A winter storm moved from the southern Plains toward the Great Lakes during the early morning hours of December 11. A mixture of snow, sleet and freezing rain affected portions of southwest Wisconsin.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS ARX wrote it up.
A winter storm moved from the southern Plains toward the Great Lakes during the early morning hours of December 11. A mixture of snow, sleet and freezing rain affected portions of southwest Wisconsin.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS La Crosse, WI wrote its last area forecast discussion before the first event at Dec 11, 1:00 AM CST, 2 hours earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LA CROSSE WI
100 AM CST TUE DEC 11 2007
.UPDATE...BASED ON LATEST RADAR TRENDS AND MODEL DATA WE HAVE
DECIDED TO UPGRADE SOUTHERN MOST SECTIONS OF THE FORECAST AREA TO
A WINTER STORM WARNING. ALSO...ANOTHER TIER OF COUNTIES WAS ADDED
NORTHWARD FOR WINTER WEATHER ADVISORIES. FURTHER DETAILS WILL BE
FORTHCOMING WITH ROUTINE FORECAST DISCUSSION.
&&
.ARX WATCHES/WARNINGS/ADVISORIES...
WI...WINTER WEATHER ADVISORY UNTIL 6 PM CST THIS AFTERNOON FOR WIZ053-
WIZ054-WIZ055.
WINTER STORM WARNING UNTIL 6 PM CST THIS AFTERNOON FOR WIZ061.
MN...NONE.
IA...WINTER WEATHER ADVISORY UNTIL 6 PM CST THIS AFTERNOON FOR IAZ010-
IAZ011-IAZ018-IAZ019.
WINTER STORM WARNING UNTIL 6 PM CST THIS AFTERNOON FOR IAZ029-
IAZ030.
&&
THOMPSONHAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LA CROSSE WI 158 AM CST TUE DEC 11 2007 MNZ079-WIZ017-029-032>034-111200- BUFFALO-CLARK-JACKSON-TAYLOR-TREMPEALEAU-WABASHA- 158 AM CST TUE DEC 11 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A SMALL PART OF SOUTHEAST MINNESOTA...AND PARTS OF SOUTHWEST INTO CENTRAL WISCONSIN. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY A DUSTING OF SNOW IS POSSIBLE TUESDAY AS LOW PRESSURE TRACKS EASTWARD THROUGH ILLINOIS. THIS MAY PRODUCE SOME ISOLATED SLICK SPOTS ON AREA ROADWAYS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. .EMERGENCY MANAGEMENT COORDINATION... NO CALL IS SCHEDULED. IAZ008-009-MNZ086>088-094>096-WIZ041>044-111200- ADAMS-DODGE-FILLMORE-HOUSTON-HOWARD-JUNEAU-LA CROSSE-MITCHELL-MONROE- MOWER-OLMSTED-WINONA- 158 AM CST TUE DEC 11 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A SMALL PART OF NORTHEAST IOWA AND PARTS OF SOUTHEAST MINNESOTA...INTO SOUTHWEST AND CENTRAL WISCONSIN. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY LESS THAN AN INCH OF SNOW IS POSSIBLE TUESDAY AS LOW PRESSURE TRACKS EASTWARD THROUGH ILLINOIS. THIS MAY PRODUCE SOME ISOLATED SLICK SPOTS ON AREA ROADWAYS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. .EMERGENCY MANAGEMENT COORDINATION... NO CALL IS SCHEDULED. IAZ010-011-018-019-WIZ053>055-111200- ALLAMAKEE-CHICKASAW-CRAWFORD-FLOYD-RICHLAND-VERNON-WINNESHIEK- 158 AM CST TUE DEC 11 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST IOWA INTO PARTS OF SOUTHWEST WISCONSIN. .DAY ONE...TONIGHT LOW PRESSURE WILL MOVE INTO THE CENTRAL PLAINS TONIGHT WITH SNOW SPREADING INTO THE AREA THROUGH EARLY TUESDAY MORNING. SLEET AND FREEZING RAIN ARE POSSIBLE AT THE ONSET. SOME MINOR SNOW ACCUMULATION OF A HALF INCH TO AN INCH IS POSSIBLE BY DAYBREAK. THIS MAY PRODUCE SOME SLICK SPOTS ON AREA ROADWAYS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY AN AREA OF LOW PRESSURE WILL CONTINUE TO MOVE EASTWARD ACROSS ILLINOIS ON TUESDAY...CONTINUING TO SPREAD SOME SNOW INTO THE AREA. AREAS MAINLY ALONG AND SOUTH OF A LINE FROM CHARLES CITY AND LANSING IOWA TO VIROQUA AND HILLSBORO WISCONSIN SHOULD HAVE 2 TO 4 INCHES OF TOTAL SNOW ACCUMULATION. THIS MAY CONTINUE TO PRODUCE SOME SLICK ROADWAYS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. HOWEVER...ANY SNOWFALL ACCUMULATION REPORTS WOULD BE GREATLY APPRECIATED THROUGH TUESDAY. .EMERGENCY MANAGEMENT COORDINATION... NO CALL IS SCHEDULED. IAZ029-030-WIZ061-111200- CLAYTON-FAYETTE-GRANT- 158 AM CST TUE DEC 11 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A PORTION OF NORTHEAST IOWA AND FAR SOUTHWEST WISCONSIN. .DAY ONE...TONIGHT LOW PRESSURE WILL MOVE INTO THE CENTRAL PLAINS TONIGHT WITH PRECIPITATION SPREADING INTO THE AREA LATE TONIGHT. THERE WILL BE ENOUGH WARM AIR ALOFT TO PRODUCE A WINTRY MIX OF SNOW...SLEET AND FREEZING RAIN ACROSS FAYETTE AND CLAYTON COUNTY IOWA...AS WELL AS GRANT COUNTY WISCONSIN. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY LOW PRESSURE PRESSURE WILL CONTINUE TO TRACK ACROSS ILLINOIS ON TUESDAY. THIS WILL CONTINUE TO PRODUCE A WINTERY MIX OF PRECIPITATION DURING THE MORNING HOURS BEFORE CHANGING TO ALL SNOW AROUND NOON. HIGHEST PRECIPITATION TOTALS OF 4 TO 7 INCHES OF SNOW AND ONE TENTH TO TWO TENTHS OF AN INCH OF ICE ACCUMULATION SHOULD OCCUR MAINLY ALONG AND SOUTH OF A LINE FROM OELWEIN IOWA TO FENNIMORE WISCONSIN. AS A RESULT...THE WINTER WEATHER ADVISORY WAS UPGRADED TO A WINTER STORM WARNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. HOWEVER...ANY ICE AND SNOW ACCUMULATIONS THROUGH TUESDAY WOULD BE GREATLY APPRECIATED. .EMERGENCY MANAGEMENT COORDINATION... NO CALL IS SCHEDULED. DAS/THOMPSON
The national radar mosaic for the moment the first event began.
1 winter storm. Local standard time, as filed.
Sleet accumulation, including some snow, was measured at 1.5 inches.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wisconsin in 2007Every state in 2007This day in weather historyWarnings in Wisconsin, December 2007
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 65411.