Winter Weather Advisories in Iowa
1,494 winter weather advisories 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 winter weather advisories reaches back to 2005.
Winter Weather Advisories by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Winter Weather Advisories
- 1,494
- Busiest year
- 2018132 winter weather advisories
- Average year
- 68over 22 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.
- Dickinson County216
- Cerro Gordo County214
- Osceola County211
- Franklin County210
- Kossuth County207
- Lyon County207
- Clay County205
- Black Hawk County203
- Hancock County203
- Emmet County202
- Winneshiek County201
- Worth County201
- Butler County199
- Grundy County199
- O'Brien County199
- Winnebago County199
- Hardin County198
- Howard County197
- Bremer County196
- Mitchell County196
- Chickasaw County195
- Floyd County194
- Fayette County193
- Humboldt County192
- Palo Alto County192
- Sioux County192
- Wright County191
- Allamakee County188
- Delaware County188
- Pocahontas County186
- Jones County185
- Dubuque County183
- Hamilton County183
- Linn County183
- Jackson County183
- Clayton County182
- Buchanan County181
- Cherokee County181
- Webster County181
- Benton County180
59 more counties
- Cedar County180
- Clinton County180
- Johnson County180
- Marshall County179
- Tama County179
- Monona County177
- Buena Vista County176
- Scott County176
- Iowa County174
- Story County174
- Harrison County173
- Boone County172
- Calhoun County172
- Jasper County172
- Muscatine County172
- Pottawattamie County171
- Woodbury County171
- Plymouth County170
- Greene County167
- Ida County167
- Polk County167
- Sac County166
- Shelby County165
- Dallas County164
- Poweshiek County164
- Louisa County161
- Crawford County160
- Guthrie County160
- Audubon County159
- Carroll County158
- Des Moines County156
- Washington County155
- Fremont County154
- Mills County152
- Warren County149
- Cass County148
- Marion County148
- Keokuk County147
- Mahaska County146
- Adair County145
- Madison County145
- Page County145
- Henry County145
- Montgomery County144
- Lee County139
- Union County138
- Jefferson County138
- Clarke County137
- Lucas County137
- Monroe County135
- Wayne County135
- Decatur County133
- Ringgold County133
- Wapello County132
- Adams County131
- Taylor County130
- Van Buren County129
- Davis County127
- Appanoose County124
The latest winter weather advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 1:20 PM CDT | Winter Weather Advisory | DMX | Adair, Adams, Audubon, Cass, Clarke, Decatur and 7 more | 21 hr |
| Apr 6, 12:57 PM CDT | Winter Weather Advisory | OAX | Harrison, Mills, Montgomery, Pottawattamie, Shelby | 20 hr |
| Mar 16, 1:05 PM CDT | Winter Weather Advisory | DVN | Cedar, Clinton, Delaware, Des Moines, Dubuque, Henry and 13 more | 11 hr |
| Mar 16, 5:37 AM CDT | Winter Weather Advisory | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 4 hr |
| Mar 16, 3:43 AM CDT | Winter Weather Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 9 hr |
| Mar 15, 1:18 PM CDT | Winter Weather Advisory | DVN | Benton, Buchanan, Cedar, Delaware, Des Moines, Dubuque and 12 more | 24 hr |
| Mar 14, 11:16 AM CDT | Winter Weather Advisory | OAX | Fremont, Harrison, Mills, Montgomery, Page, Pottawattamie | 35 hr |
| Mar 14, 6:09 AM CDT | Winter Weather Advisory | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 31 hr |
| Mar 6, 1:16 PM CST | Winter Weather Advisory | DMX | Emmet, Hancock, Humboldt, Kossuth, Palo Alto, Pocahontas and 1 more | 19 hr |
| Mar 5, 1:55 PM CST | Winter Weather Advisory | FSD | Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux | 41 hr |
| Feb 27, 2:25 AM CST | Winter Weather Advisory | ARX | Allamakee, Howard, Winneshiek | 38 hr |
| Feb 19, 2:49 AM CST | Winter Weather Advisory | DVN | Benton, Buchanan, Cedar, Delaware, Dubuque, Iowa and 4 more | 30 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.