Bands of thunderstorms developed across west central Wisconsin the morning of Monday, June 22. These thunderstorms began to train across the same areas in southern Rusk and northeast Chippewa Counties where a large area of two to five inches of rain fell in less than three hours.
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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 MPX wrote it up.
Bands of thunderstorms developed across west central Wisconsin the morning of Monday, June 22. These thunderstorms began to train across the same areas in southern Rusk and northeast Chippewa Counties where a large area of two to five inches of rain fell in less than three hours. An automated river gauge near Sheldon, Wisconsin, recorded 4.48 inches of rain that morning, with several observers reporting over 1.50 inches. Some of the higher amounts include: 1.82 at Holcombe, 2.08 at Ladysmith, and 1.55 west of Ladysmith. Local law enforcement officers in the Conrath area reported that the intersection of Highway 27 and Broken Arrow Road was underwater and many fields in the Willard Township area were flooded.
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 Twin Cities, MN wrote its last area forecast discussion before the first event at Jun 22, 1:06 AM CST, 3 hours 24 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 206 AM CDT MON JUN 22 2009 .DISCUSSION... THE PRIMARY CONCERN IS WHETHER THUNDERSTORMS WILL REDEVELOP OVER PORTIONS OF WESTERN AND CENTRAL MN TODAY AND EVENING. A WEAK SURFACE TROUGH ALONG WITH SEVERAL WEAK OUTFLOW BOUNDARIES AND WARM FRONT WILL BE THE MAIN FOCUS FOR MORE SHOWERS AND THUNDERSTORMS LATER TODAY AND TONIGHT. A SHORTWAVE TROUGH HAD LIFTED NORTHEAST OVER LAKE SUPERIOR INTO CNTRL WISCONSIN. SUBSIDENCE BEHIND THE UPPER LEVEL TROUGH HAD SCOURED OUT CLOUDS AND SHRA/TSRA. DEWPOINTS REMAINS IN THE 60S...THUS WIDESPREAD FOG CONTINUE TO DEVELOP OVER THE FORECAST AREA IN THE WAKE OF THE TROUGH. AIRMASS SHOULD REMAIN STABLE THROUGH MID AFTERNOON. DESTABILIZATION OF THE ATMOSPHERE WILL LIKELY TO OCCUR LATER TODAY. BY EVENING...MOST UNSTABLE CAPE VALUES ARE PROGGED TO INCREASE TO ABOUT 600 J/KG OVER PORTIONS OF WEST CENTRAL MN. MOISTURE INFLUX WILL BE WEAK WITH WEAK CIRCULATION NEAR/ABOVE THE SURFACE. IF STRONG THUNDERSTORM OR ISOLATED SUPERCELL DO OCCUR LATER THIS AFTERNOON AND EVENING...THE PRIMARY CONCERN WILL BE HEAVY RAINS. BOTH THE WET-BULB TEMP AND FREEZING LEVEL ARE TOO HIGH FOR LARGE HAIL. UPPER RIDGE CENTERED OVER THE MIDDLE OF CONUS...WILL BUILD NORTH OVER INTO THE UPPER MIDWEST TUESDAY. 700 MB TEMPS INCREASE TO PLUS 10 DEGREES...WHICH WILL LIKELY HINDER ANY THUNDERSTORM DEVELOPMENT. IT WILL REMAIN RATHER HOT AND HUMID WITH HEAT INDICES IN THE 95-100 RANGE. EXPECT MORE SHOWERS AND THUNDERSTORMS LATE TUESDAY NIGHT AND WEDNESDAY. SHORTWAVE TROUGH MOVES OVER THE NORTHERN TIER OF U.S. SPLIT UPPER AIR FLOW DEVELOPS OVER THE UPPER MIDWEST...WITH NORTHERN STREAM OF THE JET STREAM INFLUENCING OUR WEATHER MID WEEK. MODELS HAVE BEEN CONSISTENT IN BUILDING A SURFACE HIGH PRESSURE RIDGE OVER THE UPPER MIDWEST THURSDAY AND FRIDAY. MORE RIDGE-RIDER THUNDERSTORMS/CONVECTIVE CLUSTERS ARE EXPECTED TO DEVELOP OVER THE UPCOMING WEEKEND...AS THE WEATHER REMAINS UNSETTLED THROUGH MUCH OF THE PERIOD. && .AVIATION... /06Z TAF ISSUANCE/ SCATTERED SHOWERS AND THUNDERSTORM ACROSS CENTRAL AND EASTERN MN AS WELL AS WEST CENTRAL WI WILL PUSH NORTH AND EAST OVERNIGHT AS A SHORT WAVE LIFTS NORTHEAST ACROSS THE FA. CEILINGS HAVE DETERIORATED BELOW 010 ACROSS CENTRAL MN AND SHOULD PERSIST INTO THE MORNING. EXPECT THE CEILINGS TO LOWER FOR KRWF...KMSP AND KEAU AS WELL. MVFR FOG WILL ALSO BE PREVALENT DURING THE LATE NIGHT/EARLY MORNING HOURS. VFR CONDITIONS TO RETURN MID TO LATE MONDAY MORNING WITH SCT-BKN CU IN THE AFTERNOON. && .MPX WATCHES/WARNINGS/ADVISORIES... MN...NONE. WI...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 401 AM CDT MON JUN 22 2009 MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028- 230915- DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-STEVENS-POPE-STEARNS- BENTON-SHERBURNE-ISANTI-CHISAGO-LAC QUI PARLE-SWIFT-CHIPPEWA- KANDIYOHI-MEEKER-WRIGHT-HENNEPIN-ANOKA-RAMSEY-WASHINGTON- YELLOW MEDICINE-RENVILLE-MCLEOD-SIBLEY-CARVER-SCOTT-DAKOTA- REDWOOD-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH- WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-POLK-BARRON-RUSK- ST. CROIX-PIERCE-DUNN-PEPIN-EAU CLAIRE- 401 AM CDT MON JUN 22 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND SOUTHERN MINNESOTA...AND WEST CENTRAL WISCONSIN. .DAY ONE...TODAY AND TONIGHT THERE IS A CHANCE OF THUNDERSTORMS OVER WEST CENTRAL MINNESOTA THIS EVENING. THE PRIMARY THREATS ARE HEAVY RAIN AND LARGE HAIL. TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THUNDERSTORM CHANCES WILL CONTINUE THROUGH THE PERIOD. AT THIS TIME...THERE IS A SMALL CHANCE FOR SOME OF THESE THUNDERSTORMS TO BECOME SEVERE...MAINLY ON TUESDAY EVENING AND NIGHT. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION COULD BE NEEDED THIS EVENING OVER WEST CENTRAL MINNESOTA.
The La Crosse radar (KARX), 170 km away, was scanning. The volume nearest the first event began at 10:28 UTC.
1 flash flood. Local standard time, as filed.
Local Law Enforcement Officials reported water over the road near the intersection of Highway 27 and Broken Arrow Road. In addition, the Willard Township area had many flooded fields.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Wisconsin in 2009Every state in 2009This day in weather historyWarnings in Wisconsin, June 2009
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: 166851.