Severe Thunderstorm Warning 256, NWS Aberdeen, SD

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Hazardous Weather Outlook
National Weather Service Aberdeen SD
315 AM CDT Sat Aug 29 2026

MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-301200-
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-Roberts-
Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-Codington-Grant-
Hamlin-Deuel-Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
315 AM CDT Sat Aug 29 2026 /215 AM MDT Sat Aug 29 2026/

This Hazardous Weather Outlook is for west central Minnesota,
central South Dakota, north central South Dakota and northeast
South Dakota.

.DAY ONE...Today and tonight.

A Marginal Risk for severe weather, a level 1 of 5 threat, is in
place for storms late this afternoon and into the overnight hours.
The best chance for showers and thunderstorms (30-60% chance) is over
north central South Dakota. The main severe threats will be hail of
one inch in diameter and wind gusts to 60 miles per hour. Heavy
rainfall is also possible.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

On Sunday, another Marginal Risk is in place for the entire area
during the late afternoon through overnight hours, with the best
chances for showers and thunderstorms (30-60% chance) over northern
South Dakota. The main severe threats will once again be hail of one
inch in diameter and wind gusts to 60 miles per hour.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be requested. Weather spotters are encouraged
to submit reports to the National Weather Service in Aberdeen. The
public can submit reports on our web page, Facebook page, or our X
feed.

SRF

Preliminary Local Storm Report
National Weather Service Aberdeen SD
648 PM CDT Sat Aug 29 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0630 PM     Hail             5 SSE Lowry             45.24N 99.96W
08/29/2026  E0.70 Inch       Potter             SD   Public

            Pea to Dime sized hail fell. Time estimated
            by radar.

&&

NV

Preliminary Local Storm Report
National Weather Service Aberdeen SD
732 PM CDT Sat Aug 29 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0714 PM     Hail             Eureka                  45.77N 99.63W
08/29/2026  M1.75 Inch       McPherson          SD   Trained Spotter

&&

NV

Special Weather Statement
National Weather Service Aberdeen SD
842 PM CDT Sat Aug 29 2026

SDZ016-300215-
Potter SD-
842 PM CDT Sat Aug 29 2026

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL POTTER COUNTY UNTIL 915
PM CDT...

At 842 PM CDT, Doppler radar was tracking a strong thunderstorm 8
miles northwest of Gettysburg, moving east at 20 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

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...
  Gettysburg around 900 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

&&

LAT...LON 4503 10018 4517 10012 4518 9978 4493 9989
TIME...MOT...LOC 0142Z 286DEG 18KT 4509 10006

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

SRF

Special Weather Statement
National Weather Service Aberdeen SD
952 PM CDT Sat Aug 29 2026

SDZ037-300330-
Hand SD-
952 PM CDT Sat Aug 29 2026

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL HAND COUNTY UNTIL 1030
PM CDT...

At 952 PM CDT, Doppler radar was tracking a strong thunderstorm over
Ree Heights, or 11 miles west of Miller, moving east at 25 mph.

HAZARD...Wind gusts up to 40 mph and penny size hail.

SOURCE...Radar indicated.

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...
  Ree Heights around 955 PM CDT.
  Miller around 1015 PM CDT.
  St. Lawrence around 1025 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

&&

LAT...LON 4448 9930 4459 9930 4465 9884 4438 9887
TIME...MOT...LOC 0252Z 273DEG 22KT 4454 9920

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

10

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