Hazardous Weather Outlook
Issued by NWS Rapid City, SD

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FLUS43 KUNR 121203
HWOUNR

Hazardous Weather Outlook
National Weather Service Rapid City SD
603 AM MDT Thu Apr 12 2018

WYZ054-055-058-131300-
Northern Campbell-Southern Campbell-Weston-
603 AM MDT Thu Apr 12 2018

This Hazardous Weather Outlook is for portions of northeast
Wyoming.

.DAY ONE...Today and Tonight

Isolated thunderstorms are possible this afternoon and early
evening. Severe thunderstorms are not expected.

A winter weather advisory is in effect for late tonight through
Friday afternoon. Rain will change to snow around or after
midnight. Light accumulations are expected by Friday morning.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Snow will continue on Friday, tapering off and ending late in the
day. Patchy blowing snow can also be expected during the day.
Snowfall accumulations of 2 to 5 inches are expected across much
of the area, highest amounts generally across northern Campbell
County.

.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

$$

SDZ001-002-012-024>029-041-072-074-WYZ056-057-071-131300-
Harding-Perkins-Butte-Northern Black Hills-Northern Foot Hills-
Rapid City-Southern Foot Hills-Central Black Hills-
Southern Black Hills-Fall River-Sturgis/Piedmont Foot Hills-
Hermosa Foot Hills-Western Crook-Wyoming Black Hills-
Northeastern Crook-
603 AM MDT Thu Apr 12 2018

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

.DAY ONE...Today and Tonight

Isolated thunderstorms are possible this afternoon and early
evening. Severe thunderstorms are not expected.

A winter storm warning is in effect from late tonight through
early Friday evening. Rain will change to snow around or after
midnight. Accumulations up to 3 inches are expected by early
Friday morning, highest amounts across northwest South Dakota and
the northern Black Hills.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Snow will continue on Friday, heavy at times. Winds gusting to 40
mph on the plains will produce blowing and drifting snow. Snow
will taper off late Friday and Friday evening. Total snowfall
accumulations of 5 to 10 inches are expected, with localized
amounts around a foot likely, especially over the northern Black
Hills and northern foothills.

.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

$$

SDZ013-014-030>032-042-043-073-131300-
Northern Meade Co Plains-Ziebach-Custer Co Plains-
Pennington Co Plains-Haakon-Oglala Lakota-Jackson-
Southern Meade Co Plains-
603 AM MDT Thu Apr 12 2018

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

.DAY ONE...Today and Tonight

Isolated thunderstorms are possible late today and this evening.
Severe thunderstorms are not expected.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

A blizzard warning is in effect for Friday and Friday night. Rain
will change to snow late tonight and early Friday, becoming heavy
at times during the day. Winds gusting to around 50 mph will
produce blowing and drifting snow, with near zero visibilities and
blizzard conditions at times through Friday evening. Snow will
taper off and end by late Friday night with winds decreasing as
well.

.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

$$

SDZ044-046-047-049-131300-
Bennett-Mellette-Todd-Tripp-
603 AM MDT Thu Apr 12 2018 /703 AM CDT Thu Apr 12 2018/

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

.DAY ONE...Today and Tonight

Isolated thunderstorms are possible this evening. Severe
thunderstorms are not expected.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

A winter storm watch is in effect for Friday and Friday night.
Rain will develop later tonight and change to snow Friday
morning. Snow could be heavy at times Friday afternoon into Friday
night. Winds gusting to around 50 mph would produce blowing and
drifting snow, with blizzard conditions possible. Snowfall and
wind are expected to taper off late Friday night or early
Saturday. Snowfall totals of around a foot or more are possible
across most of the area by Saturday 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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