Past Weather Events

2015

• May 10, 2015 - Storm Survey Rates Delmont, SD Tornado an EF-2

2014

• May 11, 2014 - Preliminary damage survey for Hospers Iowa tornado
   
• June 17, 2014 - June 17th Humboldt Tornado Preliminary Rating EF-2
   
• June 18, 2014 - Jerauld County, SD Tornadoes
   
• June 18, 2014 - EF-4 Tornado Damage near Alpena, SD
   
• June 18, 2014 - EF-2 Tornado Damage in Wessington Springs, SD
   

2013

• October 4, 2013 - Pierson, IA - Tornado Damage Survey

• October 4, 2013 - Tri-State Area Tornado Damage Survey

2012

• April 15, 2012 - A summary of wind gusts and severe weather reports from April 15, 2012

2011

• April 9, 2011 - Arthur/Cherokee County, IA - Tornado Damage Survey

• May 30, 2011 - Southeast South Dakota Storm Survey

• July 1, 2011 - Tyler and Ruthton Tornado Storm Survey

• July 1, 2011 - Radar Review for eastern South Dakota and southwest Minnesota High Precipitation Supercell

2010

• June 3, 2010 - Akron, IA - Straight-Line Wind Damage

• June 11, 2010 - Sioux Falls, SD - Straight-Line Wind Damage

• July 17, 2010 - Damaging Winds for Great Lakes Area of Dickinson County

• June 25, 2010 - Little Rock/Sibley, IA - Tornado Damage Survey

• July 22, 2010 - Maurice/Cherokee, IA - Straight-Line Wind Damage

• July 23, 2010 - Sioux Falls Dodges Strong Wind Friday Night

• Summary of Severe Weather, Heavy Rain, and Flooding in June/July 2010

2009

• March 23, 2009 - Severe weather reports and radar imagery

• June 24-25, 2009 - Storm Reports including tornadoes in southeast South Dakota

2008

• May 1, 2008 - Northwest Iowa Tornadoes and Large Hail in Southeast South Dakota

• May 19, 2008 - Severe Storms Produce Damaging Winds Across Northwest Iowa Monday Afternoon

• May 29, 2008 - Storm Survey for Southeast South Dakota

• June 5, 2008 - Tornado Damage in Marty and Baltic, SD

• July 11, 2008 -  Tornadoes in Northwest Iowa and Southwest Minnesota

• August 13, 2008 - Hail and Thunderstorm Wind Damage Reports

2007

• May 5, 2007 - Southeast South Dakota Tornadoes

• August 21, 2007 - Very Large Hail in Dante, South Dakota (State Record at this time)

2006

• May 2, 2006 - Kingsbury County Tornado

• May 23, 2006 - Union County Thunderstorm Wind Damage

• June 16, 2006 - Severe Weather and Flash Flooding from Supercell Thunderstorm

• August 18, 2006 - Radar Examination of Downburst Near Tea, South Dakota

• August 24, 2006 - Beadle County Tornadoes

2004

• May 21, 2004 - Spencer, Iowa Hailstorm

• June 11, 2004 - Storm Survey for Clay County, Iowa Tornadoes

2003

• June 24, 2003 - "Tornado Tuesday" Outbreak in southeast South Dakota

2001

• June 12, 2001 - Recalling the Severe Storms of June 12, 2001

• July 27, 2001 - Results of the Lennox, South Dakota, Tornado Damage Survey

• August 2, 2001 - Overview of Wind Damage Event in Sioux City, Iowa

• August 17, 2001 - Results of the Jackson, Nebraska, Tornado Damage Survey

2000

• June 3-4, 2000 - Damage Survey for Vermillion, SD

• July 11, 2000 - Madison, South Dakota Tornado Damage

1998

• May 30, 1998 - Spencer, South Dakota Tornado

1997

• June 20, 1997 - Damage Survey of Ethan, South Dakota

• July 13, 1997 - The EROS Hail Storm

1992

• June 16, 1992 - Chandler-Lake Wilson Minnesota F5 Tornado: Revisited on the 10th Anniversary

2015

• August 27-28, 2015 - Rainfall total across the region for 27-28 August 2015

2014

• June 17, 2014 - Rainfall Amounts in the Past 24 Hours Ending Tuesday Morning
   
• June 2014 - Canton Sets South Dakota State Record for Most Moisture
   
• June 2014 - Record Rainfall Across the Area in June 2014
   
• Summary - Sioux City sets record for most rainfall in a year

2013

• May 26-27, 2013 - Preliminary 2-Day Rainfall Totals

2012

• February 29,2012 - 24 Hour Precipitation Reports Ending Wednesday Morning
   
• May 6, 2012 - 24-Hour Heavy Rainfall ending Sunday Morning
   
• July 5, 2012 - The variability of rainfall with summer thunderstorms

2011

• July 26-27, 2011 - Heavy Rainfall Hits Huron and Sioux Falls

2010

• June 9-13, 2010 - Heavy Rainfall over Southeast South Dakota

• June 27, 2010 - Heavy Rainfall Totals in Northwest Iowa through Sunday Morning, June 27th

• June 28, 2010 - Record Flooding on the Little Sioux River at Cherokee

• July 29-30, 3010 - Heavy Rainfall including 9.5 inches at Wessington Springs

• June - July, 2010 - Summary of Severe Weather, Heavy Rain, and Flooding in June/July 2010

• June - August, 2010 - 2010 Meteorological Summer Rainfall Sets Many New Records

• September 22-23, 2010 - Storm Total Rainfall Map and Data for September 22nd and 23rd, 2010

• Record Precipitation in 2010 For Many Sites

2009

• September 3, 2009 - Sioux Gateway Airport measures new record precipitation for September 3

• October 2009 - Closing the books on a cool and wet October

2008

• June 5, 2008 - Heavy Rain and Flash Flooding in southeast South Dakota

• June 6, 2008 - Aerial Photos of Flooding across southeast South Dakota

2006

• June 16, 2006 - Severe Weather and Flash Flooding from Supercell Thunderstorm

2004

• May 29, 2004 - Overview of two heavy rain events in southeast South Dakota Spring 2004

• June 16, 2004 -  Overview of two heavy rain events in southeast South Dakota Spring 2004

2001

• July 24, 2001 - Heavy Rain: Sioux Falls into northwest Iowa

2015

• November 20, 2015 - Heavy Snow Band: Southeast South Dakota into northwest Iowa

2014

• March 18-19, 2014 - Snowfall Totals

• April 3, 2014 - Snowfall Map and Reports from Early Spring Storm

2013

• January 31, 2013 -  Coldest Wind Chill Values of the Day
   
• April 9-11, 2013 - Event Total Snow & Sleet Reports for April 9-11, 2013
   
• November 5, 2013 - Storm Total Snowfall for Southeast South Dakota and Northwest Iowa
   
• December 3-4, 2013 - Snowfall Reports
   
• December 23, 2013 - Coldest Wind Chills reported Monday morning

2012

• February 23, 2012 - Snowfall reports for Thursday, February 23, 2012

• December 9-10, 2012 - Weekend Winter Storm Recap

• December 28, 2012 - Storm Total Snowfall Reports Ending Friday Morning

2011

• Jan 30 - Feb 1, 2011 - Event Total Snowfall Amounts from January 30th to Early February 1st, 2011 

• February 21, 2011 - Storm Total Snowfall through 11 am CST Monday, February 21, 2011

• April 15-16, 2011 - Mid-April Snowfall Blankets Area, less than a week after severe weather

2010

• November 13, 2010 - Storm Total Snowfall for Mid Autumn 2010 Winter Storm

• December 31, 2010 - Snowfall Totals for New Years Eve Storm

2009

• April 4-5, 2009 - Snowfall Reports received through noon Sunday, April 5, 2009

• October 11-12, 2009 - Snowfall Totals for Sunday night and Monday

• October 2009 - Closing the books on a cool and wet October

• December 25-26, 2009 -  Christmas Storm Total Snowfall

2008

• January 21, 2008 - Snowfall reports from Monday, January 21, 2008

• March 31, 2008 - Snowfall Totals Through 7 PM Monday Evening

• April 25, 2008 - Heavy Snow: southeast South Dakota

• November 7, 2008 - An Early Winter Storm

• December 18-19, 2008 - Heavy Snow: northwest Iowa

• December 19-20, 2008 - Event total snowfall reports

• December 2008 - The Snow Kept Piling Up in December 2008

2007

• February 24 - March 2, 2007 - How much snow did we receive last week? More than two feet!
   
• April 10-11, 2007 - 24 Snowfall Reports Through Mid Morning - April 11, 2007

• March 12-13, 2006 - Snowfall Totals for March 12-13, 2006

2001

• February 14, 2001 - 3 to 6 inch Siouxland snowfall

• February 25, 2001 - Heavy Snow: south central to east central South Dakota

• March 11-12, 2001 - Heavy Snow: southwest Minnesota

2000

• November 11-13, 2000 - Heavy Snow: southeast South Dakota and southwest Minnesota

• November 15-16, 2000 - Heavy Snow: I-90 corridor

• November 30-December 1, 2000 - Heavy Snow: southwest Minnesota and northwest Iowa

1999

• October 1, 1999 - Do you remember what happened on October 1st 1999?

1909

• February 8-9, 1909 - A look back 100 years - the snowstorm of Feb 8-9, 1909

Winter Weather Research/Studies

• A look at snowstorms which affect Sioux Falls

Temp Extremes

2015

• January 2015 - A Look Back at Temperatures in January 2015

2013

• Spring 2013 - Spring 2013 Among Coldest on Record for Some Locations

• Spring 2013 - A Tale of Two Seasons: Temperature Comparison of Spring 2012 to Spring 2013

• August 11-17, 2013 - Cool Temperatures Across the Region

2012

• Spring 2012 - A Tale of Two Seasons: Temperature Comparison of Spring 2012 to Spring 2013

• October 7, 2012 - Record Breaking Chill Across the Area Sunday Morning

• November 21, 2012 - Record Warmth for Parts of the Area Today

2011

• August 26, 2011 - Convective Heat Burst affects Chamberlain late Thursday Night

2010

• May 7, 2010 - Very cool maximum temperatures

2009

• January 15, 2009 - Coldest Temperatures Since 1996

• January 20, 2009 - Wide range of temperatures across the Plains

• July 17-19, 2009 - A Look at Cool Weekend Temperatures

• October 2009 - Closing the books on a cool and wet October

2008

• July 30, 2008 - A Heat Burst Affects Mitchell South Dakota

• August 3, 2008 - Convective Heat Burst moves across Sioux Falls

• November 1-10, 2008 - A Tale of Two Seasons: Wild Start To November 2008

2006

• July 17, 2007 - Heat bursts across Minnesota on July 17, 2006

2000

• March 5, 2000 - Record Highs throughout the Northern Plains

1999

• November 8, 1999 - Record Highs around South Dakota

• December 29, 1999 - Record Highs around South Dakota

1936

• July 17, 1936 - Remembering an extremely hot day

Miscellaneous

• September 30, 2008 - Wave clouds over southeast South Dakota and southwest Minnesota

• Fall 2011 - Autumn 2011 Among the Driest Ever

• Summer 2012 - A very dry summer across the area

• October 18, 2012 - Peak wind speeds

• March 18, 2013 - Peak Wind Speeds

• Weather In Action: Contrails

• Weather In Action: Downbursts

• Weather In Action: Downslope Winds

• Weather In Action: Lake Shadow/Breeze

• Weather In Action: Lake Effect

• Weather In Action: Smoke Plume

• Weather In Action: Valley Fog

Storm Prediction Center

• Main page

• Archive Products

• Severe Weather Climatology

• Enhanced Fujita Scale (EF Scale)

Hurricanes

• Historical Hurricane Tracks

• Tropical Cyclone Climatology

• NHC Archive of Hurricane Seasons

• Deadliest, Costliest, Most Intense Hurricanes

National Climatic Data Center

• NCDC U.S. Storm Events Database