5 hail, 3 thunderstorm wind, as filed by the National Weather Service.
Every event with a place to put it. 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 25, 1:30 PM CST, 45 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 230 PM CDT WED AUG 25 2004 .DISCUSSION... TIMING OF THE SIGNIFICANT JET MAX AND COLD FRONT WILL BE THE MAIN FORECAST CHALLENGES IN THE SHORT TERM. BOTH THE GFS AND ETA MODEL PROGGED 110 KNOT UPPER LEVEL JET FORECAST TO MOVE INTO THE UPPER MIDWEST LATE TONIGHT AND THURSDAY. THE LATEST WATER VAPOR SATELLITE IMAGERY DEPICTED A JET MAX EXTENDING FROM THE PACIFIC NORTHWEST INTO THE NORTHERN ROCKIES THIS AFTERNOON. THIS FEATURE IS FORECAST TO MOVE OVER THE UPPER MIDWEST BY 12Z THURSDAY WITH THE MAIN CORE MOVING INTO EAST CENTRAL MN AND WEST CENTRAL WISCONSIN BY MIDDAY THURSDAY. BY THURSDAY AFTERNOON...SBCAPES AND LIFTED INDICES ARE INCREASING TO OVER 3000 J/KG AND -8 OVER WEST CENTRAL WISCONSIN. SEVERE STORMS LIKELY AHEAD OF SURFACE LOW...LIFTING OUT OF THE DAKOTAS INTO EAST CENTRAL MN THURSDAY. THE LATEST MODEL RUNS DIFFER SOMEWHAT ON THE TIMING AND STRENGTHEN OF THE SURFACE LOW...ETA MODEL HAS BEEN CONSISTENT WITH THE GFS THE FASTER OF THE TWO MODELS. WL GO WITH COMPROMISE OF THE TWO...WITH THE GREATEST THREAT OF SEVERE WEATHER OVR OUR FAR EASTERN CWA. CONVECTION/TSRA FIRING OVER THE DAKOTAS LATER TONIGHT..COULD POSE SOME PROBLEMS THURSDAY MORNING...BEFORE THE MAIN SHOW. NEGATIVE TILTED TROUGH TREK EAST INTO THE EASTERN GREAT LAKES FRIDAY WITH SECONDARY SHORTWAVE NOT HAVING ANY AVAILABLE MOISTURE TO WORK WITH FRIDAY NIGHT AND SATURDAY. WL KEEP THE FORECAST DRY FRIDAY INTO SATURDAY. LONGER TERM...SUNDAY INTO WEDNESDAY... 50H FLOW PATTERN MORE ZONAL THROUGH THE PERIOD...WITH MAIN JET OVER SOUTHERN CANADA. THIS SHOULD PROVIDE GENERALLY DRY CONDITIONS WITH NORMAL...OR SLIGHTLY ABOVE NORMAL TEMPERATURES FOR THE CWA. && MPX WATCHES/WARNINGS/ADVISORIES... MN...NONE. WI...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 910 AM CDT WED AUG 25 2004 MNZ041-047-048-054>057-064-065-073>075-082-083-091-092-261100- BLUE EARTH-BROWN-CHIPPEWA-DOUGLAS-FARIBAULT-KANDIYOHI-LAC QUI PARLE- MARTIN-NICOLLET-POPE-REDWOOD-RENVILLE-STEVENS-SWIFT-WATONWAN- YELLOW MEDICINE- 910 AM CDT WED AUG 25 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MUCH OF SOUTH CENTRAL AND WEST CENTRAL MINNESOTA. .DAY ONE...TODAY AND TONIGHT THE APPROACH OF A TROUGH OF LOW PRESSURE IN THE DAKOTAS WILL BRING A CHANCE OF THUNDERSTORMS THIS AFTERNOON AND INTO TONIGHT. SOME OF THE STORMS COULD PRODUCE LARGE HAIL OR DAMAGING WIND. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT. MNZ044-045-052-053-061>063-070-077-078-085-093-WIZ014>016-023>028- 261100- ANOKA-BARRON-CHIPPEWA-CHISAGO-DAKOTA-DUNN-EAU CLAIRE-FREEBORN- GOODHUE-ISANTI-KANABEC-MILLE LACS-PEPIN-PIERCE-POLK-RAMSEY-RICE-RUSK- ST CROIX-STEELE-WASHINGTON- 910 AM CDT WED AUG 25 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL MINNESOTA INTO WEST CENTRAL WISCONSIN. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THUNDERSTORMS ARE LIKELY THURSDAY AFTERNOON INTO THURSDAY EVENING AS A TROUGH OF LOW PRESSURE MOVES ACROSS MINNESOTA INTO WESTERN WISCONSIN. SOUTH WINDS AHEAD OF THE TROUGH WILL BRING A VERY UNSTABLE AIRMASS INTO THE AREA WHICH COULD PRODUCE SEVERE STORMS. LARGE HAIL AND DAMAGING WINDS WOULD BE THE PRIMARY THREAT...BUT THE THREAT OF A TORNADO OR TWO DOES EXIST...ESPECIALLY DURING THE AFTERNOON AND EARLY EVENING...FROM THE ST CROIX RIVER VALLEY AREA OF EAST CENTRAL MINNESOTA...INTO WESTERN WISCONSIN. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. MNZ042-043-049>051-058>060-066>069-076-084-261100- BENTON-CARVER-HENNEPIN-LE SUEUR-MCLEOD-MEEKER-MORRISON-SCOTT- SHERBURNE-SIBLEY-STEARNS-TODD-WASECA-WRIGHT- 910 AM CDT WED AUG 25 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND SOUTH CENTRAL MINNESOTA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THUNDERSTORMS ARE LIKELY THURSDAY AFTERNOON THROUGH THURSDAY EVENING AS A TROUGH OF LOW PRESSURE MOVES ACROSS MINNESOTA INTO WESTERN WISCONSIN. SOUTH WINDS AHEAD OF THE TROUGH WILL BRING A VERY UNSTABLE AIRMASS INTO THE AREA WHICH COULD PRODUCE SEVERE STORMS. LARGE HAIL AND DAMAGING WINDS WOULD BE THE PRIMARY THREAT. .SPOTTER INFORMATION STATEMENT... SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
The Sioux Falls radar (KFSD), 151 km away, was scanning. The volume nearest the first event began at 20:13 UTC.
5 hail, 3 thunderstorm wind. Local standard time, as filed.
A wind gust of 59 MPH was recorded by an automated wind sensor.
Trees were downed and a wagon was tossed into a pasture on a farm in Fortier Township.
Branches were downed.
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: 5418731, 5418732, 5418733, 5418734, 5418735, 5418736, 5418737, 5418738.