Hazardous Weather Outlook
Issued by NWS Rapid City, SD

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FLUS43 KUNR 181135
HWOUNR

Hazardous Weather Outlook
National Weather Service Rapid City SD
429 AM MST Sun Feb 18 2018

SDZ024-028-029-WYZ054>058-191400-
Northern Black Hills-Central Black Hills-Southern Black Hills-
Northern Campbell-Southern Campbell-Western Crook-
Wyoming Black Hills-Weston-
429 AM MST Sun Feb 18 2018

This Hazardous Weather Outlook is for portions of the Black
Hills...and northeast Wyoming.

.DAY ONE...Today and Tonight

A winter storm warning is in effect late this morning through
Monday evening.

Snow will develop this morning and persist through tonight. The
snow will be heavy at times tonight. Wind chills will drop well
below zero tonight.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Snow will continue through Monday evening. Storm total snow
accumulations will be 5 to 10 inches - 8 to 14 inches for the
Black Hills. Wind chills will drop to around 25 below zero Monday
night. Some blowing and drifting snow is expected with visibilities
less than one half mile at times.

The result of this storm will be difficult travel and dangerously
cold wind chills through Monday night. Delaying or canceling
travel may be prudent.

Wind chills from 15 below to 30 below zero are expected Tuesday
night into Wednesday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$

SDZ012>014-025>027-030>032-041>044-072>074-WYZ071-191400-
Butte-Northern Meade Co Plains-Ziebach-Northern Foot Hills-
Rapid City-Southern Foot Hills-Custer Co Plains-
Pennington Co Plains-Haakon-Fall River-Oglala Lakota-Jackson-
Bennett-Sturgis/Piedmont Foot Hills-Southern Meade Co Plains-
Hermosa Foot Hills-Northeastern Crook-
429 AM MST Sun Feb 18 2018

This Hazardous Weather Outlook is for portions of northwestern
South Dakota...southwestern South Dakota...and northeast Wyoming.

.DAY ONE...Today and Tonight

A winter storm warning is in effect tonight through Monday
evening.

Snow will develop late this afternoon and persist through
tonight. The snow will be heavy at times tonight. Wind chills will
drop well below zero tonight.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Snow will continue through Monday evening, with heavy snow
at times Monday morning. Storm total snow accumulations will be 7
to 12 inches with locally higher amounts. Wind chills will drop to
around 25 below zero Monday night. Some blowing and drifting
snow is expected with visibilities less than one half mile at times.

The result of this storm will be difficult travel and dangerously
cold wind chills through Monday night. Delaying or canceling
travel may be prudent.

Wind chills from 15 below to 30 below zero are expected Tuesday
night into Wednesday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$

SDZ046-047-049-191400-
Mellette-Todd-Tripp-
529 AM CST Sun Feb 18 2018

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

.DAY ONE...Today and Tonight

A winter storm watch is in effect for tonight through Monday
night. Snow will develop later this evening and it may become
heavy at times late. Wind chills will drop to around 20 below zero
late.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Snow will fall Monday and Monday night, perhaps becoming heavy at
times. Storm total snow accumulation in excess of 6 inches is
possible. Wind chills will drop to 15 below to 25 below zero
Monday night. Wind chills will drop to 15 below to 30 below zero
Tuesday night into Wednesday morning.

The result of this storm could be difficult travel and will be
dangerously cold wind chills through Monday night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$

SDZ001-002-191400-
Harding-Perkins-
429 AM MST Sun Feb 18 2018

This Hazardous Weather Outlook is for portions of northwestern
South Dakota.

.DAY ONE...Today and Tonight

A winter weather advisory is in effect tonight through Monday
evening. Snow will intensify today and persist through tonight.
Wind chills will drop as low as 25 below zero tonight.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Snow will continue through Monday evening with storm total snow
accumulations from 3 to 6 inches. Wind chills will drop as low as 25
below zero by Monday night. Some blowing and drifting snow is
expected with visibilities less than one mile at times.

The result of this storm will be slippery roads and hazardous
travel.

Wind chills will drop to 20 below to 30 below zero Tuesday night
and Wednesday morning.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$



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