3 tornado, 2 funnel cloud, 2 hail, 1 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it; 2 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 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 May 29, 3:45 PM CST, 22 hours 50 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 445 PM CDT SAT MAY 29 2004 .DISCUSSION... SHORT/MEDIUM RANGE FORECAST... MESOSCALE COMPLEX CURRENTLY SEEN ON SATELLITE OVER THE MINNESOTA PORTION OF OUR COUNTY WARNING AREA AND CONVECTION ON RADAR ARE IN THE RIGHT ENTRANCE REGION OF AN UPPER JET. THIS UPPER JET IS FORECAST TO SHIFT NORTHEAST TAKING STRONG UPPER LEVEL DIVERGENCE...AS INDICATED ON THE RUC AND MESO ETA MODELS...WITH IT. PRECIPITATION EXPECTED TO END FROM WEST TO EAST ACROSS THE AREA DURING THE LATE MORNING AND AFTERNOON. PARTIAL CLEARING ACROSS SOUTH CENTRAL MINNESOTA EXPECTED TO ALLOW HEATING WITH TEMPERATURES GETTING INTO THE 80S. THIS LIKELY TO BUILD A VERY UNSTABLE AIR MASS FOR THE LATE AFTERNOON AND EVENING. STRONG LOW LEVEL SOUTHERLY WINDS ARE EXPECTED TO DEVELOP AGAIN THIS EVENING WITHIN A LOW LEVEL THETA E RIDGE TAKING AIM AT THE WESTERN PORTIONS OF OUR COUNTY WARNING AREA. THIS ALONG WITH A NEGATIVELY TILTED LONG WAVE MID LEVEL TROUGH APPROACHING FROM THE SOUTHWEST SHOULD RESULT IN NOT ONLY STRONG INSTABILITY BUT STRONG LIFT AS WELL. PRECIPITABLE WATER VALUES ARE FORECAST TO APPROACH 2 INCHES SATURDAY EVENING MAKING HEAVY RAIN A POSSIBILITY AS WELL AS SEVERE WEATHER. THESE FEATURES SWING THROUGH EARLY SUNDAY. THE COLDEST AIR ALOFT BEHIND THIS STORM SYSTEM IS FORECAST TO SWING OVER SOUTHERN MINNESOTA MONDAY. THE GFS...WHICH SHOWS A CLOSED UPPER CIRCULATION FURTHER SOUTH THAN THE ETA...SEEMS TO HAVE A MORE REALISTIC SOLUTION. THE CYCLONIC FLOW AND COLD TEMPERATURES ALOFT SHOULD RESULT IN UNSETTLED WEATHER MONDAY WITH SHOWERS AND POSSIBLE THUNDERSTORMS. && .MPX WATCHES/WARNINGS/ADVISORIES... MN...NONE. WI...NONE. && NOTE...EFFECTIVE 1200 ETC JUNE 8TH THE AWIPS PRODUCT IDENTIFIER /PID/ FOR THE AREA FORECAST DISCUSSION ISSUED BY WFO TWIN CITIES/CHANHASSEN WILL CHANGE FROM AFDMSP TO AFDMPX. THE WMO CODE WILL REMAIN FXUS63 KMPX
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1035 AM CDT SUN MAY 30 2004 MNZ065-073-302300- REDWOOD-RENVILLE- 1035 AM CDT SUN MAY 30 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A PORTION OF SOUTHWEST MINNESOTA. .DAY ONE...THIS AFTERNOON AND TONIGHT A FLOOD WARNING REMAINS IN EFFECT ACROSS REDWOOD AND RENVILLE COUNTIES UNTIL 6 PM. RIVER AND INLAND FLOODING WILL CONTINUING RESULTING IN A POTENTIAL RISK TO LIVES AND PROPERTY. THE RIVER IS EXPECTED TO DROP BELOW FLOOD STAGE TONIGHT. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. MNZ041-042-047-048-054>057-064-074-082-091-302300- BROWN-CHIPPEWA-DOUGLAS-KANDIYOHI-LAC QUI PARLE-MARTIN-POPE-STEVENS- SWIFT-TODD-WATONWAN-YELLOW MEDICINE- 1035 AM CDT SUN MAY 30 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL AND SOUTHWEST MINNESOTA. .DAY ONE...THIS AFTERNOON AND TONIGHT MORE SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND TONIGHT. ADDITIONAL RAINFALL SHOULD REMAIN LESS THAN ONE INCH...HOWEVER THE ADDITIONAL RAINFALL MAY RESULT IN MORE PONDING OF WATER IN FLOOD PRONE AREAS DUE TO SATURATED SOIL CONDITIONS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. MNZ043>045-049>053-058>063-066>070-075>078-083>085-092-093- WIZ014>016-023>028-302300- ANOKA-BARRON-BENTON-BLUE EARTH-CARVER-CHIPPEWA-CHISAGO-DAKOTA-DUNN- EAU CLAIRE-FARIBAULT-FREEBORN-GOODHUE-HENNEPIN-ISANTI-KANABEC- LE SUEUR-MCLEOD-MEEKER-MILLE LACS-MORRISON-NICOLLET-PEPIN-PIERCE- POLK-RAMSEY-RICE-RUSK-SCOTT-SHERBURNE-SIBLEY-ST CROIX-STEARNS-STEELE- WASECA-WASHINGTON-WRIGHT- 1035 AM CDT SUN MAY 30 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND SOUTH CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED TO REDEVELOP THIS AFTERNOON AND EVENING ACROSS CENTRAL AND SOUTH CENTRAL MINNESOTA INTO WEST CENTRAL WISCONSIN. A FEW THUNDERSTORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS. AN ISOLATED TORNADO IS ALSO POSSIBLE. THE THREAT FOR SEVERE THUNDERSTORMS WILL DIMINISH LATER TONIGHT. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT. MBK
The Minneapolis radar (KMPX), 75 km away, was scanning. The volume nearest the first event began at 20:35 UTC.
3 tornado, 2 funnel cloud, 2 hail, 1 thunderstorm wind. Local standard time, as filed.
A weak tornado was reported by trained spotters just north of the intersection of Highway 10 and County Road 6. It dissipated northeast of town a short time later with little if any damage reported.
A funnel cloud was reported just east of Goodhue by the fire department. The funnel cloud touched down later about 6 miles east of Zumbrota.
A tornado briefly touched down just west of Mazeppa. A few trees were downed and a fence was damaged before the tornado dissipated.
A weak tornado briefly touched down in an open field.
A shed and numerous trees were downed.
Golf ball sized hail was reported in the northern portion of Chisago County. The time was estimated.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2004Every state in 2004This day in weather historyThe tornado archive for Minnesota, 2004Warnings in Minnesota, May 2004
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: 5395777, 5395780, 5395778, 5395779, 5395781, 5395782, 5395783, 5395784.