4 hail, 2 flash flood, 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 Grand Forks, ND wrote its last area forecast discussion before the first event at Aug 25, 9:59 AM CST, 1 hour 59 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND FORKS ND 1059 AM CDT THU AUG 25 2005 .UPDATE... FCST CHALLENGE IS PCPN TIMING AND SVR POTENTIAL FOR WCNTRL MN. UPPER LOW JUST NORTH OF REGINA SASK...MOVING SLOWLY EAST. WEDGE OF MUCH DRIER SFC-850 MB AIR FROM ECNTRL MN INTO NW AND NCNTRL ND INTO SRN MANITOBA...WITH DEW PTS IN THE 40S OVER OUR FAR NW FCST AREA (DVL-LANGDON-CAND0. SFC FRONT HAS BASICALLY BECOME NEARLY PARALLEL TO MID AND UPPER LEVEL FLOW AND WAS LOCATED NR A HCO-GFK-VCY LINE. FRONT WILL ONLY SLOWLY MOVE EAST TODAY INTO THIS EVENING AS UPPER LOW MOVES EAST. SCT TSRA RIGHT ALONG FRONT INCREASING IN THE VALLEY CITY-ABERDEEN COORIDOR AND THIS WILL RIDE NORTHEAST TODAY. COOL TEMPS AT THE SFC AND STILL WARM TEMPS AT 700-500 MB WILL LEAD TO LIMITED INSTABILITY SO NO SVR WX EXPECTED WITH THIS BAND. QUESTION IS OVER WCNTRL MN WHERE 12Z SPC OUTLOOK HAS WCNTRL MN IN SLIGHT RISK FOR THIS AFTN/EVE. LOW CLOUDS HANGING TOUGH OVER THAT AREA...WITH CLEARING TAKING PLACE OVER ERN MN AND SOUTH AND EAST OF ST CLOUD. PER 12Z ETA40 SOUNDING AT FERGUS FALLS TEMPS WOULD NEED TO REACH 81F BY LATE AFTN FOR LIFTED INDICES TO DROP TO -6...BUT ATTM THAT APPEARS TO BE A STRETCH. THUS INSTABILITY LOOKS LACKING AND MORE FOCUSED TOWARD THE SOUTH INTO PORTIONS OF SE SD INTO NEBRASKA. ALSO LOW-MID LEVEL SHEAR IS ALSO WEAK...MORE PRONOUNCED CLOSER TO STRONGER LEVEL 500 MB FLOW SOUTHEAST OF UPPER LOW OVER ND. SO SHEAR AND INSTABILITY AREAS NOT IN PHASE. FREEZING LEVEL ALSO HIGH WITH VALUES NR 14.5 KFT. THUS DID REMOVE SVR WORDING FOR MN CWA. CANNOT COMPLETELY RULE OUT ISOLD SVR HAILER BUT ODDS ARE AGAINST ANYTHING WIDESPREAD. && .FGF WATCHES/WARNINGS/ADVISORIES... ND...NONE. MN...NONE. && RIDDLE
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE GRAND FORKS ND 1243 PM CDT THU AUG 25 2005 MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052>054-261200- WEST POLK-NORMAN-CLAY-KITTSON-ROSEAU-LAKE OF THE WOODS- WEST MARSHALL-EAST MARSHALL-NORTH BELTRAMI-PENNINGTON-RED LAKE- EAST POLK-NORTH CLEARWATER-SOUTH BELTRAMI-MAHNOMEN- SOUTH CLEARWATER-HUBBARD-WEST BECKER-EAST BECKER-WILKIN- WEST OTTER TAIL-EAST OTTER TAIL-WADENA-GRANT-TOWNER-CAVALIER- PEMBINA-BENSON-RAMSEY-EASTERN WALSH COUNTY-EDDY-NELSON- GRAND FORKS-GRIGGS-STEELE-TRAILL-BARNES-CASS-RANSOM-SARGENT- RICHLAND-WESTERN WALSH COUNTY- 1243 PM CDT THU AUG 25 2005 ...ISOLATED SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING FOR A SMALL PART OF SOUTHEAST NORTH DAKOTA AND WEST CENTRAL MINNESOTA... THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN NORTH DAKOTA...WEST CENTRAL AND NORTHWEST MINNESOTA. .DAY ONE...TODAY AND TONIGHT ENOUGH INSTABILITY HAS BEEN GENERATED DUE TO INCREASED LOW LEVEL MOISTURE TO GENERATE A BAND OF THUNDERSTORMS JUST EAST OF A COLD FRONT WHICH WAS LOCATED FROM NEAR GRAND FORKS TO WEST OF FARGO. ISOLATED SEVERE THUNDERSTORMS PRODUCING LARGE HAIL WILL BE LIKELY MAINLY SOUTH OF A RED LAKE TO CROOKSTON LINE AND EAST OF A CROOKSTON TO FARGO TO LISBON LINE. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED. RIDDLE
The Fargo/Grand Forks radar (KMVX), 49 km away, was scanning. The volume nearest the first event began at 17:57 UTC.
4 hail, 2 flash flood. Local standard time, as filed.
The hail fell along the Traill/Cass county line near the Red River, before crossing into Norman county.
The hail fell along the Traill/Cass county line near the Red River, before crossing into Norman county.
Water was reported several feet deep in portions of Fargo, including 13th avenue south, 1st street south, and the 45th street underpass.
Around 3 inches of rain fell in less than an hour. A van was nearly covered in water beneath the Center Street underpass. Other vehicles were stranded around town by high water.
Pea to nickel sized hail fell near the Red River.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Dakota in 2005Every state in 2005This day in weather historyWarnings in North Dakota, August 2005
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: 5472183, 5472184, 5472185, 5472280, 5472278, 5472279.