Clark County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 11, 2026
Clark County, South Dakota has recorded tornado activity: official National Weather Service (NWS) and Storm Prediction Center (SPC) records list 1 tornado report among 45 severe weather events here in the last 12 months, alongside 12 hail reports with hail up to 1" and 32 high-wind reports with gusts up to 65 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.
What the radar showed
Last 30 days in Clark 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.
Friday, July 24, 2026
2 NWS warnings — hail up to 0.25"
“At 1056 PM CDT, Doppler radar was tracking a strong thunderstorm near Clark, moving south at 50 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 damage to outdoor objects is possible. The strong thunderstorm will be near... Clark and Fordham Colony around 1100 PM CDT.”
“At 1034 PM CDT, Doppler radar was tracking a strong thunderstorm 6 miles southwest of Crocker, or 14 miles northwest of Clark, moving southeast at 50 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 damage to outdoor objects is possible. The strong thunderstorm will be near...”
- Hail 0.25" Clark County NWS severe weather mention
- Hail 0.25" Clark County NWS severe weather mention
Friday, July 10, 2026
2 NWS warnings — wind gusts up to 55 mph
“At 106 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Blue Dog Lake to near Swan Lake to Turton to near Devoe. Movement was southeast at 45 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 1232 AM CDT, Doppler radar was tracking strong thunderstorms along a line extending from Opitz Lake to near Andover to near Warner to near Cravens Corner. Movement was southeast 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...”
- Wind 55 mph Clark County NWS severe weather mention
- Wind 55 mph Clark County NWS severe weather mention
Tuesday, July 7, 2026
1 NWS warning — hail up to 0.75"
“At 1214 AM CDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from 7 miles northeast of Gary to near Naples. Movement was south at 20 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...”
- Hail 0.75" Clark County NWS severe weather mention
Thursday, July 2, 2026
4 SPC verified storm reports · 1 NWS warning — hail up to 1", wind gusts up to 59 mph, 1 tornado report
“At 444 PM CDT, Doppler radar was tracking a strong thunderstorm near Carpenter, or 17 miles southwest of Clark, moving northeast at 10 mph. Hazard: Wind gusts of 50 to 55 mph and nickel 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...”
- Tornado Tornado 5 SW Willow Lake SPC verified report
- Wind 59 mph 3 NNW Bryant SPC verified report
- Hail 0.88" Clark County NWS severe weather mention
- Hail 1" 7 WSW Willow Lake SPC verified report
- Wind Unknown 6 WSW Willow Lake SPC verified report
Sunday, June 28, 2026
1 NWS warning — wind gusts up to 50 mph
“At 125 AM CDT, Doppler radar was tracking a cluster of strong thunderstorms along a line extending from near Pierpont to Andover to 6 miles west of Butler to near Crocker to Fordham Colony. Movement was northeast at 45 mph. Hazard: Wind gusts up to 50 mph. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Strong thunderstorms will be near...”
- Wind 50 mph Clark County NWS severe weather mention
Monday, June 15, 2026
2 NWS warnings — wind gusts up to 55 mph
“At 435 PM CDT, trained weather spotters reported strong thunderstorms along a line extending from near Claire City to 8 miles south of Ortley to near Bryant. 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...”
“At 409 PM CDT, trained weather spotters reported strong thunderstorms along a line extending from 6 miles southeast of Kidder to Webster to near Raymond. Movement was east at 55 mph. Hazard: Wind gusts of 50 to 55 mph and blowing dust. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 55 mph Clark County NWS severe weather mention
- Wind 55 mph Clark County NWS severe weather mention
Wednesday, June 3, 2026
2 NWS warnings — hail up to 0.88"
“At 903 PM CDT, Doppler radar was tracking a strong thunderstorm near Fordham Colony, or near Clark, 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...”
“At 728 PM CDT, Doppler radar was tracking a strong thunderstorm near Carpenter, or 17 miles south of Clark, moving northeast at 30 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 hail damage to vegetation is possible. Locations impacted include...”
- Hail 0.88" Clark County NWS severe weather mention
- Hail 0.75" Clark County NWS severe weather mention
Tuesday, June 2, 2026
1 SPC verified storm report — hail up to 1"
- Hail 1" Willow Lake SPC verified report
Thursday, May 14, 2026
3 NWS warnings — wind gusts up to 50 mph
“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.”
“AFFECTED AREA...In South Dakota, Spink, Clark, Codington, Hamlin, Deuel, Stanley, Sully, Hughes, Hyde, Hand, Jones, Lyman and Buffalo. 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.”
- Wind 50 mph Clark County NWS severe weather mention
- Wind 50 mph Clark County NWS severe weather mention
- Wind 50 mph Clark County NWS severe weather mention
Wednesday, May 13, 2026
4 NWS warnings — wind gusts up to 50 mph
“AFFECTED AREA...In Minnesota, Traverse and Big Stone. In South Dakota, Brown, Marshall, Roberts, Day, Spink, Clark, Codington, Grant, Hamlin and Deuel. WINDS...West 25 to 35 mph with gusts up to 50 mph. RELATIVE HUMIDITY...As low as 18 percent. IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.”
“AFFECTED AREA...In Minnesota, Traverse and Big Stone. In South Dakota, Brown, Marshall, Roberts, Day, Spink, Clark, Codington, Grant, Hamlin and Deuel. WINDS...West 25 to 35 mph with gusts up to 50 mph. RELATIVE HUMIDITY...As low as 18 percent. IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.”
- Wind 50 mph Clark County NWS severe weather mention
- Wind 50 mph Clark County NWS severe weather mention
- Wind 50 mph Clark County NWS severe weather mention
- Wind 50 mph Clark County NWS severe weather mention
Wednesday, April 8, 2026
1 NWS warning — wind gusts up to 50 mph
“WHAT...West winds 25 to 40 mph with gusts up to 50 mph expected. WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Brown, Clark, Codington, Day, Grant, Marshall, Roberts, and Spink Counties. WHEN...Until 9 PM CDT this evening. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
- Wind 50 mph Clark County NWS severe weather mention
Saturday, March 28, 2026
2 NWS warnings — wind gusts up to 60 mph
“AFFECTED AREA...In South Dakota, Clark, Codington, Grant, Hamlin and Deuel. WINDS...Southwest 25 to 35 mph with gusts up to 60 mph. RELATIVE HUMIDITY...As low as 22 percent. IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.”
“AFFECTED AREA...In South Dakota, Clark, Codington, Grant, Hamlin and Deuel. WINDS...Southwest 25 to 35 mph with gusts up to 60 mph. The strongest winds will be in the favored Sisseton hills downslope areas during the late morning, before slowly diminishing in the mid to late afternoon. RELATIVE HUMIDITY...As low as 18 percent.”
- Wind 60 mph Clark County NWS severe weather mention
- Wind 60 mph Clark County NWS severe weather mention
Friday, March 27, 2026
5 NWS warnings — wind gusts up to 60 mph
“AFFECTED AREA...In South Dakota, Clark, Codington, Grant, Hamlin and Deuel. WINDS...Southwest 35 to 45 mph with gusts up to 60 mph. RELATIVE HUMIDITY...As low as 18 percent. IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.”
“WHAT...Southwest winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...Clark, Day, and Hamlin Counties. WHEN...From 7 AM to 5 PM CDT Saturday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
- Wind 60 mph Clark County NWS severe weather mention
- Wind 55 mph Clark County NWS severe weather mention
- Wind 55 mph Clark County NWS severe weather mention
- Wind 55 mph Clark County NWS severe weather mention
- Wind 50 mph Clark County NWS severe weather mention
Friday, March 13, 2026
2 NWS warnings — wind gusts up to 65 mph
“WHAT...Northwest winds 30 to 40 mph with gusts up to 65 mph. WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Clark, Codington, Day, Deuel, Grant, Hamlin, Marshall, and Roberts Counties. WHEN...Until 7 AM CDT this morning. 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. WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Clark, Codington, Day, Deuel, Grant, Hamlin, Marshall, and Roberts Counties. WHEN...Until 7 AM CDT this morning. IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.”
- Wind 65 mph Clark County NWS severe weather mention
- Wind 55 mph Clark County NWS severe weather mention
Thursday, March 12, 2026
3 NWS warnings — wind gusts up to 65 mph
“WHAT...Northwest winds 35 to 45 mph with gusts up to 65 mph expected. WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Clark, Codington, Day, Deuel, Grant, Hamlin, Marshall, and Roberts Counties. WHEN...Until 7 AM CDT Friday. 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 35 to 45 mph with gusts up to 65 mph expected. WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Clark, Codington, Day, Deuel, Grant, Hamlin, Marshall, and Roberts Counties. WHEN...From 7 PM this evening to 7 AM CDT Friday. IMPACTS...High winds may move loose debris, damage property and cause power outages.”
- Wind 65 mph Clark County NWS severe weather mention
- Wind 65 mph Clark County NWS severe weather mention
- Wind 65 mph Clark County NWS severe weather mention
Wednesday, March 11, 2026
1 NWS warning — wind gusts up to 60 mph
“WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph expected. WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Clark, Codington, Day, Deuel, Grant, Hamlin, Marshall, and Roberts Counties. WHEN...From 7 PM Thursday to 7 AM CDT Friday. IMPACTS...High winds may move loose debris, damage property and cause power outages.”
- Wind 60 mph Clark County NWS severe weather mention
Wednesday, February 18, 2026
2 NWS warnings — wind gusts up to 55 mph
“WHAT...West winds 30 to 40 mph with gusts up to 55 mph. WHERE...Brown, Clark, Codington, Day, Deuel, Grant, Hamlin, Marshall, Roberts, and Spink Counties. WHEN...Until noon CST today. 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. WHERE...Brown, Clark, Codington, Day, Deuel, Grant, Hamlin, Marshall, Roberts, and Spink Counties. WHEN...Until noon CST today. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
- Wind 55 mph Clark County NWS severe weather mention
- Wind 55 mph Clark County NWS severe weather mention
Tuesday, February 17, 2026
2 NWS warnings — wind gusts up to 50 mph
“WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected. WHERE...Brown, Clark, Codington, Day, Deuel, Grant, Hamlin, Marshall, Roberts, and Spink Counties. WHEN...From midnight tonight to noon CST 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...Brown, Clark, Codington, Day, Deuel, Grant, Hamlin, Marshall, Roberts, and Spink Counties. WHEN...From midnight tonight to noon CST Wednesday. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”
- Wind 50 mph Clark County NWS severe weather mention
- Wind 50 mph Clark County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Clark County, SD?
The most recent recorded event was in September 2026. Official NWS and SPC records show 45 severe weather events in Clark County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.
Has there been hail in Clark County recently?
Yes — 12 hail reports in the last 12 months, with hail up to 1" recorded.
How do I check whether a specific address was affected?
Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property — county-level pages like this one only tell part of the story.