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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Sioux Falls SD
418 AM CDT Tue Sep 17 2019

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-050-052>071-180930-
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-
418 AM CDT Tue Sep 17 2019

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.

Flooding resulting from heavy rainfall last week will continue to be
an ongoing concern. Moderate to major river flooding is expected to
continue in the James, Vermillion and Big Sioux Rivers for several
days.

Scattered to numerous storms are expected tonight into early
Wednesday, especially in areas east of Interstate 29. The risk of
severe weather is low, however, an isolated storm may become strong
enough to produce large hail or wind gusts in excess of 50 mph.
Locally heavy rainfall will also be possible.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Additional storms are possible Wednesday night, and again Friday
into early Saturday. These storms may produce locally heavy rainfall,
which could exacerbate ongoing flooding. Isolated storms Friday
afternoon and evening may also become strong to severe, though the
favored area and extent of the severe weather risk is still
uncertain.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
422 AM MDT Tue Sep 17 2019

SDZ043-044-046-047-049-181300-
Jackson-Bennett-Mellette-Todd-Tripp-
422 AM MDT Tue Sep 17 2019 /522 AM CDT Tue Sep 17 2019/

This Hazardous Weather Outlook is for portions of south central
South Dakota...and southwestern South Dakota.

.DAY ONE...Today and Tonight

Isolated showers and thunderstorms are expected this afternoon
and evening. Severe weather is not anticipated at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Scattered showers and thunderstorms will return to the area
Thursday night into Friday. Severe weather is not anticipated at
this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$

Hazardous Weather Outlook
National Weather Service North Platte NE
447 AM CDT Tue Sep 17 2019

NEZ004>010-022>029-035>038-056>059-069>071-094-181000-
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-
447 AM CDT Tue Sep 17 2019 /347 AM MDT Tue Sep 17 2019/

This Hazardous Weather Outlook is for portions of western and
north central Nebraska.

.DAY ONE...TODAY AND TONIGHT.

Rivers and creeks, including the Elkhorn, across the Sandhills
and north central Nebraska will continue to remain high through
the middle of this week. Flooding impacts will continue to be
felt for lowlands and areas adjacent to rivers and streams.

A few thunderstorms will be possible late this evening and
tonight, mainly for portions of northern Nebraska. At this time,
severe weather and heavy rain are not anticipated.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

A good chance for thunderstorms arrives Friday afternoon and
Friday night as a cold front crosses the area. Some of these
storms could be severe.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

&&

Get your weather, hydrological, and climate information at
http://www.weather.gov/northplatte

$$

Thorne

Hazardous Weather Outlook
National Weather Service Omaha/Valley NE
404 AM CDT Tue Sep 17 2019

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-180915-
Monona-Harrison-Shelby-Pottawattamie-Mills-Montgomery-Fremont-Page-
Knox-Cedar-Thurston-Antelope-Pierce-Wayne-Boone-Madison-Stanton-
Cuming-Burt-Platte-Colfax-Dodge-Washington-Butler-Saunders-Douglas-
Sarpy-Seward-Lancaster-Cass-Otoe-Saline-Jefferson-Gage-Johnson-
Nemaha-Pawnee-Richardson-
404 AM CDT Tue Sep 17 2019

This Hazardous Weather Outlook is for southwest Iowa, west central
Iowa, east central Nebraska, northeast Nebraska and southeast
Nebraska.

.DAY ONE...Today and tonight.

Minor flooding will continue along the Missouri River above Lewis
and Clark Lake, from near Decatur to Blair, and from Plattsmouth
downstream into Missouri.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Flooding will become more widespread along the Missouri River this
week as flood waters from South Dakota drain southward. A crest in
the flood waters is expected near Decatur Wednesday into Thursday,
with crests further south occurring through Sunday. Impacts are
possible along portions of Interstates 29 and 680 in western Iowa.
Low lying areas along the river will experience additional flooding.
Though impacts along the river may be significant, flooding should
not reach the levels experienced earlier this year.

Rain and thunderstorm chances remain in the forecast from this evening
into the weekend which will add additional water to the rivers. The
potential for heavy rain continues to increase, especially Wednesday
night into Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
404 AM CDT Tue Sep 17 2019

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
180900-
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-
Waseca-Steele-Martin-Faribault-Freeborn-Polk-Barron-Rusk-
St. Croix-Pierce-Dunn-Pepin-Eau Claire-
404 AM CDT Tue Sep 17 2019

This Hazardous Weather Outlook is for portions of central and
southern Minnesota...and west central Wisconsin.

.DAY ONE...Today and Tonight

Scattered thunderstorms will persist through early afternoon over
western and central Minnesota. Severe thunderstorms are not
expected through this afternoon.

Additional thunderstorms are expected to develop this evening over
western Minnesota and steadily progress eastward through the
overnight hours. There is a Marginal Risk of severe thunderstorms
tonight for much of western and central Minnesota with the main
hazards being large hail and damaging winds.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Isolated to scattered thunderstorms are possible Wednesday through
Sunday. At this time, there is a Slight Risk of severe
thunderstorms in western Minnesota on Friday with the main
hazards being large hail and damaging winds.

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotter activation may be needed late tonight into early
Wednesday morning.

$$

JPC

Hazardous Weather Outlook
National Weather Service Des Moines IA
357 AM CDT Tue Sep 17 2019

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-181100-
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-
357 AM CDT Tue Sep 17 2019

This Hazardous Weather Outlook is for much of central Iowa.

.DAY ONE...Today and tonight

Unseasonal heat and humidity is expected again today with peak
afternoon heat indices in the lower to middle 90s.

Thunderstorms are also likely north and west tonight. A few
strong to severe hail or wind storms are possible. Locally heavy
rains may occur as well.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Thunderstorm chances continue off and on Wednesday into the
weekend, especially Wednesday Night. A few strong to severe wind
or hail storms are possible through the work week, and the severe
potential toward the weekend will be better determined in the
coming days. Isolated heavy rain will be possible through the week
and may lead to localized flash flooding.

.SPOTTER INFORMATION STATEMENT...

The potential for spotter activation is low through much of the
work week.

$$

Small

Hazardous Weather Outlook
National Weather Service Aberdeen SD
354 AM CDT Tue Sep 17 2019

SDZ003>007-009>011-015>019-033>037-045-048-051-180900-
Corson-Campbell-McPherson-Brown-Marshall-Walworth-Edmunds-Day-Dewey-
Potter-Faulk-Spink-Clark-Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-
Buffalo-
354 AM CDT Tue Sep 17 2019 /254 AM MDT Tue Sep 17 2019/

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

.DAY ONE...Today and tonight.

Isolated showers and thunderstorms are possible this evening. Severe
weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Thunderstorms are possible Thursday night through Friday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

KF

Hazardous Weather Outlook
National Weather Service Aberdeen SD
354 AM CDT Tue Sep 17 2019

MNZ039-046-SDZ008-020>023-180900-
Traverse-Big Stone-Roberts-Codington-Grant-Hamlin-Deuel-
354 AM CDT Tue Sep 17 2019

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

.DAY ONE...Today and tonight.

Isolated showers and thunderstorms are possible Tuesday. Some of the
storms could become strong or severe, with strong wind and large
hail.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Thunderstorms are possible Friday through Friday night.

.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
Twitter feed.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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