Alert archive / Iowa / Washington County / 2026
Weather alerts in Washington County, Iowa, September 2026
22 weather alerts in September 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
- Alerts
- 22
- Warnings
- 8
- Watches
- 7
- Advisories
- 2
- Busiest day
- September 20, 20266 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|
| Sep 2, 2:02 AM CDT | Extreme Heat Warning | DVN | 4 days |
| Sep 8, 2:49 PM CDT | Mesoscale Discussion | SPC | 116 min |
| Sep 8, 7:33 PM CDT | Mesoscale Discussion | SPC | 117 min |
| Sep 8, 8:18 PM CDT | Severe Thunderstorm Warning | DVN | 57 min |
| Sep 11, 2:07 AM CDT | Dense Fog Advisory | DVN | 8 hr |
| Sep 14, 9:11 PM CDT | Mesoscale Discussion | SPC | 64 min |
| Sep 16, 10:56 AM CDT | River Flood Watch | DVN | 12 hr |
| Sep 16, 12:32 PM CDT | Flood Watch | DVN | 20 hr |
| Sep 16, 9:26 PM CDT | Dense Fog Advisory | DVN | 12 hr |
| Sep 18, 1:23 AM CDT | Flood Watch | DVN | 60 hr |
| Sep 19, 8:54 AM CDT | River Flood Watch | DVN | 20 hr |
| Sep 20, 12:16 AM CDT | Flash Flood Warning | DVN | 8 hr |
| Sep 20, 1:03 AM CDT | Special Weather Statement | DVN | 42 min |
| Sep 20, 1:18 AM CDT | Severe Thunderstorm Warning | DVN | 57 min |
| Sep 20, 5:17 AM CDT | River Flood Warning | DVN | 4 days |
| Sep 20, 5:43 AM CDT | River Flood Warning | DVN | 4 days |
| Sep 20, 8:04 AM CDT | Areal Flood Warning | DVN | 6 hr |
| Sep 21, 11:36 PM CDT | Special Weather Statement | DVN | 39 min |
| Sep 29, 9:54 PM CDT | River Flood Watch | DVN | 13 hr |
| Sep 30, 1:46 AM CDT | Flood Watch | DVN | 45 hr |
| Sep 30, 11:10 AM CDT | River Flood Watch | DVN | 10 hr |
| Sep 30, 11:17 AM CDT | River Flood Warning | DVN | 5 days |
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 | 3 |
| Special Weather Statement | 2 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 1 |
| River Flood Warning | 3 |
| Flood Watch | 3 |
| River Flood Watch | 4 |
| Heat | |
| Extreme Heat Warning | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
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.