Weather alerts in Harris County, Texas, 2026

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

Harris County and its neighbors

Each county as a circle sized by its count in 2026. Tap one for its archive.

Alerts: 227
Warnings: 66
Watches: 13
Advisories: 98
Busiest month: June57 alerts
Busiest day: May 23, 202610 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 5, 11:14 PM CST	Dense Fog Advisory	HGX	11 hr
Jan 7, 12:09 AM CST	Dense Fog Advisory	HGX	10 hr
Jan 9, 11:52 PM CST	Severe Thunderstorm Warning	HGX	23 min
Jan 21, 1:18 PM CST	Winter Storm Watch	HGX	48 hr
Jan 21, 1:30 PM CST	Extreme Cold Watch	HGX	48 hr
Jan 21, 11:24 PM CST	Dense Fog Advisory	HGX	10 hr
Jan 22, 9:12 AM CST	Dense Fog Advisory	HGX	48 min
Jan 23, 12:50 PM CST	Winter Storm Warning	HGX	47 hr
Jan 23, 1:00 PM CST	Extreme Cold Watch	HGX	21 hr
Jan 23, 1:00 PM CST	Extreme Cold Warning	HGX	4 days
Jan 29, 11:35 AM CST	Cold Weather Advisory	HGX	46 hr
Jan 29, 11:03 PM CST	Freeze Watch	HGX	36 hr
Jan 31, 11:18 AM CST	Freeze Warning	HGX	22 hr
Feb 3, 4:28 PM CST	Special Weather Statement	HGX	32 min
Feb 3, 4:59 PM CST	Special Weather Statement	HGX	31 min
Feb 3, 5:39 PM CST	Special Weather Statement	HGX	36 min
Feb 3, 5:50 PM CST	Special Weather Statement	HGX	25 min
Feb 3, 10:40 PM CST	Areal Flood Advisory	HGX	65 min
Feb 8, 1:28 AM CST	Dense Fog Advisory	HGX	9 hr
Feb 9, 3:42 AM CST	Dense Fog Advisory	HGX	5 hr
Feb 12, 2:01 AM CST	Dense Fog Advisory	HGX	7 hr
Feb 12, 9:13 PM CST	Dense Fog Advisory	HGX	12 hr
Feb 13, 6:16 PM CST	Dense Fog Advisory	HGX	11 hr
Feb 14, 2:05 PM CST	Mesoscale Discussion	SPC	2 hr
Feb 14, 3:49 PM CST	Tornado Watch	SPC	5 hr
Feb 14, 5:14 PM CST	Severe Thunderstorm Warning	HGX	31 min
Feb 14, 5:40 PM CST	Severe Thunderstorm Warning	HGX	50 min
Feb 14, 6:00 PM CST	Severe Thunderstorm Warning	HGX	45 min
Feb 14, 6:23 PM CST	Mesoscale Discussion	SPC	2 hr
Feb 14, 6:24 PM CST	Severe Thunderstorm Warning	HGX	43 min
Feb 14, 6:37 PM CST	Severe Thunderstorm Warning Considerable damage threat	HGX	68 min
Feb 14, 6:51 PM CST	Tornado Warning	HGX	24 min
Feb 17, 3:22 AM CST	Dense Fog Advisory	HGX	6 hr
Feb 20, 1:53 AM CST	Dense Fog Advisory	HGX	7 hr
Feb 20, 10:54 AM CST	Dense Fog Advisory	HGX	22 hr
Feb 24, 11:26 PM CST	Wind Advisory	HGX	19 hr
Feb 27, 5:17 AM CST	Dense Fog Advisory	HGX	6 hr
Feb 27, 9:52 PM CST	Dense Fog Advisory	HGX	12 hr
Mar 1, 12:36 AM CST	Dense Fog Advisory	HGX	7 hr
Mar 3, 3:20 AM CST	Dense Fog Advisory	HGX	5 hr
Mar 4, 10:27 PM CST	Dense Fog Advisory	HGX	10 hr
Mar 7, 5:02 PM CST	Special Weather Statement	HGX	28 min
Mar 7, 5:30 PM CST	Special Weather Statement	HGX	30 min
Mar 7, 6:00 PM CST	Special Weather Statement	HGX	30 min
Mar 7, 6:07 PM CST	Areal Flood Advisory	HGX	3 hr
Mar 7, 9:12 PM CST	Areal Flood Advisory	HGX	3 hr
Mar 7, 11:31 PM CST	Areal Flood Advisory	HGX	3 hr
Mar 8, 3:30 AM CDT	Areal Flood Advisory	HGX	3 hr
Mar 8, 7:21 AM CDT	Areal Flood Advisory	HGX	114 min
Mar 11, 7:13 AM CDT	Mesoscale Discussion	SPC	2 hr
Mar 11, 10:15 AM CDT	Mesoscale Discussion	SPC	3 hr
Mar 11, 11:25 AM CDT	Tornado Watch	SPC	9 hr
Mar 11, 11:49 AM CDT	Severe Thunderstorm Warning	HGX	56 min
Mar 11, 12:09 PM CDT	Severe Thunderstorm Warning	HGX	33 min
Mar 11, 1:15 PM CDT	Special Weather Statement	HGX	60 min
Mar 14, 1:04 PM CDT	Fire Weather Watch	HGX	24 hr
Mar 14, 1:11 PM CDT	Wind Advisory	HGX	53 hr
Mar 15, 12:55 PM CDT	Red Flag Warning	HGX	30 hr
Mar 15, 6:11 PM CDT	Mesoscale Discussion	SPC	2 hr
Mar 15, 7:54 PM CDT	Severe Thunderstorm Warning	HGX	17 min
Apr 4, 5:40 PM CDT	Mesoscale Discussion	SPC	2 hr
Apr 4, 6:06 PM CDT	Special Weather Statement	HGX	24 min
Apr 12, 11:41 AM CDT	Flood Watch	HGX	9 hr
Apr 12, 3:55 PM CDT	Severe Thunderstorm Warning	HGX	50 min
Apr 12, 4:10 PM CDT	Areal Flood Advisory	HGX	4 hr
Apr 12, 4:41 PM CDT	Flash Flood Warning	HGX	2 hr
Apr 12, 4:46 PM CDT	Special Weather Statement	HGX	44 min
Apr 12, 5:25 PM CDT	Special Weather Statement	HGX	35 min
Apr 12, 5:27 PM CDT	Areal Flood Advisory	HGX	4 hr
Apr 18, 3:30 PM CDT	Areal Flood Advisory	HGX	4 hr
Apr 18, 3:36 PM CDT	Special Weather Statement	HGX	39 min
Apr 18, 5:35 PM CDT	Areal Flood Advisory	HGX	112 min
Apr 22, 4:03 AM CDT	Dense Fog Advisory	HGX	5 hr
Apr 30, 12:21 PM CDT	Flood Watch	HGX	33 hr
Apr 30, 11:16 PM CDT	Special Weather Statement	HGX	44 min
May 1, 12:02 AM CDT	Severe Thunderstorm Warning	HGX	28 min
May 1, 12:30 AM CDT	Severe Thunderstorm Warning	HGX	30 min
May 1, 3:40 AM CDT	Special Weather Statement	HGX	35 min
May 1, 4:58 AM CDT	Areal Flood Advisory	HGX	3 hr
May 1, 10:49 AM CDT	Mesoscale Discussion	SPC	116 min
May 1, 3:32 PM CDT	Areal Flood Advisory	HGX	3 hr
May 9, 2:46 PM CDT	Mesoscale Discussion	SPC	119 min
May 9, 6:49 PM CDT	Severe Thunderstorm Warning	HGX	26 min
May 9, 7:17 PM CDT	Special Weather Statement	HGX	28 min
May 9, 7:38 PM CDT	Special Weather Statement	HGX	37 min
May 10, 6:01 PM CDT	Mesoscale Discussion	SPC	89 min
May 10, 10:28 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
May 11, 12:45 AM CDT	Severe Thunderstorm Warning	HGX	30 min
May 11, 1:31 AM CDT	Mesoscale Discussion	SPC	89 min
May 11, 2:31 AM CDT	Special Weather Statement	HGX	59 min
May 19, 8:49 PM CDT	Severe Thunderstorm Warning	HGX	26 min
May 20, 1:00 AM CDT	Special Weather Statement	HGX	60 min
May 20, 7:24 AM CDT	Areal Flood Advisory	HGX	3 hr
May 20, 8:30 AM CDT	Areal Flood Advisory	HGX	2 hr
May 20, 12:41 PM CDT	Flood Watch	HGX	4 days
May 23, 5:14 AM CDT	Special Weather Statement	HGX	31 min
May 23, 5:17 AM CDT	Severe Thunderstorm Warning	HGX	28 min
May 23, 5:44 AM CDT	Special Weather Statement	HGX	31 min
May 23, 5:55 AM CDT	Severe Thunderstorm Warning	HGX	15 min
May 23, 6:16 AM CDT	Special Weather Statement	HGX	29 min
May 23, 12:34 PM CDT	Areal Flood Advisory	HGX	3 hr
May 23, 1:59 PM CDT	Areal Flood Advisory	HGX	3 hr
May 23, 4:14 PM CDT	Flash Flood Warning	HGX	111 min
May 23, 4:31 PM CDT	Areal Flood Advisory	HGX	119 min
May 23, 6:05 PM CDT	Areal Flood Warning	HGX	70 min
May 26, 11:56 PM CDT	Severe Thunderstorm Warning	HGX	79 min
May 27, 1:15 AM CDT	Severe Thunderstorm Warning	HGX	30 min
May 27, 2:11 AM CDT	Special Weather Statement	HGX	64 min
May 27, 2:21 AM CDT	Mesoscale Discussion	SPC	114 min
May 27, 3:29 AM CDT	Severe Thunderstorm Warning	HGX	31 min
Jun 2, 3:54 PM CDT	Special Weather Statement	HGX	36 min
Jun 2, 4:16 PM CDT	Severe Thunderstorm Warning	HGX	14 min
Jun 2, 4:29 PM CDT	Severe Thunderstorm Warning	HGX	31 min
Jun 2, 4:34 PM CDT	Severe Thunderstorm Warning	HGX	26 min
Jun 2, 5:24 PM CDT	Severe Thunderstorm Warning	HGX	36 min
Jun 3, 3:10 PM CDT	Areal Flood Advisory	HGX	65 min
Jun 4, 10:33 AM CDT	Areal Flood Advisory	HGX	57 min
Jun 4, 10:42 AM CDT	Areal Flood Advisory	HGX	3 hr
Jun 4, 11:01 AM CDT	Areal Flood Advisory	HGX	119 min
Jun 4, 11:06 AM CDT	Areal Flood Advisory	HGX	114 min
Jun 4, 12:31 PM CDT	Areal Flood Advisory	HGX	119 min
Jun 4, 2:18 PM CDT	Areal Flood Advisory	HGX	3 hr
Jun 5, 7:45 AM CDT	Areal Flood Advisory	HGX	2 hr
Jun 5, 11:34 AM CDT	Areal Flood Advisory	HGX	116 min
Jun 5, 11:48 AM CDT	Areal Flood Advisory	HGX	3 hr
Jun 5, 12:37 PM CDT	Flash Flood Warning	HGX	2 hr
Jun 5, 2:41 PM CDT	Areal Flood Advisory	HGX	2 hr
Jun 6, 1:58 PM CDT	Areal Flood Advisory	HGX	2 hr
Jun 6, 3:21 PM CDT	Areal Flood Advisory	HGX	114 min
Jun 12, 4:27 PM CDT	Areal Flood Advisory	HGX	2 hr
Jun 14, 11:29 AM CDT	Flood Watch	HGX	3 days
Jun 14, 7:32 PM CDT	Areal Flood Advisory	HGX	118 min
Jun 15, 11:14 AM CDT	Areal Flood Advisory	HGX	2 hr
Jun 15, 11:48 AM CDT	Flash Flood Warning	HGX	2 hr
Jun 15, 12:03 PM CDT	Areal Flood Advisory	HGX	3 hr
Jun 15, 12:26 PM CDT	Flash Flood Warning	HGX	117 min
Jun 15, 2:10 PM CDT	Areal Flood Warning	HGX	110 min
Jun 15, 2:19 PM CDT	River Flood Warning	HGX	6 hr
Jun 15, 2:23 PM CDT	Areal Flood Warning	HGX	112 min
Jun 16, 9:24 AM CDT	Areal Flood Advisory	HGX	3 hr
Jun 16, 9:56 AM CDT	Areal Flood Advisory	HGX	3 hr
Jun 16, 10:31 AM CDT	Flash Flood Warning Considerable damage threat	HGX	4 hr
Jun 16, 10:49 AM CDT	Flash Flood Warning	HGX	3 hr
Jun 16, 12:02 PM CDT	Flash Flood Warning	HGX	2 hr
Jun 16, 2:14 PM CDT	Areal Flood Warning	HGX	3 hr
Jun 17, 7:08 AM CDT	Areal Flood Advisory	HGX	3 hr
Jun 17, 7:34 AM CDT	Flash Flood Warning	HGX	3 hr
Jun 17, 10:31 AM CDT	Areal Flood Warning	HGX	89 min
Jun 17, 12:29 PM CDT	Heat Advisory	HGX	21 hr
Jun 18, 9:51 AM CDT	Extreme Heat Warning	HGX	10 hr
Jun 18, 9:56 AM CDT	Heat Advisory	HGX	55 hr
Jun 19, 5:21 PM CDT	Areal Flood Advisory	HGX	3 hr
Jun 19, 5:29 PM CDT	Special Weather Statement	HGX	46 min
Jun 19, 5:43 PM CDT	Special Weather Statement	HGX	47 min
Jun 19, 6:01 PM CDT	Severe Thunderstorm Warning	HGX	44 min
Jun 19, 6:09 PM CDT	Areal Flood Advisory	HGX	3 hr
Jun 19, 7:14 PM CDT	Areal Flood Advisory	HGX	2 hr
Jun 20, 11:58 AM CDT	Areal Flood Advisory	HGX	62 min
Jun 20, 12:43 PM CDT	Flash Flood Warning	HGX	2 hr
Jun 20, 2:17 PM CDT	Areal Flood Advisory	HGX	3 hr
Jun 20, 4:17 PM CDT	Flash Flood Warning	HGX	3 hr
Jun 20, 4:34 PM CDT	Severe Thunderstorm Warning	HGX	41 min
Jun 20, 7:16 PM CDT	Areal Flood Warning	HGX	104 min
Jun 21, 5:34 AM CDT	Areal Flood Advisory	HGX	3 hr
Jun 21, 7:42 AM CDT	Areal Flood Advisory	HGX	51 min
Jun 21, 8:33 AM CDT	Flash Flood Warning	HGX	72 min
Jun 21, 9:44 AM CDT	Areal Flood Warning	HGX	3 hr
Jul 3, 2:42 PM CDT	Special Weather Statement	HGX	33 min
Jul 3, 11:30 PM CDT	Heat Advisory	HGX	20 hr
Jul 5, 9:38 PM CDT	Special Weather Statement	HGX	37 min
Jul 5, 10:14 PM CDT	Special Weather Statement	HGX	31 min
Jul 6, 4:49 PM CDT	Special Weather Statement	HGX	11 min
Jul 6, 4:56 PM CDT	Special Weather Statement	HGX	34 min
Jul 7, 4:26 PM CDT	Special Weather Statement	HGX	34 min
Jul 7, 8:10 PM CDT	Special Weather Statement	HGX	35 min
Jul 7, 8:30 PM CDT	Areal Flood Advisory	HGX	2 hr
Jul 8, 4:20 PM CDT	Special Weather Statement	HGX	25 min
Jul 12, 3:31 PM CDT	Severe Thunderstorm Warning	HGX	29 min
Jul 12, 3:51 PM CDT	Areal Flood Advisory	HGX	107 min
Jul 13, 12:13 PM CDT	Areal Flood Advisory	HGX	2 hr
Jul 13, 12:58 PM CDT	Areal Flood Advisory	HGX	2 hr
Jul 14, 7:06 AM CDT	Areal Flood Advisory	HGX	5 hr
Jul 14, 7:57 AM CDT	Areal Flood Advisory	HGX	5 hr
Jul 14, 12:28 PM CDT	Areal Flood Warning	HGX	6 hr
Jul 15, 5:38 AM CDT	Special Weather Statement	HGX	37 min
Jul 20, 1:00 PM CDT	Heat Advisory	HGX	31 hr
Jul 21, 12:50 PM CDT	Extreme Heat Warning	HGX	31 hr
Jul 22, 3:13 PM CDT	Mesoscale Discussion	SPC	2 hr
Jul 22, 6:32 PM CDT	Severe Thunderstorm Warning	HGX	43 min
Jul 22, 6:55 PM CDT	Severe Thunderstorm Warning Considerable damage threat	HGX	50 min
Jul 23, 5:08 PM CDT	Areal Flood Advisory	HGX	3 hr
Jul 23, 5:46 PM CDT	Flash Flood Warning	HGX	2 hr
Jul 23, 6:35 PM CDT	Areal Flood Advisory	HGX	3 hr
Jul 23, 8:00 PM CDT	Areal Flood Warning	HGX	5 hr
Jul 23, 10:55 PM CDT	River Flood Warning	HGX	4 hr
Jul 27, 11:17 AM CDT	Heat Advisory	HGX	32 hr
Jul 31, 11:23 PM CDT	Heat Advisory	HGX	20 hr
Aug 4, 6:50 PM CDT	Areal Flood Advisory	HGX	115 min
Aug 4, 7:50 PM CDT	Areal Flood Advisory	HGX	115 min
Aug 4, 7:52 PM CDT	Areal Flood Advisory	HGX	53 min
Aug 6, 1:24 PM CDT	Special Weather Statement	HGX	36 min
Aug 6, 1:57 PM CDT	Areal Flood Advisory	HGX	2 hr
Aug 6, 1:59 PM CDT	Special Weather Statement	HGX	31 min
Aug 8, 3:36 PM CDT	Areal Flood Advisory	HGX	114 min
Aug 9, 2:53 PM CDT	Special Weather Statement	HGX	37 min
Aug 10, 2:13 PM CDT	Areal Flood Advisory	HGX	2 hr
Aug 19, 11:55 AM CDT	Heat Advisory	HGX	7 days
Aug 27, 9:36 PM CDT	Severe Thunderstorm Warning	HGX	29 min
Aug 28, 5:39 AM CDT	Areal Flood Advisory	HGX	81 min
Aug 28, 2:00 PM CDT	Severe Thunderstorm Warning	HGX	45 min
Aug 28, 4:04 PM CDT	Severe Thunderstorm Warning	HGX	26 min
Aug 28, 4:24 PM CDT	Severe Thunderstorm Warning	HGX	36 min
Aug 28, 4:38 PM CDT	Severe Thunderstorm Warning	HGX	37 min
Aug 28, 4:56 PM CDT	Severe Thunderstorm Warning	HGX	34 min
Aug 28, 4:57 PM CDT	Areal Flood Advisory	HGX	63 min
Aug 31, 10:14 AM CDT	Flood Watch	HGX	3 days
Sep 3, 8:55 AM CDT	Areal Flood Advisory	HGX	2 hr
Sep 3, 12:38 PM CDT	Areal Flood Advisory	HGX	2 hr
Sep 3, 2:14 PM CDT	Areal Flood Advisory	HGX	91 min
Sep 3, 2:53 PM CDT	Areal Flood Advisory	HGX	97 min
Sep 4, 12:03 PM CDT	Special Weather Statement	HGX	57 min
Sep 6, 12:56 PM CDT	Areal Flood Advisory	HGX	64 min
Sep 6, 1:17 PM CDT	Areal Flood Advisory	HGX	58 min
Sep 10, 2:24 PM CDT	Areal Flood Advisory	HGX	51 min
Sep 12, 12:20 AM CDT	Heat Advisory	HGX	18 hr
Sep 12, 11:20 PM CDT	Heat Advisory	HGX	19 hr
Sep 13, 12:14 PM CDT	Heat Advisory	HGX	55 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	35
Tornado Warning	1
Severe Thunderstorm Watch	1
Tornado Watch	2
Mesoscale Discussion	12
Special Weather Statement	38
Flooding
Areal Flood Warning	9
Flash Flood Warning	13
River Flood Warning	2
Flood Watch	5
Areal Flood Advisory	67
Winter
Winter Storm Warning	1
Winter Storm Watch	1
Heat
Extreme Heat Warning	2
Heat Advisory	10
Cold
Extreme Cold Warning	1
Freeze Warning	1
Extreme Cold Watch	2
Freeze Watch	1
Cold Weather Advisory	1
Wind and dust
Wind Advisory	2
Fire
Red Flag Warning	1
Fire Weather Watch	1
Fog and smoke
Dense Fog Advisory	18

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 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.