Mellette County Storm Activity
Wind, hail, and tornado activity from official NOAA sources (NWS & SPC) · Last 180 days · Updated Sep 11, 2026
Has it hailed in Mellette County, South Dakota recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 38 hail reports with hail up to 1.5", among 58 severe weather events logged here in the last 180 days, together with 20 high-wind reports with gusts up to 96 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 Mellette 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.
Tuesday, August 11, 2026
2 SPC verified storm reports
“One person hit in the chest with a large tree limb while attempting to seek shelter in a basement at the house next door but was not injured. Numerous large tree limbs (UNR)”
“Numerous large trees snapped and uprooted at Moran Ranch. Damage to grain bins and outbuildings. Fences crushed and driveway blocked. Time estimated based on radar and (UNR)”
- Wind Unknown Wood SPC verified report
- Wind Unknown 12 S White River SPC verified report
Monday, August 10, 2026
4 SPC verified storm reports — wind gusts up to 96 mph
“Updated. Widespread and significant wind damage reported across the White River area. Numerous large trees down including on top of a home and on top of at least two ve (UNR)”
“Outbuildings blown over. Time estimated based on radar and nearby measured wind gusts. (UNR)”
- Wind 96 mph 1 S White River SPC verified report
- Wind 83 mph 4 WNW Cedar Butte SPC verified report
- Wind Unknown White River SPC verified report
- Wind Unknown Cedar Butte SPC verified report
Thursday, July 30, 2026
4 NWS warnings — hail up to 0.75"
“At 244 PM MDT /344 PM CDT/, Doppler radar was tracking a strong thunderstorm 7 miles southwest of Black Pipe, or 27 miles northeast of Martin, moving east at 10 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. Locations impacted include... Norris and Black Pipe.”
“At 155 PM CDT, Doppler radar was tracking a strong thunderstorm near Parmelee, or 20 miles southwest of White River, moving southeast at 15 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. Locations impacted include...”
- Hail 0.75" Mellette County NWS severe weather mention
- Hail 0.75" Mellette County NWS severe weather mention
- Hail 0.5" Mellette County NWS severe weather mention
- Hail 0.5" Mellette County NWS severe weather mention
Monday, July 27, 2026
2 NWS warnings — hail up to 0.5"
“At 457 PM MDT /557 PM CDT/, Doppler radar was tracking a line of strong thunderstorms extending from near Norris to 9 miles southwest of Spring Creek, or extending from 21 miles west of White River to 31 miles east of Martin, moving east at 15 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.”
“At 633 PM CDT, Doppler radar was tracking a strong thunderstorm over Mission, moving east 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 damage to outdoor objects is possible. Locations impacted include...”
- Hail 0.5" Mellette County NWS severe weather mention
- Hail 0.25" Mellette County NWS severe weather mention
Saturday, July 25, 2026
2 NWS warnings — hail up to 0.5", wind gusts up to 55 mph
“At 1241 PM MDT /141 PM CDT/, Doppler radar was tracking a strong thunderstorm 8 miles southeast of Belvidere, or 18 miles east of Kadoka, moving east at 30 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... Belvidere.”
“At 115 PM MDT /215 PM CDT/, Doppler radar was tracking an area of strong thunderstorms 12 miles north of Cedar Butte, or 18 miles northwest of White River, moving east at 20 mph. Hazard: Wind gusts of 50 to 55 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. Locations impacted include...”
- Wind 55 mph Mellette County NWS severe weather mention
- Hail 0.5" Mellette County NWS severe weather mention
Thursday, July 9, 2026
3 NWS warnings — hail up to 0.88"
“At 431 PM MDT /531 PM CDT/, Doppler radar was tracking a strong thunderstorm 7 miles northeast of Vetal, or 23 miles northeast of Martin, moving east at 15 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. Locations impacted include... Harrington and Vetal.”
“At 335 PM MDT /435 PM CDT/, Doppler radar was tracking a strong thunderstorm 6 miles south of Norris, or 27 miles southwest of White River, moving east at 20 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 damage to outdoor objects is possible. Locations impacted include...”
- Hail 0.88" Mellette County NWS severe weather mention
- Hail 0.88" Mellette County NWS severe weather mention
- Hail 0.75" Mellette County NWS severe weather mention
Monday, July 6, 2026
1 NWS warning — hail up to 0.88"
“At 255 PM CDT, Doppler radar was tracking a line of strong thunderstorms extending from 10 miles north of Ideal to near Okreek, or extending from 22 miles north of Winner to 11 miles northeast of Mission, moving southeast at 15 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.”
- Hail 0.88" Mellette County NWS severe weather mention
Friday, July 3, 2026
3 NWS warnings — hail up to 0.88"
“At 140 AM CDT, Doppler radar was tracking a strong thunderstorm 7 miles west of Swift Bear, or 7 miles west of White River, moving northeast at 25 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 damage to outdoor objects is possible. Locations impacted include... Swift Bear.”
“At 1230 AM MDT /130 AM CDT/, Doppler radar was tracking a line of strong thunderstorms extending from 18 miles north of Midland to 12 miles north of Cedar Butte, or extending from 37 miles northeast of Philip to 17 miles northwest of White River, moving east at 40 mph. Hazard: Wind gusts up to 50 mph and nickel size hail.”
- Hail 0.88" Mellette County NWS severe weather mention
- Hail 0.88" Mellette County NWS severe weather mention
- Hail 0.88" Mellette County NWS severe weather mention
Thursday, July 2, 2026
1 NWS warning — wind gusts up to 50 mph
“At 533 AM MDT /633 AM CDT/, Doppler radar and weather stations were tracking gusty thunderstorm outflow winds extending from near Dry Wood Housing to 22 miles south of Spring Creek, or extending from 20 miles northwest of Pine Ridge to 39 miles southeast of Martin, moving northeast at 25 MPH. Hazard: Wind gusts of 40 to 50 MPH.”
- Wind 50 mph Mellette County NWS severe weather mention
Sunday, June 28, 2026
2 SPC verified storm reports — hail up to 1", wind gusts up to 70 mph
- Wind 70 mph 3 W White River SPC verified report
- Hail 1" 3 SSE White River SPC verified report
Saturday, June 27, 2026
2 NWS warnings — hail up to 0.88"
“At 933 PM CDT /833 PM MDT/, Doppler radar was tracking a strong thunderstorm near Eagle Nest Butte, or 20 miles north of Martin, moving northeast at 55 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 damage to outdoor objects is possible. Locations impacted include...”
“At 846 PM MDT /946 PM CDT/, Doppler radar was tracking a line of strong thunderstorms extending from 11 miles north of Kadoka to 7 miles southwest of Norris, or extending from 10 miles southeast of Philip to 27 miles northeast of Martin, moving east 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.”
- Hail 0.88" Mellette County NWS severe weather mention
- Hail 0.75" Mellette County NWS severe weather mention
Tuesday, June 23, 2026
1 NWS warning — hail up to 0.88"
“At 1118 PM MDT /1218 AM CDT/, Doppler radar was tracking a strong thunderstorm near Hisle, or 13 miles north of Martin, moving east at 40 mph. Hazard: Nickel size hail. Impact: Minor damage to outdoor objects is possible. Locations impacted include... Parmelee, Upper Cut Meat, He Dog, Hisle and northwestern Rosebud Reservation.”
- Hail 0.88" Mellette County NWS severe weather mention
Tuesday, June 9, 2026
1 NWS warning — hail up to 0.75"
“At 843 PM CDT, Doppler radar was tracking a strong thunderstorm over Fairgrounds Housing, or 10 miles west of Mission, moving northeast at 35 mph. Hazard: Wind gusts of 50 to 55 mph and pea to 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" Mellette County NWS severe weather mention
Monday, June 8, 2026
1 SPC verified storm report — wind gusts up to 60 mph
- Wind 60 mph 2 N White River SPC verified report
Tuesday, June 2, 2026
2 SPC verified storm reports · 2 NWS warnings — hail up to 1.5", wind gusts up to 60 mph
“Estimated ping pong ball size hail... zero visibility... very strong winds at least over 60 MPH rocking truck back and forth. Street flooding now occurring across White (UNR)”
“Estimated ping pong ball size hail... zero visibility... very strong winds at least over 60 MPH rocking truck back and forth. Street flooding now occurring across White (UNR)”
- Hail 1.5" White River SPC verified report
- Wind 60 mph White River SPC verified report
- Hail 0.88" Mellette County NWS severe weather mention
- Hail 0.88" Mellette County NWS severe weather mention
Wednesday, April 22, 2026
8 NWS warnings — hail up to 0.5", wind gusts up to 55 mph
“At 634 PM MDT/734 PM CDT/, Doppler radar was tracking strong thunderstorms along a line extending from 2 miles west of Belvidere to 5 miles northeast of George Town to Eagle Nest Butte. Movement was northeast at 50 mph. Hazard: Wind gusts of 50 to 55 mph. Dry lightning. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
“At 530 PM CDT, Doppler radar was tracking a strong thunderstorm 6 miles north of Cedar Butte, or 15 miles northwest of White River, moving northeast at 45 mph. Hazard: Wind gusts up to 50 mph. Dry lightning. Impact: Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include...”
- Wind 55 mph Mellette County NWS severe weather mention
- Wind 50 mph Mellette County NWS severe weather mention
- Wind 50 mph Mellette County NWS severe weather mention
- Hail 0.5" Mellette County NWS severe weather mention
- Hail 0.5" Mellette County NWS severe weather mention
- Hail 0.5" Mellette County NWS severe weather mention
- Hail 0.5" Mellette County NWS severe weather mention
- Hail 0.25" Mellette County NWS severe weather mention
Saturday, April 11, 2026
2 NWS warnings — wind gusts up to 55 mph
“At 916 PM MDT/1016 PM CDT/, Doppler radar was tracking gusty showers along a line extending from 7 miles east of Grindstone Butte to 2 miles east of George Town. Movement was east at 50 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 847 PM MDT/947 PM CDT/, Doppler radar was tracking gusty showers along a line extending from 2 miles north of Minuteman Missile Visitors Center to 6 miles west of Wanblee to near Swett. Movement was east at 35 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 Mellette County NWS severe weather mention
- Wind 55 mph Mellette County NWS severe weather mention
Saturday, March 21, 2026
1 NWS warning — wind gusts up to 55 mph
“A strong cold front will move through the area this evening. Wind gusts to 55 mph will be possible as the front passes, with gusty winds lasting a few hours. A few localized gusts to around 60 mph are possible. Winds will drop off quickly late this evening and overnight.”
- Wind 55 mph Mellette County NWS severe weather mention
Today's severe weather outlook
Common questions
When was the last severe storm in Mellette County, SD?
The most recent recorded event was in September 2026. Official NWS and SPC records show 58 severe weather events in Mellette County over the last 180 days. Exact dates and locations for recent storms are available in the app with a free account.
Has there been hail in Mellette County recently?
Yes — 38 hail reports in the last 180 days, with hail up to 1.5" 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.