McCook County Hail Map & Storm Reports
Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 14, 2026
McCook County, South Dakota has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 1 tornado report among 62 severe weather events here in the last 12 months, alongside 7 hail reports with hail up to 1.75" and 54 high-wind reports with gusts up to 75 mph. The most recent recorded storm activity was on Aug 6, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
McCook County hail map
Where hail and high-wind reports clustered across McCook County over the last 12 months. Heat shows report density and significance, not radar.
What the radar showed
Hail history for an address in McCook County
See address-level storm exposure — verified hail and wind reports plus official warning boundaries around any specific property, including the most recent 30 days. Free account, takes under a minute.
Check an address 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.
Thursday, August 6, 2026
1 SPC verified storm report — hail up to 1"
“Quarter sized hail damaged crops in the area. Time estimated by radar. (FSD)”
- Hail 1" 5 SW Canova SPC verified report
Friday, July 24, 2026
2 SPC verified storm reports — wind gusts up to 65 mph
“Wind gusts estimated at 65 mph bent an 8 inch diameter young tree at a 45 degree angle. No damage and no hail... but heavy rainfall. (FSD)”
- Wind 65 mph Canistota SPC verified report
- Wind 64 mph 3 SE Montrose SPC verified report
Wednesday, July 1, 2026
2 SPC verified storm reports — hail up to 1", wind gusts up to 60 mph
“Measured on personal weather station. (FSD)”
- Wind 60 mph 6 NNE Monroe SPC verified report
- Hail 1" 3 NE Emery SPC verified report
Saturday, June 27, 2026
1 SPC verified storm report — wind gusts up to 61 mph
- Wind 61 mph Canistota SPC verified report
Wednesday, June 17, 2026
1 SPC verified storm report · 2 NWS warnings — wind gusts up to 62 mph
“Mesonet station 322 SD RWIS STANLEY CORNER. (FSD)”
“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.”
- Wind 62 mph 4 N Dolton SPC verified report
- Wind 55 mph McCook County NWS severe weather mention
- Wind 50 mph McCook 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 McCook County NWS severe weather mention
- Wind 55 mph McCook County NWS severe weather mention
Monday, June 15, 2026
3 NWS warnings — wind gusts up to 60 mph
“Scattered showers and isolated thunderstorms continue to bring occasional wind gusts of 40 to 60 mph near and north of the Interstate 90 corridor this evening. Showers and storms diminish near and after sunset. If you have outdoor activities through this evening and see showers approaching, be prepared for a quick increase in the winds.”
“Scattered showers and isolated thunderstorms will bring occasional wind gusts of 40 to 60 mph near and north of the Interstate 90 corridor early this evening. The main threat will be near and west of I-29 through 7 pm, spreading east of I-29 from 6 pm to 8 pm. If you have outdoor activities during this time and see showers approaching, be prepared for a quick increase in the winds.”
- Wind 60 mph McCook County NWS severe weather mention
- Wind 60 mph McCook County NWS severe weather mention
- Wind 60 mph McCook 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...Aurora, Davison, Hanson, McCook, and Turner Counties. WHEN...Until 2 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 McCook County NWS severe weather mention
Sunday, May 31, 2026
4 SPC verified storm reports — hail up to 1.75", 1 tornado report
“Tornado is kicking up dust from the ground now. (FSD)”
“Most hail was pea to quarter sized... but a few were as big as golf balls. Farm fields further north are more damaged than his. (FSD)”
- Tornado Tornado 1 NW Bridgewater SPC verified report
- Hail 1.75" 2 N Canistota SPC verified report
- Hail 1.5" 4 NE Canistota SPC verified report
- Hail 1" 5 N Bridgewater SPC verified report
Sunday, May 24, 2026
1 SPC verified storm report — hail up to 1.5"
“Report via social media... time estimated by radar. (FSD)”
- Hail 1.5" 5 E Canistota SPC verified report
Saturday, May 23, 2026
1 SPC verified storm report — hail up to 1"
“Report from social media. Time estimated by radar. (FSD)”
- Hail 1" 3 SE Canistota SPC verified report
Thursday, May 14, 2026
2 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, Cottonwood, Nobles, Jackson and Rock. In Nebraska, Dixon and Dakota. In South Dakota, Hanson, McCook, Minnehaha, Hutchinson, Turner, Lincoln, Bon Homme, Yankton, Clay and Union. WINDS...South 25 to 35 mph with 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, Cottonwood, Nobles, Jackson and Rock. In Nebraska, Dixon and Dakota. In South Dakota, Hanson, McCook, Minnehaha, Hutchinson, Turner, Lincoln, Bon Homme, Yankton, Clay and Union. WINDS...South 25 to 35 mph with gusts up to 50 mph.”
- Wind 50 mph McCook County NWS severe weather mention
- Wind 50 mph McCook County NWS severe weather mention
Wednesday, May 13, 2026
2 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, Cottonwood, Nobles, Jackson and Rock. In Nebraska, Dixon and Dakota. In South Dakota, Hanson, McCook, Minnehaha, Hutchinson, Turner, Lincoln, Bon Homme, Yankton, Clay and Union. WINDS...South 25 to 35 mph with gusts up to 50 mph.”
“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 7 PM CDT Thursday. AFFECTED AREA...In Iowa, Lyon, Osceola, Dickinson, Sioux, O'Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury and Ida. In Minnesota, Cottonwood, Nobles, Jackson and Rock. In Nebraska, Dixon and Dakota.”
- Wind 50 mph McCook County NWS severe weather mention
- Wind 50 mph McCook 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 McCook County NWS severe weather mention
- Wind 50 mph McCook County NWS severe weather mention
- Wind 50 mph McCook 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 McCook County NWS severe weather mention
- Wind 50 mph McCook County NWS severe weather mention
- Wind 50 mph McCook County NWS severe weather mention
Friday, March 13, 2026
3 NWS warnings — 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.”
“WHAT...Northwest winds 25 to 35 mph with gusts up to 55 mph. WHERE...Portions of east 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 McCook County NWS severe weather mention
- Wind 55 mph McCook County NWS severe weather mention
- Wind 50 mph McCook 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 McCook County NWS severe weather mention
- Wind 70 mph McCook 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 McCook County NWS severe weather mention
- Wind 65 mph McCook County NWS severe weather mention
- Wind 60 mph McCook County NWS severe weather mention
- Wind 55 mph McCook County NWS severe weather mention
- Wind 55 mph McCook County NWS severe weather mention
- Wind 50 mph McCook County NWS severe weather mention
- Wind 50 mph McCook 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 McCook 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...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. 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 McCook County NWS severe weather mention
- Wind 50 mph McCook County NWS severe weather mention
- Wind 50 mph McCook County NWS severe weather mention
- Wind 50 mph McCook County NWS severe weather mention
- Wind 50 mph McCook County NWS severe weather mention
Tuesday, February 17, 2026
7 NWS warnings — wind gusts up to 55 mph
“WHAT...West winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...Portions of east central and southeast 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.”
“WHAT...West winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...Portions of east central and southeast South Dakota. WHEN...From midnight tonight to noon CST 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 McCook County NWS severe weather mention
- Wind 55 mph McCook County NWS severe weather mention
- Wind 50 mph McCook County NWS severe weather mention
- Wind 50 mph McCook County NWS severe weather mention
- Wind 50 mph McCook County NWS severe weather mention
- Wind 50 mph McCook County NWS severe weather mention
- Wind 50 mph McCook 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 McCook County NWS severe weather mention
- Wind 55 mph McCook 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 McCook County NWS severe weather mention
- Wind 60 mph McCook County NWS severe weather mention
- Wind 60 mph McCook County NWS severe weather mention
- Wind 60 mph McCook County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in McCook County, SD?
The most recent recorded event was on Aug 6, 2026. Official NWS and SPC records show 62 severe weather events in McCook 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 McCook County recently?
Yes — 7 hail reports in the last 12 months, with hail up to 1.75" 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 McCook 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.