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Storm Activity›South Dakota Storm Activity›Roberts County, SD
South Dakota · Official NOAA Storm Data

Roberts County Hail Map & Storm Reports

Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Nov 1, 2026

Has it hailed in Roberts County, South Dakota recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 11 hail reports with hail up to 1", among 57 severe weather events logged here in the last 12 months, together with 46 high-wind reports with gusts up to 65 mph. The most recent recorded storm activity was on Aug 7, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.

Map of Roberts County, South Dakota showing the county boundary and surrounding cities
Roberts County, South Dakota. Map © Mapbox © OpenStreetMap · County boundary: US Census Bureau.

Roberts County hail map

Where hail and high-wind reports clustered across Roberts County over the last 12 months. Heat shows report density and significance, not radar.

57
Events (12 mo)
11
Hail
46
Wind
0
Tornado
1"
Max hail
65
Max wind (mph)
Aug 7, 2026
Most recent

What the radar showed

Radar snapshot during the Jun 15, 2026 wind event near 1 WNW Summit, Roberts County, South Dakota, with NWS warning polygons
NEXRAD radar at the moment of the Jun 15, 2026 wind event (65 mph) near 1 WNW Summit. Outlined polygons are the storm-based warnings exactly as issued by the National Weather Service. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

Storm exposure for an address in Roberts County

Get a free report in your folder. A city is enough if you do not have a street.

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, August 7, 2026

1 NWS warning — hail up to 0.5"

NEXRAD radar during the Friday, August 7, 2026 storm activity in Roberts County, South Dakota
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 544 AM CDT, Doppler radar was tracking a strong thunderstorm over Yankeetown, or 8 miles southeast of Browns Valley, moving east at 25 mph. Hazard: Wind gusts up to 40 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... Yankeetown around 545 AM CDT.”

NWS severe weather mention · Roberts County

Monday, August 3, 2026

2 NWS warnings — hail up to 0.25"

NEXRAD radar during the Monday, August 3, 2026 storm activity in Roberts County, South Dakota
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 846 PM CDT, Doppler radar was tracking a line of strong thunderstorms extending from 9 miles east of Charlesville to over Lismore Colony, or extending from 23 miles northeast of Wheaton to 7 miles west of Clinton, 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.”

NWS severe weather mention · Roberts County

“At 813 PM CDT, Doppler radar was tracking a line of strong thunderstorms extending from over Immanuel Church to over Summit, or extending from 8 miles northeast of Wheaton to 9 miles southwest of Wilmot, moving east at 20 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.”

NWS severe weather mention · Roberts County

Monday, July 20, 2026

2 SPC verified storm reports · 1 NWS warning — hail up to 0.25", wind gusts up to 64 mph

NEXRAD radar during the Monday, July 20, 2026 storm activity in Roberts County, South Dakota
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Mesonet station 55 Summit (SDDOT). (ABR)”

SPC verified report · 1 WNW Summit

“At 1221 AM CDT, Doppler radar was tracking a strong thunderstorm near Agency Village, moving east at 35 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... Agency Village, Sisseton and Long Hollow Housing around 1225 AM CDT.”

NWS severe weather mention · Roberts County

Friday, July 10, 2026

1 NWS warning — hail up to 0.5"

“At 440 PM CDT, Doppler radar was tracking a cluster of strong thunderstorms capable of producing a landspout along a line extending from near Beardsley to near Lagoona Beach. Movement was east at 10 mph. Hazard: Landspouts, wind gusts up to 50 mph, and half inch hail. Impact: Minor damage to outdoor objects is possible. Gusty winds could knock down tree limbs and blow around unsecured objects.”

NWS severe weather mention · Roberts County

Thursday, July 9, 2026

1 NWS warning — hail up to 0.5"

“At 1125 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from near Rutland to 7 miles northwest of Westwood Colony to Forbes to near Venturia. Movement was southeast 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.”

NWS severe weather mention · Roberts County

Wednesday, July 8, 2026

1 SPC verified storm report — wind gusts up to 63 mph

NEXRAD radar during the Wednesday, July 8, 2026 storm activity in Roberts County, South Dakota
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Mesonet station 55 Summit (SDDOT). (ABR)”

SPC verified report · 1 WNW Summit

Saturday, July 4, 2026

1 SPC verified storm report · 1 NWS warning — hail up to 1"

NEXRAD radar during the Saturday, July 4, 2026 storm activity in Roberts County, South Dakota
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Photo of 1 hailstone from Fish Haven Road in Roberts County. Time estimated by radar and time that the photo was sent. (ABR)”

SPC verified report · 9 ENE Corona

“At 547 PM CDT, Doppler radar was tracking a strong thunderstorm over Lismore Colony, or 8 miles southwest of Clinton, moving east at 25 mph. Hazard: Wind gusts up to 40 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... Lismore Colony around 550 PM CDT.”

NWS severe weather mention · Roberts County

Monday, June 29, 2026

1 NWS warning — hail up to 0.88"

NEXRAD radar during the Monday, June 29, 2026 storm activity in Roberts County, South Dakota
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 942 AM CDT, Doppler radar was tracking a strong thunderstorm over Immanuel Church, or 9 miles northeast of Wheaton, moving northeast at 50 mph. Hazard: Wind gusts up to 50 mph and nickel size hail. Strong winds will remain well behind the area of heavy rain and hail. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible.”

NWS severe weather mention · Roberts County

Monday, June 15, 2026

1 SPC verified storm report · 4 NWS warnings — wind gusts up to 65 mph

NEXRAD radar during the Monday, June 15, 2026 storm activity in Roberts County, South Dakota
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“Mesonet station 55 Summit (SDDOT). (ABR)”

SPC verified report · 1 WNW Summit

“At 529 PM CDT, trained weather spotters reported strong thunderstorms along a line extending from near Long Hollow Housing to near Summit to Bryant. Movement was east 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...”

NWS severe weather mention · Roberts County

Wednesday, June 10, 2026

1 NWS warning — wind gusts up to 55 mph

“WHAT...Southwest wind gusts as high as 45 to 55 mph. WHERE...In Minnesota, Big Stone and Traverse Counties. In South Dakota, Deuel, Grant, and Roberts Counties. WHEN...Until 4 AM CDT early this morning. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”

NWS severe weather mention · Roberts County

Wednesday, June 3, 2026

2 NWS warnings — hail up to 0.75"

NEXRAD radar during the Wednesday, June 3, 2026 storm activity in Roberts County, South Dakota
Radar during the most significant activity of the day. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

“At 830 PM CDT, Doppler radar was tracking a strong thunderstorm over Siloah Country Church, or 10 miles southwest of Wheaton, moving east at 30 mph. Hazard: Wind gusts of 50 to 55 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...”

NWS severe weather mention · Roberts County

“At 856 PM CDT, Doppler radar was tracking strong thunderstorms along a line extending from 6 miles north of Trinity Lutheran Country Church to near Lismore Colony to near Marvin. Movement was southeast at 25 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.”

NWS severe weather mention · Roberts County

Thursday, May 14, 2026

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.”

NWS severe weather mention · Roberts County

“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.”

NWS severe weather mention · Roberts County

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.”

NWS severe weather mention · Roberts County

“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.”

NWS severe weather mention · Roberts County

Tuesday, May 12, 2026

1 NWS warning — wind gusts up to 50 mph

“WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph expected. WHERE...McPherson, Brown, Marshall, and Roberts Counties. WHEN...Until 7 PM CDT this evening. IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.”

NWS severe weather mention · Roberts County

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.”

NWS severe weather mention · Roberts County

Saturday, March 28, 2026

6 NWS warnings — wind gusts up to 60 mph

“AFFECTED AREA...In South Dakota, Marshall, Roberts and Day. WINDS...Southwest 25 to 35 mph with gusts up to 60 mph. RELATIVE HUMIDITY...As low as 23 percent. IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress.”

NWS severe weather mention · Roberts County

“AFFECTED AREA...In South Dakota, Marshall, Roberts and Day. 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 19 percent.”

NWS severe weather mention · Roberts County

Friday, March 27, 2026

4 NWS warnings — wind gusts up to 55 mph

“WHAT...Southwest winds 25 to 35 mph with gusts up to 55 mph expected, with locally higher wind gusts in the downslope enhanced areas along Interstate 29 between Peever and Summit. WHERE...Codington, Deuel, Grant, Marshall, and Roberts 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.”

NWS severe weather mention · Roberts County

“WHAT...Southwest winds 25 to 35 mph with gusts up to 55 mph expected. WHERE...Codington, Deuel, Grant, Marshall, and Roberts 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. ADDITIONAL DETAILS...Any fires that ignite will spread rapidly and become difficult to control or suppress.”

NWS severe weather mention · Roberts County

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.”

NWS severe weather mention · Roberts County

“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.”

NWS severe weather mention · Roberts County

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.”

NWS severe weather mention · Roberts County

“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.”

NWS severe weather mention · Roberts County

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.”

NWS severe weather mention · Roberts County

Wednesday, February 18, 2026

6 NWS warnings — wind gusts up to 65 mph

“WHAT...West winds 35 to 45 mph with gusts up to 65 mph. WHERE...Codington, Deuel, Grant, Hamlin, and Roberts Counties. WHEN...Until 2 PM CST this afternoon. IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.”

NWS severe weather mention · Roberts County

“WHAT...West winds 35 to 40 mph with gusts up to 60 mph. WHERE...Codington, Deuel, Grant, Hamlin, and Roberts Counties. WHEN...Until 2 PM CST this afternoon. IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles.”

NWS severe weather mention · Roberts County

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.”

NWS severe weather mention · Roberts County

“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.”

NWS severe weather mention · Roberts County

Thursday, December 4, 2025

2 NWS warnings — wind gusts up to 50 mph

“There will be sustained southwest winds of 20 to 25 mph with gusts up to 40 to 50 mph between Brandt and Sisseton this afternoon. These winds will be focused along the eastern side of the Prairie Coteau. This is causing blowing and drifting snow, which may briefly reduce visibilities down to a mile or less at times.”

NWS severe weather mention · Roberts County

“There will be sustained southwest winds of 20 to 25 mph with gusts up to 40 to 50 mph between Watertown and Sisseton this afternoon. These winds will be focused along the eastern side of the Prairie Coteau. This is causing mainly drifting snow, but in areas prone to blowing snow, the snow may be lofted and briefly reduce visibilities.”

NWS severe weather mention · Roberts County

Monday, November 10, 2025

1 NWS warning — wind gusts up to 55 mph

“Locally strong and gusty south to southwesterly winds of 20 to 30 mph with occasional gusts of 40 to 55 mph are expected along the eastern slopes of the Sisseton Hills this evening into the early morning hours on Tuesday. The locations most affected will be the higher terrain areas of the Sisseton Hills as well as up to 15 miles east of the hills.”

NWS severe weather mention · Roberts County

Today's severe weather outlook

Storm Prediction Center Day 1 convective outlook — national severe weather risk map for today
Storm Prediction Center Day 1 convective outlook: categorical severe weather risk for today, updated several times daily. Source: NOAA/NWS Storm Prediction Center.

Common questions

When was the last severe storm in Roberts County, SD?

The most recent recorded event was on Aug 7, 2026. Official NWS and SPC records show 57 severe weather events in Roberts 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 Roberts County recently?

Yes — 11 hail reports in the last 12 months, with hail up to 1" 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 Roberts 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.

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Proudly AI-powered. Honestly sourced. IDOLCheck is built by HailyAI. Every storm event, magnitude, radar snapshot, and date on this page is deterministic — retrieved directly from official NOAA, National Weather Service (NWS), and Storm Prediction Center (SPC) storm records through HailyAPI and displayed exactly as reported. Quoted warning and report text is always attributed to its official source. Where the surrounding copy is not a direct quote, it was generated with AI assistance from that same verified storm data and reviewed and approved by humans before publication. AI organizes and presents the record — it never invents storm data.
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