Hazardous Weather Outlook
Issued by NWS Sioux Falls, SD

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FLUS43 KFSD 192106
HWOFSD

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
406 PM CDT Wed Jul 19 2017

IAZ020-031-NEZ013-014-SDZ050-057>060-063>066-068>071-202115-
Plymouth-Woodbury-Dixon-Dakota-Gregory-Brule-Aurora-Davison-
Hanson-Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton-
Clay SD-Union-
406 PM CDT Wed Jul 19 2017

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

.DAY ONE...This Afternoon and Tonight

Heat index values between 100 and 110 degrees are possible into
this evening.

Isolated to scattered thunderstorms will be possible late this
afternoon and evening. A strong storm or two is possible, the
primary risks will be golf ball size hail and 70 mph winds.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Another hot and humid day is expected on Thursday. Heat index
values may approach 95 to 105 degrees.

Thunderstorms may form west and southwest of the area late
Thursday afternoon and begin to work eastward towards the outlook
area Thursday night. Scattered strong to severe storms clusters
may be possible with the primary risks of damaging winds and large
hail.

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 needed this evening.

$$

IAZ001>003-012>014-021-022-032-MNZ080-081-089-090-097-098-SDZ061-
062-067-202115-
Lyon IA-Osceola-Dickinson-Sioux-O`Brien-Clay IA-Cherokee-
Buena Vista-Ida-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-
McCook-Minnehaha-Lincoln SD-
406 PM CDT Wed Jul 19 2017

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

.DAY ONE...This Afternoon and Tonight

Isolated to scattered thunderstorms may move into the area during
the late evening to overnight hours. After daytime thunderstorms
moved through areas north of Interstate 90, the risk for
additional widespread severe storms has lessoned for tonight.
However a stronger storm capable of producing hail and localized
damaging winds could still be possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Heat index values may approach 95 to 102 degrees on Thursday.

Thunderstorms may form west and southwest of the area late
Thursday afternoon and begin to work eastward towards the outlook
area Thursday night. Scattered strong to severe storms clusters
may be possible with the primary risks of damaging winds and large
hail.

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 not anticipated.

$$

MNZ071-072-SDZ038>040-052>056-202115-
Lincoln MN-Lyon MN-Beadle-Kingsbury-Brookings-Jerauld-Sanborn-
Miner-Lake-Moody-
406 PM CDT Wed Jul 19 2017

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

.DAY ONE...This Afternoon and Tonight

Isolated to scattered thunderstorms may reform during the
overnight hours. After daytime thunderstorms moved through, the
risk for additional widespread severe storms has lessoned for
tonight. However a stronger storm capable of producing hail could
still be possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Heat index values may approach 95 degrees on Thursday.

Thunderstorms may form west and southwest of the area late
Thursday afternoon and begin to work eastward towards the outlook
area Thursday night. Scattered strong to severe storms clusters
may be possible with the primary risks of damaging winds and large
hail. Storms could hold off until very early Friday morning.

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 likely after 5 pm.

$$


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