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Dense Fog Advisory 0001
Issued by the Great Falls Forecast Office

Action Issued Starts Expiration
New 2026-03-22 01:44:16 2026-03-22 01:43:00 2026-03-22 10:00:00
Cancelled 2026-03-22 07:38:42 2026-03-22 10:00:00


Action: New
Issued At: 2026-03-22 01:44:16

837 
WWUS75 KTFX 220643
NPWTFX

URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
1243 AM MDT Sun Mar 22 2026

MTZ313-314-221500-
/O.NEW.KTFX.FG.Y.0001.260322T0643Z-260322T1500Z/
Judith Basin County and Judith Gap-Fergus County below 4500ft-
Including the following locations: Hobson, Hilger, Benchland,
Stanford, Windham, Raynesford, Lewistown, Geyser, and Moccasin
1243 AM MDT Sun Mar 22 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM MDT THIS MORNING...

* WHAT...Visibility a quarter of a mile or less at times in dense 
  fog.

* WHERE...Fergus County below 4500ft and Judith Basin County and 
  Judith Gap.

* WHEN...Until 9 AM MDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

Brusda


Action: Cancelled
Issued At: 2026-03-22 07:38:42

413 
WWUS75 KTFX 221238
NPWTFX

URGENT - WEATHER MESSAGE
National Weather Service Great Falls MT
638 AM MDT Sun Mar 22 2026

MTZ313-314-221345-
/O.CAN.KTFX.FG.Y.0001.000000T0000Z-260322T1500Z/
Judith Basin County and Judith Gap-Fergus County below 4500ft-
Including the following locations: Hilger, Geyser, Hobson,
Stanford, Raynesford, Windham, Moccasin, Lewistown, and Benchland
638 AM MDT Sun Mar 22 2026

...DENSE FOG ADVISORY IS CANCELLED...

While some patchy fog remains, widespread dense fog is no longer 
forecast. Therefore, the Dense Fog Advisory is being canceled a bit 
early.

$$

AM



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