Alert archive / Iowa / Winter Storm Watches
Winter Storm Watches in Iowa, 2021
21 winter storm watches in 2021. 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 winter storm watches reaches back to 2005.
Winter Storm Watches by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Winter Storm Watches
- 21
- Busiest month
- January11 winter storm watches
- Busiest day
- March 13, 20214 winter storm watches
Over time
By month
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 | Counties | Lasted |
|---|---|---|---|---|
| Jan 13, 3:35 AM CST | Winter Storm Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 24 hr |
| Jan 13, 3:30 PM CST | Winter Storm Watch | OAX | Harrison, Monona, Shelby | 23 hr |
| Jan 13, 3:49 PM CST | Winter Storm Watch | DMX | Audubon, Calhoun, Carroll, Cerro Gordo, Crawford, Emmet and 13 more | 12 hr |
| Jan 23, 12:55 PM CST | Winter Storm Watch | OAX | Fremont, Mills, Montgomery, Page, Pottawattamie | 14 hr |
| Jan 23, 3:27 PM CST | Winter Storm Watch | DMX | Adair, Adams, Appanoose, Cass, Clarke, Dallas and 16 more | 12 hr |
| Jan 23, 3:44 PM CST | Winter Storm Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 23 hr |
| Jan 24, 3:15 AM CST | Winter Storm Watch | OAX | Harrison, Monona, Shelby | 10 hr |
| Jan 24, 3:17 AM CST | Winter Storm Watch | DMX | Audubon, Black Hawk, Boone, Carroll, Crawford, Greene and 6 more | 12 hr |
| Jan 29, 2:11 AM CST | Winter Storm Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more | 12 hr |
| Jan 29, 2:45 AM CST | Winter Storm Watch | ARX | Clayton, Fayette | 12 hr |
| Jan 29, 2:56 AM CST | Winter Storm Watch | DMX | Black Hawk, Bremer, Butler, Grundy, Tama | 12 hr |
| Feb 2, 2:29 PM CST | Winter Storm Watch | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 23 hr |
| Feb 3, 4:01 AM CST | Winter Storm Watch | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more | 11 hr |
| Feb 27, 3:52 AM CST | Winter Storm Watch | FSD | Lyon | 11 hr |
| Mar 13, 3:08 AM CST | Winter Storm Watch | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Cerro Gordo and 17 more | 24 hr |
| Mar 13, 3:20 AM CST | Winter Storm Watch | ARX | Chickasaw, Fayette, Floyd, Howard, Mitchell | 24 hr |
| Mar 13, 3:24 AM CST | Winter Storm Watch | FSD | Buena Vista, Clay, Dickinson, Lyon, O'Brien, Osceola | 24 hr |
| Mar 13, 3:00 PM CST | Winter Storm Watch | DVN | Benton, Buchanan | 12 hr |
| Dec 8, 2:41 AM CST | Winter Storm Watch | ARX | Allamakee, Chickasaw, Floyd, Howard, Mitchell, Winneshiek | 35 hr |
| Dec 8, 3:06 AM CST | Winter Storm Watch | DMX | Cerro Gordo, Emmet, Hancock, Humboldt, Kossuth, Palo Alto and 3 more | 33 hr |
| Dec 8, 3:31 AM CST | Winter Storm Watch | FSD | Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 4 more | 32 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lyon County4
- Benton County4
- Buchanan County4
- Buena Vista County3
- Clay County3
- Dickinson County3
- O'Brien County3
- Osceola County3
- Cerro Gordo County3
- Emmet County3
- Hancock County3
- Humboldt County3
- Kossuth County3
- Palo Alto County3
- Pocahontas County3
- Winnebago County3
- Worth County3
- Cedar County3
- Clinton County3
- Delaware County3
- Dubuque County3
- Iowa County3
- Jackson County3
- Johnson County3
- Jones County3
- Linn County3
- Muscatine County3
- Scott County3
- Black Hawk County3
- Grundy County3
- Tama County3
- Fayette County3
- Chickasaw County3
- Floyd County3
- Howard County3
- Mitchell County3
- Cherokee County2
- Plymouth County2
- Sioux County2
- Woodbury County2
59 more counties
- Harrison County2
- Monona County2
- Shelby County2
- Audubon County2
- Calhoun County2
- Carroll County2
- Crawford County2
- Franklin County2
- Greene County2
- Hamilton County2
- Webster County2
- Wright County2
- Boone County2
- Hardin County2
- Marshall County2
- Story County2
- Clayton County2
- Bremer County2
- Butler County2
- Allamakee County2
- Winneshiek County2
- Ida County1
- Sac County1
- Fremont County1
- Mills County1
- Montgomery County1
- Page County1
- Pottawattamie County1
- Adair County1
- Adams County1
- Appanoose County1
- Cass County1
- Clarke County1
- Dallas County1
- Davis County1
- Decatur County1
- Jasper County1
- Lucas County1
- Madison County1
- Mahaska County1
- Marion County1
- Monroe County1
- Polk County1
- Poweshiek County1
- Ringgold County1
- Taylor County1
- Union County1
- Wapello County1
- Warren County1
- Wayne County1
- Des Moines County1
- Henry County1
- Jefferson County1
- Keokuk County1
- Lee County1
- Louisa County1
- Van Buren County1
- Washington County1
- Guthrie County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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. Rebuilt daily.