weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Sioux Falls SD
451 AM CDT Wed Jun 16 2021

IAZ001-MNZ071-072-080-081-089-097-098-SDZ040-055-056-062-067-171000-
Lyon-Lincoln-Murray-Cottonwood-Nobles-Pipestone-Rock-Brookings-Lake-
Moody-Minnehaha-
451 AM CDT Wed Jun 16 2021

This Hazardous Weather Outlook is for northwest Iowa, southwest
Minnesota, east central South Dakota and southeast South Dakota.

.DAY ONE...Today and tonight.

Well above normal temperatures are expected today with heat indices
in the 90s possible.

There is a chance of thunderstorms late this afternoon into the
overnight hours. If storms can form, a few may be strong to severe
with hail to the size of ping pong balls and damaging winds up to 70
mph.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Additional thunderstorms are possible Saturday night and Sunday
however the severe weather risk remains uncertain.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
451 AM CDT Wed Jun 16 2021

IAZ002-003-012>014-020>022-031-032-MNZ090-NEZ013-014-SDZ071-171000-
Osceola-Dickinson-Sioux-O`Brien-Clay-Plymouth-Cherokee-Buena Vista-
Woodbury-Ida-Jackson-Dixon-Dakota-Union-
451 AM CDT Wed Jun 16 2021

This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska and southeast South
Dakota.

.DAY ONE...Today and tonight.

Well above normal temperatures are expected today with heat indices
in the 90s possible.

There is a chance of thunderstorms late this afternoon into the
overnight hours. If storms can form, a few may be strong to severe
with hail to the size of ping pong balls and damaging winds up to 70
mph.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Additional thunderstorm chances exist through Thursday evening.
Again, if storms can form, a few may be strong to severe.

The chance for thunderstorms returns Saturday night into Sunday
although the risk for severe weather remains uncertain.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
443 AM CDT Wed Jun 16 2021

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-171000-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
443 AM CDT Wed Jun 16 2021

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...TODAY AND TONIGHT

There will be a chance for isolated to scattered thunderstorms
late tonight. Although severe weather is not currently expected,
a few of these storms may be able to produce small hail.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

There is a chance for thunderstorms Thursday morning. Severe
weather is not anticipated with these storms, however small
hail will be possible.

Thursday evening and overnight, a complex of thunderstorms is
expected to move across portions of eastern Iowa and northwest
Illinois. The primary threats will be damaging winds and hail.
The most favorable area for severe weather will be north of a
line from Fairfield, Iowa to Burlington, Iowa to Roseville,
Illinois. Very heavy rain is also possible with these storms and
may result in localized flooding.

Hot and humid conditions will result in heat indices from the
mid 90s to near 100 degrees Thursday afternoon.

Another chance of storms will be found Friday afternoon into
early evening ahead of a cold front, mainly south of Interstate
80. An isolated strong storm is possible.

Heat indices Friday afternoon will top out in the mid 90s to
near 100 degrees across portions of southeast Iowa, northeast
Missouri and west central Illinois.

Additional storms are likely across portions of the area Sunday
and Sunday night. Early indications suggest that some of these
storms could be strong to severe.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected for today and tonight. However,
spotter activation may be needed by Thursday evening.

$$

Hazardous Weather Outlook
National Weather Service Omaha/Valley NE
400 AM CDT Wed Jun 16 2021

IAZ043-055-056-069-079-080-090-091-NEZ011-012-015>018-030>034-
042>045-050>053-065>068-078-088>093-162300-
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-
400 AM CDT Wed Jun 16 2021

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

.DAY ONE...Today and Tonight

Isolated to widely scattered thunderstorms will occur across parts
of southwest Iowa and eastern Nebraska this morning. Additional
storms could form in the late afternoon or early evening across
parts of northeast Nebraska, then track southward through the area
during the evening and overnight hours. A few strong storms are
possible, but the chance of organized severe weather seems low at
this time.

A heat advisory has been issued for parts of northeast Nebraska
from 1 pm to 8 pm today. Heat index values in the area today should
peak between 95 and 105, highest in eastern Nebraska.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

There will be a chance for thunderstorms in the northern parts of
the area Thursday afternoon, and then those chances will spread
southward over the rest of the area Thursday night. Storms could
develop in parts of southeast Nebraska and southwest Iowa Friday
evening near a frontal boundary. A few storms could be severe both
Thursday and Friday.

Heat index values as high as 105 will be possible across parts of
southeast and east central Nebraska into southwest Iowa for Thursday
afternoon and evening.

Storm chances will be with us for part of the weekend and into early
next week. The highest chances should be from Saturday evening
through Sunday afternoon. Later outlooks will address the chance
of severe storms in those periods.

.SPOTTER INFORMATION STATEMENT...

$$

Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
307 AM CDT Wed Jun 16 2021

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
170815-
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-
307 AM CDT Wed Jun 16 2021

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

.DAY ONE...Today and Tonight.

A few severe storms are possible tonight, with the primary risks
being large hail and damaging winds.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Additional severe storms are possible Thursday afternoon and
evening over south central and southeast Minnesota and west
central Wisconsin. The main risks are damaging winds and large
hail.

Breezy winds and low humidity levels will lead to elevated fire
weather conditions on Friday.

Thunderstorms are possible again on Sunday into Monday. The
threat for severe weather early next week is uncertain at this
time.

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotter activation may be needed tonight and again on
Thursday afternoon.

$$

Hazardous Weather Outlook
National Weather Service La Crosse WI
237 AM CDT Wed Jun 16 2021

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-171200-
Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette-
Clayton-Wabasha-Dodge-Olmsted-Winona-Mower-Fillmore-Houston-
Taylor-Clark-Buffalo-Trempealeau-Jackson-La Crosse-Monroe-Juneau-
Adams-Vernon-Crawford-Richland-Grant-
237 AM CDT Wed Jun 16 2021

This Hazardous Weather Outlook is for portions of southeast
Minnesota...northeast Iowa and southwest into central Wisconsin.

.DAY ONE...Today and Tonight

Scattered thunderstorms are possible mainly after midnight
tonight. A few of of these storms could be on the stronger side
with small hail and gusty winds.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Thunderstorm chances continue Thursday into Thursday night. A few
storms later in the afternoon and evening may become severe with
large hail and gusty winds. In addition, there is the potential
for pockets of heavy rainfall with the storms. The greatest threat
for severe storms and heavier rainfall looks to be south of
Interstate 90.

Thunderstorm chances move in again by Sunday. At this time, it is
too early to determine any severe potential with these storms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed Thursday.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

$$

DAS

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
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE