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Severe Thunderstorm Warning 0163
Issued by the Great Falls Forecast Office

Action Issued Starts Expiration
New 2025-09-14 20:53:37 2025-09-14 20:53:00 2025-09-14 21:45:00
Continued 2025-09-14 21:15:37 2025-09-14 21:45:00
Continued 2025-09-14 21:32:08 2025-09-14 21:45:00
Expired 2025-09-14 21:36:38 2025-09-14 21:45:00


Action: New
Issued At: 2025-09-14 20:53:37

558 
WUUS55 KTFX 150153
SVRTFX
MTC007-031-059-150245-
/O.NEW.KTFX.SV.W.0163.250915T0153Z-250915T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Great Falls MT
753 PM MDT Sun Sep 14 2025

The National Weather Service in Great Falls has issued a

* Severe Thunderstorm Warning for...
  Broadwater County in southwestern Montana...
  South central Meagher County in central Montana...
  Northern Gallatin County in south central Montana...

* Until 845 PM MDT.

* At 753 PM MDT, severe thunderstorms were located along a line
  extending from 8 miles west of Townsend to near Toston to near
  Three Forks, moving east at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Townsend, Belgrade, Three Forks, Manhattan, Toston, Missouri
  Headwaters State Park, Logan, Radersburg, Maudlow, Silos, Trident,
  Willow Creek, Menard, and Madison Buffalo Jump State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4577 11167 4604 11166 4605 11178 4638 11179
      4659 11110 4625 11085 4576 11086
TIME...MOT...LOC 0153Z 256DEG 25KT 4636 11169 4615 11153 4585 11154 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

AM


Action: Continued
Issued At: 2025-09-14 21:15:37

244 
WWUS55 KTFX 150215
SVSTFX

Severe Weather Statement
National Weather Service Great Falls MT
815 PM MDT Sun Sep 14 2025

MTC007-031-059-150245-
/O.CON.KTFX.SV.W.0163.000000T0000Z-250915T0245Z/
Broadwater MT-Meagher MT-Gallatin MT-
815 PM MDT Sun Sep 14 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM MDT
FOR CENTRAL BROADWATER...SOUTH CENTRAL MEAGHER AND NORTHEASTERN
GALLATIN COUNTIES...

At 815 PM MDT, severe thunderstorms were located along a line
extending from near Townsend to 6 miles east of Toston to Manhattan,
moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Townsend, Belgrade, Manhattan, Toston, Logan, Maudlow, Silos,
Trident, Menard, Madison Buffalo Jump State Park, and Missouri
Headwaters State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4577 11149 4612 11154 4643 11164 4657 11117
      4659 11110 4625 11085 4576 11086
TIME...MOT...LOC 0215Z 256DEG 25KT 4640 11148 4619 11132 4589 11133 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

AM


Action: Continued
Issued At: 2025-09-14 21:32:08

554 
WWUS55 KTFX 150231
SVSTFX

Severe Weather Statement
National Weather Service Great Falls MT
831 PM MDT Sun Sep 14 2025

MTC007-031-059-150245-
/O.CON.KTFX.SV.W.0163.000000T0000Z-250915T0245Z/
Broadwater MT-Meagher MT-Gallatin MT-
831 PM MDT Sun Sep 14 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM MDT
FOR EAST CENTRAL BROADWATER...SOUTH CENTRAL MEAGHER AND NORTHEASTERN
GALLATIN COUNTIES...

At 831 PM MDT, severe thunderstorms were located along a line
extending from 10 miles northeast of Townsend to 12 miles east of
Toston to 18 miles north of Manhattan, moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Maudlow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4607 11085 4607 11128 4621 11134 4647 11146
      4654 11127 4657 11117 4659 11110 4625 11085
TIME...MOT...LOC 0231Z 255DEG 25KT 4642 11135 4621 11119 4610 11119 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

AM


Action: Expired
Issued At: 2025-09-14 21:36:38

603 
WWUS55 KTFX 150236
SVSTFX

Severe Weather Statement
National Weather Service Great Falls MT
836 PM MDT Sun Sep 14 2025

MTC007-031-059-150245-
/O.EXP.KTFX.SV.W.0163.000000T0000Z-250915T0245Z/
Broadwater MT-Meagher MT-Gallatin MT-
836 PM MDT Sun Sep 14 2025

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BROADWATER...
SOUTH CENTRAL MEAGHER AND NORTHEASTERN GALLATIN COUNTIES WILL EXPIRE
AT 845 PM MDT...

The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

&&

LAT...LON 4607 11085 4607 11128 4621 11134 4647 11146
      4654 11127 4657 11117 4659 11110 4625 11085
TIME...MOT...LOC 0235Z 256DEG 25KT 4642 11138 4621 11122 4610 11122 

$$

AM



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