Hazardous Weather Outlook
Issued by NWS Sioux Falls, SD

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FLUS43 KFSD 180238
HWOFSD

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
938 PM CDT Thu May 17 2018

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ040-055-056-061-062-066-067-069>071-190245-
Lyon IA-Osceola-Dickinson-Sioux-O`Brien-Clay IA-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln MN-Lyon MN-Murray-Cottonwood-
Nobles-Jackson-Pipestone-Rock-Dixon-Dakota-Brookings-Lake-Moody-
McCook-Minnehaha-Turner-Lincoln SD-Yankton-Clay SD-Union-
938 PM CDT Thu May 17 2018

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

.DAY ONE...Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Diminishing thunderstorms may reach the outlook area Friday
morning.

Thunderstorm chances will increase again Friday afternoon and
Friday night as a front approaches the area.  While the overall
risk of severe storms is low, there will be a risk for locally
heavy rainfall due to the slow moving nature of the expected
storms.

Thunderstorm chances continue into Sunday. While the risk of
severe storms is low, locally heavy rainfall could be possible
leading to increased risks of renewed river flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

SDZ038-039-050-052>054-057>060-063>065-068-190245-
Beadle-Kingsbury-Gregory-Jerauld-Sanborn-Miner-Brule-Aurora-
Davison-Hanson-Charles Mix-Douglas-Hutchinson-Bon Homme-
938 PM CDT Thu May 17 2018

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

.DAY ONE...Tonight

A weakening line of thunderstorms will move through around
midnight through the early morning hours Friday. Strong wind
gusts 40 to 50 mph are possible as storms pass, with perhaps a
few damaging wind gusts to 60 mph. A few locations could also see
heavy rain, as storms are slow moving.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Redevelopment of thunderstorms will again be possible Friday
afternoon and evening. A few strong storms will be possible and
will bring the risk of damaging winds, marginally severe hail, and
locally heavy rainfall into Friday evening. Thunderstorms will
likely continue into Saturday morning as a front arrives, with a
lingering risk of excessive rainfall.

The risk of thunderstorms continues Saturday and Saturday night
before decreasing on Sunday. While severe weather chances will be
low, there will be an increased risk for excessive rainfall which
could lead to minor flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$



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