Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Great Falls, MT

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WWUS75 KTFX 202039
NPWTFX

URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
239 PM MDT Fri Oct 20 2017

MTZ009-048-211100-
/O.CON.KTFX.HW.A.0009.171022T0600Z-171023T0400Z/
Northern Rocky Mountain Front-Southern Rocky Mountain Front-
Including the following locations Logan Pass, Marias Pass,
Browning, Heart Butte, Bynum, Choteau, and Augusta
239 PM MDT Fri Oct 20 2017

...HIGH WIND WATCH REMAINS IN EFFECT
FROM LATE SATURDAY NIGHT THROUGH SUNDAY EVENING...

* Winds: Southwest 30 to 40 mph...with gusts near 65 mph.
  Isolated gusts near 85 mph are possible at ridge tops.

* Timing: Saturday night through Sunday night.

* Impacts: Damaging winds will blow down trees and power lines.
  Widespread power outages are expected. Travel will be
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Watch means there is the potential for a hazardous
high wind event. Sustained winds of at least 40 mph, or gusts of
58 mph or stronger, may occur. Continue to monitor the latest
forecasts.

&&

$$

MTZ010>013-044>047-049>051-054-211100-
/O.CON.KTFX.HW.A.0009.171022T1200Z-171023T0400Z/
Eastern Glacier-Hill-Cascade-Chouteau-Toole-Liberty-
Eastern Pondera-Blaine-Eastern Teton-Judith Basin-Fergus-Meagher-
Including the following locations Cut Bank, Havre, Rocky Boy,
Rudyard, Great Falls, Cascade, Belt, Kings Hill Pass,
Fort Benton, Carter, Big Sandy, Shelby, Sunburst, Chester,
Whitlash, Brady, Conrad, Chinook, Harlem, Hays, Fairfield,
Dutton, Raynesford, Stanford, Hobson, Lewistown, Winifred,
Lewistown Divide, Grass Range, Martinsdale,
and White Sulphur Springs
239 PM MDT Fri Oct 20 2017

...HIGH WIND WATCH REMAINS IN EFFECT
FROM SUNDAY MORNING THROUGH SUNDAY EVENING...

* Winds: West 35 to 45 mph...with gusts up to 65 mph.

* Timing: Early Sunday morning through Sunday night.

* Impacts: Damaging winds will blow down trees and power lines.
  Widespread power outages are expected. Travel will be
  difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Watch means there is the potential for a hazardous
high wind event. Sustained winds of at least 40 mph, or gusts of
58 mph or stronger, may occur. Continue to monitor the latest
forecasts.

&&

$$

MTZ014-211100-
/O.CON.KTFX.HW.A.0009.171022T1200Z-171023T0400Z/
Central and Southern Lewis and Clark-
Including the following locations Lincoln, MacDonald Pass,
and Rogers Pass
239 PM MDT Fri Oct 20 2017

...HIGH WIND WATCH REMAINS IN EFFECT
FROM SUNDAY MORNING THROUGH SUNDAY EVENING...

* Winds: Southwest 25 to 35 mph...with gusts near 55 mph. Winds in
  the Helena Valley will be lighter...at 20 to 30 mph...with
  gusts near 40 mph.

* Timing: Early Sunday morning through Sunday night.

* Impacts: Strong winds may blow down limbs, trees, and power
  lines. Scattered power outages are expected.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Watch means there is the potential for a hazardous
high wind event. Sustained winds of at least 40 mph, or gusts of
58 mph or stronger, may occur. Continue to monitor the latest
forecasts.

&&

$$



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