⚠️ Severe Thunderstorm Warning – Traverse, MN; Brown, SD; Clark, SD; Day, SD; Marshall, SD; Roberts, SD; Spink, SD – Monday, June 29, 2026

Severe Thunderstorm Warning issued June 29 at 8:30AM CDT until June 29 at 9:45AM CDT by NWS Aberdeen SD

Details

SVRABR

The National Weather Service in Aberdeen has issued a

* Severe Thunderstorm Warning for…
Central Traverse County in west central Minnesota…
Roberts County in northeastern South Dakota…
Day County in northeastern South Dakota…
Marshall County in northeastern South Dakota…
Southeastern Brown County in northeastern South Dakota…
Northwestern Clark County in northeastern South Dakota…
Northeastern Spink County in northeastern South Dakota…

* Until 945 AM CDT.

* At 829 AM CDT, a severe thunderstorm was located over Fort Sisseton
State Park, or 13 miles east of Langford, moving northeast at 55
mph.

THIS IS A DESTRUCTIVE STORM FOR DAY AND MARSHALL COUNTIES.

HAZARD…80 mph wind gusts and ping pong ball size hail.

SOURCE…Trained weather spotters.

IMPACT…Flying debris will be dangerous to those caught without
shelter. Mobile homes will be heavily damaged. Expect
considerable damage to roofs, windows, and vehicles.
Extensive tree damage and power outages are likely.

* This severe thunderstorm will be near…
Eden, Lake City, Clear Lake Rec Area, Cattail Lake, Roy Lake Rec
Area, and Red Iron Housing around 835 AM CDT.
Hillhead and Sica Hollow State Park around 840 AM CDT.
Veblen and Veblen Flats Housing around 845 AM CDT.

Other locations in the path of this severe thunderstorm include
Claire City.

Instructions

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. This storm has the potential to cause
serious injury and significant property damage.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.