Heavy rain caused continued minor flooding of the Little Sioux and Ocheyedan Rivers in northwest Iowa from the beginning of June to June 21st.
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 episode as NWS FSD wrote it up.
Heavy rain caused continued minor flooding of the Little Sioux and Ocheyedan Rivers in northwest Iowa from the beginning of June to June 21st.
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 Sioux Falls, SD wrote its last area forecast discussion before the first event at May 31, 8:05 PM CST, 3 hours 55 minutes earlier.
AREA FORECAST DISCUSSION FOR SOUTHEAST SD/SOUTHWEST MN/NORTHWEST IA NATIONAL WEATHER SERVICE SIOUX FALLS SD 905 PM CDT SAT MAY 31 2008 .DISCUSSION... NICE BATCH OF HIT AND MISS PULSING DIURNALLY DRIVEN SHRA/TSRA MOVD SEWD OVER MIDDLE OF CWA LATE THIS AFTN AND INTO THIS EVE. LAST HURRAH NOW NORTH OF STORM LAKE WHERE A NOWCAST WAS ISSUED FOR UP TO HALF INCH HAIL...THE BEST LOOKING STORM OF THE EVE. OTRW EVERYTHING IS HISTORY AND SKIES ARE CLEARING OUT AS PER PREV FCST...AS WNWLY FLOW OF MORE STABILIZING AIR TAKES OVER FOR THE NIGHT. && .AVIATION... VFR THRU 18Z SUN. && .PREV DISCUSSION... ANOTHER NW FLOW WAVE SLIDING THRU NWRN MN...WITH TAIL BRUSHING ACRS NERN SD. COLD TMPS AFLT COMBINED WITH STRONG THRESHHOLD OF JUNE HEATING HAS BUBBLED UP A NICE CU FIELD OVER MUCH OF AREA. SCT CONVECTION NOW BREAKING OUT ACRS NERN AND E CNTRL SD AS TMPS WARMED TO CONVECTIVE LVLS. A FEW CELLS CLOSE TO EXCEEDING 50 DBZ CRITERIA...BUT ENVIRONMENT IS EXTREMELY PULSY AND AT BEST WL GET A LITTLE SMALL HAIL WITH STRONGEST STORMS N OF A HON/EST LINE INTO EARLY EVENING. THIS WL BE ACTION OF NIGHT...AS PASSAGE OF WAVE AND LOSS OF DIURNAL HELP WL LEAD TO RAPID DEMISE OF PCPN/CLOUDS AND WIND. SFC RIDGE SETTLES ACRS AREA OVERNIGHT WITH LIGHT WINDS AND MAINLY CLEAR SKIES. HOWEVER...MORE CLDS MAY REDEVELOP THRU MO CORRIDOR IN MID LVL FRONTAL ZONE LTR TONIGHT. SUCH A MINIMAL THREAT THAT DID NOT PUT INTO GRIDS...BUT MAY END UP WITH A FEW ELEVATED RETURNS LATER TONIGHT DOWN TOWARD THE MO RVR ALONG THE EXPECTED MID LVL INSTABILITY GRADIENT. SUNDAY WL BE ANOTHER WARM DAY WITH HIGHS AGAIN THE 80S. WEAK S/W WL MOVE ACRS NRN NEB SUN AFTN ADN CUD PRODUCE AN ISOLD TRW FAR S IN THE AFTN/ERLY EVE. OTHERWISE MAIN WX FOCUS SHIFTS TO LATE SUN NITE INTO MON NITE. WUD EXPECT PRECIP TO DEVELOP SUN NITE AS RIDGE AXIS ALOFT SHIFTS EWD ALLOWING FOR SLY LLJ TO INCREASE DURING THE NIGHT. DECENT H85 FNTGEN WL LIFT NE ACRS CWA LATER SUN NITE INTO MON MORN. THISD SHUD BE FOCUS FOR ELEVATED CONVECTION WHICH SHUD DEVELOP ACRS SWRN CWA SUN NITE AND THEN SPREAD NE OVERNIGHT. CUD SEE SOME SMALL HAIL WITH THESE STORMS AS ELEVATED CAPES WUD SUPPORT THIS. MON WL SEE MORN CONVECTION LIFT NE OUT OF CWA WITH FOCUS FOR REDEVELOPMENT ALONG CDFNT ACRS WRN CWA DURING AFTN SPREADING INTO E LATE IN AFTN AND OVERNIGHT HOURS. SVR WL BE QUESTIONABLE DEPENDING ON HOW MUCH CLOUD COVER AND RAIN COOLED AIR WL COVER CWA. THIS ACTIVITY SHUD EXIT CWA DURING THE EVE AND OVERNIGHT HOURS AS S/W AND ASSOCD CDFNT PUSHES E OF CWA. TEMPS ON MON WL BE TRICKY DUE TO CLOUD COVER...BUT EXPECT AT LEAST SOME BREAKS DURING AFTN AS TYPICAL LULL BETWEEN SECONDAY DEVELOPMENT OF TRW OCCURS. IF WDPRD TRW DEVELOPS LATE SUN NITE AND MON MORN...THEN NEWR CWA CUD BE LIMITED TO HIGHS IN 60S AS SFC WRMFNT MAY STALL ACRSS THAT AREA WITH COOLER SELY FLOW. CURRENT MODELS SHOW THIS BNDRY LIFTING N OF CWA MON...BUT WL TEND TO KEEP IT A LTL FURTHER S AS MODELS TEND TO LIFT BNDRIES TOO FAR N AFTER MORN CONVECTION ENDS. COOLER WX ON TUES AND SHUD BE RELATIVELY DRY. WEAK S/W WL MOVE ACRS CWA LATE TUES AFTN AND NIGHT. MOISTURE WL BE LIMITED. NAM APPEARS TO BE TOO STG ON THIS FEATURE AND PREFER WEAKER SOLUTION. STILL WL MENTION SMALL POPS ACRS W TUE AFTN SPREADING INTO E TUES NITE. TEMPS ON TUES SHUD BE A LTL BLO NORM. LOOKS LIKE ANOTHER ROUND OF CONVECTION LATER WED NITE INTO THU AS STG SYS LIFTS NE OUT OF WRN US. CUD SEE FAIRLY WDSPREAD RAINS AND TRW. AGAIN THREAT OF SVR WX BUT MODELS DIFFER ON UPPER LEVEL SOLUTION. WUD EXPECT MODELS TO GET A BETTER HANDLE ON THIS IN THE NEXT FEW DAYS...BUT FEEL IT CUD BE A FAIRLY SIG SYS WITH POT FOR HVY RAINS AND PSBLY SVR WX. WL NOT DEVIATE FM HPC IN THE LONG RAINGE WITH TEMPS. HWVR...THU SHUD BE COOLER THAN WED WITH EXPECTED PRECIP. TEMPS MAY NOT GET OUT OF 60S W OF I29. SHUD WARM BACK UP TO NR NORM FRI AND SAT AS HGTS BUILD AGAIN AS WAVE LIFTS NEW INTO SRN CANADA. GFS APPEARS TO SLOW ON THIS SYS AND PREFER A COMPROMISE BETWEEN GFS AND EC MODELS. && .FSD WATCHES/WARNINGS/ADVISORIES... SD...NONE. MN...NONE. IA...NONE. NE...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 1048 AM CDT SAT MAY 31 2008 SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098- IAZ001>003-012>014-020>022-031-032-NEZ013-014-011200- AURORA-BEADLE-BON HOMME-BROOKINGS-BRULE-BUENA VISTA IA- CHARLES MIX-CHEROKEE IA-CLAY-CLAY IA-COTTONWOOD MN-DAKOTA NE- DAVISON-DICKINSON IA-DIXON NE-DOUGLAS-GREGORY-HANSON-HUTCHINSON- IDA IA-JACKSON MN-JERAULD-KINGSBURY-LAKE-LINCOLN-LINCOLN MN- LYON IA-LYON MN-MCCOOK-MINER-MINNEHAHA-MOODY-MURRAY MN-NOBLES MN- OBRIEN IA-OSCEOLA IA-PIPESTONE MN-PLYMOUTH IA-ROCK MN-SANBORN- SIOUX IA-TURNER-UNION-WOODBURY IA-YANKTON- 1048 AM CDT SAT MAY 31 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS... ISOLATED THUNDERSTORMS ARE EXPECTED TO DEVELOP BY MID AFTERNOON THROUGH THE JAMES VALLEY...SPREADING EAST AND SOUTHEAST THROUGH EARLY EVENING. THESE STORMS WILL NOT BE SEVERE. FLOODING... MINOR FLOODING WILL CONTINUE ON THE LITTLE SIOUX RIVER IN NORTHWEST IOWA INTO EARLY NEXT WEEK FROM NEAR SPENCER DOWNSTREAM TO AROUND LINN GROVE. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A WARM FRONT WILL LIFT ACROSS EASTERN SOUTH DAKOTA SUNDAY NIGHT INTO MONDAY. IT DOES APPEAR THAT AREAS NEAR AND SOUTH OF THE WARM FRONT WILL SEE A POTENTIAL FOR SEVERE THUNDERSTORMS BY MONDAY AFTERNOON AND EVENING. HOWEVER...WITH A GOOD POTENTIAL FOR THUNDERSTORMS NORTH OF THE AREA SUNDAY NIGHT INTO MONDAY MORNING...THERE IS UNCERTAINTY REGARDING WHERE THE WARM FRONT OR OTHER BOUNDARIES WILL BE LOCATED BY MONDAY AFTERNOON. AS A RESULT...IT IS DIFFICULT AT THIS TIME TO PINPOINT A MORE FAVORED AREA FOR REDEVELOPMENT MONDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. && FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.CRH.NOAA.GOV/FSD. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK.
The national radar mosaic for the moment the first event began.
5 flood. Local standard time, as filed.
Heavy rain caused minor flooding of farmland along the Little Sioux River from June 12th to June 14th, except over the far southern part of Dickinson County, where minor flooding continued from the beginning of June to June 14th.
Heavy rain caused minor flooding along the Little Sioux River to continue from the start of June to June 19th. Minor flooding of the Ocheyedan River in the Spencer area was also reported from June 12th to June 14th. The flooding affected some farmland close to the river.
Heavy rain caused continued minor flooding of farmland along the Little Sioux River.
Heavy rain caused continued minor flooding of farmland along the Little Sioux River.
Heavy rain caused continued minor flooding along the Little Sioux River.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Iowa in 2008Every state in 2008This day in weather historyWarnings in Iowa, June 2008
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: 120348, 120352, 120360, 120362, 120664.