River Flood Watches in Iowa
715 river flood watches since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of river flood watches reaches back to 2005.
River Flood Watches by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- River Flood Watches
- 715
- Busiest year
- 2018144 river flood watches
- Average year
- 42over 17 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Louisa County119
- Des Moines County76
- Scott County71
- Black Hawk County66
- Clinton County63
- Muscatine County60
- Polk County49
- Johnson County45
- Lee County45
- Linn County36
- Cedar County35
- Iowa County28
- Humboldt County22
- Clayton County20
- Washington County20
- Benton County19
- Jackson County19
- Dallas County19
- Webster County18
- Floyd County16
- Jones County16
- Dubuque County14
- Greene County13
- Bremer County13
- Butler County12
- Hamilton County11
- Keokuk County11
- Henry County10
- Boone County10
- Wright County10
- Plymouth County9
- Allamakee County9
- Cerro Gordo County9
- Worth County9
- Clay County8
- Emmet County8
- Davis County8
- Wapello County8
- Sioux County7
- Kossuth County7
32 more counties
- Palo Alto County7
- Pocahontas County7
- Tama County7
- Lyon County6
- Jasper County5
- Marion County5
- Marshall County5
- Warren County5
- Dickinson County4
- Delaware County4
- Decatur County4
- Buena Vista County3
- Buchanan County3
- Story County3
- Monona County3
- Woodbury County3
- Franklin County3
- Poweshiek County3
- Cass County2
- Madison County2
- Pottawattamie County2
- Appanoose County2
- Winneshiek County2
- Cherokee County1
- O'Brien County1
- Fremont County1
- Harrison County1
- Mills County1
- Lucas County1
- Monroe County1
- Taylor County1
- Wayne County1
The latest river flood watches
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 10:02 AM CDT | River Flood Watch | DVN | Louisa | 35 hr |
| Sep 19, 10:20 PM CDT | River Flood Watch | DVN | Keokuk | 11 hr |
| Sep 19, 10:12 PM CDT | River Flood Watch | DVN | Des Moines, Lee | 6 days |
| Sep 19, 10:12 PM CDT | River Flood Watch | DVN | Muscatine | 5 days |
| Sep 19, 10:12 PM CDT | River Flood Watch | DVN | Des Moines | 7 days |
| Sep 19, 10:12 PM CDT | River Flood Watch | DVN | Des Moines, Louisa | 6 days |
| Sep 19, 10:12 PM CDT | River Flood Watch | DVN | Louisa | 6 days |
| Sep 19, 10:12 PM CDT | River Flood Watch | DVN | Louisa, Muscatine | 5 days |
| Sep 19, 10:12 PM CDT | River Flood Watch | DVN | Muscatine, Scott | 4 days |
| Sep 19, 8:42 PM CDT | River Flood Watch | DVN | Louisa | 6 days |
| Sep 19, 8:42 PM CDT | River Flood Watch | DVN | Louisa | 6 days |
| Sep 19, 9:37 AM CDT | River Flood Watch | DVN | Cedar, Jones, Linn | 35 hr |
Nearby
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.