Alert archive / Illinois / Jefferson County

Weather alerts in Jefferson County, Illinois, 2024

128 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Jefferson County and its neighbors

Each county as a circle sized by its count in 2024. Tap one for its archive.

Alerts: 128
Warnings: 34
Watches: 21
Advisories: 30
Busiest month: July30 alerts
Busiest day: July 30, 202412 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.

Issued	Product	Office	Lasted
Jan 8, 2:29 PM CST	Wind Advisory	PAH	37 hr
Jan 11, 2:05 AM CST	Wind Advisory	PAH	46 hr
Jan 13, 3:14 AM CST	Wind Chill Advisory	PAH	33 hr
Jan 15, 1:32 PM CST	Wind Chill Advisory	PAH	20 hr
Jan 18, 2:37 PM CST	Wind Chill Advisory	PAH	42 hr
Jan 21, 1:40 PM CST	Winter Weather Advisory	PAH	24 hr
Jan 22, 3:27 AM CST	Mesoscale Discussion	SPC	5 hr
Jan 23, 4:18 PM CST	Dense Fog Advisory	PAH	44 hr
Feb 16, 10:10 AM CST	Winter Weather Advisory	PAH	11 hr
Feb 16, 3:04 PM CST	Mesoscale Discussion	SPC	4 hr
Feb 26, 1:33 PM CST	Wind Advisory	PAH	41 hr
Feb 27, 12:00 AM CST	Mesoscale Discussion	SPC	2 hr
Feb 27, 5:47 PM CST	Mesoscale Discussion	SPC	88 min
Feb 27, 7:46 PM CST	Mesoscale Discussion	SPC	119 min
Feb 27, 9:29 PM CST	Tornado Watch	SPC	10 hr
Feb 27, 11:50 PM CST	Mesoscale Discussion	SPC	85 min
Mar 2, 3:06 AM CST	Dense Fog Advisory	PAH	7 hr
Mar 14, 4:41 AM CDT	Severe Thunderstorm Watch	SPC	7 hr
Mar 14, 7:39 AM CDT	Mesoscale Discussion	SPC	2 hr
Mar 14, 12:58 PM CDT	Mesoscale Discussion	SPC	92 min
Mar 14, 1:33 PM CDT	Tornado Watch	SPC	7 hr
Mar 14, 3:55 PM CDT	Mesoscale Discussion	SPC	65 min
Mar 14, 5:09 PM CDT	Mesoscale Discussion	SPC	96 min
Mar 14, 6:29 PM CDT	Severe Thunderstorm Warning	PAH	29 min
Mar 14, 7:17 PM CDT	Severe Thunderstorm Warning	PAH	58 min
Mar 14, 7:20 PM CDT	Mesoscale Discussion	SPC	85 min
Mar 14, 7:42 PM CDT	Severe Thunderstorm Warning	PAH	63 min
Mar 14, 7:48 PM CDT	Tornado Warning	PAH	42 min
Mar 14, 8:17 PM CDT	Areal Flood Advisory	PAH	106 min
Mar 24, 1:28 PM CDT	Wind Advisory	PAH	36 hr
Apr 1, 12:35 PM CDT	Mesoscale Discussion	SPC	115 min
Apr 1, 11:26 PM CDT	Severe Thunderstorm Warning	PAH	20 min
Apr 2, 1:16 AM CDT	Mesoscale Discussion	SPC	89 min
Apr 2, 2:00 AM CDT	Tornado Watch	SPC	5 hr
Apr 2, 2:58 AM CDT	Severe Thunderstorm Warning	PAH	47 min
Apr 2, 3:19 AM CDT	Tornado Warning	PAH	26 min
Apr 2, 11:48 AM CDT	Mesoscale Discussion	SPC	117 min
Apr 5, 2:14 AM CDT	Freeze Warning	PAH	30 hr
Apr 7, 2:12 PM CDT	Mesoscale Discussion	SPC	3 hr
Apr 8, 4:19 AM CDT	Dense Fog Advisory	PAH	5 hr
Apr 18, 12:08 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 18, 12:56 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Apr 18, 3:09 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 18, 4:48 PM CDT	Mesoscale Discussion	SPC	87 min
Apr 18, 6:12 PM CDT	Mesoscale Discussion	SPC	93 min
Apr 18, 6:36 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 18, 6:48 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	57 min
Apr 18, 7:22 PM CDT	Severe Thunderstorm Warning Destructive damage threat	PAH	23 min
Apr 18, 7:28 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	77 min
Apr 21, 2:24 AM CDT	Frost Advisory	PAH	30 hr
Apr 24, 12:34 AM CDT	Dense Fog Advisory	PAH	7 hr
Apr 29, 11:46 PM CDT	Dense Fog Advisory	PAH	9 hr
May 3, 9:27 PM CDT	Dense Fog Advisory	PAH	9 hr
May 4, 6:18 PM CDT	Special Weather Statement	PAH	42 min
May 4, 6:23 PM CDT	Severe Thunderstorm Warning	PAH	37 min
May 4, 7:04 PM CDT	Special Weather Statement	PAH	56 min
May 4, 7:18 PM CDT	Severe Thunderstorm Warning	PAH	28 min
May 4, 8:37 PM CDT	Flash Flood Warning	PAH	2 hr
May 7, 4:42 AM CDT	Mesoscale Discussion	SPC	2 hr
May 7, 6:15 AM CDT	Special Weather Statement	PAH	30 min
May 7, 6:57 PM CDT	Tornado Watch	SPC	7 hr
May 7, 7:53 PM CDT	Special Weather Statement	PAH	52 min
May 8, 10:29 AM CDT	Tornado Watch	SPC	8 hr
May 8, 12:58 PM CDT	Mesoscale Discussion	SPC	62 min
May 8, 1:50 PM CDT	Mesoscale Discussion	SPC	55 min
May 8, 3:24 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	51 min
May 8, 4:42 PM CDT	Tornado Watch	SPC	9 hr
May 8, 6:50 PM CDT	Severe Thunderstorm Warning	PAH	55 min
May 8, 7:04 PM CDT	Tornado Warning	PAH	41 min
May 8, 7:27 PM CDT	Tornado Warning	PAH	48 min
May 8, 7:38 PM CDT	Severe Thunderstorm Warning	PAH	52 min
May 18, 1:21 AM CDT	Dense Fog Advisory	PAH	7 hr
May 21, 2:27 AM CDT	Lake Wind Advisory	PAH	16 hr
May 24, 3:57 PM CDT	Mesoscale Discussion	SPC	93 min
May 25, 1:38 PM CDT	Flood Watch	PAH	34 hr
May 26, 2:35 AM CDT	Tornado Watch	SPC	7 hr
May 26, 4:01 PM CDT	Tornado Watch PDS	SPC	7 hr
May 26, 6:58 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	77 min
May 26, 7:01 PM CDT	Mesoscale Discussion	SPC	89 min
May 26, 8:21 PM CDT	Mesoscale Discussion	SPC	84 min
Jun 5, 10:38 AM CDT	Mesoscale Discussion	SPC	3 hr
Jun 24, 2:33 AM CDT	Heat Advisory	PAH	41 hr
Jun 25, 11:43 AM CDT	Mesoscale Discussion	SPC	92 min
Jul 3, 1:53 PM CDT	Flood Watch	PAH	42 hr
Jul 4, 5:51 AM CDT	Special Weather Statement	PAH	24 min
Jul 8, 2:24 AM CDT	Flood Watch	PAH	40 hr
Jul 9, 2:07 PM CDT	Tornado Watch	SPC	10 hr
Jul 11, 6:52 PM CDT	Severe Thunderstorm Warning	PAH	38 min
Jul 12, 4:40 PM CDT	Mesoscale Discussion	SPC	95 min
Jul 13, 2:01 PM CDT	Heat Advisory	PAH	69 hr
Jul 15, 2:10 PM CDT	Flood Watch	PAH	40 hr
Jul 16, 5:33 AM CDT	Areal Flood Advisory	PAH	117 min
Jul 16, 5:56 AM CDT	Special Weather Statement	PAH	34 min
Jul 16, 5:57 AM CDT	Flash Flood Warning	PAH	13 hr
Jul 16, 7:21 AM CDT	Flash Flood Warning	PAH	12 hr
Jul 16, 6:58 PM CDT	Areal Flood Warning	PAH	11 hr
Jul 25, 1:40 PM CDT	Special Weather Statement	PAH	35 min
Jul 25, 1:55 PM CDT	Severe Thunderstorm Warning	PAH	35 min
Jul 28, 6:03 PM CDT	Areal Flood Advisory	PAH	2 hr
Jul 29, 2:32 PM CDT	Excessive Heat Warning	PAH	3 days
Jul 29, 2:32 PM CDT	Heat Advisory	PAH	3 days
Jul 29, 7:48 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
Jul 29, 9:25 PM CDT	Severe Thunderstorm Warning	PAH	50 min
Jul 29, 9:27 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 29, 10:26 PM CDT	Special Weather Statement	PAH	49 min
Jul 29, 10:52 PM CDT	Severe Thunderstorm Warning	PAH	38 min
Jul 29, 11:29 PM CDT	Special Weather Statement	PAH	46 min
Jul 30, 12:53 AM CDT	Areal Flood Advisory	PAH	66 min
Jul 30, 11:53 AM CDT	Flood Watch	PAH	10 hr
Jul 30, 1:56 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 30, 2:58 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Jul 30, 4:48 PM CDT	Severe Thunderstorm Warning	PAH	42 min
Jul 30, 5:11 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	49 min
Aug 1, 11:18 AM CDT	Mesoscale Discussion	SPC	87 min
Aug 1, 11:51 AM CDT	Severe Thunderstorm Warning	PAH	39 min
Aug 15, 5:45 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Aug 15, 7:13 PM CDT	Mesoscale Discussion	SPC	92 min
Aug 16, 1:15 AM CDT	Severe Thunderstorm Warning	PAH	45 min
Aug 28, 4:57 AM CDT	Severe Thunderstorm Warning	PAH	33 min
Aug 28, 8:28 PM CDT	Special Weather Statement	PAH	32 min
Sep 26, 1:54 PM CDT	Flood Watch	PAH	36 hr
Sep 26, 2:04 PM CDT	Wind Advisory	PAH	35 hr
Oct 15, 1:47 AM CDT	Frost Advisory	PAH	30 hr
Oct 16, 9:53 AM CDT	Freeze Warning	PAH	21 hr
Oct 31, 5:10 AM CDT	Special Weather Statement	PAH	50 min
Nov 30, 2:13 AM CST	Winter Weather Advisory	PAH	26 hr
Dec 4, 9:57 PM CST	Wind Advisory	PAH	5 hr
Dec 31, 1:48 AM CST	Wind Advisory	PAH	15 hr

By product

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

Product	Alerts
Severe storms
Severe Thunderstorm Warning	23
Tornado Warning	4
Severe Thunderstorm Watch	6
Tornado Watch	9
Mesoscale Discussion	32
Special Weather Statement	11
Flooding
Areal Flood Warning	1
Flash Flood Warning	3
Flood Watch	6
Areal Flood Advisory	4
Winter
Winter Weather Advisory	3
Heat
Excessive Heat Warning	1
Heat Advisory	3
Cold
Freeze Warning	2
Frost Advisory	2
Wind Chill Advisory	3
Wind and dust
Lake Wind Advisory	1
Wind Advisory	7
Fog and smoke
Dense Fog Advisory	7

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2023 2025

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.