Alert archive / Iowa / Wind Advisories in 2025

Wind Advisory 9, NWS La Crosse, WI

December 17, 20254 counties in Minnesota; 7 counties in Iowa

NWS La Crosse, WI issued this wind advisory at Dec 17, 2025, 1:22 PM CST for 4 counties in Minnesota; 7 counties in Iowa. It took effect at Dec 18, 2025, 12:00 PM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Dec 17, 2025, 1:22 PM CST (19:22 UTC)
In effect from
Dec 18, 2025, 12:00 PM CST
Expired
Dec 19, 2025, 12:00 AM CST
In force
12 hr
Issued by
NWS La Crosse, WI

Counties Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Mower County, MN, Olmsted County, MN

The radar

The La Crosse radar (KARX), 102 km from the middle of the area, began a volume at 19:20 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 7.4 hours before the alert went out and 193 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.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2025-12-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2025-12-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1203 m above ground
0-6 km bulk shear
89 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

081 
WWUS73 KARX 171922
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
122 PM CST Wed Dec 17 2025

IAZ008-009-018-019-MNZ086-087-094-095-181100-
/O.NEW.KARX.WI.Y.0009.251218T1800Z-251219T0000Z/
Mitchell-Howard-Floyd-Chickasaw-Dodge-Olmsted-Mower-Fillmore-
Including the cities of New Hampton, Dodge Center, Rochester,
Austin, Preston, Osage, Charles City, and Cresco
122 PM CST Wed Dec 17 2025

...WIND ADVISORY IN EFFECT FROM NOON TO 6 PM CST THURSDAY...

* WHAT...West winds at 30 mph with gusts of 45 mph expected.

* WHERE...In Iowa, Floyd, Mitchell, Chickasaw, and Howard Counties. 
  In Minnesota, Dodge, Fillmore, Mower, and Olmsted Counties.

* WHEN...From noon to 6 PM CST Thursday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

JAR
4 follow-up statements
086 
WWUS73 KARX 180239
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
839 PM CST Wed Dec 17 2025

IAZ008-009-018-019-MNZ086-087-094-095-181045-
/O.EXT.KARX.WI.Y.0009.251218T1800Z-251219T0300Z/
Mitchell-Howard-Floyd-Chickasaw-Dodge-Olmsted-Mower-Fillmore-
Including the cities of Rochester, New Hampton, Dodge Center,
Osage, Charles City, Austin, Cresco, and Preston
839 PM CST Wed Dec 17 2025

...WIND ADVISORY NOW IN EFFECT FROM NOON TO 9 PM CST THURSDAY...

* WHAT...West winds 25 to 30 mph with gusts up to 45 mph expected.

* WHERE...In Iowa, Floyd, Mitchell, Chickasaw, and Howard Counties. 
  In Minnesota, Dodge, Fillmore, Mower, and Olmsted Counties.

* WHEN...From noon to 9 PM CST Thursday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

Ferguson
228 
WWUS73 KARX 180745
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
145 AM CST Thu Dec 18 2025

IAZ010-029-030-190600-
/O.EXB.KARX.WI.Y.0009.251218T1800Z-251219T0600Z/
Winneshiek-Fayette-Clayton-
Including the cities of Oelwein, Elkader, and Decorah
145 AM CST Thu Dec 18 2025

...WIND ADVISORY IN EFFECT FROM NOON TODAY TO MIDNIGHT CST TONIGHT...

* WHAT...West winds 20 to 30 mph with gusts up to 45 mph expected.

* WHERE...Clayton, Fayette, and Winneshiek Counties.

* WHEN...From noon today to midnight CST tonight.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

IAZ008-009-018-019-MNZ086-087-094-095-190600-
/O.EXT.KARX.WI.Y.0009.251218T1800Z-251219T0600Z/
Mitchell-Howard-Floyd-Chickasaw-Dodge-Olmsted-Mower-Fillmore-
Including the cities of Dodge Center, New Hampton, Charles City,
Cresco, Preston, Osage, Austin, and Rochester
145 AM CST Thu Dec 18 2025

...WIND ADVISORY NOW IN EFFECT FROM NOON TODAY TO MIDNIGHT CST 
TONIGHT...

* WHAT...Northwest winds 25 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...In Iowa, Floyd, Mitchell, Chickasaw, and Howard Counties. 
  In Minnesota, Dodge, Fillmore, Mower, and Olmsted Counties.

* WHEN...From noon today to midnight CST tonight.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

JSB
256 
WWUS73 KARX 181821
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
1221 PM CST Thu Dec 18 2025

IAZ008>010-018-019-029-030-MNZ086-087-094-095-190600-
/O.CON.KARX.WI.Y.0009.000000T0000Z-251219T0600Z/
Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Clayton-Dodge-
Olmsted-Mower-Fillmore-
Including the cities of Elkader, Decorah, Austin, Charles City,
New Hampton, Rochester, Preston, Cresco, Osage, Oelwein, and
Dodge Center
1221 PM CST Thu Dec 18 2025

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT...

* WHAT...Northwest winds 20 to 30 mph with gusts up to 45 mph.

* WHERE...Portions of north central and northeast Iowa and southeast 
  Minnesota.

* WHEN...Until midnight CST tonight.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

&&

$$

Falkinham
531 
WWUS73 KARX 190556
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
1156 PM CST Thu Dec 18 2025

IAZ008>010-018-019-029-030-MNZ086-087-094-095-190700-
/O.EXP.KARX.WI.Y.0009.000000T0000Z-251219T0600Z/
Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-Clayton-Dodge-
Olmsted-Mower-Fillmore-
Including the cities of Austin, Rochester, Oelwein, Dodge Center,
Cresco, Decorah, New Hampton, Charles City, Preston, Elkader, and
Osage
1156 PM CST Thu Dec 18 2025

...WIND ADVISORY WILL EXPIRE AT MIDNIGHT CST TONIGHT...

The threat has ended.

$$

JSB

Nearby

Wind Advisories in Iowa, 2025Wind Advisories in Minnesota, 2025Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.