Special Weather Statement
Special Weather Statement
National Weather Service Aberdeen SD
155 AM CDT Wed Aug 19 2026
SDZ048-190800-
Lyman SD-
155 AM CDT Wed Aug 19 2026
...A STRONG THUNDERSTORM WILL IMPACT WEST CENTRAL LYMAN COUNTY UNTIL
3 AM CDT...
At 155 AM CDT, Doppler radar was tracking a strong thunderstorm 9
miles southwest of Earling Hill, or 12 miles south of Presho, moving
east at 15 mph.
HAZARD...Wind gusts up to 50 mph and pea 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.
This strong thunderstorm will remain over mainly rural areas of West
Central Lyman County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the weather situation closely and be alert for threatening
weather conditions.
&&
LAT...LON 4371 10019 4383 10011 4379 9972 4374 9976
4371 9976 4371 9979 4369 9984 4370 9986
4369 9985 4369 9987 4368 9986 4367 9987
4370 9990 4369 9993 4369 9998 4370 10000
4369 10001 4371 10001 4369 10011 4370 10013
TIME...MOT...LOC 0655Z 273DEG 14KT 4374 10013
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH
$$
MMM
Special Weather Statement
National Weather Service Rapid City SD
149 AM CDT Wed Aug 19 2026
SDZ046-047-049-190730-
Tripp SD-Mellette SD-Todd SD-
149 AM CDT Wed Aug 19 2026
...A LINE OF STRONG THUNDERSTORMS WILL IMPACT SOUTHEASTERN
MELLETTE...NORTHWESTERN TRIPP AND NORTHEASTERN TODD COUNTIES UNTIL
230 AM CDT...
At 149 AM CDT, Doppler radar was tracking a line of strong
thunderstorms extending from 15 miles north of Ideal to near Haystack
Butte, or extending from 27 miles north of Winner to 9 miles east of
Mission, moving east at 20 mph.
HAZARD...Wind gusts up to 50 mph and half inch size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Okreek, Ideal, Carter, Mosher, Witten, Hidden Timber, Haystack
Butte and northeastern Rosebud Reservation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Monitor the weather situation closely and be alert for threatening
weather conditions.
&&
LAT...LON 4356 10027 4371 10018 4369 10011 4371 10001
4369 9998 4370 9990 4367 9987 4369 9987
4369 9985 4370 9986 4369 9984 4370 9980
4372 9976 4375 9974 4343 9991 4316 10030
4330 10057
TIME...MOT...LOC 0648Z 289DEG 19KT 4375 10001 4350 10014 4328 10048
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH
$$
JC
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
950 PM CDT Tue Aug 18 2026
SDZ050-057-058-063-064-068-200300-
Gregory-Brule-Aurora-Charles Mix-Douglas-Bon Homme-
950 PM CDT Tue Aug 18 2026
This Hazardous Weather Outlook is for south central South Dakota
and southeast South Dakota.
.DAY ONE...Tonight.
Showers and thunderstorms will move into the area after 3 am. The
severe weather risk remains low, though the strongest storms will be
capable of wind gusts to 50 mph and small hail.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Isolated severe storms may be possible late Wednesday afternoon and
evening and again Thursday afternoon and evening.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed early Wednesday morning.
$$
Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
346 PM CDT Tue Aug 18 2026
MNZ082>085-091>093-192100-
Watonwan-Blue Earth-Waseca-Steele-Martin-Faribault-Freeborn-
346 PM CDT Tue Aug 18 2026
This Hazardous Weather Outlook is for portions of south central
Minnesota.
.DAY ONE...Tonight.
Isolated thunderstorms capable of small hail & gusty winds are
are possible this afternoon.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Scattered thunderstorms are expected Thursday evening. The
strongest storms could contain large hail & damaging winds.
.SPOTTER INFORMATION STATEMENT...
SKYWARN spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service North Platte NE
341 PM CDT Tue Aug 18 2026
NEZ004>010-022>029-035>038-056>059-069>071-094-192045-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
341 PM CDT Tue Aug 18 2026 /241 PM MDT Tue Aug 18 2026/
This Hazardous Weather Outlook is for portions of western and north
central Nebraska.
.DAY ONE...This afternoon and tonight.
Isolated to scattered thunderstorms are possible across the area
this evening and tonight. A few storms could be strong to severe.
Damaging winds, large hail, and locally heavy rainfall look to be the
primary threats.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Isolated to scattered thunderstorms chances continue Wednesday and
Thursday across western and north central Nebraska, with locally
heavy rainfall possible each day. A couple of storms could be strong
to severe through Thursday, with large hail and damaging winds as the
primary threats.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected to be needed at this time.
$$
Taylor
Hazardous Weather Outlook
National Weather Service Des Moines IA
309 PM CDT Tue Aug 18 2026
IAZ004>007-015>017-023>028-192015-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-
309 PM CDT Tue Aug 18 2026
This Hazardous Weather Outlook is for portions of central Iowa.
.DAY ONE...This afternoon and tonight
A Slight (2 out of 5) Risk for severe weather exists over the
area this evening. Large hail is the primary threat, though
damaging winds and heavy rain are also possible.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Occasional storm chances persist through the end of the week,
primarily over the southwest half of Iowa on Wednesday and over
northwest Iowa Thursday evening.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed this evening.
$$
Hazardous Weather Outlook
National Weather Service Des Moines IA
309 PM CDT Tue Aug 18 2026
IAZ033>039-044>050-057>062-070>075-081>086-092>097-192015-
Sac-Calhoun-Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-
Carroll-Greene-Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-
Polk-Jasper-Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-
Adams-Union-Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-
Wayne-Appanoose-Davis-
309 PM CDT Tue Aug 18 2026
This Hazardous Weather Outlook is for portions of central Iowa.
.DAY ONE...This afternoon and tonight
A Marginal (1 out of 5) Risk for severe weather exists over the
area this evening. Damaging winds and heavy rain are the main
threats, while small hail is also possible.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Occasional storm chances persist through the end of the week,
primarily over the southwest half of Iowa on Wednesday and over
northwest Iowa Thursday evening.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Aberdeen SD
351 AM CDT Tue Aug 18 2026
SDZ033-035>037-045-048-051-190900-
Stanley-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
351 AM CDT Tue Aug 18 2026 /251 AM MDT Tue Aug 18 2026/
This Hazardous Weather Outlook is for central South Dakota.
.DAY ONE...Today and tonight.
There is a Marginal Risk, (level 1 out of 5), for isolated severe
storms from late this afternoon through late this evening. The main
threats will be large hail of 1 inch in diameter and damaging winds
of 60 mph.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
There is a Marginal Risk, (level 1 out of 5), for isolated severe
storms Wednesday afternoon and Wednesday night. The main threats
will be large hail of 1 inch in diameter and damaging winds of 60
mph.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
