Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Nov 1, 2026
Has it hailed in Corson County, South Dakota recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 23 hail reports with hail up to 1.5", among 94 severe weather events logged here in the last 12 months, together with 71 high-wind reports with gusts up to 80 mph. The most recent recorded storm activity was on Sep 28, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
Where hail and high-wind reports clustered across Corson County over the last 12 months. Heat shows report density and significance, not radar.
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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.
3 NWS warnings — hail up to 0.5"
“At 924 AM CDT /824 AM MDT/, Doppler radar was tracking a strong thunderstorm 7 miles southeast of Kenel, or 11 miles northeast of Wakpala, moving northeast at 30 mph. Hazard: Wind gusts up to 50 mph and half inch size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. The strong thunderstorm will be near...”
“At 732 AM MDT, Doppler radar was tracking a strong thunderstorm over Little Moreau Rec Area, or near Timber Lake, moving northeast at 30 mph. Hazard: Wind gusts up to 50 mph and half inch size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. The strong thunderstorm will be near...”
1 NWS warning — wind gusts up to 55 mph
“At 736 PM MDT, Doppler radar was tracking a strong thunderstorm 6 miles south of Thunder Hawk, or 42 miles west of Bullhead, moving east at 25 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. The strong thunderstorm will be near... Thunder Hawk around 740 PM MDT. Keldron and Morristown around 755 PM MDT.”
1 NWS warning — wind gusts up to 50 mph
“WHAT...Northwest winds 20 to 30 mph with gusts up to 50 mph. WHERE...Corson and Dewey Counties. WHEN...Until 6 AM MDT early this morning. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
6 NWS warnings — hail up to 0.5", wind gusts up to 55 mph
“WHAT...West winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...Corson and Dewey Counties. WHEN...Until 1 AM MDT Tuesday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
“WHAT...West winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...Corson and Dewey Counties. WHEN...From 11 AM this morning to midnight MDT tonight. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
2 NWS warnings — wind gusts up to 50 mph
“WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Corson and Dewey Counties. WHEN...From 11 AM to 9 PM MDT Monday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
“WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Corson and Dewey Counties. WHEN...From 11 AM to 9 PM MDT Monday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
1 SPC verified storm report — hail up to 1.5"
2 SPC verified storm reports — wind gusts up to 60 mph
“Mesonet station 178 Trail City (SDDOT). (ABR)”
1 NWS warning — wind gusts up to 50 mph
“...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MDT /9 PM CDT/ THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF CENTRAL AND NORTH CENTRAL SOUTH DAKOTA... AFFECTED AREA...Portions of central and north central South Dakota. TIMING...Until 9 PM CDT /8 PM MDT/ this evening. WINDS...North winds 25 to 35 mph with gusts up to 50 mph.”
2 SPC verified storm reports — wind gusts up to 64 mph
“Mesonet station GRRS2 Bullhead 10 S... Time estimated by Radar. (ABR)”
“Mesonet station 178 Trail City (SDDOT). (ABR)”
1 NWS warning — hail up to 0.75"
“At 536 PM CDT /436 PM MDT/, Doppler radar was tracking a strong thunderstorm near Pollock, or 13 miles west of Herreid, moving east at 35 mph. Hazard: Wind gusts up to 40 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. The strong thunderstorm will be near...”
1 SPC verified storm report · 1 NWS warning — hail up to 0.25", wind gusts up to 59 mph
“Mesonet station 337 Isabel 13 N (SDDOT). (ABR)”
“At 813 PM CDT /713 PM MDT/, Doppler radar was tracking an area of strong thunderstorms extending from 10 miles north of Mahto to 6 miles southwest of Trail City, or extending from 11 miles northeast of Mclaughlin to 14 miles east of Timber Lake, moving east at 45 mph. Hazard: Wind gusts of 50 to 55 mph and pea size hail.”
1 NWS warning — hail up to 0.75"
“At 624 AM MDT, Doppler radar was tracking a strong thunderstorm near Little Moreau Rec Area, or near Timber Lake, moving northeast at 30 mph. Hazard: Wind gusts up to 50 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”
3 NWS warnings — hail up to 0.88"
“At 524 AM MDT, Doppler radar was tracking a strong thunderstorm near Black Horse, or 19 miles west of Bullhead, moving east at 15 mph. Hazard: Nickel size hail. Impact: Minor hail damage to vegetation is possible. Locations impacted include... Klein Ranch, Black Horse, and southern Standing Rock Nation.”
“At 457 AM MDT, Doppler radar was tracking a strong thunderstorm 10 miles south of Morristown, or 26 miles southeast of Lemmon, moving east at 30 mph. Hazard: Wind gusts up to 50 mph and nickel size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Black Horse.”
1 NWS warning — hail up to 0.75"
“At 229 AM MDT, Doppler radar was tracking a strong thunderstorm 7 miles east of White Horse, or 19 miles southeast of Timber Lake, moving north at 55 mph. Hazard: Wind gusts up to 50 mph and penny size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include...”
5 NWS warnings — hail up to 0.88", wind gusts up to 50 mph
“WHAT...Southeast winds 25 to 35 mph with gusts up to 50 mph. WHERE...Portions of central and north central South Dakota. WHEN...Until 7 PM CDT /6 PM MDT/ this evening. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
“WHAT...Southeast winds 25 to 35 mph with gusts up to 50 mph expected. WHERE...Portions of central and north central South Dakota. WHEN...Until 7 PM CDT /6 PM MDT/ this evening. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
1 NWS warning — wind gusts up to 55 mph
“At 1016 PM CDT/916 PM MDT/, Doppler radar was tracking strong thunderstorms along a line extending from near Selfridge to near Mclaughlin to near Glencross. Movement was east at 40 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
1 NWS warning — wind gusts up to 50 mph
“WHAT...Northwest winds 30 to 40 mph with gusts up to 50 mph expected. WHERE...Corson and Dewey Counties. WHEN...From 9 AM to 8 PM MDT Wednesday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
1 SPC verified storm report · 1 NWS warning — hail up to 0.25", wind gusts up to 64 mph
“Mesonet station 205 McLaughlin (SDDOT). (ABR)”
“At 127 PM CDT/1227 PM MDT/, Doppler radar was tracking a strong thunderstorm near Kenel, or 11 miles northeast of Wakpala, moving east at 40 mph. Hazard: Wind gusts up to 50 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Herreid, Kenel, and Mound City.”
1 SPC verified storm report — wind gusts up to 60 mph
1 SPC verified storm report — wind gusts up to 61 mph
“Mesonet station GRRS2 Bullhead 10 S. Time estimated by radar. (ABR)”
3 NWS warnings — hail up to 0.5", wind gusts up to 50 mph
“WHAT...South winds 25 to 35 mph with gusts up to 50 mph expected. WHERE...Campbell, Corson, Dewey, Edmunds, McPherson, and Walworth Counties. WHEN...From noon CDT /11 AM MDT/ today to 8 PM CDT /7 PM MDT/ this evening. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
“At 1049 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from Walker to 6 miles south of Klein Ranch to 7 miles west of Green Grass. Movement was east at 40 mph. Hazard: Wind gusts of 50 to 55 mph and half inch hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible.”
1 NWS warning — wind gusts up to 50 mph
“WHAT...Southeast winds 25 to 35 mph with gusts up to 50 mph expected. WHERE...Corson and Dewey Counties. WHEN...From noon today to 11 PM MDT this evening. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
1 NWS warning — hail up to 0.88"
“At 501 PM MDT, Doppler radar was tracking a strong thunderstorm over Walker, or 9 miles north of Bullhead, moving north at 20 mph. Hazard: Nickel size hail. Impact: Minor hail damage to vegetation is possible. Locations impacted include... Walker and southern Standing Rock Nation.”
1 NWS warning — hail up to 0.25"
“At 912 PM CDT/812 PM MDT/, Doppler radar was tracking a strong thunderstorm near Pollock, or 13 miles west of Herreid, moving east at 25 mph. Hazard: Wind gusts up to 50 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include... Herreid, Pollock, Kenel, and Mound City.”
4 NWS warnings — wind gusts up to 50 mph
“AFFECTED AREA...In Minnesota, Traverse and Big Stone. In South Dakota, Corson, Campbell, McPherson, Brown, Marshall, Roberts, Walworth, Edmunds, Day, Dewey, Potter, Faulk and Grant. WINDS...West 20 to 30 mph with gusts up to 50 mph. RELATIVE HUMIDITY...As low as 17 percent. IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.”
“Strong wind gusts up to 50 mph are expected to persist through the afternoon hours today. Localized stronger wind gusts of more than 50 mph will be possible as the result of sprinkles or brief showers moving through this morning into the afternoon. This will lead to patchy to areas of blowing dust and reduced visibilities between 1 to 3 miles.”
10 NWS warnings — wind gusts up to 50 mph
“AFFECTED AREA...In South Dakota, Corson and Dewey. WINDS...West 25 to 35 mph with gusts up to 50 mph. RELATIVE HUMIDITY...As low as 14 percent. IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.”
“AFFECTED AREA...In South Dakota, Corson and Dewey. WINDS...West 25 to 35 mph with gusts up to 50 mph. RELATIVE HUMIDITY...As low as 14 percent. IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.”
3 NWS warnings — wind gusts up to 60 mph
“WHAT...West winds 30 to 40 mph with gusts up to 60 mph expected. WHERE...Campbell, Corson, Dewey, Edmunds, McPherson, and Walworth Counties. WHEN...Until 7 PM CDT /6 PM MDT/ this evening. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
“WHAT...West winds 30 to 40 mph with gusts up to 55 mph expected. WHERE...Campbell, Corson, Dewey, Edmunds, McPherson, and Walworth Counties. WHEN...From 11 AM CDT /10 AM MDT/ this morning to 7 PM CDT /6 PM MDT/ this evening. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
3 NWS warnings — hail up to 0.25", wind gusts up to 55 mph
“At 1128 PM CDT/1028 PM MDT/, Doppler radar was tracking strong thunderstorms along a line extending from 9 miles north of Glenham to near Hillsview to 6 miles northwest of North Scatterwood Lake. Movement was northeast at 60 mph. Hazard: Wind gusts of 50 to 55 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
“At 930 PM CDT/830 PM MDT/, Doppler radar was tracking strong thunderstorms along a line extending from Strasburg to 7 miles north of Gettysburg to 7 miles north of Wood. Movement was northeast at 55 mph. Hazard: Wind gusts of 50 to 55 mph and pea size hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible.”
3 NWS warnings — wind gusts up to 55 mph
“WHAT...Northwest winds 30 to 40 mph with gusts up to 55 mph. WHERE...Corson and Dewey Counties. WHEN...Until 6 PM MDT this evening. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
“WHAT...Northwest winds 30 to 40 mph with gusts up to 50 mph expected. WHERE...Corson and Dewey Counties. WHEN...Until 6 PM MDT this evening. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
2 NWS warnings — wind gusts up to 50 mph
“WHAT...West winds 30 to 40 mph with gusts up to 50 mph expected. WHERE...Corson and Dewey Counties. WHEN...From 9 AM to 6 PM MDT Wednesday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
“WHAT...West winds 30 to 40 mph with gusts up to 50 mph expected. WHERE...Corson and Dewey Counties. WHEN...From 9 AM to 6 PM MDT Wednesday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
5 NWS warnings — wind gusts up to 80 mph
“WHAT...Northwest winds 45 to 55 mph with gusts up to 80 mph expected. WHERE...Portions of central and north central South Dakota. WHEN...Until 1 AM CDT /midnight MDT/ Friday. IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.”
“AFFECTED AREA...In South Dakota, Corson, Campbell, McPherson, Walworth, Edmunds, Dewey, Potter, Faulk, Stanley, Sully, Hughes, Hyde, Hand, Jones, Lyman and Buffalo. WINDS...West 45 to 55 mph with gusts up to 80 mph. RELATIVE HUMIDITY...20 to 35 percent across south central South Dakota. 35 to 50 percent over north central South Dakota.”
5 NWS warnings — wind gusts up to 65 mph
“The National Weather Service in Aberdeen has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon CDT /11 AM MDT/ to 9 PM CDT /8 PM MDT/ Thursday. The Fire Weather Watch is no longer in effect. AFFECTED AREA...In South Dakota, Corson, Campbell, McPherson, Walworth, Edmunds, Dewey, Potter, Faulk, Stanley, Sully, Hughes, Hyde, Hand, Jones, Lyman and Buffalo.”
“AFFECTED AREA...In South Dakota, Corson, Campbell, McPherson, Walworth, Edmunds, Dewey, Potter, Faulk, Stanley, Sully, Hughes, Hyde, Hand, Jones, Lyman and Buffalo. WINDS...West 30 to 40 mph with gusts up to 65 mph. RELATIVE HUMIDITY...Down to between 20 and 35 percent. IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.”
2 NWS warnings — wind gusts up to 55 mph
“WHAT...Northwest winds 30 to 40 mph with gusts up to 55 mph possible. WHERE...Portions of central and north central South Dakota. WHEN...From Thursday afternoon through late Thursday night. IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.”
“WHAT...Northwest winds 30 to 40 mph with gusts up to 55 mph possible. WHERE...Portions of central and north central South Dakota. WHEN...From Thursday afternoon through late Thursday night. IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.”
6 NWS warnings — wind gusts up to 60 mph
“WHAT...Northwest winds 35 to 40 mph with gusts up to 60 mph. WHERE...Corson County. WHEN...Until 1 PM MST this afternoon. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
“WHAT...Northwest winds 35 to 45 mph with gusts up to 55 mph. WHERE...Corson County. WHEN...Until 11 AM MST this morning. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
3 NWS warnings — wind gusts up to 55 mph
“WHAT...West winds 25 to 35 mph with gusts up to 55 mph. WHERE...Portions of central and north central South Dakota. WHEN...Until noon CST /11 AM MST/ Wednesday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
“WHAT...West winds 25 to 35 mph with gusts up to 50 mph expected. WHERE...Portions of central and north central South Dakota. WHEN...From 9 PM CST /8 PM MST/ this evening to noon CST /11 AM MST/ Wednesday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
1 NWS warning — wind gusts up to 55 mph
“Wind gusts will generally remain below 60 mph through the evening hours. A Winter Weather Advisory remains in effect until 12 AM CST /11 PM MST/ this evening. Wind gusts ranging from 35 to 55 mph this evening with areas of light snow and blowing snow.”
1 NWS warning — wind gusts up to 75 mph
“WHAT...Northwest winds 40 to 50 mph with gusts up to 75 mph. WHERE...Campbell, Corson, Dewey, Potter, and Walworth Counties. WHEN...Until 3 PM CST /2 PM MST/ this afternoon. IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.”
2 NWS warnings — wind gusts up to 75 mph
“WHAT...Northwest winds 40 to 50 mph with gusts up to 75 mph expected. WHERE...Campbell, Corson, Dewey, Potter, and Walworth Counties. WHEN...From midnight CST /11 PM MST/ tonight to 3 PM CST /2 PM MST/ Thursday. IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.”
“WHAT...Northwest winds 40 to 50 mph with gusts up to 70 mph expected. WHERE...Campbell, Corson, Dewey, Potter, and Walworth Counties. WHEN...From midnight CST /11 PM MST/ tonight to 3 PM CST /2 PM MST/ Thursday. IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.”
The most recent recorded event was on Sep 28, 2026. Official NWS and SPC records show 94 severe weather events in Corson County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.
Yes — 23 hail reports in the last 12 months, with hail up to 1.5" recorded. The hail map above shows where reports clustered; the storm log lists each day.
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