Gregory County Hail Map & Storm Reports
Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 13, 2026
Has it hailed in Gregory County, South Dakota recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 3 hail reports with hail up to 2.5", among 62 severe weather events logged here in the last 12 months, together with 59 high-wind reports with gusts up to 78 mph. The most recent recorded storm activity was in September 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
Gregory County hail map
Where hail and high-wind reports clustered across Gregory County over the last 12 months. Heat shows report density and significance, not radar.
What the radar showed
Last 30 days in Gregory County
Recent storms — full detail available in the app
Storm activity from the last 30 days is summarized at the county level on this page. Exact locations, radar snapshots, and official warning boundaries for recent events are available with a free account.
See the specifics — free →Storm log — the official record, day by day
Events older than 30 days, as recorded by the National Weather Service and Storm Prediction Center. Excerpts are quoted directly from official warnings and verified reports.
Saturday, July 18, 2026
1 SPC verified storm report — wind gusts up to 65 mph
“Mesonet station 283 SD RWIS Dixon. (FSD)”
- Wind 65 mph 2 E Dixon SPC verified report
Monday, July 6, 2026
1 SPC verified storm report — hail up to 1"
“Hailed for around one-half hour... with some as large as quarters at times. (FSD)”
- Hail 1" 7 NNE Burke SPC verified report
Tuesday, June 30, 2026
2 SPC verified storm reports — wind gusts up to 66 mph
“Personal weather station reported 66 mph wind gust at 2:04 am CDT. (FSD)”
“Personal weather station reported 61 mph wind gust at 2:23 am CDT. (FSD)”
- Wind 66 mph 1 WSW Fairfax SPC verified report
- Wind 61 mph 13 NE Burke SPC verified report
Saturday, June 27, 2026
3 SPC verified storm reports — wind gusts up to 71 mph
“Mesonet station 307 SD RWIS Dallas. (FSD)”
“Mesonet station 244 SD RWIS Ft. Randall Dam. (FSD)”
- Wind 71 mph Herrick SPC verified report
- Wind 60 mph 1 ESE Dallas SPC verified report
- Wind 58 mph 2 WSW Pickstown SPC verified report
Wednesday, June 17, 2026
2 NWS warnings — wind gusts up to 55 mph
“WHAT...Northwest winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...Portions of northeast Nebraska and central, east central, south central, and southeast South Dakota. WHEN...From 10 AM this morning to 9 PM CDT this evening. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph. WHERE...Portions of northeast Nebraska and central, east central, south central, and southeast South Dakota. WHEN...Until 9 PM CDT this evening. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 55 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
Tuesday, June 16, 2026
2 NWS warnings — wind gusts up to 55 mph
“WHAT...Northwest winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...Portions of northeast Nebraska and central, east central, south central, and southeast South Dakota. WHEN...From 10 AM to 9 PM CDT Wednesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“WHAT...Northwest winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...Portions of northeast Nebraska and central, east central, south central, and southeast South Dakota. WHEN...From 10 AM to 9 PM CDT Wednesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 55 mph Gregory County NWS severe weather mention
- Wind 55 mph Gregory County NWS severe weather mention
Wednesday, June 10, 2026
1 NWS warning — wind gusts up to 70 mph
“WHAT...Variable winds gusting as high as 60 to 70 mph behind departing thunderstorms. WHERE...Charles Mix, Douglas, Gregory, and Bon Homme Counties. WHEN...Until 1 AM CDT early this morning. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
- Wind 70 mph Gregory County NWS severe weather mention
Tuesday, June 9, 2026
2 NWS warnings — wind gusts up to 75 mph
“WHAT...Variable winds gusting as high as 60 to 75 mph behind departing thunderstorms. WHERE...Charles Mix, Douglas, and Gregory Counties. WHEN...Until 1 AM CDT Wednesday. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
“WHAT...West winds gusting as high as 60 to 75 mph behind departing thunderstorms. WHERE...Charles Mix, Douglas, and Gregory Counties. WHEN...Until 1 AM CDT Wednesday. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
- Wind 75 mph Gregory County NWS severe weather mention
- Wind 75 mph Gregory County NWS severe weather mention
Monday, June 8, 2026
3 SPC verified storm reports — wind gusts up to 73 mph
“A personal weather station near Fairfax recorded a 72.9 mph wind gust. (FSD)”
“A personal weather station near Herrick recorded a wind gust of 65 mph. (FSD)”
- Wind 73 mph 3 ENE Fairfax SPC verified report
- Wind 65 mph 6 NNE Herrick SPC verified report
- Wind 65 mph 2 WSW Pickstown SPC verified report
Sunday, May 17, 2026
4 SPC verified storm reports — hail up to 1.25", wind gusts up to 78 mph
“Via personal weather station. Exact time estimated via radar. (FSD)”
“Mesonet station 244 SD RWIS Ft. Randall Dam. (FSD)”
- Wind 76 mph 6 NNE Herrick SPC verified report
- Wind 78 mph 2 WSW Pickstown SPC verified report
- Wind 64 mph 3 SW Bonesteel SPC verified report
- Hail 1.25" Burke SPC verified report
Tuesday, April 21, 2026
2 NWS warnings — wind gusts up to 50 mph
“AFFECTED AREA...In South Dakota, Beadle, Gregory, Jerauld, Sanborn, Brule, Aurora, Davison, Hanson, Charles Mix, Douglas, Hutchinson, Bon Homme and Yankton. WINDS...South 25 to 35 mph with gusts up to 50 mph. RELATIVE HUMIDITY...As low as 15 percent. IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.”
“The National Weather Service in Sioux Falls has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Wednesday morning through Wednesday evening. AFFECTED AREA...In South Dakota, Beadle, Gregory, Jerauld, Sanborn, Brule, Aurora, Davison, Hanson, Charles Mix, Douglas, Hutchinson, Bon Homme and Yankton. WINDS...South 25 to 35 mph with gusts up to 50 mph.”
- Wind 50 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
Saturday, March 28, 2026
3 NWS warnings — wind gusts up to 50 mph
“AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Minnesota, Lincoln, Lyon, Murray, Cottonwood, Nobles, Jackson, Pipestone and Rock. In Nebraska, Dixon and Dakota.”
“AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Minnesota, Lincoln, Lyon, Murray, Cottonwood, Nobles, Jackson, Pipestone and Rock. In Nebraska, Dixon and Dakota.”
- Wind 50 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
Friday, March 27, 2026
3 NWS warnings — wind gusts up to 50 mph
“AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Minnesota, Lincoln, Lyon, Murray, Cottonwood, Nobles, Jackson, Pipestone and Rock. In Nebraska, Dixon and Dakota.”
“The National Weather Service in Sioux Falls has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 10 AM to 9 PM CDT Saturday. The Fire Weather Watch is no longer in effect. AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida.”
- Wind 50 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
Sunday, March 15, 2026
2 NWS warnings — wind gusts up to 60 mph
“WHAT...Northwest winds 35 to 45 mph with gusts up to 60 mph. WHERE...Charles Mix, Gregory, Bon Homme, and Yankton Counties. WHEN...Until 7 PM CDT this evening. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
“WHAT...North winds 35 to 45 mph with gusts up to 60 mph expected. WHERE...Charles Mix, Gregory, Bon Homme, and Yankton Counties. WHEN...Until 7 PM CDT this evening. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
- Wind 60 mph Gregory County NWS severe weather mention
- Wind 60 mph Gregory County NWS severe weather mention
Saturday, March 14, 2026
2 NWS warnings — wind gusts up to 60 mph
“WHAT...North winds 35 to 45 mph with gusts up to 60 mph expected. WHERE...Charles Mix, Gregory, Bon Homme, and Yankton Counties. WHEN...From 7 AM to 7 PM CDT Sunday. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
“WHAT...North winds 35 to 45 mph with gusts up to 60 mph expected. WHERE...Charles Mix, Gregory, Bon Homme, and Yankton Counties. WHEN...From 7 AM to 7 PM CDT Sunday. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
- Wind 60 mph Gregory County NWS severe weather mention
- Wind 60 mph Gregory County NWS severe weather mention
Friday, March 13, 2026
1 NWS warning — wind gusts up to 65 mph
“WHAT...Northwest winds 30 to 40 mph with gusts up to 65 mph. WHERE...Portions of central, east central, south central, and southeast South Dakota. WHEN...Until 7 AM CDT this morning. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
- Wind 65 mph Gregory County NWS severe weather mention
Thursday, March 12, 2026
2 NWS warnings — wind gusts up to 75 mph
“WHAT...Northwest winds 30 to 40 mph with gusts up to 75 mph expected. WHERE...Portions of southwest Minnesota and central, east central, south central, and southeast South Dakota. WHEN...From 7 PM this evening to 7 AM CDT Friday. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
“WHAT...Northwest winds 30 to 40 mph with gusts up to 70 mph. WHERE...Portions of central, east central, south central, and southeast South Dakota. WHEN...Until 7 AM CDT Friday. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
- Wind 75 mph Gregory County NWS severe weather mention
- Wind 70 mph Gregory County NWS severe weather mention
Wednesday, March 11, 2026
7 NWS warnings — wind gusts up to 75 mph
“WHAT...Northwest winds 30 to 40 mph with gusts up to 75 mph expected. WHERE...Portions of southwest Minnesota and central, east central, south central, and southeast South Dakota. WHEN...From 7 PM Thursday to 7 AM CDT Friday. IMPACTS...Damaging winds will blow down tree branches. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles.”
“AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Nebraska, Dixon and Dakota. In South Dakota, Beadle, Gregory, Jerauld, Sanborn, Miner, Lake, Brule, Aurora, Davison, Hanson, McCook, Minnehaha, Charles Mix, Douglas, Hutchinson, Turner, Lincoln, Bon Homme, Yankton, Clay and Union.”
- Wind 75 mph Gregory County NWS severe weather mention
- Wind 65 mph Gregory County NWS severe weather mention
- Wind 60 mph Gregory County NWS severe weather mention
- Wind 55 mph Gregory County NWS severe weather mention
- Wind 55 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
Friday, February 27, 2026
1 NWS warning — wind gusts up to 50 mph
“AFFECTED AREA...In Iowa, Lyon, Sioux, O'Brien, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Nebraska, Dixon and Dakota. In South Dakota, Gregory, Jerauld, Sanborn, Brule, Aurora, Davison, Hanson, McCook, Minnehaha, Charles Mix, Douglas, Hutchinson, Turner, Lincoln, Bon Homme, Yankton, Clay and Union. WINDS...Northwest 20 to 30 mph with gusts up to 50 mph.”
- Wind 50 mph Gregory County NWS severe weather mention
Wednesday, February 18, 2026
5 NWS warnings — wind gusts up to 55 mph
“AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Minnesota, Nobles, Jackson and Rock. In Nebraska, Dixon and Dakota. In South Dakota, Gregory, Brule, Aurora, Davison, Hanson, McCook, Minnehaha, Charles Mix, Douglas, Hutchinson, Turner, Lincoln, Bon Homme, Yankton, Clay and Union.”
“WHAT...West winds 25 to 30 mph with gusts up to 50 mph. WHERE...Charles Mix, Douglas, and Gregory Counties. WHEN...Until noon CST today. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
- Wind 55 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
Tuesday, February 17, 2026
5 NWS warnings — wind gusts up to 50 mph
“WHAT...West winds 25 to 35 mph with gusts up to 50 mph. WHERE...Portions of central and south central South Dakota. WHEN...Until noon CST Wednesday. IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.”
“The National Weather Service in Sioux Falls has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 10 AM to 6 PM CST Wednesday. The Fire Weather Watch is no longer in effect. AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Minnesota, Nobles, Jackson and Rock.”
- Wind 50 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
- Wind 50 mph Gregory County NWS severe weather mention
Saturday, January 17, 2026
2 NWS warnings — wind gusts up to 55 mph
“WHAT...Snow expected. Total snow accumulations up to one inch but locally higher in very narrow snow bands. Winds gusting 40 to 55 mph. WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. WHEN...From 3 AM to 9 PM CST Sunday. IMPACTS...Plan on slippery road conditions.”
“WHAT...Snow expected. Total snow accumulations up to one inch but locally higher in very narrow snow bands. Winds gusting as high as 40 to 55 mph. WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. WHEN...From 3 AM to 9 PM CST Sunday. IMPACTS...Plan on slippery road conditions.”
- Wind 55 mph Gregory County NWS severe weather mention
- Wind 55 mph Gregory County NWS severe weather mention
Friday, January 16, 2026
4 NWS warnings — wind gusts up to 60 mph
“WHAT...Snow and areas of blowing snow. Additional snow accumulations up to a half inch, but locally higher in very narrow snow bands. Winds gusting as high as 40 to 60 mph. WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. WHEN...Until midnight CST tonight.”
“WHAT...Snow and areas of blowing snow. Additional snow accumulations up to a half inch, but locally higher in very narrow snow bands. Winds gusting as high as 40 to 60 mph. WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. WHEN...Until 6 PM CST this evening.”
- Wind 60 mph Gregory County NWS severe weather mention
- Wind 60 mph Gregory County NWS severe weather mention
- Wind 60 mph Gregory County NWS severe weather mention
- Wind 60 mph Gregory County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Gregory County, SD?
The most recent recorded event was in September 2026. Official NWS and SPC records show 62 severe weather events in Gregory County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.
Did it hail in Gregory County recently?
Yes — 3 hail reports in the last 12 months, with hail up to 2.5" recorded. The hail map above shows where reports clustered; the storm log lists each day.
How do I see hail history for a specific address in Gregory County?
Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property, including the most recent 30 days — county-level pages like this one only tell part of the story.