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Winter Weather Advisory


URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
232 AM MDT Sun Apr 18 2021

...MODERATE TO HEAVY SNOW TONIGHT INTO MONDAY MORNING...

.A strong cold front will move through the region today, with
snow developing behind the front this evening. A period of
moderate to heavy snow is expected tonight into Monday morning,
with accumulations over 6 inches in the northern and central
Black Hills and lesser amounts on the plains.

SDZ012-WYZ054-056-071-190000-
/O.NEW.KUNR.WW.Y.0010.210419T0100Z-210419T1500Z/
Butte-Northern Campbell-Western Crook-Northeastern Crook-
Including Moorcroft and Colony
232 AM MDT Sun Apr 18 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
9 AM MDT MONDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4
  inches.

* WHERE...In Wyoming, Northern Campbell County, Western Crook
  County and Northeastern Crook County. In South Dakota, Butte
  County.

* WHEN...From 7 PM this evening to 9 AM MDT Monday.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

Road conditions are available on your smartphone from the
5 1 1 app for your state.

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Billings MT
208 AM MDT Sun Apr 18 2021

MTZ029>031-036-037-173-190815-
/O.CON.KBYZ.WW.Y.0019.210418T2100Z-210419T1800Z/
Musselshell-Treasure-Northern Rosebud-Powder River-Carter-
Northeastern Yellowstone-
Including the locations of Roundup, Biddle, Colstrip, Ridgeway,
Custer, Broadus, Melstone, Ekalaka, Hysham, Forsyth, Pompeys
Pillar, and Alzada
208 AM MDT Sun Apr 18 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO NOON MDT MONDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 3 inches.
  Winds gusting as high as 30 mph.

* WHERE...Portions of central, south central, and southeast Montana.

* WHEN...From 3 PM this afternoon to Noon MDT Monday.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the Monday morning commute. Roads, and
  especially bridges and overpasses, will likely become slick and
  hazardous.

* ADDITIONAL DETAILS...Slow down and use caution while driving.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For the latest road conditions, call 5 1 1.



&&

$$


Lake Wind Advisory


URGENT - WEATHER MESSAGE
National Weather Service Glasgow MT
327 AM MDT Sun Apr 18 2021

MTZ016-017-021>023-190300-
/O.NEW.KGGW.LW.Y.0004.210418T1500Z-210419T0300Z/
Central and Southeast Phillips-Central and Southern Valley-
Petroleum-Garfield-McCone-
Including the city of Fort Peck
327 AM MDT Sun Apr 18 2021

...LAKE WIND ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 9 PM
MDT THIS EVENING FOR FORT PECK LAKE...

* WHAT...Northeast winds 15 to 25 mph with gusts up to 30 mph
  expected.

* WHERE...Fort Peck Lake.

* WHEN...From 9 AM this morning to 9 PM MDT this evening.

* IMPACTS...Strong winds and rough waves on area lakes will create
  hazardous conditions for small craft. A mix of rain and snow
  over the lake today will create poor visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Boaters on area lakes should use extra caution since strong winds
and rough waves can overturn small craft.

&&

$$


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Bismarck ND
913 AM CDT Sun Apr 18 2021

NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-191415-
Divide-Burke-Renville-Bottineau-Rolette-Williams-Mountrail-Ward-
McHenry-Pierce-McKenzie-Dunn-Mercer-Oliver-McLean-Sheridan-Wells-
Foster-Golden Valley-Billings-Stark-Morton-Burleigh-Kidder-
Stutsman-Slope-Hettinger-Grant-Bowman-Adams-Sioux-Emmons-Logan-
La Moure-McIntosh-Dickey-
913 AM CDT Sun Apr 18 2021 /813 AM MDT Sun Apr 18 2021/

This Hazardous Weather Outlook is for portions of north central
North Dakota, northwest North Dakota, south central North Dakota,
southeast North Dakota, and southwest North Dakota.

.DAY ONE...Today and Tonight

Cold front to move from north to south today bringing northerly
wind gusts around 35 mph, along with widespread rain showers.
Some snow may mix in at times this morning, mainly across the
north.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
454 AM MDT Sun Apr 18 2021

SDZ012-026-027-029>031-041>044-073-074-WYZ054>056-058-071-191300-
Butte-Rapid City-Southern Foot Hills-Southern Black Hills-
Custer Co Plains-Pennington Co Plains-Fall River-Oglala Lakota-
Jackson-Bennett-Southern Meade Co Plains-Hermosa Foot Hills-
Northern Campbell-Southern Campbell-Western Crook-Weston-
Northeastern Crook-
454 AM MDT Sun Apr 18 2021

This Hazardous Weather Outlook is for portions of western South
Dakota and northeastern Wyoming.

.DAY ONE...Today and Tonight

Accumulating snow of 2 to 5 inches is expected to begin late this
evening, with deteriorating travel conditions anticipated
overnight. Locally higher snowfall amounts are possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Snow should taper off Monday morning, with lingering light snow
showers through Tuesday. A gradual improvement of travel
conditions is expected Monday.

.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

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
454 AM MDT Sun Apr 18 2021

SDZ001-002-013-014-032-046-047-049-191300-
Harding-Perkins-Northern Meade Co Plains-Ziebach-Haakon-Mellette-
Todd-Tripp-
454 AM MDT Sun Apr 18 2021 /554 AM CDT Sun Apr 18 2021/

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

.DAY ONE...Today and Tonight

Minor snow accumulations up to an inch or two are possible
tonight. Little to no impacts are anticipated.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

No hazardous weather is expected at this time.

.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

$$

Hazardous Weather Outlook
National Weather Service Grand Forks ND
409 AM CDT Sun Apr 18 2021

MNZ004>009-NDZ006>008-015-016-054-190915-
Kittson-Roseau-Lake Of The Woods-West Marshall-East Marshall-
North Beltrami-Towner-Cavalier-Pembina-Ramsey-Eastern Walsh-
Western Walsh-
409 AM CDT Sun Apr 18 2021

This hazardous weather outlook is for portions of eastern North
Dakota and northwest Minnesota.

.DAY ONE...Today and Tonight

A cold front will bring winds exceeding 35 mph and some snow
showers, which could reduce visibilities for a short period this
morning. This may briefly present hazardous travel conditions
through reduced visibility for locations near the international
border.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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