Alert archive / Iowa / Blizzard Warnings in 2025
Blizzard Warning 5, NWS Des Moines, IA
NWS Des Moines, IA issued this blizzard warning at Dec 27, 2025, 9:44 PM CST for 20 counties in Iowa. It took effect at Dec 28, 2025, 9:00 AM CST. It was in force for 24 hr. 8 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 27, 2025, 9:44 PM CST (03:44 UTC)
- In effect from
- Dec 28, 2025, 9:00 AM CST
- Expired
- Dec 29, 2025, 9:00 AM CST
- In force
- 24 hr
- Issued by
- NWS Des Moines, IA
Counties Black Hawk County, IA, Bremer County, IA, Butler County, IA, Calhoun County, IA, Cerro Gordo County, IA, Emmet County, IA, Franklin County, IA, Grundy County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Kossuth County, IA, Palo Alto County, IA, Pocahontas County, IA, Sac County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA
The radar
The Des Moines radar (KDMX), 118 km from the middle of the area, began a volume at 03:46 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 29, 6:00 AM CST | SNOW 1 | Sac City, IA | |
| Dec 29, 6:00 AM CST | SNOW 1.1 | Waterloo, IA | |
| Dec 29, 7:00 AM CST | SNOW 0.6 | Iowa Falls, IA | |
| Dec 29, 7:00 AM CST | SNOW 1.5 | Hampton, IA | |
| Dec 29, 7:00 AM CST | SNOW 1.5 | Webster City, IA | |
| Dec 29, 7:00 AM CST | SNOW 3 | Estherville, IA | |
| Dec 29, 7:00 AM CST | SNOW 4 | Fort Dodge, IA | |
| Dec 29, 8:00 AM CST | SNOW 1 | Pocahontas, IA |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 3.7 hours before the alert went out and 229 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 603 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
661 WWUS43 KDMX 280344 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 944 PM CST Sat Dec 27 2025 IAZ004>007-016-017-281345- /O.UPG.KDMX.WS.A.0008.251228T1500Z-251229T1200Z/ /O.NEW.KDMX.BZ.W.0005.251228T1500Z-251229T1200Z/ Emmet-Kossuth-Winnebago-Worth-Hancock-Cerro Gordo- Including the cities of Manly, Lake Mills, Estherville, Kanawha, Algona, Clear Lake, Garner, Britt, Forest City, Mason City, and Northwood 944 PM CST Sat Dec 27 2025 ...BLIZZARD WARNING IN EFFECT FROM 9 AM SUNDAY TO 6 AM CST MONDAY... * WHAT...Blizzard conditions expected. Total snow accumulations between 1 and 3 inches and ice accumulations around a light glaze. Winds gusting as high as 50 mph. * WHERE...Portions of north central and northwest Iowa. * WHEN...From 9 AM Sunday to 6 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Widespread blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ023-033>039-044-045-281345- /O.EXA.KDMX.WW.Y.0022.251228T1500Z-251229T1200Z/ Pocahontas-Sac-Calhoun-Webster-Hamilton-Hardin-Grundy-Black Hawk- Crawford-Carroll- Including the cities of Rolfe, Pomeroy, Cedar Falls, Early, Odebolt, Lake View, Wellsburg, Webster City, Laurens, Eldora, Carroll, Fonda, Wall Lake, Waterloo, Dike, Lake City, Manson, Reinbeck, Gilmore City, Pocahontas, Conrad, Sac City, Grundy Center, Ackley, Iowa Falls, Schaller, Fort Dodge, Rockwell City, and Denison 944 PM CST Sat Dec 27 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM SUNDAY TO 6 AM CST MONDAY... * WHAT...Mixed precipitation expected before transitioning to light snow. Total snow accumulations of 1 to 3 and ice accumulations around a light glaze. Winds gusting over 50 mph. * WHERE...Portions of central, northeast, northwest, and west central Iowa. * WHEN...From 9 AM Sunday to 6 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...A short period with significant blowing snow and local whiteout conditions are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ015-024>028-281345- /O.CON.KDMX.WW.Y.0022.251228T1500Z-251229T1200Z/ Palo Alto-Humboldt-Wright-Franklin-Butler-Bremer- Including the cities of Parkersburg, Dumont, Clarion, Aplington, Waverly, Shell Rock, Emmetsburg, Humboldt, Hampton, Belmond, Clarksville, Greene, Eagle Grove, and Allison 944 PM CST Sat Dec 27 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 AM SUNDAY TO 6 AM CST MONDAY... * WHAT...Mixed precipitation expected before transitioning to light snow. Total snow accumulations of 1 to 3 and ice accumulations around a light glaze. Winds gusting over 50 mph. * WHERE...Portions of north central, northeast, and northwest Iowa. * WHEN...From 9 AM Sunday to 6 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...A short period with significant blowing snow and local whiteout conditions are possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ Donavon
7 follow-up statements
005 WWUS43 KDMX 280945 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 345 AM CST Sun Dec 28 2025 IAZ015-024>028-281945- /O.UPG.KDMX.WW.Y.0022.251228T1500Z-251229T1200Z/ /O.EXB.KDMX.BZ.W.0005.251228T1500Z-251229T1500Z/ Palo Alto-Humboldt-Wright-Franklin-Butler-Bremer- Including the cities of Dumont, Aplington, Clarksville, Allison, Eagle Grove, Waverly, Parkersburg, Shell Rock, Greene, Humboldt, Hampton, Clarion, Emmetsburg, and Belmond 345 AM CST Sun Dec 28 2025 ...BLIZZARD WARNING IN EFFECT FROM 9 AM THIS MORNING TO 9 AM CST MONDAY... * WHAT...Blizzard conditions expected. Total snow accumulations between 2 and 4 inches and ice accumulations around a light glaze. Winds gusts over 55 mph possible. * WHERE...Much of northern Iowa. * WHEN...From 9 AM this morning to 9 AM CST Monday. * IMPACTS...Travel could be very difficult. Widespread blowing snow could significantly reduce visibility. The hazardous conditions will impact the Monday morning commute. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Travel may become nearly impossible due to whiteout conditions and blowing and drifting of snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ004>007-016-017-281945- /O.EXT.KDMX.BZ.W.0005.251228T1500Z-251229T1500Z/ Emmet-Kossuth-Winnebago-Worth-Hancock-Cerro Gordo- Including the cities of Lake Mills, Garner, Manly, Forest City, Mason City, Kanawha, Algona, Northwood, Estherville, Clear Lake, and Britt 345 AM CST Sun Dec 28 2025 ...BLIZZARD WARNING NOW IN EFFECT FROM 9 AM THIS MORNING TO 9 AM CST MONDAY... * WHAT...Blizzard conditions expected. Total snow accumulations between 2 and 5 inches and ice accumulations around a light glaze. Winds gusts over 55 mph possible. * WHERE...Much of northern Iowa. * WHEN...From 9 AM this morning to 9 AM CST Monday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. The hazardous conditions will impact the Monday morning commute. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Travel may become nearly impossible due to whiteout conditions and blowing and drifting of snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ047>050-281945- /O.EXB.KDMX.WW.Y.0022.251228T1500Z-251229T1500Z/ Boone-Story-Marshall-Tama- Including the cities of Toledo, Tama, Ames, Boone, Traer, Dysart, Gladbrook, and Marshalltown 345 AM CST Sun Dec 28 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 9 AM CST MONDAY... * WHAT...Mixed precipitation expected. Total snow accumulations up to one inch and ice accumulations around a light glaze. Winds gusting as high as 50 mph. * WHERE...Boone, Marshall, Story, and Tama Counties. * WHEN...From 9 AM this morning to 9 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ046-281945- /O.EXA.KDMX.WW.Y.0022.251228T1500Z-251229T1200Z/ Greene- Including the cities of Jefferson 345 AM CST Sun Dec 28 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 AM CST MONDAY... * WHAT...Snow expected. Total snow accumulations up to one inch. Winds gusting as high as 45 mph. * WHERE...Greene County. * WHEN...From 9 AM this morning to 6 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ023-035>039-281945- /O.EXT.KDMX.WW.Y.0022.251228T1500Z-251229T1500Z/ Pocahontas-Webster-Hamilton-Hardin-Grundy-Black Hawk- Including the cities of Iowa Falls, Grundy Center, Dike, Eldora, Laurens, Gilmore City, Reinbeck, Waterloo, Wellsburg, Rolfe, Pocahontas, Conrad, Ackley, Cedar Falls, Fonda, Webster City, and Fort Dodge 345 AM CST Sun Dec 28 2025 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 9 AM THIS MORNING TO 9 AM CST MONDAY... * WHAT...Mixed precipitation expected. Total snow accumulations between 1 and 3 inches and ice accumulations around a light glaze. Winds gusting as high as 50 mph. * WHERE...Portions of central and northeast Iowa. * WHEN...From 9 AM this morning to 9 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ033-034-044-045-281945- /O.CON.KDMX.WW.Y.0022.251228T1500Z-251229T1200Z/ Sac-Calhoun-Crawford-Carroll- Including the cities of Carroll, Rockwell City, Sac City, Early, Manson, Odebolt, Pomeroy, Wall Lake, Lake View, Schaller, Lake City, and Denison 345 AM CST Sun Dec 28 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 6 AM CST MONDAY... * WHAT...Snow expected. Total snow accumulations up to two inches. Winds gusting as high as 45 mph. * WHERE...Calhoun, Carroll, Crawford, and Sac Counties. * WHEN...From 9 AM this morning to 6 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ Jimenez
916 WWUS43 KDMX 281656 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 1056 AM CST Sun Dec 28 2025 ...STRONG WINDS, SNOW, AND FALLING TEMPERATURES LEADING TO HAZARDOUS TRAVEL TODAY... .Strong winds combined with bands of snow moving through central into northern Iowa are producing sharp drops in visibility. Heaviest snow amounts are expected in northern Iowa, as snow will continue the longest in these areas, resulting in prolonged periods of blizzard conditions. Farther south into north central and central Iowa, rain will transition to snow as temperatures drop below freezing, resulting in re-freeze potential. Similarly, bursts of snow will lead to short durations of visibility under a mile, which combined with freezing roads could make travel dangerous. Accumulations will be less in the Advisory areas, with visibility drops only present with falling snow. IAZ004>007-015>017-024>028-290300- /O.CON.KDMX.BZ.W.0005.000000T0000Z-251229T1500Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Humboldt-Wright-Franklin-Butler-Bremer- Including the cities of Clarksville, Emmetsburg, Allison, Estherville, Humboldt, Waverly, Algona, Shell Rock, Dumont, Parkersburg, Britt, Clear Lake, Eagle Grove, Lake Mills, Aplington, Hampton, Clarion, Forest City, Mason City, Garner, Greene, Kanawha, Manly, Belmond, and Northwood 1056 AM CST Sun Dec 28 2025 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 AM CST MONDAY... * WHAT...Blizzard conditions. Additional snow accumulations between 3 and 5 inches and ice accumulations around a light glaze. Winds gusting as high as 60 mph. * WHERE...Much of northern Iowa. * WHEN...Until 9 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Widespread blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ057>062-070>073-290000- /O.EXB.KDMX.WW.Y.0022.000000T0000Z-251229T0000Z/ Audubon-Guthrie-Dallas-Polk-Jasper-Poweshiek-Cass-Adair-Madison- Warren- Including the cities of Bayard, Guthrie Center, Audubon, Greenfield, Panora, Exira, Atlantic, Des Moines, Fontanelle, Carlisle, Newton, Norwalk, Winterset, Earlham, Indianola, Adel, Casey, Perry, Grinnell, Waukee, Adair, and Stuart 1056 AM CST Sun Dec 28 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING... * WHAT...Mixed precipitation. Additional snow and sleet accumulations up to one inch and ice accumulations around a light glaze. Winds gusting as high as 50 mph. * WHERE...Portions of central Iowa. * WHEN...Until 6 PM CST this evening. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ023-035>039-047>050-290300- /O.CON.KDMX.WW.Y.0022.000000T0000Z-251229T1500Z/ Pocahontas-Webster-Hamilton-Hardin-Grundy-Black Hawk-Boone-Story- Marshall-Tama- Including the cities of Marshalltown, Fort Dodge, Grundy Center, Eldora, Reinbeck, Gladbrook, Waterloo, Rolfe, Laurens, Cedar Falls, Conrad, Tama, Wellsburg, Boone, Webster City, Traer, Pocahontas, Fonda, Ames, Iowa Falls, Ackley, Gilmore City, Dysart, Toledo, and Dike 1056 AM CST Sun Dec 28 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST MONDAY... * WHAT...Mixed precipitation. Additional snow accumulations of 1 to 3 inches and ice accumulations around a light glaze. Winds gusting as high as 55 mph. * WHERE...Portions of central into north central and northeast Iowa. * WHEN...Until 9 AM CST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ033-034-044>046-290300- /O.CON.KDMX.WW.Y.0022.000000T0000Z-251229T1200Z/ Sac-Calhoun-Crawford-Carroll-Greene- Including the cities of Early, Lake City, Lake View, Schaller, Denison, Manson, Pomeroy, Carroll, Sac City, Odebolt, Wall Lake, Jefferson, and Rockwell City 1056 AM CST Sun Dec 28 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST MONDAY... * WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting as high as 45 mph. * WHERE...Calhoun, Carroll, Crawford, Greene, and Sac Counties. * WHEN...Until 6 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ Dodson
262 WWUS43 KDMX 281948 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 148 PM CST Sun Dec 28 2025 ...STRONG WINDS, SNOW, AND FALLING TEMPERATURES LEADING TO HAZARDOUS TRAVEL TODAY... .Strong northwesterly winds with gusts over 55 mph continue to produce dangerous travel conditions in northern and north central Iowa today as both falling and freshly fallen snow continues to blow around. Visibilities of a quarter mile or less have been common in these areas. Additional rounds of snowfall through the afternoon and evening will prolong these deteriorated conditions, with strong winds expected to continue into Monday morning. Freezing temperatures have now switched snow over to rain in central and south central Iowa, leading to slushy and slick roadways. Additional snowfall tracking from west to east over this area, as well as gusty winds, will continue to impact travel, especially on rural and untreated roads. IAZ023-035>039-290600- /O.UPG.KDMX.WW.Y.0022.000000T0000Z-251229T1500Z/ /O.EXA.KDMX.BZ.W.0005.000000T0000Z-251229T1500Z/ Pocahontas-Webster-Hamilton-Hardin-Grundy-Black Hawk- Including the cities of Fort Dodge, Rolfe, Laurens, Wellsburg, Fonda, Cedar Falls, Conrad, Iowa Falls, Ackley, Gilmore City, Webster City, Grundy Center, Eldora, Reinbeck, Waterloo, Dike, and Pocahontas 148 PM CST Sun Dec 28 2025 ...BLIZZARD WARNING IN EFFECT UNTIL 9 AM CST MONDAY... * WHAT...Blizzard conditions. Additional snow accumulations of 1 to 3 inches. Winds gusting as high as 55 mph. * WHERE...Portions of northern and north central Iowa. * WHEN...Until 9 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ033-034-290600- /O.UPG.KDMX.WW.Y.0022.000000T0000Z-251229T1200Z/ /O.EXA.KDMX.BZ.W.0005.000000T0000Z-251229T1500Z/ Sac-Calhoun- Including the cities of Early, Lake City, Lake View, Schaller, Manson, Pomeroy, Sac City, Odebolt, Wall Lake, and Rockwell City 148 PM CST Sun Dec 28 2025 ...BLIZZARD WARNING IN EFFECT UNTIL 9 AM CST MONDAY... * WHAT...Blizzard conditions. Additional snow accumulations up to one inch. Winds gusting as high as 55 mph. * WHERE...Calhoun and Sac Counties. * WHEN...Until 9 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ004>007-015>017-024>028-290600- /O.CON.KDMX.BZ.W.0005.000000T0000Z-251229T1500Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Humboldt-Wright-Franklin-Butler-Bremer- Including the cities of Clarksville, Emmetsburg, Allison, Estherville, Humboldt, Waverly, Algona, Shell Rock, Dumont, Parkersburg, Britt, Clear Lake, Eagle Grove, Lake Mills, Aplington, Hampton, Clarion, Forest City, Mason City, Garner, Greene, Kanawha, Manly, Belmond, and Northwood 148 PM CST Sun Dec 28 2025 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 AM CST MONDAY... * WHAT...Blizzard conditions. Additional snow accumulations between 2 and 4 inches. Winds gusting as high as 60 mph. * WHERE...Much of northern into north central Iowa. * WHEN...Until 9 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Widespread blowing snow could significantly reduce visibility. The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ057>062-070>073-290600- /O.EXT.KDMX.WW.Y.0022.000000T0000Z-251229T1200Z/ Audubon-Guthrie-Dallas-Polk-Jasper-Poweshiek-Cass-Adair-Madison- Warren- Including the cities of Bayard, Guthrie Center, Audubon, Greenfield, Panora, Exira, Atlantic, Des Moines, Fontanelle, Carlisle, Newton, Norwalk, Winterset, Earlham, Indianola, Adel, Casey, Perry, Grinnell, Waukee, Adair, and Stuart 148 PM CST Sun Dec 28 2025 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 AM CST MONDAY... * WHAT...Snow and blowing snow. Additional snow accumulations up to one inch. Winds gusting as high as 55 mph. * WHERE...Portions of central into south central Iowa. * WHEN...Until 6 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ044>046-290600- /O.CON.KDMX.WW.Y.0022.000000T0000Z-251229T1200Z/ Crawford-Carroll-Greene- Including the cities of Jefferson, Carroll, and Denison 148 PM CST Sun Dec 28 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST MONDAY... * WHAT...Snow and blowing snow. Additional snow accumulations up to one inch. Winds gusting as high as 55 mph. * WHERE...Carroll, Crawford, and Greene Counties. * WHEN...Until 6 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ047>050-290600- /O.CON.KDMX.WW.Y.0022.000000T0000Z-251229T1500Z/ Boone-Story-Marshall-Tama- Including the cities of Marshalltown, Ames, Boone, Dysart, Gladbrook, Toledo, Traer, and Tama 148 PM CST Sun Dec 28 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST MONDAY... * WHAT...Snow and blowing snow. Additional snow accumulations up to one inch. Winds gusting as high as 55 mph. * WHERE...Boone, Marshall, Story, and Tama Counties. * WHEN...Until 9 AM CST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ Dodson
421 WWUS43 KDMX 290314 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 914 PM CST Sun Dec 28 2025 ...BLIZZARD CONDITIONS WILL CONTINUE OVER NORTHERN IOWA TONIGHT... .A new area of snow is developing over southern Minnesota and northern Iowa this evening. This band of snow will settle south tonight and will bring additional accumulations up to 2 inches. This new snow combined with strong northwest winds with gusts over 50 mph at times, will produce blizzard conditions at times for parts of northern Iowa. This area of snow will settle to near the Interstate corridor before dissipating. Hazardous travel will continue as well within the advisory areas. IAZ057-058-070>073-290415- /O.CAN.KDMX.WW.Y.0022.000000T0000Z-251229T1200Z/ Audubon-Guthrie-Cass-Adair-Madison-Warren- Including the cities of Norwalk, Winterset, Casey, Indianola, Fontanelle, Stuart, Audubon, Adair, Exira, Atlantic, Bayard, Carlisle, Guthrie Center, Earlham, Greenfield, and Panora 914 PM CST Sun Dec 28 2025 ...WINTER WEATHER ADVISORY IS CANCELLED... Accumulating snow is ending across the area. $$ IAZ004>007-015>017-023>028-033>039-291315- /O.CON.KDMX.BZ.W.0005.000000T0000Z-251229T1500Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun- Webster-Hamilton-Hardin-Grundy-Black Hawk- Including the cities of Kanawha, Pocahontas, Aplington, Clarksville, Laurens, Northwood, Estherville, Eagle Grove, Gilmore City, Britt, Wall Lake, Clear Lake, Mason City, Rockwell City, Schaller, Odebolt, Early, Webster City, Clarion, Emmetsburg, Rolfe, Conrad, Waterloo, Grundy Center, Reinbeck, Humboldt, Pomeroy, Eldora, Lake View, Sac City, Manly, Fonda, Greene, Algona, Parkersburg, Shell Rock, Cedar Falls, Lake City, Dumont, Waverly, Manson, Belmond, Lake Mills, Forest City, Fort Dodge, Ackley, Allison, Iowa Falls, Dike, Garner, Wellsburg, and Hampton 914 PM CST Sun Dec 28 2025 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 AM CST MONDAY... * WHAT...Blizzard conditions. Additional snow accumulations up to two inches. Winds gusting over 50 mph. * WHERE...Portions of central, north central, northeast, northwest, and west central Iowa. * WHEN...Until 9 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Widespread blowing snow could significantly reduce visibility and whiteout conditions. The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ044>046-291200- /O.CON.KDMX.WW.Y.0022.000000T0000Z-251229T1200Z/ Crawford-Carroll-Greene- Including the cities of Denison, Carroll, and Jefferson 914 PM CST Sun Dec 28 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST MONDAY... * WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting over 50 mph. * WHERE...Carroll, Crawford, and Greene Counties. * WHEN...Until 6 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ047>050-291315- /O.CON.KDMX.WW.Y.0022.000000T0000Z-251229T1500Z/ Boone-Story-Marshall-Tama- Including the cities of Marshalltown, Dysart, Toledo, Tama, Gladbrook, Ames, Traer, and Boone 914 PM CST Sun Dec 28 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST MONDAY... * WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting over 50 mph. * WHERE...Boone, Marshall, Story, and Tama Counties. * WHEN...Until 9 AM CST Monday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ059>062-291200- /O.CON.KDMX.WW.Y.0022.000000T0000Z-251229T1200Z/ Dallas-Polk-Jasper-Poweshiek- Including the cities of Newton, Des Moines, Waukee, Grinnell, Perry, and Adel 914 PM CST Sun Dec 28 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST MONDAY... * WHAT...Snow. Additional snow accumulations up to one inch. Winds gusting over 50 mph. * WHERE...Dallas, Jasper, Polk, and Poweshiek Counties. * WHEN...Until 6 AM CST Monday. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ Donavon
608 WWUS43 KDMX 291005 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 405 AM CST Mon Dec 29 2025 IAZ004>007-015>017-023>028-033>039-291500- /O.CON.KDMX.BZ.W.0005.000000T0000Z-251229T1500Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun- Webster-Hamilton-Hardin-Grundy-Black Hawk- Including the cities of Lake City, Humboldt, Manly, Eagle Grove, Shell Rock, Estherville, Rockwell City, Laurens, Algona, Mason City, Sac City, Conrad, Clear Lake, Fort Dodge, Waverly, Ackley, Belmond, Britt, Hampton, Eldora, Parkersburg, Greene, Lake Mills, Manson, Clarion, Cedar Falls, Aplington, Wall Lake, Kanawha, Odebolt, Clarksville, Schaller, Lake View, Grundy Center, Dike, Iowa Falls, Dumont, Allison, Reinbeck, Pocahontas, Rolfe, Fonda, Early, Pomeroy, Webster City, Northwood, Wellsburg, Emmetsburg, Garner, Gilmore City, Waterloo, and Forest City 405 AM CST Mon Dec 29 2025 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Blizzard conditions. Additional snow accumulations up to two inches. Winds gusting over 50 mph. * WHERE...Portions of central, north central, northeast, northwest, and west central Iowa. * WHEN...Until 9 AM CST this morning. * IMPACTS...Plan on slippery road conditions. Widespread blowing snow could significantly reduce visibility and whiteout conditions. The hazardous conditions will impact the Monday morning commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ044>046-291200- /O.CON.KDMX.WW.Y.0022.000000T0000Z-251229T1200Z/ Crawford-Carroll-Greene- Including the cities of Jefferson, Denison, and Carroll 405 AM CST Mon Dec 29 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... * WHAT...Blowing snow. Winds gusting over 50 mph. * WHERE...Carroll, Crawford, and Greene Counties. * WHEN...Until 6 AM CST early this morning. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ047>050-291500- /O.CON.KDMX.WW.Y.0022.000000T0000Z-251229T1500Z/ Boone-Story-Marshall-Tama- Including the cities of Toledo, Traer, Marshalltown, Dysart, Gladbrook, Ames, Boone, and Tama 405 AM CST Mon Dec 29 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Blowing snow. Winds gusting over 50 mph. * WHERE...Boone, Marshall, Story, and Tama Counties. * WHEN...Until 9 AM CST this morning. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ059>062-291200- /O.CON.KDMX.WW.Y.0022.000000T0000Z-251229T1200Z/ Dallas-Polk-Jasper-Poweshiek- Including the cities of Waukee, Grinnell, Des Moines, Newton, Adel, and Perry 405 AM CST Mon Dec 29 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST EARLY THIS MORNING... * WHAT...Blowing snow. Winds gusting over 50 mph. * WHERE...Dallas, Jasper, Polk, and Poweshiek Counties. * WHEN...Until 6 AM CST early this morning. * IMPACTS...Plan on slippery road conditions. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ Jimenez
547 WWUS43 KDMX 291203 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 603 AM CST Mon Dec 29 2025 IAZ044>046-059>062-291315- /O.EXP.KDMX.WW.Y.0022.000000T0000Z-251229T1200Z/ Crawford-Carroll-Greene-Dallas-Polk-Jasper-Poweshiek- Including the cities of Waukee, Jefferson, Grinnell, Denison, Des Moines, Newton, Carroll, Adel, and Perry 603 AM CST Mon Dec 29 2025 ...WINTER WEATHER ADVISORY HAS EXPIRED... Snow showers will be possible through the morning leading to minor visibility reductions in rural areas, but effects will be short lived. Therefore the Advisory will be allowed to expire. $$ IAZ004>007-015>017-023>028-033>039-291500- /O.CON.KDMX.BZ.W.0005.000000T0000Z-251229T1500Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun- Webster-Hamilton-Hardin-Grundy-Black Hawk- Including the cities of Lake City, Humboldt, Manly, Eagle Grove, Shell Rock, Estherville, Rockwell City, Laurens, Algona, Mason City, Sac City, Conrad, Clear Lake, Fort Dodge, Waverly, Ackley, Belmond, Britt, Hampton, Eldora, Parkersburg, Greene, Lake Mills, Manson, Clarion, Cedar Falls, Aplington, Wall Lake, Kanawha, Odebolt, Clarksville, Schaller, Lake View, Grundy Center, Dike, Iowa Falls, Dumont, Allison, Reinbeck, Pocahontas, Rolfe, Fonda, Early, Pomeroy, Webster City, Northwood, Wellsburg, Emmetsburg, Garner, Gilmore City, Waterloo, and Forest City 603 AM CST Mon Dec 29 2025 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Blizzard conditions. Winds gusting as high as 45 mph. * WHERE...Portions of central, north central, northeast, northwest, and west central Iowa. * WHEN...Until 9 AM CST this morning. * IMPACTS...The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ047>050-291500- /O.CON.KDMX.WW.Y.0022.000000T0000Z-251229T1500Z/ Boone-Story-Marshall-Tama- Including the cities of Toledo, Traer, Marshalltown, Dysart, Gladbrook, Ames, Boone, and Tama 603 AM CST Mon Dec 29 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS MORNING... * WHAT...Blowing snow. Winds gusting over 50 mph. * WHERE...Boone, Marshall, Story, and Tama Counties. * WHEN...Until 9 AM CST this morning. * IMPACTS...The hazardous conditions could impact the Monday morning commute. Gusty winds could bring down tree branches. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ Jimenez
129 WWUS43 KDMX 291442 WSWDMX URGENT - WINTER WEATHER MESSAGE National Weather Service Des Moines IA 842 AM CST Mon Dec 29 2025 IAZ004>007-015>017-024>028-035>039-291800- /O.EXP.KDMX.BZ.W.0005.000000T0000Z-251229T1500Z/ /O.NEW.KDMX.WW.Y.0023.251229T1500Z-251229T1800Z/ Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Humboldt-Wright-Franklin-Butler-Bremer-Webster-Hamilton-Hardin- Grundy-Black Hawk- Including the cities of Clear Lake, Belmond, Estherville, Humboldt, Mason City, Forest City, Shell Rock, Ackley, Dumont, Dike, Clarion, Conrad, Aplington, Iowa Falls, Grundy Center, Kanawha, Reinbeck, Cedar Falls, Northwood, Garner, Hampton, Emmetsburg, Britt, Waverly, Greene, Algona, Webster City, Eldora, Waterloo, Clarksville, Manly, Wellsburg, Lake Mills, Fort Dodge, Allison, Parkersburg, and Eagle Grove 842 AM CST Mon Dec 29 2025 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON CST TODAY... ...BLIZZARD WARNING WILL EXPIRE AT 9 AM CST THIS MORNING... * WHAT...Blowing snow continues. Winds gusting as high as 45 mph with visibilities under a mile possible. * WHERE...Portions of north central into northwestern Iowa. * WHEN...Until noon CST today. * IMPACTS...The hazardous conditions could impact the Monday morning commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. For the latest travel conditions, check the Iowa 511 app, www.511ia.org, or dial 511. && $$ IAZ023-033-034-291545- /O.EXP.KDMX.BZ.W.0005.000000T0000Z-251229T1500Z/ Pocahontas-Sac-Calhoun- Including the cities of Rockwell City, Lake View, Early, Wall Lake, Schaller, Manson, Lake City, Pomeroy, Sac City, Odebolt, Fonda, Gilmore City, Laurens, Pocahontas, and Rolfe 842 AM CST Mon Dec 29 2025 ...BLIZZARD WARNING WILL EXPIRE AT 9 AM CST THIS MORNING... The blizzard conditions are improving as winds slowly subside this morning. Therefore, the blizzard warning will be allowed to expire. However, a winter weather advisory will continue for portions of the area as gusty winds produce isolated blowing and drifting snow through mid-day, especially in open and rural areas. $$ IAZ047>050-291545- /O.EXP.KDMX.WW.Y.0022.000000T0000Z-251229T1500Z/ Boone-Story-Marshall-Tama- Including the cities of Ames, Traer, Marshalltown, Dysart, Tama, Toledo, Gladbrook, and Boone 842 AM CST Mon Dec 29 2025 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 9 AM CST THIS MORNING... Impacts due to blowing snow have started to subside. Therefore, the winter weather advisory for Boone, Story, Marshall and Tama counties will be allowed to expire. $$ Dodson
What forecasters said that day
The local office's own words before this blizzard warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Des Moines, IA wrote its last area forecast discussion before this blizzard warning went out at Dec 27, 5:55 PM CST, 3 hours 49 minutes earlier. Its key messages:
- Widespread dense fog continues tonight into Sunday morning over much of the area. Visibilities of a quarter mile or less are possible.
- Rain and a few rumbles of thunder possible tonight into early Sunday morning, mainly south.
- Falling snow, strong winds and cold temperatures will make travel hazardous on Sunday, especially in northern Iowa. Wind gusts of over 50 mph and blizzard-like conditions are possible near the Iowa/Minnesota border.
Area forecast discussion, Dec 27, 5:55 PM CST, 3 hours 49 minutes before
Area Forecast Discussion National Weather Service Des Moines IA 555 PM CST Sat Dec 27 2025 ...Updated for the 00z Aviation Discussion... .KEY MESSAGES... - Widespread dense fog continues tonight into Sunday morning over much of the area. Visibilities of a quarter mile or less are possible. - Rain and a few rumbles of thunder possible tonight into early Sunday morning, mainly south. - Falling snow, strong winds and cold temperatures will make travel hazardous on Sunday, especially in northern Iowa. Wind gusts of over 50 mph and blizzard-like conditions are possible near the Iowa/Minnesota border. && .DISCUSSION... Issued at 319 PM CST Sat Dec 27 2025 Fog continues to impact much of the forecast area today, with patchy fog in southern and central Iowa, then more widespread dense fog over northern and north central Iowa. These areas of fog will likely persist through the rest of today, with an expansion of the dense fog expected again tonight. The Dense Fog Advisory remains in effect for much of northern and northeastern Iowa and will be in effect again for western, central and southern Iowa again tonight into Sunday morning. Fog will continue into the morning, but will eventually be pushed out by the cold front passing through on mid- day Sunday. The cold front passage tomorrow will come as a broad 500 mb trough digs in over the central US, pulling cold air down from Canada and generating a deepening surface low across the lower plains region. Ahead of this system will first come a push of warm, moist air, bringing the potential for rain and even a rumble of thunder up into southern Iowa starting early Sunday morning into mid-day. Cold air will also begin to fill in over northwest Iowa on the cold side of the low Sunday morning. This, combined with southwest to northeast oriented bands of strong frontogenetical forcing around 750 to 650 mb will produce bands of snowfall on the cold side of the low. Locally higher snow rates are expected in these bands, but they should be fairly progressive as they move eastward, limiting residence time under the heavier rates. This should help to mitigate significant snow accumulations, although localized amounts around 1 to 2 inches are certainly possible as far south as I-80. The area of greater concern will be farther north, where a broad area of snow will develop in the deformation zone of the deepening low. This will increase the amount of time snow is falling, as well as the eventual amounts. These heavier amounts have been leaking farther and farther south over the last few forecast cycles, increasing confidence in heavier snow amounts in this area. Current forecast has a range of roughly 1 to 4 inches north of highway 20, although recent short range guidance indicates even higher amounts possible along the Iowa/Minnesota border. Snow accumulations of 1 to 4 inches are enough to cause problems on roadways on their own, but with the strong cold air advection will also come very strong winds behind the cold front tomorrow. Northwesterly winds of 30 to 40 mph are expected, with gusts in excess of 50 mph possible tomorrow afternoon. While the bare ground would theoretically help to negate blowing snow, winds of this strength will still be able to loft freshly fallen snow into the air. This will add an extra layer of impacts to the falling snow, as the gusty winds lead to low visibilities and blizzard like conditions. These impacts will be present both while snow is falling and potentially for a time after, at least until snow is collected into ditches and other storage areas through the evening and overnight. There is also a hint that horizontal convective rolls may develop Sunday evening as low level lapse rates steepen and the entire mixed layer saturates within the dendritic growth zone. These HCRs with the strong winds would produce sudden and drastic changes to visibility for travelers Sunday afternoon and evening. Finally, with the strong winds and colder air mass will come much colder temperatures, especially into Sunday night. Temperatures drop into the single digits and teens, with wind chills in the teens to near twenty below zero overnight, adding yet another layer to the impactful travel conditions, especially for those who become stranded or are working through recovery efforts. Hazardous to potentially dangerous travel is possible in northern Iowa mid-day Sunday through the evening, and actions should be taken to try and avoid travel at these times if at all possible. && .AVIATION /00Z TAFS THROUGH 00Z MONDAY/... Issued at 551 PM CST Sat Dec 27 2025 Poor aviation conditions are expected for a large portion of the period. Widespread dense fog will be in place tonight along with LIFR cigs. A cold front arrives late tonight and into tomorrow morning and will bring gusty northwest winds and will diminish the fog. However, rain changing to snow will occur. Strong wind gusts will develop as well leading to reduced visibilities in snow and blowing snow at most sites. Blizzard conditions remain possible over northern Iowa including KMCW during the afternoon. && .DMX WATCHES/WARNINGS/ADVISORIES... Dense Fog Advisory until 9 AM CST Sunday for IAZ004>007- 015>017-024>028-036>039-048>050-061-062. Winter Storm Watch from Sunday morning through late Sunday night for IAZ004>007-016-017. Winter Weather Advisory from 9 AM Sunday to 6 AM CST Monday for IAZ015-024>028. Dense Fog Advisory until 6 AM CST Sunday for IAZ023-033>035- 044>047-057>060-070>075-081>086-092>097. Wind Advisory from 9 AM Sunday to 6 AM CST Monday for IAZ023- 033>039-044>050-057>062-070>075-081>086-092>097. && DISCUSSION...Dodson AVIATION...Donavon
Hazardous weather outlook, Dec 27, 3:39 AM CST, 18 hours 5 minutes before
Hazardous Weather Outlook National Weather Service Des Moines IA 339 AM CST Sat Dec 27 2025 IAZ015-023>028-033>039-044>050-057>062-070>075-081>086-092>097- 280945- Palo Alto-Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac- Calhoun-Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford- Carroll-Greene-Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas- Polk-Jasper-Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska- Adams-Union-Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur- Wayne-Appanoose-Davis- 339 AM CST Sat Dec 27 2025 This Hazardous Weather Outlook is for portions of central Iowa. .DAY ONE...Today and tonight A Dense Fog Advisory is in effect for the area. Please refer to the National Weather Service website at weather.gov/desmoines for further details. .DAYS TWO THROUGH SEVEN...Sunday through Friday Strong winds from the northwest will gust over 35 mph on Sunday, bringing colder air and the potential for snow showers. Impacts to travel are possible with slick spots and reduced visibility in blowing snow. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed. IAZ004>007-016-017-280945- Emmet-Kossuth-Winnebago-Worth-Hancock-Cerro Gordo- 339 AM CST Sat Dec 27 2025 This Hazardous Weather Outlook is for portions of central Iowa. .DAY ONE...Today and tonight A Dense Fog Advisory is in effect for the area. Please refer to the National Weather Service website at weather.gov/desmoines for further details. .DAYS TWO THROUGH SEVEN...Sunday through Friday A Winter Storm Watch is in effect for the area. Please refer to the National Weather Service website at weather.gov/desmoines for further details. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed.
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 28, 11:18 AM CST | Snow Squall Warning | DMX | Boone, Dallas, Greene, Guthrie, Hamilton, Hardin and 2 more | 27 min |
| Dec 28, 11:30 AM CST | Snow Squall Warning | DMX | Boone, Dallas, Madison, Polk, Story, Warren | 30 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 | 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, 12:19 PM CST | Snow Squall Warning | DMX | Jasper, Marion, Marshall, Polk, Warren | 26 min |
| Dec 28, 12:45 PM CST | Snow Squall Warning | DMX | Black Hawk, Grundy, Jasper, Marshall, Poweshiek, Tama | 30 min |
Nearby
Blizzard Warnings in Iowa, 2025Every blizzard warning in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.