4 thunderstorm wind, 1 heavy rain, 1 hail, as filed by the National Weather Service.
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 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 Aug 3, 9:15 AM CST, 3 hours 15 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1015 AM CDT TUE AUG 3 2004 .DISCUSSION... MAIN PART OF SD MCS SLIDING ESE..AND PARTS OF THIS SHOULD BRING RAIN INTO PARTS OF WEST CENTRAL AND FAR SOUTH. WILL UP SOME POPS IN FAR SOUTH CENTRAL AND SOUTHWEST CLOSEST TO LATEST RUC AND ETA FORECAST INSTABILITY AXIS AND 850 THETA E ADVECTION. THESE PARAMETERS FORCED FARTHER SOUTH THIS EVENING..LESSENING THE CHANCE OF PRECIP IN N CWA AND CHANCES OF THUNDER. && MPX WATCHES/WARNINGS/ADVISORIES... MN...NONE. WI...NONE. && MBK/RAH
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1113 AM CDT TUE AUG 3 2004 MNZ041>045-047>063-066-068>070-WIZ014>016-023>028-041028- ANOKA-BARRON-BENTON-CARVER-CHIPPEWA-CHISAGO-DAKOTA-DOUGLAS-DUNN- EAU CLAIRE-HENNEPIN-ISANTI-KANABEC-KANDIYOHI-LAC QUI PARLE-MCLEOD- MEEKER-MILLE LACS-MORRISON-PEPIN-PIERCE-POLK-POPE-RAMSEY-RUSK-SCOTT- SHERBURNE-ST CROIX-STEARNS-STEVENS-SWIFT-TODD-WASHINGTON-WRIGHT- 1113 AM CDT TUE AUG 3 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. MNZ064-065-067-073>078-041028- BROWN-GOODHUE-LE SUEUR-NICOLLET-REDWOOD-RENVILLE-RICE-SIBLEY- YELLOW MEDICINE- 1113 AM CDT TUE AUG 3 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL AND WEST CENTRAL MINNESOTA. .DAY ONE...THIS AFTERNOON AND TONIGHT THUNDERSTORMS WILL BECOME MORE NUMEROUS ACROSS SOUTHERN MINNESOTA THIS AFTERNOON AND TONIGHT AS AN AREA OF LOW PRESSURE OVER NEBRASKA MOVES EASTWARD ACROSS IOWA. A FEW OF THE STORMS COULD BE SEVERE WITH LARGE HAIL AND DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT. MNZ082>085-091>093-041028- BLUE EARTH-FARIBAULT-FREEBORN-MARTIN-STEELE-WASECA-WATONWAN- 1113 AM CDT TUE AUG 3 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF FAR SOUTH CENTRAL MINNESOTA. .DAY ONE...THIS AFTERNOON AND TONIGHT AN INTENSE LINE OF THUNDERSTORMS OVER SOUTHWEST MINNESOTA WILL MOVE ACROSS FAR SOUTH CENTRAL MINNESOTA THIS AFTERNOON...WITH THE POTENTIAL FOR DESTRUCTIVE WIND GUSTS TO 80 TO 90 MPH...AND LARGE HAIL. IN SOUTH CENTRAL MINNESOTA...THE COUNTIES ALONG INTERSTATE 90 STAND THE GREATEST THREAT OF SEEING THESE STORMS BETWEEN 130 PM AND 4 PM...ESPECIALLY CITIES SUCH AS FAIRMONT...CEYLON...TRIMONT... ELMORE...KIESTER...AND BLUE EARTH. STAY TUNED FOR POSSIBLE WARNINGS THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL BE NEEDED THIS AFTERNOON. BINAU
The Sioux Falls radar (KFSD), 158 km away, was scanning. The volume nearest the first event began at 18:31 UTC.
4 thunderstorm wind, 1 heavy rain, 1 hail. Local standard time, as filed.
A wind gust of 60 MPH was reported by law enforcement. A wind gust of 55 MPH was measured by a spotter in town where tree branches were downed.
Streets and basements were flooded by an estimated 3 to 4 inches of rain.
A wind gust of 60 MPH was estimated by emergency management. Six trees were downed around town. Crop damage was reported in the vicinity. The time was estimated.
A wind gust of 60 MPH was reported by law enforcement. Several branches were downed. Crop damage was reported in the vicinity.
A cornfield was laid over along Highway 22 at 140th St. The time was estimated.
A tree was downed. 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 historyWarnings in Minnesota, August 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: 5418642, 5418643, 5418641, 5418644, 5418645, 5418646.