Hazardous Weather Outlook
Issued by NWS Sioux Falls, SD

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FLUS43 KFSD 201011
HWOFSD

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
511 AM CDT Thu Jul 20 2017

IAZ020-021-031-032-NEZ013-014-SDZ069>071-211015-
Plymouth-Cherokee-Woodbury-Ida-Dixon-Dakota-Yankton-Clay SD-Union-
511 AM CDT Thu Jul 20 2017

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

.DAY ONE...Today and Tonight

Heat index values between 100 and 105 degrees are expected today.

Thunderstorms are expected across the region Thursday night.
Scattered strong to severe storms clusters may be possible
producing hail to the size of quarters and wind gusts to 60 mph.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Another hot and humid day is expected on Friday. Heat index
values may approach 100 to 105 degrees.

The risk of thunderstorms continues into Friday afternoon and
night. However, uncertainty remains on the exact location of this
thunderstorm activity. Some of this activity may also become
strong to severe.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be possible after 9 pm.

$$

IAZ001>003-012>014-022-MNZ071-072-080-081-089-090-097-098-
SDZ038>040-050-052>068-211015-
Lyon IA-Osceola-Dickinson-Sioux-O`Brien-Clay IA-Buena Vista-
Lincoln MN-Lyon MN-Murray-Cottonwood-Nobles-Jackson-Pipestone-
Rock-Beadle-Kingsbury-Brookings-Gregory-Jerauld-Sanborn-Miner-
Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-Minnehaha-
Charles Mix-Douglas-Hutchinson-Turner-Lincoln SD-Bon Homme-
511 AM CDT Thu Jul 20 2017

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

.DAY ONE...Today and Tonight

Heat index values between 92 and 100 degrees are expected today.

Thunderstorms are expected across the region Thursday night.
Scattered strong to severe storms clusters may be possible
producing hail to the size of quarters and wind gusts to 60 mph.


.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Heat index values may approach 95 to 105 degrees on Thursday.

The risk of thunderstorms continues into Friday afternoon and
night. However, uncertainty remains on the exact location of this
thunderstorm activity or if additional storms could reform. Some
of this activity may also become strong to severe.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible after 4 pm.

$$



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