Alert archive / Iowa / 2025

Weather alerts in Iowa, December 2025

109 weather alerts in December 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in December 2025. Tap one for its archive.

Alerts: 109
Warnings: 28
Watches: 7
Advisories: 60
Busiest day: December 28, 202520 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	Counties	Lasted
Dec 5, 3:03 AM CST	Winter Storm Watch	DMX	Black Hawk, Boone, Butler, Calhoun, Carroll, Cerro Gordo and 22 more	11 hr
Dec 5, 3:33 AM CST	Winter Weather Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	44 hr
Dec 5, 1:10 PM CST	Winter Weather Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	38 hr
Dec 5, 1:19 PM CST	Winter Weather Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	41 hr
Dec 5, 1:31 PM CST	Winter Weather Advisory	OAX	Harrison, Monona, Shelby	31 hr
Dec 5, 1:47 PM CST	Winter Storm Warning	DMX	Black Hawk, Boone, Bremer, Butler, Calhoun, Cerro Gordo and 17 more	37 hr
Dec 5, 1:47 PM CST	Winter Weather Advisory	DMX	Adair, Audubon, Boone, Bremer, Calhoun, Carroll and 20 more	37 hr
Dec 6, 2:29 AM CST	Winter Storm Warning	ARX	Chickasaw, Fayette, Floyd, Mitchell	25 hr
Dec 6, 3:08 AM CST	Winter Storm Warning	FSD	Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 2 more	21 hr
Dec 6, 6:49 AM CST	Dense Fog Advisory	OAX	Fremont, Mills, Montgomery, Page	2 hr
Dec 6, 12:25 PM CST	Mesoscale Discussion	SPC	Buena Vista, Calhoun, Cherokee, Clay, Dickinson, Ida and 9 more	6 hr
Dec 6, 1:49 PM CST	Winter Storm Warning	DVN	Benton, Buchanan, Clinton, Jackson, Jones, Linn	16 hr
Dec 6, 6:54 PM CST	Mesoscale Discussion	SPC	Boone, Clarke, Dallas, Franklin, Greene, Grundy and 18 more	3 hr
Dec 8, 5:35 AM CST	Dense Fog Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 4 more	15 hr
Dec 8, 2:24 PM CST	Winter Storm Watch	DMX	Black Hawk, Boone, Bremer, Butler, Calhoun, Carroll and 21 more	23 hr
Dec 8, 2:45 PM CST	High Wind Warning	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	39 hr
Dec 8, 2:45 PM CST	Winter Storm Watch	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	21 hr
Dec 8, 2:59 PM CST	Winter Weather Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	41 hr
Dec 9, 2:59 AM CST	Wind Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Bremer and 23 more	30 hr
Dec 9, 3:01 AM CST	Wind Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	30 hr
Dec 9, 3:10 AM CST	Winter Weather Advisory	DVN	Benton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more	30 hr
Dec 9, 11:16 AM CST	High Wind Warning	OAX	Harrison, Monona, Pottawattamie, Shelby	21 hr
Dec 9, 11:52 AM CST	Winter Weather Advisory	FSD	Clay, Dickinson, Osceola	16 hr
Dec 9, 1:31 PM CST	High Wind Warning	DMX	Audubon, Boone, Calhoun, Carroll, Cerro Gordo, Crawford and 20 more	19 hr
Dec 9, 1:31 PM CST	Winter Weather Advisory	DMX	Black Hawk, Bremer, Butler, Calhoun, Cerro Gordo, Emmet and 16 more	16 hr
Dec 9, 1:50 PM CST	Wind Advisory	DVN	Cedar, Clinton, Des Moines, Henry, Iowa, Jefferson and 8 more	19 hr
Dec 10, 3:13 AM CST	Winter Weather Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 2 more	39 hr
Dec 11, 1:44 AM CST	Winter Weather Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Des Moines, Henry and 12 more	22 hr
Dec 11, 2:31 AM CST	Winter Weather Advisory	DMX	Black Hawk, Boone, Butler, Calhoun, Cerro Gordo, Emmet and 23 more	19 hr
Dec 11, 1:31 PM CST	Cold Weather Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	68 hr
Dec 12, 2:24 AM CST	Winter Weather Advisory	FSD	Buena Vista, Cherokee, Ida, Lyon, O'Brien, Plymouth and 2 more	34 hr
Dec 12, 2:30 AM CST	Winter Weather Advisory	OAX	Monona	34 hr
Dec 12, 3:24 AM CST	Winter Weather Advisory	DVN	Cedar, Des Moines, Henry, Iowa, Jefferson, Johnson and 7 more	39 hr
Dec 12, 3:35 AM CST	Winter Weather Advisory	DMX	Boone, Calhoun, Carroll, Crawford, Dallas, Davis and 16 more	35 hr
Dec 12, 1:30 PM CST	Cold Weather Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	65 hr
Dec 12, 2:08 PM CST	Cold Weather Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 3 more	44 hr
Dec 12, 2:20 PM CST	Cold Weather Advisory	DMX	Appanoose, Black Hawk, Boone, Bremer, Butler, Calhoun and 33 more	44 hr
Dec 13, 9:43 AM CST	Mesoscale Discussion	SPC	Des Moines, Henry, Lee, Louisa, Muscatine, Washington	4 hr
Dec 16, 1:53 PM CST	High Wind Watch	OAX	Monona	12 hr
Dec 16, 1:57 PM CST	High Wind Watch	FSD	Lyon, Plymouth, Sioux, Woodbury	13 hr
Dec 17, 2:18 AM CST	High Wind Warning	OAX	Harrison, Monona	40 hr
Dec 17, 2:18 AM CST	Wind Advisory	OAX	Fremont, Mills, Montgomery, Page, Pottawattamie, Shelby	40 hr
Dec 17, 2:43 AM CST	High Wind Warning	FSD	Lyon, Plymouth, Sioux, Woodbury	42 hr
Dec 17, 2:43 AM CST	Wind Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 1 more	42 hr
Dec 17, 2:58 AM CST	Wind Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	45 hr
Dec 17, 1:22 PM CST	Wind Advisory	ARX	Chickasaw, Clayton, Fayette, Floyd, Howard, Mitchell and 1 more	35 hr
Dec 18, 2:19 AM CST	Wind Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	22 hr
Dec 18, 6:08 AM CST	Special Weather Statement	DVN	Benton, Iowa, Jefferson, Keokuk, Van Buren, Washington	37 min
Dec 18, 6:40 AM CST	Special Weather Statement	DVN	Benton, Iowa, Jefferson, Keokuk, Van Buren, Washington	65 min
Dec 18, 6:41 AM CST	Special Weather Statement	DVN	Benton, Iowa, Jefferson, Keokuk, Van Buren, Washington	64 min
Dec 18, 6:47 AM CST	Winter Weather Advisory	FSD	Clay, Dickinson, Lyon, O'Brien, Osceola, Sioux	11 hr
Dec 18, 7:38 AM CST	Special Weather Statement	DVN	Henry, Jefferson, Johnson, Jones, Keokuk, Linn and 2 more	52 min
Dec 18, 8:27 AM CST	Special Weather Statement	DVN	Cedar, Des Moines, Henry, Jackson, Jones, Lee and 2 more	48 min
Dec 18, 9:41 AM CST	Special Weather Statement	DVN	Clinton, Scott	49 min
Dec 18, 11:00 AM CST	Winter Weather Advisory	DMX	Cerro Gordo, Emmet, Hancock, Kossuth, Palo Alto, Winnebago and 1 more	5 hr
Dec 18, 11:22 AM CST	Winter Weather Advisory	ARX	Allamakee, Chickasaw, Clayton, Floyd, Howard, Mitchell and 1 more	13 hr
Dec 18, 12:48 PM CST	Special Weather Statement	OAX	Harrison, Monona, Pottawattamie, Shelby	87 min
Dec 18, 3:59 PM CST	Blizzard Warning	ARX	Chickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek	5 hr
Dec 18, 3:59 PM CST	Blizzard Warning	DMX	Bremer, Butler, Cerro Gordo, Emmet, Franklin, Hancock and 7 more	5 hr
Dec 18, 3:59 PM CST	Winter Storm Warning	DMX	Black Hawk, Grundy, Hamilton, Hardin, Marshall, Tama and 1 more	5 hr
Dec 18, 4:06 PM CST	Winter Storm Warning	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more	6 hr
Dec 23, 8:40 PM CST	Dense Fog Advisory	FSD	Dickinson	9 hr
Dec 23, 9:20 PM CST	Dense Fog Advisory	DMX	Emmet, Kossuth, Palo Alto	8 hr
Dec 24, 1:19 PM CST	Dense Fog Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	68 hr
Dec 24, 1:38 PM CST	Dense Fog Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	22 hr
Dec 24, 4:34 PM CST	Dense Fog Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	43 hr
Dec 24, 7:05 PM CST	Dense Fog Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	9 hr
Dec 24, 10:02 PM CST	Dense Fog Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	8 hr
Dec 25, 9:09 AM CST	Dense Fog Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	24 hr
Dec 25, 3:37 PM CST	Dense Fog Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	14 hr
Dec 26, 1:38 AM CST	Dense Fog Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	9 hr
Dec 26, 4:44 PM CST	Dense Fog Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	42 hr
Dec 26, 4:44 PM CST	Dense Fog Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more	40 hr
Dec 26, 5:49 PM CST	Dense Fog Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	17 hr
Dec 26, 7:16 PM CST	Dense Fog Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	41 hr
Dec 27, 3:19 AM CST	Winter Storm Watch	DMX	Cerro Gordo, Emmet, Hancock, Kossuth, Winnebago, Worth	18 hr
Dec 27, 3:38 AM CST	Winter Storm Watch	ARX	Chickasaw, Floyd, Howard, Mitchell	11 hr
Dec 27, 3:38 AM CST	Winter Weather Advisory	ARX	Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more	56 hr
Dec 27, 12:47 PM CST	Dense Fog Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	17 hr
Dec 27, 1:41 PM CST	Dense Fog Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	15 hr
Dec 27, 1:41 PM CST	Wind Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	19 hr
Dec 27, 1:50 PM CST	Wind Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more	44 hr
Dec 27, 2:03 PM CST	Winter Weather Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	28 hr
Dec 27, 2:10 PM CST	Wind Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	34 hr
Dec 27, 2:11 PM CST	Winter Weather Advisory	FSD	Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more	40 hr
Dec 27, 2:17 PM CST	Winter Storm Warning	ARX	Allamakee, Winneshiek	40 hr
Dec 27, 2:36 PM CST	Winter Weather Advisory	DMX	Adair, Audubon, Black Hawk, Boone, Bremer, Butler and 25 more	42 hr
Dec 27, 2:42 PM CST	Wind Advisory	DMX	Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 33 more	39 hr
Dec 27, 9:44 PM CST	Blizzard Warning	DMX	Black Hawk, Bremer, Butler, Calhoun, Cerro Gordo, Emmet and 14 more	35 hr
Dec 27, 9:48 PM CST	Blizzard Warning	ARX	Chickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek	33 hr
Dec 28, 2:09 AM CST	Winter Weather Advisory	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 5 more	31 hr
Dec 28, 8:14 AM CST	High Wind Warning	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	6 hr
Dec 28, 8:29 AM CST	Special Weather Statement	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	2 hr
Dec 28, 9:52 AM CST	Mesoscale Discussion	SPC	Dickinson, Emmet, Hancock, Kossuth, Palo Alto, Winnebago and 1 more	6 hr
Dec 28, 10:25 AM CST	Special Weather Statement	OAX	Harrison, Monona	65 min
Dec 28, 10:39 AM CST	Snow Squall Warning Significant damage threat	OAX	Harrison, Monona, Pottawattamie	36 min
Dec 28, 10:56 AM CST	Blizzard Warning	FSD	Clay, Dickinson, O'Brien, Osceola	19 hr
Dec 28, 11:18 AM CST	Snow Squall Warning Significant damage threat	DMX	Boone, Dallas, Greene, Guthrie, Hamilton, Hardin and 2 more	27 min
Dec 28, 11:30 AM CST	Snow Squall Warning Significant damage threat	DMX	Boone, Dallas, Madison, Polk, Story, Warren	30 min
Dec 28, 11:44 AM CST	Snow Squall Warning	OAX	Fremont, Harrison, Mills, Pottawattamie	61 min
Dec 28, 11:47 AM CST	Snow Squall Warning	DMX	Grundy, Hamilton, Hardin, Marshall, Story	28 min
Dec 28, 11:54 AM CST	Snow Squall Warning Significant damage threat	DMX	Jasper, Marion, Marshall, Polk, Story, Warren	36 min
Dec 28, 12:14 PM CST	Snow Squall Warning	DMX	Grundy, Hardin, Marshall, Story, Tama	31 min
Dec 28, 12:15 PM CST	Snow Squall Warning	OAX	Harrison, Monona, Shelby	60 min
Dec 28, 12:19 PM CST	Snow Squall Warning Significant damage threat	DMX	Jasper, Marion, Marshall, Polk, Warren	26 min
Dec 28, 12:45 PM CST	Snow Squall Warning Significant damage threat	DMX	Black Hawk, Grundy, Jasper, Marshall, Poweshiek, Tama	30 min
Dec 28, 2:27 PM CST	Wind Advisory	OAX	Fremont, Harrison, Mills, Monona, Montgomery, Page and 2 more	3 hr
Dec 28, 5:53 PM CST	Mesoscale Discussion	SPC	Allamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 16 more	5 hr
Dec 29, 8:42 AM CST	Winter Weather Advisory	DMX	Black Hawk, Bremer, Butler, Cerro Gordo, Emmet, Franklin and 11 more	3 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Mesoscale Discussion	5
Special Weather Statement	9
Winter
Blizzard Warning	5
Snow Squall Warning	10
Winter Storm Warning	7
Winter Storm Watch	5
Winter Weather Advisory	25
Cold
Cold Weather Advisory	4
Wind and dust
High Wind Warning	6
High Wind Watch	2
Wind Advisory	13
Fog and smoke
Dense Fog Advisory	18

By county

Every county with at least one alert. A county page lists each alert that covered it.

59 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2024 2026

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.