Blizzard Warning 6, NWS Great Falls, MT

152 
WWUS45 KTFX 301734
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
1034 AM MST Sat Nov 30 2019

MTZ011>013-047-050-051-054-055-301845-
/O.EXP.KTFX.WS.W.0016.000000T0000Z-191130T1800Z/
Hill-Cascade-Chouteau-Blaine-Judith Basin-Fergus-Meagher-Gallatin-
Including Havre, Rocky Boy, Rudyard, Great Falls, Cascade, Belt, 
Kings Hill Pass, Fort Benton, Carter, Big Sandy, Chinook, Harlem,
Hays, Raynesford, Stanford, Hobson, Lewistown, Winifred, 
Lewistown Divide, Grass Range, Martinsdale, 
White Sulphur Springs, Bozeman, West Yellowstone, 
Battle Ridge Pass, Bozeman Pass, and Targhee Pass
1034 AM MST Sat Nov 30 2019

...WINTER STORM WARNING WILL EXPIRE AT 11 AM MST THIS MORNING...

Though the warning will expire at 11 am this morning, significant
impacts remain with snow-covered roads across the region. 

$$

MTZ008-015-052-053-301845-
/O.EXP.KTFX.WW.Y.0050.000000T0000Z-191130T1800Z/
Beaverhead-Madison-Jefferson-Broadwater-
Including Big Hole Pass, Wisdom, Dillon, Chief Joseph Pass, 
Monida Pass, Wise River, Ennis, Norris Hill, Raynolds Pass, 
Twin Bridges, Virginia City, Montana City, Boulder, Boulder Hill,
Elk Park Pass, Homestake Pass, Whitehall, Toston, Townsend, 
and Winston
1034 AM MST Sat Nov 30 2019

...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM MST THIS
MORNING...

Though the advisory will expire at 11 am this morning, 
significant impacts remain with snow-covered roads across the 
region. 


$$

MTZ009-010545-
/O.CON.KTFX.BZ.W.0006.191201T0400Z-191203T1300Z/
Northern Rocky Mountain Front-
Including Logan Pass, Marias Pass, Browning, and Heart Butte
1034 AM MST Sat Nov 30 2019

...BLIZZARD WARNING IN EFFECT FROM 9 PM THIS EVENING TO 6 AM MST
TUESDAY...

* WHAT...Blizzard conditions expected. Winds gusting as high as 60
  mph which are expected to cause a widespread ground blizzard.

* WHERE...Northern Rocky Mountain Front.

* WHEN...From 9 PM this evening to 6 AM MST Tuesday.

* IMPACTS...Areas of blowing snow could significantly reduce 
  visibility. Strong winds could cause tree damage.

* ADDITIONAL DETAILS...Impacts from this expected ground blizzard
  include significant roadway obstruction, near-zero visibility at
  times, limited access to livestock, significant disruption to
  everyday tasks and routines. Some residents may be stuck in
  their homes for at least a day, and possibly longer. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Travel should be restricted to emergencies only. If you must
travel, have a winter survival kit with you. If you get stranded,
stay with your vehicle. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1. 

To see a graphical representation of the degree of stress on
young livestock please visit our webpage and select Local
Programs then Cold Air Advisory for Newborn Livestock.

&&

$$

MTZ010-048-010545-
/O.CON.KTFX.WS.A.0017.191202T0100Z-191203T1300Z/
Eastern Glacier-Southern Rocky Mountain Front-
Including Cut Bank, Bynum, Choteau, and Augusta
1034 AM MST Sat Nov 30 2019

...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH LATE
MONDAY NIGHT...

* WHAT...Blizzard conditions possible. Winds could gust as high as
  60 mph and cause widespread ground blizzard conditions.
  Regardless of if blizzard conditions occur, significant blowing
  and drifting snow is likely to occur and cause significant 
  impacts to visibility and travel.

* WHERE...Eastern Glacier and Southern Rocky Mountain Front.

* WHEN...From Sunday evening through late Monday night.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. Strong winds could 
  cause tree damage.

* ADDITIONAL DETAILS...Impacts from this potential ground blizzard
  include significant roadway obstruction, near-zero visibility at
  times, limited access to livestock, significant disruption to
  everyday tasks and routines. 

&&

$$

http://www.weather.gov/greatfalls

558 
WWUS45 KTFX 302123
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
223 PM MST Sat Nov 30 2019

MTZ009-010930-
/O.CON.KTFX.BZ.W.0006.191201T0400Z-191203T1300Z/
Northern Rocky Mountain Front-
Including Logan Pass, Marias Pass, Browning, and Heart Butte
223 PM MST Sat Nov 30 2019

...BLIZZARD WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
6 AM MST TUESDAY...

* WHAT...Blizzard conditions expected. Winds gusting as high as 60
  mph which are expected to cause a widespread ground blizzard.

* WHERE...Northern Rocky Mountain Front.

* WHEN...From 9 PM this evening to 6 AM MST Tuesday.

* IMPACTS...Widespread blowing snow could significantly reduce
  visibility. Strong winds could cause tree damage.

* ADDITIONAL DETAILS...Impacts from this expected ground blizzard
  include significant roadway obstruction, near-zero visibility at
  times, limited access to livestock, significant disruption to
  everyday tasks and routines. Some residents may be stuck in
  their homes for at least a day, and possibly longer.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Travel should be restricted to emergencies only. If you must
travel, have a winter survival kit with you. If you get stranded,
stay with your vehicle. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1. 

To see a graphical representation of the degree of stress on
young livestock please visit our webpage and select Local
Programs then Cold Air Advisory for Newborn Livestock.

&&

$$

MTZ010-048-010930-
/O.CON.KTFX.WS.A.0017.191202T0100Z-191203T1300Z/
Eastern Glacier-Southern Rocky Mountain Front-
Including Cut Bank, Bynum, Choteau, and Augusta
223 PM MST Sat Nov 30 2019

...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING
THROUGH LATE MONDAY NIGHT...

* WHAT...Blizzard conditions possible. Winds could gust as high as
  60 mph and cause widespread ground blizzard conditions.
  Regardless of if blizzard conditions occur, significant blowing
  and drifting snow is likely to occur and cause significant
  impacts to visibility and travel.

* WHERE...Eastern Glacier and Southern Rocky Mountain Front.

* WHEN...From Sunday evening through late Monday night.

* IMPACTS...Plan on slippery road conditions. Patchy blowing snow
  could significantly reduce visibility. Strong winds could cause
  tree damage.

* ADDITIONAL DETAILS...Impacts from this potential ground blizzard
  include significant roadway obstruction, near-zero visibility at
  times, limited access to livestock, significant disruption to
  everyday tasks and routines.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

http://www.weather.gov/greatfalls

951 
WWUS45 KTFX 010043
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
543 PM MST Sat Nov 30 2019

MTZ009-011300-
/O.CON.KTFX.BZ.W.0006.191201T0400Z-191203T1300Z/
Northern Rocky Mountain Front-
Including Logan Pass, Marias Pass, Browning, and Heart Butte
543 PM MST Sat Nov 30 2019

...BLIZZARD WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
6 AM MST TUESDAY...

* WHAT...Blizzard conditions expected. Winds gusting as high as 
  60 mph which are expected to cause a widespread ground 
  blizzard.

* WHERE...Northern Rocky Mountain Front.

* WHEN...From 9 PM this evening to 6 AM MST Tuesday.

* IMPACTS...Widespread blowing snow could significantly reduce 
  visibility. Strong winds could cause tree damage.

* ADDITIONAL DETAILS...Impacts from this expected ground 
  blizzard include significant roadway obstruction, near-zero 
  visibility at times, limited access to livestock, significant 
  disruption to everyday tasks and routines. Some residents may 
  be stuck in their homes for at least a day, and possibly 
  longer.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Travel should be restricted to emergencies only. If you must
travel, have a winter survival kit with you. If you get stranded,
stay with your vehicle.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

To see a graphical representation of the degree of stress on
young livestock please visit our webpage and select Local
Programs then Cold Air Advisory for Newborn Livestock.

&&

$$

MTZ010-048-011300-
/O.CON.KTFX.WS.A.0017.191202T0100Z-191203T1300Z/
Eastern Glacier-Southern Rocky Mountain Front-
Including Cut Bank, Bynum, Choteau, and Augusta
543 PM MST Sat Nov 30 2019

...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING
THROUGH LATE MONDAY NIGHT...

* WHAT...Blizzard conditions possible. Winds could gust as high 
  as 60 mph and cause widespread ground blizzard conditions. 
  Regardless of if blizzard conditions occur, significant 
  blowing and drifting snow is likely to occur and cause 
  significant impacts to visibility and travel.

* WHERE...Eastern Glacier and Southern Rocky Mountain Front.

* WHEN...From Sunday evening through late Monday night.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility. Strong winds could 
  cause tree damage.

* ADDITIONAL DETAILS...Impacts from this potential ground 
  blizzard include significant roadway obstruction, near-zero 
  visibility at times, limited access to livestock, significant 
  disruption to everyday tasks and routines.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

http://www.weather.gov/greatfalls

490 
WWUS45 KTFX 011038
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
338 AM MST Sun Dec 1 2019


MTZ009-012200-
/O.CON.KTFX.BZ.W.0006.000000T0000Z-191203T1300Z/
Northern Rocky Mountain Front-
Including Logan Pass, Marias Pass, Browning, and Heart Butte
338 AM MST Sun Dec 1 2019

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MST TUESDAY...

* WHAT...Blizzard conditions occurring. Winds gusting as high as
  60 mph are expected to cause ground blizzard conditions in
  significant blowing and drifting snow with visibility less than
  one quarter mile at times.

* WHERE...Northern Rocky Mountain Front.

* WHEN...Until 6 AM MST Tuesday.

* IMPACTS...Travel may be extremely difficult or impossible due to
  near zero visibility at times and potential for blocked roadways
  from drifting snow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Travel should be restricted to emergencies only. If you must
travel, have a winter survival kit with you. If you get stranded,
stay with your vehicle. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1. 

To see a graphical representation of the degree of stress on
young livestock please visit our webpage and select Local
Programs then Cold Air Advisory for Newborn Livestock.

&&

$$

MTZ010-048-012200-
/O.UPG.KTFX.WS.A.0017.191202T0100Z-191203T1300Z/
/O.NEW.KTFX.WW.Y.0051.191201T1038Z-191203T1300Z/
Eastern Glacier-Southern Rocky Mountain Front-
Including Cut Bank, Bynum, Choteau, and Augusta
338 AM MST Sun Dec 1 2019

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MST TUESDAY...

* WHAT...Blowing Snow and drifting snow. Winds gusting as high as
  45 mph will cause significant blowing and drifting snow with 
  visibility locally less than one half mile at times

* WHERE...Eastern Glacier and Southern Rocky Mountain Front.

* WHEN...Until 6 AM MST Tuesday.

* IMPACTS...Widespread blowing and drifting snow could create
  difficult travel conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1. 

To see a graphical representation of the degree of stress on
young livestock please visit our webpage and select Local
Programs then Cold Air Advisory for Newborn Livestock.

&&

$$

MTZ012-046-049-050-012200-
/O.NEW.KTFX.WW.Y.0051.191201T1038Z-191202T1100Z/
Cascade-Eastern Pondera-Eastern Teton-Judith Basin-
Including Great Falls, Cascade, Belt, Kings Hill Pass, Brady, 
Conrad, Fairfield, Dutton, Raynesford, Stanford, and Hobson
338 AM MST Sun Dec 1 2019

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM MST MONDAY...

* WHAT...Blowing snow and drifting snow. Winds gusting as high as
  35 mph.

* WHERE...Cascade, Eastern Pondera, Eastern Teton and Judith 
  Basin.

* WHEN...Until 4 AM MST Monday.

* IMPACTS...Areas of blowing and drifting snow could create
  difficult travel conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling, especially in open areas. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1. 

To see a graphical representation of the degree of stress on
young livestock please visit our webpage and select Local
Programs then Cold Air Advisory for Newborn Livestock.

&&

$$

http://www.weather.gov/greatfalls

598 
WWUS45 KTFX 012018
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
118 PM MST Sun Dec 1 2019

MTZ009-021300-
/O.CON.KTFX.BZ.W.0006.000000T0000Z-191203T1300Z/
Northern Rocky Mountain Front-
Including Logan Pass, Marias Pass, Browning, and Heart Butte
118 PM MST Sun Dec 1 2019

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MST TUESDAY...

* WHAT...Blizzard conditions occurring. Winds gusting as high as
  70 mph, especially Sunday night into Monday morning, are 
  expected to cause ground blizzard conditions in significant 
  blowing and drifting snow with visibility less than one quarter 
  mile at times.

* WHERE...Northern Rocky Mountain Front.

* WHEN...Until 6 AM MST Tuesday.

* IMPACTS...Travel may be extremely difficult or impossible due 
  to near zero visibility at times and potential for blocked 
  roadways from drifting snow.

* ADDITIONAL DETAILS...The strongest winds and worst conditions
  are expected Sunday night through Monday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Travel should be restricted to emergencies only. If you must
travel, have a winter survival kit with you. If you get stranded,
stay with your vehicle.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

To see a graphical representation of the degree of stress on
young livestock please visit our webpage and select Local
Programs then Cold Air Advisory for Newborn Livestock.

&&

$$

MTZ012-046-049-050-021100-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-191202T1100Z/
Cascade-Eastern Pondera-Eastern Teton-Judith Basin-
Including Great Falls, Cascade, Belt, Kings Hill Pass, Brady, 
Conrad, Fairfield, Dutton, Raynesford, Stanford, and Hobson
118 PM MST Sun Dec 1 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM MST
MONDAY...

* WHAT...Blowing snow and drifting snow. Winds gusting as high 
  as 35 mph.

* WHERE...Cascade, Eastern Pondera, Eastern Teton and Judith 
  Basin.

* WHEN...Until 4 AM MST Monday.

* IMPACTS...Areas of blowing and drifting snow could create 
  difficult travel conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling, especially in open areas.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

To see a graphical representation of the degree of stress on
young livestock please visit our webpage and select Local
Programs then Cold Air Advisory for Newborn Livestock.

&&

$$

MTZ010-048-021300-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-191203T1300Z/
Eastern Glacier-Southern Rocky Mountain Front-
Including Cut Bank, Bynum, Choteau, and Augusta
118 PM MST Sun Dec 1 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MST
TUESDAY...

* WHAT...Blowing Snow and drifting snow. Winds gusting as high 
  as 45 mph will cause significant blowing and drifting snow 
  with visibility locally less than one half mile at times.

* WHERE...Eastern Glacier and Southern Rocky Mountain Front.

* WHEN...Until 6 AM MST Tuesday.

* IMPACTS...Widespread blowing and drifting snow could create 
  difficult travel conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

To see a graphical representation of the degree of stress on
young livestock please visit our webpage and select Local
Programs then Cold Air Advisory for Newborn Livestock.

&&

$$

http://www.weather.gov/greatfalls

878 
WWUS45 KTFX 020948
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
248 AM MST Mon Dec 2 2019

MTZ012-046-049-050-021100-
/O.CAN.KTFX.WW.Y.0051.000000T0000Z-191202T1100Z/
Cascade-Eastern Pondera-Eastern Teton-Judith Basin-
248 AM MST Mon Dec 2 2019

...WINTER WEATHER ADVISORY IS CANCELLED...

Gusty southwest winds continue today and drifting of snow across
some roadways will continue in exposed areas. However, widespread 
blowing snow and reduced visibility are no longer expected as 
temperatures have warmed to near above freezing in most areas. 
Therefore, the winter weather advisory for blowing snow has been 
allowed to expire. 

$$

MTZ009-022200-
/O.CON.KTFX.BZ.W.0006.000000T0000Z-191203T1300Z/
Northern Rocky Mountain Front-
Including Logan Pass, Marias Pass, Browning, and Heart Butte
248 AM MST Mon Dec 2 2019

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MST TUESDAY...

* WHAT...Blizzard conditions occurring. Winds gusting as high as
  60 mph will cause significant blowing and drifting of snow and
  localized ground blizzard conditions with near zero visibility
  at times.

* WHERE...Northern Rocky Mountain Front.

* WHEN...Until 6 AM MST Tuesday.

* IMPACTS...Travel may be extremely difficult or impossible due 
  to near zero visibility at times and potential for blocked 
  roadways from drifting snow.

* ADDITIONAL DETAILS...The strongest winds and worst conditions
  are expected through this morning with some improvement likely
  later today and tonight as temperatures warm above freezing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Travel should be restricted to emergencies only. If you must
travel, have a winter survival kit with you. If you get stranded,
stay with your vehicle.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

To see a graphical representation of the degree of stress on
young livestock please visit our webpage and select Local
Programs then Cold Air Advisory for Newborn Livestock.

&&

$$

MTZ010-048-022200-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-191203T1300Z/
Eastern Glacier-Southern Rocky Mountain Front-
Including Cut Bank, Bynum, Choteau, and Augusta
248 AM MST Mon Dec 2 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MST
TUESDAY...

* WHAT...Blowing and Drifting Snow occurring. Winds gusting as 
  high as 55 mph will cause significant blowing and drifting of 
  snow and localized visibility less than one mile at times.

* WHERE...Southern Rocky Mountain Front and Eastern Glacier.

* WHEN...Until 6 AM MST Tuesday.

* IMPACTS...Widespread blowing and drifting snow could create 
  difficult travel conditions.

* ADDITIONAL DETAILS...The strongest winds and worst conditions
  are expected through this morning with some improvement likely
  later today and tonight as temperatures warm above freezing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

To see a graphical representation of the degree of stress on
young livestock please visit our webpage and select Local
Programs then Cold Air Advisory for Newborn Livestock.

&&

$$

http://www.weather.gov/greatfalls

982 
WWUS45 KTFX 022012
WSWTFX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Great Falls MT
112 PM MST Mon Dec 2 2019

MTZ009-031300-
/O.CAN.KTFX.BZ.W.0006.000000T0000Z-191203T1300Z/
/O.EXA.KTFX.WW.Y.0051.000000T0000Z-191203T1300Z/
Northern Rocky Mountain Front-
Including Logan Pass, Marias Pass, Browning, and Heart Butte
112 PM MST Mon Dec 2 2019

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MST TUESDAY...
...BLIZZARD WARNING IS CANCELLED...

* WHAT...Blowing and drifting snow occurring. Winds gusting as 
  high as 70 mph.

* WHERE...Northern Rocky Mountain Front.

* WHEN...Until 6 AM MST Tuesday.

* IMPACTS...Widespread blowing and drifting snow could create 
  difficult travel conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1. 

To see a graphical representation of the degree of stress on
young livestock please visit our webpage and select Local
Programs then Cold Air Advisory for Newborn Livestock.

&&

$$

MTZ010-048-031300-
/O.CON.KTFX.WW.Y.0051.000000T0000Z-191203T1300Z/
Eastern Glacier-Southern Rocky Mountain Front-
Including Cut Bank, Bynum, Choteau, and Augusta
112 PM MST Mon Dec 2 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MST
TUESDAY...

* WHAT...Blowing and drifting snow occurring. Winds gusting as 
  high as 55 mph will cause significant blowing and drifting of 
  snow and localized visibility less than one mile at times.

* WHERE...Southern Rocky Mountain Front and Eastern Glacier.

* WHEN...Until 6 AM MST Tuesday.

* IMPACTS...Widespread blowing and drifting snow could create 
  difficult travel conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

To see a graphical representation of the degree of stress on
young livestock please visit our webpage and select Local
Programs then Cold Air Advisory for Newborn Livestock.

&&

$$

http://www.weather.gov/greatfalls

Area Forecast Discussion
National Weather Service Great Falls MT
445 AM MST Sat Nov 30 2019

...UPDATED AVIATION SECTION...

.SYNOPSIS...

Light snow over the region will diminish from the west this
morning, and skies should become partly cloudy during the
afternoon. However, this could cause patchy fog to form
overnight. Temperatures will remain well below normal, but a
slight increasing in westerly winds on Sunday should help warm
temperatures closer to normal. Breezy winds Monday into Tuesday
will help keep the area dry, as temperatures warm to above
normal, but these increasing winds could cause areas of blowing
snow.

&&

.DISCUSSION...

Today through Sunday...

The low pressure system responsible for the snow the last couple
of days is over the central Great Plains as of early this morning.
It seems to be taking more of an easterly track than previously
expected, which is likely why the snow is decreasing a bit quicker
than previously expected. The snow is still fairly widespread
across North Central and Southwest Montana, but the heavy snow is
currently limited to the Little Belt Mountains and east into the
Lewistown area. The snow should continue decreasing throughout the
morning, yielding mostly an additional inch or two. Will therefore
continue the Winter Warnings and Advisories as is through the
morning and possibly cancel areas early where the snow ends.
Otherwise, weak high pressure aloft gradually builds into the
forecast area this afternoon, tonight, and into Sunday between the
Great Plains system and a low pressure area along the Pacific
Northwest coast. This will help bring clearing skies to the area
during this time, which should cause at least patchy fog to
develop overnight in the southwest valleys and over the eastern
plains (including the Havre and Lewistown areas). Light to breezy
westerly surface winds will develop over the east slopes of the
Rockies throughout the weekend, which will hinder fog development
there, but it may be enough wind close to the Rocky Mountain Front
to cause areas of blowing snow. The cold airmass will remain in
place through tonight, keeping temperatures 15 to 20 degrees below
normal, but the clearing skies and wind development should help
warm temperatures closer to normal for Sunday.  Coulston

Sunday Night through next Saturday...

A weakening shortwave disturbance in westerly flow aloft moves
across the region Sunday night through Monday morning, bringing a
chance of mainly mountain snow showers. More importantly, winds
aloft and surface pressure gradient across the Rockies look to
peak Monday morning with the passage of this system and gusts to
over 50 mph are a possibility along the Rocky Mtn Front and areas
immediately east with gusts to 30-40 mph further east across the
plains of north-central MT. Windy, but mainly dry conditions
persist through Wednesday, keeping temperatures somewhat above
seasonal averages for early December. Greatest temperature
departures from average will be across north-central MT with
daytime temperatures potentially warming well into the 40s
if/where snow can be melted/scoured by winds. Warming will be
more subdued across SW MT valleys where winds will be lighter. A
weather disturbance moving along the US/Canadian border late
Wednesday and Thursday looks to push a relatively weak Canadian
cold front through the area, cooling temperatures some as well as
bringing a chance for some light snow showers. Temperatures look
to rebound fairly quickly however as ridging rebuilds Friday and
Saturday ahead of the next more organized upper level through
moving onto the west coast next weekend. Hoenisch

&&

.AVIATION...
Updated 445 AM MST Sat Nov 30 2019 (30/12Z TAF Period)

The winter storm over the region will continue to move east out of
the area through 17Z, causing the widespread low MVFR/IFR conditions
with mountain obscuration in snow, fog, and low clouds to decrease
from the west. Weak high pressure will start to build into the area
after 17Z, causing conditions to improve to mostly VFR as skies
gradually clear through 00Z. Although the clearing skies will likely
cause patchy mainly valley fog to develop after 03Z, confidence in
exact locations and density of this fog is low, so will keep mention
out of the TAFs at this time.  Coulston

&&

.PRELIMINARY POINT TEMPS/POPS...
GTF  18   9  32  25 /  70   0   0  10
CTB  17   8  32  24 /  30   0   0  10
HLN  20   4  30  16 /  60   0   0  10
BZN  21   1  31  15 /  70   0   0  10
WEY  20  -2  26  11 /  60  10   0  20
DLN  22   3  28  16 /  60   0  10  10
HVR  19   3  27  17 /  80  10   0  10
LWT  17   3  34  23 /  90  10   0  10

&&

.TFX WATCHES/WARNINGS/ADVISORIES...
Winter Weather Advisory until 11 AM MST this morning Central and
Southern Lewis and Clark...Eastern Glacier...Eastern Pondera...
Eastern Teton...Liberty...Northern Rocky Mountain Front...
Southern Rocky Mountain Front...Toole.

Winter Weather Advisory until 11 AM MST this morning
Beaverhead...Broadwater...Jefferson...Madison.

Winter Storm Warning until 11 AM MST this morning Blaine...
Cascade...Chouteau...Fergus...Gallatin...Hill...Judith Basin...
Meagher.

&&

http://www.weather.gov/greatfalls

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
817 AM MST SAT NOV 30 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     SNOW             CHOTEAU                 47.81N 112.19W
11/30/2019  M7.0 INCH        TETON              MT   TRAINED SPOTTER

            7 INCHES NEW SNOW LAST 24 HOURS. WITH
            PREVIOUS STORM NOV 27-28, SETTLED SNOW DEPTH
            IS ABOUT 8 INCHES. COMBINED THREE-DAY TOTAL
            IS ABOUT 15 INCHES.

&&

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
820 AM MST SAT NOV 30 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0818 AM     SNOW             HOBSON                  47.00N 109.87W
11/30/2019  E12.0 INCH       JUDITH BASIN       MT   TRAINED SPOTTER

            SETTLED SNOW DEPTH IS ABOUT A FOOT, THREE
            DAY TOTAL SNOW.

&&

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
823 AM MST SAT NOV 30 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0800 AM     SNOW             11 SSE ULM              47.28N 111.43W
11/30/2019  M5.0 INCH        CASCADE            MT   TRAINED SPOTTER

            5 INCHES NEW SNOW FRIDAY AND OVERNIGHT.

&&

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
826 AM MST SAT NOV 30 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0600 AM     SNOW             3 WNW BIG SKY           45.29N 111.39W
11/30/2019  M3.0 INCH        MADISON            MT   TRAINED SPOTTER

            3 INCHES NEW SNOW OVERNIGHT. SNOW CONTINUES.

&&

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
834 AM MST SAT NOV 30 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0440 AM     SNOW             CHURCH HILL             45.75N 111.31W
11/30/2019  E3.0 INCH        GALLATIN           MT   MESONET

            THREE INCHES NEW SNOW OVERNIGHT. TWO INCHES
            PREVIOUS FELL THURSDAY AND FRIDAY NOV 28 TO
            29. THREE DAY TOTAL IS 5 INCHES.

&&

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREAT FALLS MT
835 AM MST SAT NOV 30 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0835 AM     SNOW             1 WSW VIRGINIA CITY     45.30N 111.94W
11/30/2019  E4.0 INCH        MADISON            MT   TRAINED SPOTTER

            4 INCHES NEW SNOW OVERNIGHT.

&&