Hazardous Weather Outlook
Issued by NWS Sioux Falls, SD

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FLUS43 KFSD 201109
HWOFSD

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
509 AM CST Sat Jan 20 2018

SDZ050-052-053-057-058-063-064-211115-
Gregory-Jerauld-Sanborn-Brule-Aurora-Charles Mix-Douglas-
509 AM CST Sat Jan 20 2018

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

.DAY ONE...Today and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

A winter storm watch is in effect Sunday through Monday morning.
Accumulating snow along with 20 to 35 mph winds is expected to
occur on Sunday and Sunday night, with light snow probably
lingering into Monday morning. Currently, around 6 to 9 inches of
snow could occur, with localized amounts near 10 inches close to
the Nebraska border. The exact track of the system is still
uncertain, therefore stay tuned for refined snow amounts in future
forecasts as it could change. The timing of the system is
becoming certain however. With this kind of wind, expect reduced
visibilities in blowing snow, especially late Sunday and Sunday
night. Travel could become difficult.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

SDZ040-054>056-059>062-065>071-211115-
Brookings-Miner-Lake-Moody-Davison-Hanson-McCook-Minnehaha-
Hutchinson-Turner-Lincoln SD-Bon Homme-Yankton-Clay SD-Union-
509 AM CST Sat Jan 20 2018

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

.DAY ONE...Today and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

A winter storm watch is in effect from late Sunday afternoon
through Monday. Accumulating snow along with 25 to 40 mph winds
is expected to develop toward late Sunday, and lingering through
the day on Monday. Currently, around 6 to 10 inches of snow could
occur, with localized amounts near 11 inches. The exact track of
the system is still uncertain, therefore stay tuned for refined
snow amounts in future forecasts as it could change. The timing of
the system is becoming certain however. With this kind of wind,
expect greatly reduced visibilities in blowing snow. Travel could
become very difficult.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

IAZ001-012-MNZ071-072-080-097-098-211115-
Lyon IA-Sioux-Lincoln MN-Lyon MN-Murray-Pipestone-Rock-
509 AM CST Sat Jan 20 2018

This Hazardous Weather Outlook is for portions of northwest Iowa
and southwest Minnesota.

.DAY ONE...Today and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

A winter storm watch is in effect Sunday night, Monday and Monday
evening. Accumulating snow along with 25 to 40 mph winds is
expected to develop Sunday night, lingering through the day on
Monday and right into Monday evening. Currently, around 7 to 10
inches of snow could occur, with localized amounts near 11 inches.
The exact track of the system is still uncertain, therefore stay
tuned for refined snow amounts in future forecasts as it could
change. The timing of the system is becoming certain however. With
this kind of wind, expect greatly reduced visibilities in blowing
snow. Travel could become very difficult.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

IAZ022-032-211115-
Buena Vista-Ida-
509 AM CST Sat Jan 20 2018

This Hazardous Weather Outlook is for portions of northwest Iowa
and west central Iowa.

.DAY ONE...Today and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Light freezing drizzle is possible early Sunday, but little to no
accumulation is expected. If there are minor accumulations on
untreated surfaces, it will melt off by midday Sunday.

A storm system will then track into the area Sunday night and
Monday. The exact track of the storm is still rather uncertain,
but the timing is becoming certain. Therefore stay tuned for
refined snow and ice amounts in future forecasts as it could
change. This area could receive a glaze of freezing rain Sunday
night with amounts less than a tenth of an inch. This will be
followed by snowfall on Monday and Monday evening, with 2 to 4
inch amounts currently expected on average. In addition, it will
become windy, with north to northwest winds increasing to 25 to 40
mph on Monday which could produce blowing snow and reduced
visibilities, especially outside of city limits.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

SDZ038-039-211115-
Beadle-Kingsbury-
509 AM CST Sat Jan 20 2018

This Hazardous Weather Outlook is for portions of east central
South Dakota.

.DAY ONE...Today and Tonight

Light snow is expected to begin late tonight.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

A winter storm will move through the plains on Sunday and Monday.
Accumulating snow along with 20 to 35 mph winds is expected to
occur on Sunday and Sunday night, possibly lingering into Monday
morning. Currently, around 4 to 5 inches of snow could occur but
the exact track of the system is still uncertain. Therefore stay
tuned for refined snow amounts in future forecasts as it could
change. The timing of the system is becoming certain however.
With this kind of wind, expect reduced visibilities in blowing
snow, especially late Sunday and Sunday night. Travel could become
difficult.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

IAZ020-031-NEZ013-014-211115-
Plymouth-Woodbury-Dixon-Dakota-
509 AM CST Sat Jan 20 2018

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

.DAY ONE...Today and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Light freezing drizzle is possible early Sunday, but little to no
accumulation is expected. If there are minor accumulations on
untreated surfaces, it will melt off by midday Sunday.

A winter storm watch is then in effect from late Sunday afternoon
through Monday. Snowfall amounts may average 5 to 8 inches,
however the exact track of this system is still a bit uncertain.
Therefore stay tuned for refined snow amounts in future forecasts
as it could change. The timing of the system is becoming certain
however. In addition, it currently appears that the southeast
portions of Plymouth county, and the eastern sections of Woodbury
county will receive less than 5 inches of snow. It will become
windy Sunday night and last through the entire day on Monday, with
north to northwest winds of 25 to 40 mph. This will create
widespread blowing snow and greatly reduced visibilities,
especially outside of city limits. Travel could become difficult.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

IAZ002-003-013-014-021-MNZ081-089-090-211115-
Osceola-Dickinson-O`Brien-Clay IA-Cherokee-Cottonwood-Nobles-
Jackson-
509 AM CST Sat Jan 20 2018

This Hazardous Weather Outlook is for portions of northwest Iowa
and southwest Minnesota.

.DAY ONE...Today and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

A winter storm watch is in effect Sunday night through Monday
evening. Snow is expected to develop, with snowfall amounts
currently expected to average 6 to 10 inches. Localized amounts of
more than 10 inches could occur near Interstate 90 in southwest
Minnesota. The exact track of the system is still uncertain,
therefore stay tuned for refined snow amounts in future forecasts
as the could change. The timing of the system is becoming certain
however. In addition to snowfall, north to northwest winds will
become 25 to 40 mph later Sunday night and Monday which could
produce blowing snow with greatly reduced visibilities, especially
outside of city limits. Travel could become very difficult.
Finally on Sunday night, a light wintry mix could occur at times
producing a light glaze of freezing rain.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$



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