30 PM CDTSevere Thunderstorm Warning Considerable damage threatILX45 min
Jun 11, 7:01 PM CDTFlash Flood WarningILX4 hr
Jun 16, 12:28 PM CDTWind AdvisoryILX30 hr
Jun 17, 7:49 AM CDTTornado WatchSPC6 hr
Jun 17, 8:16 AM CDTMesoscale DiscussionSPC59 min
Jun 17, 9:45 AM CDTSevere Thunderstorm WarningILX60 min
Jun 17, 1:03 PM CDTMesoscale DiscussionSPC117 min
Jun 17, 2:14 PM CDTTornado WatchSPC11 hr
Jun 17, 2:53 PM CDTSevere Thunderstorm WarningILX50 min
Jun 17, 3:50 PM CDTSevere Thunderstorm WarningILX55 min
Jun 17, 3:52 PM CDTSevere Thunderstorm WarningILX26 min
Jun 17, 3:57 PM CDTSevere Thunderstorm WarningILX63 min
Jun 17, 4:00 PM CDTMesoscale DiscussionSPC60 min
Jun 17, 4:14 PM CDTSevere Thunderstorm WarningILX28 min
Jun 17, 4:29 PM CDTSevere Thunderstorm WarningILX61 min
Jun 17, 5:26 PM CDTSevere Thunderstorm WarningILX34 min
Jun 20, 1:45 AM CDTFlood WatchILX45 hr
Jun 20, 7:14 PM CDTRiver Flood WarningILX49 hr
Jun 27, 11:14 AM CDTHeat AdvisoryILX32 hr
Jun 28, 2:13 AM CDTHeat AdvisoryILX46 hr
Jun 28, 2:34 AM CDTDense Fog AdvisoryILX6 hr
Jun 30, 12:23 AM CDTExtreme Heat WarningILX4 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 Warning18
Tornado Warning2
Severe Thunderstorm Watch2
Tornado Watch4
Mesoscale Discussion11
Flooding
Flash Flood Warning2
River Flood Warning2
Flood Watch4
Heat
Extreme Heat Warning1
Heat Advisory2
Wind and dust
Wind Advisory1
Fog and smoke
Dense Fog Advisory1

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.