Alert archive / Colorado / Washington County / 2026
Weather alerts in Washington County, Colorado, May 2026
31 weather alerts in May 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 31
- Warnings
- 14
- Watches
- 5
- Advisories
- 2
- Busiest day
- May 21, 20268 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 4, 12:51 AM MDT | Winter Weather Advisory | BOU | 61 hr |
| May 4, 12:59 PM MDT | Freeze Watch | BOU | 23 hr |
| May 5, 11:31 AM MDT | Freeze Warning | BOU | 44 hr |
| May 9, 7:20 PM MDT | Severe Thunderstorm Warning | BOU | 40 min |
| May 9, 7:23 PM MDT | Special Weather Statement | BOU | 22 min |
| May 16, 1:36 PM MDT | Mesoscale Discussion | SPC | 84 min |
| May 16, 3:05 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 16, 3:58 PM MDT | Severe Thunderstorm Warning | BOU | 47 min |
| May 17, 11:53 AM MDT | Freeze Watch | BOU | 24 hr |
| May 17, 2:08 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| May 18, 11:36 AM MDT | Frost Advisory | BOU | 20 hr |
| May 21, 2:19 PM MDT | Mesoscale Discussion | SPC | 116 min |
| May 21, 2:55 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 21, 4:33 PM MDT | Severe Thunderstorm Warning | BOU | 42 min |
| May 21, 4:52 PM MDT | Tornado Warning | BOU | 38 min |
| May 21, 5:16 PM MDT | Mesoscale Discussion | SPC | 119 min |
| May 21, 5:22 PM MDT | Tornado Warning | BOU | 38 min |
| May 21, 5:56 PM MDT | Tornado Warning | BOU | 36 min |
| May 21, 5:59 PM MDT | Tornado Warning | BOU | 31 min |
| May 21, 6:25 PM MDT | Severe Thunderstorm Warning | BOU | 35 min |
| May 21, 6:30 PM MDT | Severe Thunderstorm Warning | BOU | 30 min |
| May 21, 6:51 PM MDT | Flash Flood Warning | BOU | 6 hr |
| May 21, 7:01 PM MDT | Severe Thunderstorm Warning | BOU | 18 min |
| May 21, 7:09 PM MDT | Severe Thunderstorm Warning | BOU | 36 min |
| May 27, 2:37 PM MDT | Special Weather Statement | BOU | 38 min |
| May 29, 2:19 PM MDT | Mesoscale Discussion | SPC | 116 min |
| May 29, 4:59 PM MDT | Special Weather Statement | BOU | 31 min |
| May 30, 1:14 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 30, 2:13 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
| May 30, 5:20 PM MDT | Mesoscale Discussion | SPC | 85 min |
| May 30, 5:33 PM MDT | Severe Thunderstorm Warning | BOU | 27 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 | 8 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 7 |
| Special Weather Statement | 3 |
| Flooding | |
| Flash Flood Warning | 1 |
| Winter | |
| Winter Weather Advisory | 1 |
| Cold | |
| Freeze Warning | 1 |
| Freeze Watch | 2 |
| Frost Advisory | 1 |
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.