Severe Thunderstorm Watch
WATCH COUNTY NOTIFICATION FOR WATCHES 578/579
NATIONAL WEATHER SERVICE NORTH PLATTE NE
1007 PM CDT WED AUG 12 2026
NEC005-009-015-017-029-031-041-063-071-075-085-089-091-101-103-
111-113-115-117-135-149-171-183-130800-
/O.CON.KLBF.SV.A.0579.000000T0000Z-260813T0800Z/
SEVERE THUNDERSTORM WATCH 579 REMAINS VALID UNTIL 3 AM CDT /2 AM
MDT/ THURSDAY FOR THE FOLLOWING AREAS
IN NEBRASKA THIS WATCH INCLUDES 23 COUNTIES
IN CENTRAL NEBRASKA
CUSTER
IN NORTH CENTRAL NEBRASKA
BLAINE BOYD BROWN
CHERRY GARFIELD HOLT
KEYA PAHA LOUP ROCK
THOMAS WHEELER
IN SOUTHWEST NEBRASKA
CHASE FRONTIER HAYES
KEITH LINCOLN PERKINS
IN WEST CENTRAL NEBRASKA
ARTHUR GRANT HOOKER
LOGAN MCPHERSON
THIS INCLUDES THE CITIES OF AINSWORTH, ARTHUR, ATKINSON,
BARTLETT, BASSETT, BREWSTER, BROKEN BOW, BURWELL, BUTTE,
CHAMPION, CURTIS, DUNNING, ENDERS, ERICSON, EUSTIS, GRANT,
HALSEY, HAYES CENTER, HYANNIS, IMPERIAL, LYNCH, MAYWOOD, MULLEN,
NORTH PLATTE, O`NEILL, OGALLALA, PAXTON, PURDUM, RINGGOLD, ROSE,
SPENCER, SPRINGVIEW, STAPLETON, TAYLOR, THEDFORD, TRYON,
VALENTINE, AND WAUNETA.
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Des Moines IA
716 PM CDT Wed Aug 12 2026
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-131500-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union-
Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
716 PM CDT Wed Aug 12 2026
This Hazardous Weather Outlook is for portions of central Iowa.
.DAY ONE...Tonight
Thunderstorms are likely in parts of IOwa late tonight into
Thursday morning. Some storms may be severe, with damaging wind
gusts and locally heavy rainfall.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday
Additional chances for thunderstorms continue through the end of
this week. Severe weather and excessive rainfall are possible at
times through at least Friday.
Warm and humid conditions are expected to continue into late this
week over southern Iowa, where heat index values may near 100
degrees at times.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed at times over the next few days.
Severe weather and rainfall reports are also appreciated.
$$
Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
438 PM CDT Wed Aug 12 2026
MNZ041-047-048-054>057-064-065-067-073>075-082-083-091>093-132145-
Douglas-Stevens-Pope-Lac Qui Parle-Swift-Chippewa-Kandiyohi-
Yellow Medicine-Renville-Sibley-Redwood-Brown-Nicollet-Watonwan-
Blue Earth-Martin-Faribault-Freeborn-
438 PM CDT Wed Aug 12 2026
This Hazardous Weather Outlook is for portions of central
Minnesota...south central Minnesota...southwest Minnesota and
west central Minnesota.
.DAY ONE...Tonight.
Scattered thunderstorms are possible this evening into the early
morning hours. There is a small risk of storms reaching strong to
severe levels, with the main hazards being large hail and
damaging winds.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
SKYWARN spotter activation may be needed tonight.
$$
Hazardous Weather Outlook
National Weather Service North Platte NE
303 PM CDT Wed Aug 12 2026
NEZ004>010-022>029-035>038-056>059-069>071-094-132015-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-Grant-
Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-Logan-
Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
303 PM CDT Wed Aug 12 2026 /203 PM MDT Wed Aug 12 2026/
This Hazardous Weather Outlook is for portions of western and north
central Nebraska.
.DAY ONE...This afternoon and tonight.
Scattered thunderstorms are again expected to develop late this
afternoon into the early evening across western Nebraska and spread
eastward later tonight.Primary threats include damaging winds and
large to very large hail. In addition, locally heavy rainfall will
be possible tonight.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Additional chances for thunderstorms are expected Thursday through
Sunday. The threat will transition to locally heavy rainfall during
this period, however, a strong or severe storm cannot be ruled out.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed.
$$
Hazardous Weather Outlook
National Weather Service Aberdeen SD
149 PM CDT Wed Aug 12 2026
MNZ039-046-SDZ003>011-015>023-034-036-037-131900-
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-Roberts-
Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-Codington-Grant-
Hamlin-Deuel-Sully-Hyde-Hand-
149 PM CDT Wed Aug 12 2026 /1249 PM MDT Wed Aug 12 2026/
This Hazardous Weather Outlook is for west central Minnesota,
central South Dakota, north central South Dakota and northeast
South Dakota.
.DAY ONE...This afternoon and tonight.
There is a Marginal risk (level 1 of 5) for severe storms to develop
late this afternoon west river, migrating east in the evening and
overnight. We cant rule out a storm or two with up to 1 inch in
diameter hail and wind gusts up to 60 mph.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
No hazardous weather is expected at this time.
.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.
$$
Hazardous Weather Outlook
National Weather Service Aberdeen SD
149 PM CDT Wed Aug 12 2026
SDZ033-035-045-048-051-131900-
Stanley-Hughes-Jones-Lyman-Buffalo-
149 PM CDT Wed Aug 12 2026 /1249 PM MDT Wed Aug 12 2026/
This Hazardous Weather Outlook is for central South Dakota.
.DAY ONE...This afternoon and tonight.
There is a Slight risk (level 2 of 5) for severe storms to develop
this afternoon across southwest South Dakota and migrating into south
central South Dakota during the evening hours. Main threats include
up to 1 inch in diameter hail and wind gusts of 60 to 70 mph.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be requested. Weather spotters are encouraged
to submit reports to the National Weather Service in Aberdeen. The
public can submit reports on our web page, Facebook page, or our X
feed.
$$
Hazardous Weather Outlook
National Weather Service Sioux Falls SD
352 AM CDT Wed Aug 12 2026
IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-130900-
Lyon-Osceola-Dickinson-Sioux-O`Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Beadle-Kingsbury-Brookings-Gregory-
Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-
Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton-
Union-
352 AM CDT Wed Aug 12 2026
This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, central South
Dakota, east central South Dakota, south central South Dakota and
southeast South Dakota.
.DAY ONE...Today and tonight.
Scattered showers and thunderstorms will continue through about
daybreak this morning mainly along the Missouri River Valley and the
Highway-20 corridor. A few storms could become severe with 60 mph
winds and quarter sized hail being the main hazards.
Additional showers and thunderstorms are expected overnight mainly
south of I-90. A few stronger storms could produce wind gusts up to
60 mph and quarter sized hail.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Periodic chances for showers and thunderstorms continue every night
through Wednesday. A few storms could become strong to severe.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will likely be needed.
$$
