Alert archive / Texas / Hays County
Weather alerts in Hays County, Texas, 2026
81 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Hays County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 81
- Warnings
- 21
- Watches
- 16
- Advisories
- 21
- Busiest month
- May24 alerts
- Busiest day
- June 15, 20266 alerts
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
Hays County, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Tornado warnings | 0 | 0 | ||||
| Severe thunderstorm warnings | 10 | 5 | 50% | 4 | 100% | 11 min |
| Flash flood warnings | 4 | 4 | 0% | 1 | 100% | 307 min |
Each office's whole area, 2026
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Austin/San Antonio, TX: tornado warnings | 40 | 6 | 85% | 10 | 60% | 16 min |
| NWS Austin/San Antonio, TX: severe thunderstorm warnings | 170 | 73 | 57% | 192 | 73% | 27 min |
| NWS Austin/San Antonio, TX: flash flood warnings | 100 | 69 | 31% | 191 | 91% | 312 min |
An office's figures cover every county it serves, including across state lines.
The year is still running; reports filed late and damage surveys can still change these figures.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 16, 1:02 PM CST | Red Flag Warning | EWX | 31 hr |
| Jan 21, 12:21 PM CST | Winter Storm Watch | EWX | 23 hr |
| Jan 21, 12:43 PM CST | Extreme Cold Watch | EWX | 31 hr |
| Jan 22, 11:42 AM CST | Winter Storm Warning | EWX | 3 days |
| Jan 22, 7:23 PM CST | Extreme Cold Warning | EWX | 5 days |
| Jan 23, 1:49 AM CST | Dense Fog Advisory | EWX | 10 hr |
| Jan 24, 12:26 PM CST | Ice Storm Warning | EWX | 24 hr |
| Jan 24, 10:52 PM CST | Mesoscale Discussion | SPC | 4 hr |
| Jan 29, 12:01 PM CST | Cold Weather Advisory | EWX | 46 hr |
| Feb 14, 10:49 AM CST | Mesoscale Discussion | SPC | 116 min |
| Feb 20, 12:23 PM CST | Red Flag Warning | EWX | 33 hr |
| Mar 7, 3:52 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 9, 4:16 AM CDT | Dense Fog Advisory | EWX | 7 hr |
| Mar 10, 8:15 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 11, 4:55 AM CDT | Areal Flood Advisory | EWX | 3 hr |
| Mar 13, 11:41 PM CDT | Fire Weather Watch | EWX | 12 hr |
| Mar 14, 11:48 AM CDT | Wind Advisory | EWX | 41 hr |
| Mar 14, 12:00 PM CDT | Red Flag Warning | EWX | 56 hr |
| Apr 4, 4:10 PM CDT | Areal Flood Advisory | EWX | 3 hr |
| Apr 12, 1:02 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 12, 10:11 AM CDT | Flood Watch | EWX | 11 hr |
| Apr 12, 2:19 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Apr 18, 7:21 PM CDT | Special Weather Statement | EWX | 39 min |
| Apr 22, 6:02 AM CDT | Dense Fog Advisory | EWX | 4 hr |
| Apr 29, 12:54 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 30, 11:19 AM CDT | Flood Watch | EWX | 29 hr |
| Apr 30, 12:57 PM CDT | Severe Thunderstorm Warning | EWX | 63 min |
| Apr 30, 1:38 PM CDT | Severe Thunderstorm Warning | EWX | 28 min |
| May 1, 1:53 AM CDT | Areal Flood Advisory | EWX | 8 hr |
| May 6, 8:32 AM CDT | Severe Thunderstorm Watch | SPC | 2 hr |
| May 9, 3:33 PM CDT | Severe Thunderstorm Warning | EWX | 57 min |
| May 9, 4:22 PM CDT | Special Weather Statement | EWX | 38 min |
| May 10, 5:17 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 10, 6:15 PM CDT | Mesoscale Discussion | SPC | 3 hr |
| May 10, 9:28 PM CDT | Special Weather Statement | EWX | 47 min |
| May 10, 9:51 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 10, 10:04 PM CDT | Severe Thunderstorm Warning | EWX | 56 min |
| May 10, 10:16 PM CDT | Areal Flood Advisory | EWX | 3 hr |
| May 19, 5:48 PM CDT | Mesoscale Discussion | SPC | 117 min |
| May 19, 6:12 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 19, 8:20 PM CDT | Severe Thunderstorm Warning | EWX | 55 min |
| May 19, 8:33 PM CDT | Mesoscale Discussion | SPC | 2 hr |
| May 19, 8:54 PM CDT | Severe Thunderstorm Warning | EWX | 66 min |
| May 19, 9:26 PM CDT | Severe Thunderstorm Warning | EWX | 64 min |
| May 21, 12:14 PM CDT | Flood Watch | EWX | 55 hr |
| May 21, 5:34 PM CDT | Mesoscale Discussion | SPC | 86 min |
| May 21, 6:43 PM CDT | Special Weather Statement | EWX | 47 min |
| May 22, 11:37 PM CDT | Special Weather Statement | EWX | 38 min |
| May 26, 11:09 AM CDT | Flood Watch | EWX | 15 hr |
| May 26, 7:06 PM CDT | Mesoscale Discussion | SPC | 84 min |
| May 26, 8:15 PM CDT | Special Weather Statement | EWX | 90 min |
| May 26, 9:31 PM CDT | Special Weather Statement | EWX | 89 min |
| Jun 2, 8:03 PM CDT | Special Weather Statement | EWX | 42 min |
| Jun 2, 8:27 PM CDT | Severe Thunderstorm Warning | EWX | 48 min |
| Jun 2, 8:45 PM CDT | Special Weather Statement | EWX | 60 min |
| Jun 5, 1:25 PM CDT | Flood Watch | EWX | 12 hr |
| Jun 5, 8:15 PM CDT | Areal Flood Advisory | EWX | 4 hr |
| Jun 14, 9:38 AM CDT | Flood Watch | EWX | 55 hr |
| Jun 15, 1:53 AM CDT | Areal Flood Advisory | EWX | 27 min |
| Jun 15, 2:20 AM CDT | Flash Flood Warning | EWX | 7 hr |
| Jun 15, 3:15 AM CDT | Flash Flood Warning | EWX | 6 hr |
| Jun 15, 4:23 AM CDT | Flash Flood Warning | EWX | 4 hr |
| Jun 15, 8:59 AM CDT | Areal Flood Advisory | EWX | 91 min |
| Jun 15, 9:02 AM CDT | Areal Flood Advisory | EWX | 88 min |
| Jun 17, 12:01 AM CDT | Extreme Heat Warning | EWX | 45 hr |
| Jun 19, 5:15 AM CDT | Heat Advisory | EWX | 12 hr |
| Jun 19, 10:02 AM CDT | Mesoscale Discussion | SPC | 118 min |
| Jul 11, 12:36 PM CDT | Areal Flood Advisory | EWX | 4 hr |
| Jul 13, 10:03 AM CDT | Flood Watch | EWX | 4 days |
| Jul 15, 10:33 AM CDT | Flash Flood Warning | EWX | 5 hr |
| Jul 21, 11:46 AM CDT | Heat Advisory | EWX | 57 hr |
| Aug 9, 7:18 PM CDT | Special Weather Statement | EWX | 42 min |
| Aug 19, 10:52 AM CDT | Heat Advisory | EWX | 8 days |
| Aug 27, 2:20 PM CDT | Mesoscale Discussion | SPC | 115 min |
| Aug 27, 5:28 PM CDT | Special Weather Statement | EWX | 47 min |
| Aug 27, 5:29 PM CDT | Severe Thunderstorm Warning | EWX | 29 min |
| Aug 27, 6:01 PM CDT | Severe Thunderstorm Warning | EWX | 59 min |
| Aug 28, 8:49 PM CDT | Areal Flood Advisory | EWX | 3 hr |
| Sep 11, 12:08 PM CDT | Heat Advisory | EWX | 31 hr |
| Sep 13, 12:39 AM CDT | Heat Advisory | EWX | 18 hr |
| Sep 13, 12:19 PM CDT | Heat Advisory | EWX | 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 | 10 |
| Severe Thunderstorm Watch | 6 |
| Mesoscale Discussion | 12 |
| Special Weather Statement | 11 |
| Flooding | |
| Flash Flood Warning | 4 |
| Flood Watch | 7 |
| Areal Flood Advisory | 10 |
| Winter | |
| Ice Storm Warning | 1 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 1 |
| Heat | |
| Extreme Heat Warning | 1 |
| Heat Advisory | 6 |
| Cold | |
| Extreme Cold Warning | 1 |
| Extreme Cold Watch | 1 |
| Cold Weather Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fire | |
| Red Flag Warning | 3 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
The busiest days
Days with the most alerts issued, by UTC date.
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.