Alert archive / Illinois / Jefferson County

Weather alerts in Jefferson County, Illinois, 2025

136 weather alerts in 2025, 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 2025. Tap one for its archive.

Alerts: 136
Warnings: 33
Watches: 20
Advisories: 46
Busiest month: April33 alerts
Busiest day: March 30, 20258 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 2, 2:18 PM CST	Winter Storm Watch	PAH	35 hr
Jan 4, 1:46 AM CST	Winter Storm Warning	PAH	58 hr
Jan 5, 2:40 AM CST	Mesoscale Discussion	SPC	5 hr
Jan 5, 7:56 AM CST	Mesoscale Discussion	SPC	4 hr
Jan 8, 9:50 AM CST	Cold Weather Advisory	PAH	22 hr
Jan 8, 1:39 PM CST	Winter Storm Warning	PAH	55 hr
Jan 8, 1:39 PM CST	Winter Weather Advisory	PAH	12 hr
Jan 8, 7:25 PM CST	Freezing Fog Advisory	PAH	12 hr
Jan 18, 1:24 PM CST	Cold Weather Advisory	PAH	47 hr
Jan 20, 12:13 PM CST	Cold Weather Advisory	PAH	27 hr
Jan 21, 2:52 AM CST	Cold Weather Advisory	PAH	30 hr
Jan 30, 9:28 PM CST	Dense Fog Advisory	PAH	10 hr
Feb 12, 6:16 AM CST	Mesoscale Discussion	SPC	6 hr
Feb 16, 1:53 AM CST	Winter Weather Advisory	PAH	6 hr
Feb 16, 1:33 PM CST	Winter Storm Watch	PAH	24 hr
Feb 17, 1:47 PM CST	Winter Weather Advisory	PAH	42 hr
Feb 18, 12:42 PM CST	Cold Weather Advisory	PAH	45 hr
Mar 3, 1:52 PM CST	Wind Advisory	PAH	52 hr
Mar 4, 3:44 AM CST	Wind Advisory	PAH	38 hr
Mar 4, 7:46 PM CST	Wind Advisory	PAH	22 hr
Mar 13, 2:30 AM CDT	Wind Advisory	PAH	50 hr
Mar 14, 7:34 PM CDT	Tornado Watch PDS	SPC	10 hr
Mar 14, 7:45 PM CDT	Mesoscale Discussion	SPC	2 hr
Mar 14, 10:42 PM CDT	Mesoscale Discussion	SPC	63 min
Mar 14, 11:50 PM CDT	Mesoscale Discussion	SPC	115 min
Mar 15, 12:21 AM CDT	Tornado Warning	PAH	27 min
Mar 15, 12:44 AM CDT	Tornado Warning	PAH	46 min
Mar 18, 11:01 AM CDT	Wind Advisory	PAH	37 hr
Mar 18, 9:06 PM CDT	Red Flag Warning	PAH	23 hr
Mar 19, 3:19 PM CDT	Tornado Watch	SPC	8 hr
Mar 30, 11:04 AM CDT	Mesoscale Discussion	SPC	116 min
Mar 30, 12:02 PM CDT	Tornado Watch	SPC	7 hr
Mar 30, 2:27 PM CDT	Mesoscale Discussion	SPC	93 min
Mar 30, 2:35 PM CDT	Tornado Watch	SPC	8 hr
Mar 30, 2:49 PM CDT	Severe Thunderstorm Warning	PAH	41 min
Mar 30, 3:19 PM CDT	Severe Thunderstorm Warning	PAH	56 min
Mar 30, 3:47 PM CDT	Severe Thunderstorm Warning	PAH	43 min
Mar 30, 4:08 PM CDT	Severe Thunderstorm Warning	PAH	52 min
Mar 31, 12:40 PM CDT	Flood Watch	PAH	6 days
Apr 1, 12:43 PM CDT	Wind Advisory	PAH	35 hr
Apr 2, 2:43 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 2, 2:52 PM CDT	Tornado Watch PDS	SPC	9 hr
Apr 2, 5:16 PM CDT	Severe Thunderstorm Warning	PAH	44 min
Apr 2, 6:28 PM CDT	Severe Thunderstorm Warning	PAH	47 min
Apr 2, 6:28 PM CDT	Tornado Warning	PAH	47 min
Apr 2, 6:36 PM CDT	Severe Thunderstorm Warning	PAH	39 min
Apr 2, 6:36 PM CDT	Tornado Warning	PAH	39 min
Apr 2, 7:03 PM CDT	Tornado Warning	PAH	42 min
Apr 2, 7:14 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	46 min
Apr 4, 5:07 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 4, 5:28 PM CDT	Mesoscale Discussion	SPC	92 min
Apr 4, 7:24 PM CDT	Flash Flood Warning	PAH	26 hr
Apr 5, 8:56 PM CDT	Areal Flood Warning	PAH	37 hr
Apr 6, 1:21 AM CDT	Freeze Watch	PAH	24 hr
Apr 7, 1:23 AM CDT	Freeze Warning	PAH	32 hr
Apr 10, 2:05 PM CDT	Severe Thunderstorm Warning	PAH	30 min
Apr 11, 12:27 PM CDT	Frost Advisory	PAH	20 hr
Apr 19, 2:23 AM CDT	Special Weather Statement	PAH	37 min
Apr 19, 5:35 AM CDT	Mesoscale Discussion	SPC	2 hr
Apr 20, 3:41 PM CDT	Tornado Watch	SPC	7 hr
Apr 20, 7:46 PM CDT	Mesoscale Discussion	SPC	89 min
Apr 20, 9:19 PM CDT	Severe Thunderstorm Warning	PAH	26 min
Apr 20, 11:44 PM CDT	Mesoscale Discussion	SPC	91 min
Apr 29, 7:41 AM CDT	Severe Thunderstorm Warning	PAH	22 min
Apr 29, 12:52 PM CDT	Mesoscale Discussion	SPC	83 min
Apr 29, 1:29 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Apr 29, 2:07 PM CDT	Severe Thunderstorm Warning	PAH	38 min
Apr 29, 2:30 PM CDT	Severe Thunderstorm Warning	PAH	45 min
Apr 29, 2:52 PM CDT	Severe Thunderstorm Warning	PAH	23 min
Apr 29, 3:52 PM CDT	Areal Flood Advisory	PAH	3 hr
Apr 30, 2:40 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 30, 4:40 PM CDT	Tornado Watch	SPC	5 hr
May 1, 6:19 PM CDT	Mesoscale Discussion	SPC	116 min
May 6, 2:15 AM CDT	Dense Fog Advisory	PAH	7 hr
May 13, 2:51 AM CDT	Dense Fog Advisory	PAH	5 hr
May 16, 2:08 PM CDT	Mesoscale Discussion	SPC	2 hr
May 16, 2:59 PM CDT	Tornado Watch	SPC	8 hr
May 16, 3:49 PM CDT	Severe Thunderstorm Warning	PAH	23 min
May 16, 5:06 PM CDT	Mesoscale Discussion	SPC	114 min
May 16, 6:56 PM CDT	Mesoscale Discussion	SPC	2 hr
May 19, 8:26 PM CDT	Tornado Watch	SPC	7 hr
May 20, 1:07 AM CDT	Mesoscale Discussion	SPC	83 min
May 21, 12:33 PM CDT	Lake Wind Advisory	PAH	6 hr
May 30, 8:42 AM CDT	Lake Wind Advisory	PAH	9 hr
May 31, 1:54 AM CDT	Lake Wind Advisory	PAH	16 hr
Jun 3, 1:40 AM CDT	Lake Wind Advisory	PAH	17 hr
Jun 4, 1:43 PM CDT	Mesoscale Discussion	SPC	3 hr
Jun 4, 6:17 PM CDT	Special Weather Statement	PAH	43 min
Jun 6, 7:43 AM CDT	Severe Thunderstorm Warning	PAH	47 min
Jun 16, 11:38 AM CDT	Areal Flood Advisory	PAH	112 min
Jun 18, 2:13 AM CDT	Lake Wind Advisory	PAH	17 hr
Jun 18, 7:59 AM CDT	Mesoscale Discussion	SPC	2 hr
Jun 18, 9:46 AM CDT	Tornado Watch	SPC	6 hr
Jun 18, 1:07 PM CDT	Severe Thunderstorm Warning	PAH	38 min
Jun 20, 1:51 AM CDT	Heat Advisory	PAH	8 days
Jun 27, 1:36 PM CDT	Mesoscale Discussion	SPC	114 min
Jun 30, 8:23 PM CDT	Areal Flood Advisory	PAH	6 hr
Jul 6, 12:09 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 12, 11:42 AM CDT	Mesoscale Discussion	SPC	3 hr
Jul 13, 1:18 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 16, 6:43 PM CDT	Special Weather Statement	PAH	47 min
Jul 17, 12:53 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 19, 2:48 AM CDT	Heat Advisory	PAH	17 hr
Jul 19, 7:46 PM CDT	Heat Advisory	PAH	9 days
Jul 20, 1:58 AM CDT	Flood Watch	PAH	30 hr
Jul 22, 1:24 AM CDT	Heat Advisory	PAH	6 days
Jul 25, 1:41 PM CDT	Extreme Heat Watch	PAH	3 days
Jul 27, 1:50 PM CDT	Extreme Heat Warning	PAH	3 days
Aug 16, 1:41 AM CDT	Heat Advisory	PAH	4 days
Sep 14, 3:12 PM CDT	Mesoscale Discussion	SPC	2 hr
Sep 20, 6:52 PM CDT	Special Weather Statement	PAH	38 min
Sep 20, 7:02 PM CDT	Severe Thunderstorm Warning	PAH	28 min
Sep 23, 12:26 AM CDT	Dense Fog Advisory	PAH	7 hr
Oct 18, 3:03 PM CDT	Severe Thunderstorm Warning	PAH	27 min
Oct 18, 4:48 PM CDT	Mesoscale Discussion	SPC	87 min
Oct 18, 7:37 PM CDT	Special Weather Statement	PAH	38 min
Oct 22, 2:26 AM CDT	Frost Advisory	PAH	30 hr
Oct 23, 2:13 AM CDT	Frost Advisory	PAH	30 hr
Oct 31, 1:26 PM CDT	Freeze Watch	PAH	24 hr
Nov 20, 7:26 PM CST	Dense Fog Advisory	PAH	10 hr
Nov 23, 5:54 PM CST	Dense Fog Advisory	PAH	15 hr
Nov 28, 12:42 PM CST	Winter Weather Advisory	PAH	24 hr
Nov 30, 12:16 PM CST	Winter Weather Advisory	PAH	39 hr
Dec 12, 1:31 PM CST	Cold Weather Advisory	PAH	46 hr
Dec 18, 10:26 AM CST	Wind Advisory	PAH	14 hr
Dec 18, 10:44 AM CST	Mesoscale Discussion	SPC	2 hr
Dec 23, 5:39 AM CST	Dense Fog Advisory	PAH	3 hr
Dec 23, 7:09 PM CST	Dense Fog Advisory	PAH	17 hr
Dec 25, 6:16 AM CST	Dense Fog Advisory	PAH	6 hr
Dec 26, 11:32 PM CST	Dense Fog Advisory	PAH	12 hr
Dec 28, 8:28 AM CST	Wind Advisory	PAH	26 hr
Dec 28, 1:18 PM CST	Mesoscale Discussion	SPC	117 min
Dec 28, 2:47 PM CST	Tornado Watch	SPC	6 hr
Dec 28, 3:49 PM CST	Mesoscale Discussion	SPC	86 min
Dec 28, 4:50 PM CST	Severe Thunderstorm Warning	PAH	40 min
Dec 28, 5:01 PM CST	Severe Thunderstorm Warning	PAH	44 min

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	21
Tornado Warning	5
Severe Thunderstorm Watch	2
Tornado Watch	11
Mesoscale Discussion	32
Special Weather Statement	5
Flooding
Areal Flood Warning	1
Flash Flood Warning	1
Flood Watch	2
Areal Flood Advisory	3
Winter
Winter Storm Warning	2
Winter Storm Watch	2
Winter Weather Advisory	5
Heat
Extreme Heat Warning	1
Extreme Heat Watch	1
Heat Advisory	5
Cold
Freeze Warning	1
Freeze Watch	2
Cold Weather Advisory	6
Frost Advisory	3
Wind and dust
Lake Wind Advisory	5
Wind Advisory	8
Fire
Red Flag Warning	1
Fog and smoke
Dense Fog Advisory	10
Freezing Fog Advisory	1

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2024 2026

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.