Hazardous Weather Outlook
Issued by NWS Sioux Falls, SD

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771
FLUS43 KFSD 201001
HWOFSD

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
501 AM CDT Sun Aug 20 2017

IAZ012>014-020>022-031-032-NEZ013-014-SDZ071-211015-
Sioux-O`Brien-Clay IA-Plymouth-Cherokee-Buena Vista-Woodbury-Ida-
Dixon-Dakota-Union-
501 AM CDT Sun Aug 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

Scattered thunderstorms are expected to develop across the area
this evening, and continue through the overnight. Strong to severe
storms are possible, with hail to golf ball size as the primary
threat. Isolated wind gusts to 60 mph will also be possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Additional strong to severe storms will be possible during the
late afternoon and evening on Monday. These storms could produce
large hail and damaging winds. Locally heavy rain will also be
possible.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be possible between 8 pm and 2 am tonight.

$$

IAZ001>003-MNZ080-081-089-090-097-098-SDZ061-062-065>070-211015-
Lyon IA-Osceola-Dickinson-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-McCook-Minnehaha-Hutchinson-Turner-Lincoln SD-
Bon Homme-Yankton-Clay SD-
501 AM CDT Sun Aug 20 2017

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

.DAY ONE...Today and Tonight

Scattered thunderstorms are expected to develop across the area
by late evening, and continue through the overnight. Isolated
strong to severe storms are possible, with hail to golf ball size
as the primary threat.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Additional strong to severe storms will be possible during the
late afternoon and evening on Monday, with large hail again the
primary threat.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will be possible between 10 pm and 2 am tonight.

$$

MNZ071-072-SDZ038>040-050-052>060-063-064-211015-
Lincoln MN-Lyon MN-Beadle-Kingsbury-Brookings-Gregory-Jerauld-
Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-Charles Mix-
Douglas-
501 AM CDT Sun Aug 20 2017

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

.DAY ONE...Today and Tonight

Isolated thunderstorms may move through the Highway 14 corridor
into the early afternoon. These storms are not expected to be
severe. Additional isolated thunderstorms will be possible south
of Highway 14 tonight. The risk of severe weather with this
activity is also low.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

There is a chance of thunderstorms again during the late afternoon
and evening Monday. An isolated strong to severe storm may develop
south of Interstate 90 in south central South Dakota.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today and tonight.

$$



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