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

Yankton County Hail Map & Storm Reports

Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Nov 2, 2026

Has it hailed in Yankton County, South Dakota recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 7 hail reports with hail up to 1.5", among 52 severe weather events logged here in the last 12 months, together with 45 high-wind reports with gusts up to 70 mph. The most recent recorded storm activity was on Aug 20, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.

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

Yankton County hail map

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

52
Events (12 mo)
7
Hail
45
Wind
0
Tornado
1.5"
Max hail
70
Max wind (mph)
Aug 20, 2026
Most recent

What the radar showed

Radar snapshot during the Aug 11, 2026 hail event near 8 SE Menno, Yankton County, South Dakota, with NWS warning polygons
NEXRAD radar at the moment of the Aug 11, 2026 hail event (1.5") near 8 SE Menno. 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 Yankton 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.

Thursday, August 20, 2026

1 SPC verified storm report — hail up to 1"

NEXRAD radar during the Thursday, August 20, 2026 storm activity in Yankton 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.

“In addition to quarter sized hail... about 1 inch of rainfall came through in about 15 minutes. (FSD)”

SPC verified report · 5 NE Lesterville

Tuesday, August 11, 2026

2 SPC verified storm reports — hail up to 1.5"

NEXRAD radar during the Tuesday, August 11, 2026 storm activity in Yankton 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.

Monday, June 29, 2026

2 SPC verified storm reports — hail up to 1"

NEXRAD radar during the Monday, June 29, 2026 storm activity in Yankton 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.

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.”

NWS severe weather mention · Yankton County

“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.”

NWS severe weather mention · Yankton County

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.”

NWS severe weather mention · Yankton County

“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.”

NWS severe weather mention · Yankton County

Sunday, May 24, 2026

2 SPC verified storm reports — hail up to 1.5"

NEXRAD radar during the Sunday, May 24, 2026 storm activity in Yankton 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.

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.”

NWS severe weather mention · Yankton County

“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.”

NWS severe weather mention · Yankton County

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.”

NWS severe weather mention · Yankton County

“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.”

NWS severe weather mention · Yankton County

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.”

NWS severe weather mention · Yankton County

“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.”

NWS severe weather mention · Yankton County

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.”

NWS severe weather mention · Yankton County

“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.”

NWS severe weather mention · Yankton County

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.”

NWS severe weather mention · Yankton County

“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.”

NWS severe weather mention · Yankton County

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.”

NWS severe weather mention · Yankton County

“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.”

NWS severe weather mention · Yankton County

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.”

NWS severe weather mention · Yankton County

“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.”

NWS severe weather mention · Yankton County

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 northwest and west central Iowa, northeast Nebraska, 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.”

NWS severe weather mention · Yankton County

Thursday, March 12, 2026

2 NWS warnings — wind gusts up to 70 mph

“WHAT...Northwest winds 30 to 40 mph with gusts up to 70 mph expected. WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. WHEN...From 9 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.”

NWS severe weather mention · Yankton County

“WHAT...Northwest winds 25 to 35 mph with gusts up to 65 mph expected. WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. WHEN...From 9 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.”

NWS severe weather mention · Yankton County

Wednesday, March 11, 2026

7 NWS warnings — wind gusts up to 70 mph

“WHAT...Northwest winds 30 to 40 mph with gusts up to 70 mph expected. WHERE...Portions of northwest and west central Iowa, northeast Nebraska, and southeast South Dakota. WHEN...From 9 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.”

NWS severe weather mention · Yankton County

“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.”

NWS severe weather mention · Yankton County

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.”

NWS severe weather mention · Yankton County

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.”

NWS severe weather mention · Yankton County

“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.”

NWS severe weather mention · Yankton County

Tuesday, February 17, 2026

3 NWS warnings — wind 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 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.”

NWS severe weather mention · Yankton County

“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.”

NWS severe weather mention · Yankton County

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.”

NWS severe weather mention · Yankton County

“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.”

NWS severe weather mention · Yankton County

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.”

NWS severe weather mention · Yankton County

“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.”

NWS severe weather mention · Yankton 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 Yankton County, SD?

The most recent recorded event was on Aug 20, 2026. Official NWS and SPC records show 52 severe weather events in Yankton 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 Yankton County recently?

Yes — 7 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.

How do I see hail history for a specific address in Yankton 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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