Alert archive / Colorado / Boulder County / 2026
Weather alerts in Boulder County, Colorado, July 2026
15 weather alerts in July 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 15
- Warnings
- 2
- Watches
- 0
- Advisories
- 8
- Busiest day
- July 28, 20264 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 |
|---|---|---|---|
| Jul 1, 10:15 PM MDT | Special Weather Statement | BOU | 45 min |
| Jul 9, 2:21 PM MDT | Special Weather Statement | BOU | 24 min |
| Jul 12, 1:11 PM MDT | Heat Advisory | BOU | 32 hr |
| Jul 17, 12:00 PM MDT | Heat Advisory | BOU | 3 days |
| Jul 20, 2:51 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Jul 22, 2:19 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jul 24, 2:51 AM MDT | Heat Advisory | BOU | 42 hr |
| Jul 24, 2:51 AM MDT | Heat Advisory | BOU | 66 hr |
| Jul 24, 5:05 PM MDT | Severe Thunderstorm Warning | BOU | 40 min |
| Jul 28, 1:52 PM MDT | Severe Thunderstorm Warning | BOU | 26 min |
| Jul 28, 2:18 PM MDT | Special Weather Statement | BOU | 27 min |
| Jul 28, 2:28 PM MDT | Areal Flood Advisory | BOU | 3 hr |
| Jul 28, 2:48 PM MDT | Areal Flood Advisory | BOU | 117 min |
| Jul 31, 2:15 AM MDT | Heat Advisory | BOU | 4 days |
| Jul 31, 5:19 PM MDT | Special Weather Statement | BOU | 26 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 | 2 |
| Mesoscale Discussion | 1 |
| Special Weather Statement | 4 |
| Flooding | |
| Areal Flood Advisory | 3 |
| Heat | |
| Heat Advisory | 5 |
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.