Alert archive / Illinois / Jefferson County

Weather alerts in Jefferson County, Illinois, 2023

124 weather alerts in 2023, 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 2023. Tap one for its archive.

Alerts: 124
Warnings: 31
Watches: 25
Advisories: 26
Busiest month: July37 alerts
Busiest day: July 1, 202315 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 1, 7:13 PM CST	Dense Fog Advisory	PAH	9 hr
Jan 2, 2:45 AM CST	Flood Watch	PAH	30 hr
Jan 3, 2:06 PM CST	Mesoscale Discussion	SPC	2 hr
Jan 18, 4:52 PM CST	Areal Flood Advisory	PAH	3 hr
Jan 22, 2:19 PM CST	Winter Storm Watch	PAH	36 hr
Jan 23, 2:10 PM CST	Winter Storm Warning	PAH	44 hr
Jan 24, 11:44 PM CST	Mesoscale Discussion	SPC	6 hr
Jan 29, 12:59 PM CST	Winter Weather Advisory	PAH	20 hr
Jan 30, 3:21 AM CST	Winter Weather Advisory	PAH	30 hr
Feb 7, 1:27 PM CST	Flood Watch	PAH	37 hr
Feb 8, 1:39 AM CST	Wind Advisory	PAH	37 hr
Feb 13, 1:05 PM CST	Wind Advisory	PAH	31 hr
Feb 21, 2:52 PM CST	Wind Advisory	PAH	27 hr
Feb 22, 12:04 PM CST	Mesoscale Discussion	SPC	56 min
Feb 22, 12:20 PM CST	Tornado Watch	SPC	5 hr
Feb 22, 2:27 PM CST	Mesoscale Discussion	SPC	2 hr
Feb 22, 3:08 PM CST	Severe Thunderstorm Warning	PAH	37 min
Feb 26, 3:00 AM CST	Wind Advisory	PAH	39 hr
Feb 27, 5:42 AM CST	Special Weather Statement	PAH	48 min
Mar 1, 1:26 PM CST	Flood Watch	PAH	47 hr
Mar 2, 2:52 AM CST	Wind Advisory	PAH	41 hr
Mar 22, 1:46 PM CDT	Flood Watch	PAH	59 hr
Mar 24, 7:24 PM CDT	Areal Flood Warning	PAH	6 hr
Mar 30, 3:33 AM CDT	Wind Advisory	PAH	57 hr
Mar 31, 12:28 PM CDT	Tornado Watch PDS	SPC	11 hr
Mar 31, 12:53 PM CDT	Mesoscale Discussion	SPC	97 min
Mar 31, 9:30 PM CDT	Severe Thunderstorm Warning	PAH	45 min
Mar 31, 10:01 PM CDT	Severe Thunderstorm Warning	PAH	44 min
Apr 4, 12:55 PM CDT	Wind Advisory	PAH	27 hr
Apr 5, 1:32 AM CDT	Tornado Watch	SPC	9 hr
Apr 5, 8:44 AM CDT	Tornado Watch	SPC	7 hr
Apr 15, 4:03 PM CDT	Tornado Watch	SPC	6 hr
Apr 15, 6:50 PM CDT	Mesoscale Discussion	SPC	85 min
Apr 15, 7:48 PM CDT	Severe Thunderstorm Warning	PAH	57 min
Apr 20, 5:36 PM CDT	Mesoscale Discussion	SPC	84 min
Apr 22, 2:33 AM CDT	Frost Advisory	PAH	29 hr
Apr 23, 1:41 AM CDT	Frost Advisory	PAH	31 hr
May 2, 3:40 AM CDT	Lake Wind Advisory	PAH	15 hr
May 6, 2:00 PM CDT	Mesoscale Discussion	SPC	2 hr
May 7, 9:09 AM CDT	Severe Thunderstorm Warning	PAH	36 min
May 7, 11:13 AM CDT	Special Weather Statement	PAH	47 min
May 7, 1:00 PM CDT	Mesoscale Discussion	SPC	2 hr
May 7, 1:18 PM CDT	Severe Thunderstorm Watch	SPC	10 hr
May 7, 2:26 PM CDT	Severe Thunderstorm Warning	PAH	49 min
May 7, 2:40 PM CDT	Severe Thunderstorm Warning	PAH	50 min
May 7, 3:40 PM CDT	Mesoscale Discussion	SPC	65 min
May 8, 3:19 PM CDT	Severe Thunderstorm Watch	SPC	10 hr
May 8, 5:36 PM CDT	Mesoscale Discussion	SPC	84 min
May 8, 9:05 PM CDT	Mesoscale Discussion	SPC	115 min
May 13, 1:51 AM CDT	Dense Fog Advisory	PAH	6 hr
May 13, 12:24 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
May 13, 6:09 PM CDT	Mesoscale Discussion	SPC	2 hr
May 14, 2:59 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
May 14, 5:47 PM CDT	Mesoscale Discussion	SPC	88 min
May 14, 7:56 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 11, 2:27 AM CDT	Lake Wind Advisory	PAH	17 hr
Jun 13, 12:31 PM CDT	Lake Wind Advisory	PAH	6 hr
Jun 28, 3:11 AM CDT	Heat Advisory	PAH	65 hr
Jun 29, 2:20 AM CDT	Mesoscale Discussion	SPC	2 hr
Jun 29, 12:12 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 29, 12:41 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 29, 1:08 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 29, 1:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	63 min
Jun 29, 2:55 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	65 min
Jun 30, 2:32 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 30, 3:53 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 30, 7:42 PM CDT	Severe Thunderstorm Warning	PAH	33 min
Jun 30, 7:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	53 min
Jun 30, 7:58 PM CDT	Mesoscale Discussion	SPC	92 min
Jun 30, 8:06 PM CDT	Severe Thunderstorm Warning	PAH	39 min
Jun 30, 8:14 PM CDT	Severe Thunderstorm Warning Destructive damage threat	PAH	31 min
Jun 30, 8:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	63 min
Jul 1, 12:04 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
Jul 1, 3:02 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	43 min
Jul 1, 3:35 PM CDT	Mesoscale Discussion	SPC	115 min
Jul 1, 3:44 PM CDT	Special Weather Statement	PAH	31 min
Jul 1, 4:38 PM CDT	Severe Thunderstorm Warning	PAH	52 min
Jul 1, 5:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	38 min
Jul 1, 5:26 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	49 min
Jul 1, 5:39 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	51 min
Jul 1, 6:05 PM CDT	Mesoscale Discussion	SPC	85 min
Jul 2, 12:33 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Jul 5, 1:07 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 14, 3:11 PM CDT	Special Weather Statement	PAH	19 min
Jul 16, 4:00 PM CDT	Mesoscale Discussion	SPC	90 min
Jul 17, 3:11 AM CDT	Severe Thunderstorm Warning	PAH	34 min
Jul 17, 2:41 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 17, 3:31 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 18, 8:42 AM CDT	Mesoscale Discussion	SPC	93 min
Jul 18, 11:41 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 20, 11:34 AM CDT	Special Weather Statement	PAH	26 min
Jul 25, 2:35 PM CDT	Heat Advisory	PAH	3 days
Jul 25, 3:00 PM CDT	Lake Wind Advisory	PAH	27 hr
Jul 27, 3:12 AM CDT	Excessive Heat Warning	PAH	41 hr
Jul 27, 3:12 AM CDT	Heat Advisory	PAH	64 hr
Jul 29, 4:52 AM CDT	Special Weather Statement	PAH	38 min
Jul 29, 7:40 AM CDT	Special Weather Statement	PAH	35 min
Jul 29, 7:48 AM CDT	Severe Thunderstorm Warning	PAH	27 min
Jul 29, 2:18 PM CDT	Mesoscale Discussion	SPC	117 min
Jul 29, 3:46 PM CDT	Severe Thunderstorm Watch	SPC	5 hr
Jul 29, 5:15 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	60 min
Jul 29, 5:52 PM CDT	Mesoscale Discussion	SPC	113 min
Jul 29, 6:14 PM CDT	Severe Thunderstorm Warning	PAH	16 min
Aug 2, 1:40 AM CDT	Flood Watch	PAH	58 hr
Aug 6, 3:16 PM CDT	Tornado Watch	SPC	9 hr
Aug 6, 8:32 PM CDT	Severe Thunderstorm Warning	PAH	43 min
Aug 6, 9:57 PM CDT	Severe Thunderstorm Warning	PAH	48 min
Aug 6, 10:37 PM CDT	Severe Thunderstorm Warning	PAH	38 min
Aug 7, 3:19 AM CDT	Lake Wind Advisory	PAH	14 hr
Aug 12, 1:42 AM CDT	Severe Thunderstorm Watch	SPC	5 hr
Aug 12, 2:56 AM CDT	Mesoscale Discussion	SPC	94 min
Aug 12, 5:16 AM CDT	Mesoscale Discussion	SPC	89 min
Aug 12, 5:20 AM CDT	Special Weather Statement	PAH	40 min
Aug 13, 6:34 PM CDT	Mesoscale Discussion	SPC	86 min
Aug 18, 2:47 AM CDT	Excessive Heat Watch	PAH	24 hr
Aug 19, 2:50 AM CDT	Excessive Heat Warning	PAH	8 days
Aug 22, 3:26 AM CDT	Dense Fog Advisory	PAH	5 hr
Aug 23, 1:44 AM CDT	Dense Fog Advisory	PAH	6 hr
Aug 25, 7:49 PM CDT	Heat Advisory	PAH	19 hr
Sep 27, 6:43 PM CDT	Mesoscale Discussion	SPC	2 hr
Oct 5, 9:00 PM CDT	Dense Fog Advisory	PAH	10 hr
Oct 27, 4:16 PM CDT	Mesoscale Discussion	SPC	89 min
Oct 29, 3:02 AM CDT	Freeze Watch	PAH	23 hr
Oct 30, 2:23 AM CDT	Freeze Warning	PAH	31 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	26
Severe Thunderstorm Watch	11
Tornado Watch	6
Mesoscale Discussion	34
Special Weather Statement	8
Flooding
Areal Flood Warning	1
Flood Watch	5
Areal Flood Advisory	1
Winter
Winter Storm Warning	1
Winter Storm Watch	1
Winter Weather Advisory	2
Heat
Excessive Heat Warning	2
Excessive Heat Watch	1
Heat Advisory	4
Cold
Freeze Warning	1
Freeze Watch	1
Frost Advisory	2
Wind and dust
Lake Wind Advisory	5
Wind Advisory	7
Fog and smoke
Dense Fog Advisory	5

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2022 2024

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.