At 5:15 AM MDT, 3 NW Forest Park [Dawson Co, MT] ASOS reports Fog of 0.25 Mi. Glendive, Dawson Community Airport, MT (ASOS/AWOS - GGW) Elev: 2457.0 ft; Lat/Lon: 47.13333/-104.8 From 515 AM to 730 AM Quarter mile fog. #mtwx Link

At 6:57 AM MDT, 1 SSE Terry [Prairie Co, MT] Other Federal reports Fog of 0.25 Mi. Camera Site Name: Terry Airport Camera Site Identifier: 8U6 ICAO: Latitude: N 46.7784 Longitude: W -105.3054 Elevation: 2283 ft. MSL From 657 AM to 740 AM... #mtwx Link

[Delayed Report] On Sep 24, at 12:04 AM MDT, 2 WSW Sidney [Richland Co, MT] Mesonet reports Fog of 0.25 Mi. Sidney-Richland, MT (ASOS/AWOS - GGW) Elev: 1985.0 ft; Lat/Lon: 47.7/-104.2 From 1204AM to 910 AM. Quart mile Fog. #mtwx Link

[Delayed Report] On Sep 24, at 2:30 AM MDT, Clayton Airport (Kolf) [Roosevelt Co, MT] ASOS reports Fog of 0.25 Mi. Wolf Point, Clayton Airport, MT (ASOS/AWOS - GGW) Elev: 1985.0 ft; Lat/Lon: 48.09444/-105.57722 KOLF Quarter mile visibility - fog. #mtwx Link

[Delayed Report] On Sep 24, at 1:30 AM MDT, 2 NE Poplar [Roosevelt Co, MT] ASOS reports Fog of 0.25 Mi. Poplar Municipal Airport, MT (ASOS/AWOS - GGW) Elev: 2037.0 ft; Lat/Lon: 48.13442/-105.16214 From 130 AM to 830 AM Quarter mile fog. #mtwx Link

[Delayed Report] On Sep 23, at 10:30 PM MDT, Culbertson [Roosevelt Co, MT] Official NWS Obs reports Fog of 0.25 Mi. From 1030PM to 730AM Quarter mile fog. Estimated time via satellite. #mtwx Link

[Delayed Report] On Sep 23, at 10:50 PM MDT, Sher-Wood Airport [Sheridan Co, MT] ASOS reports Fog of 0.25 Mi. Sher-Wood Airport, MT (ASOS/AWOS - GGW) Elev: 2264.0 ft; Lat/Lon: 48.78900/-104.52297 From 1050 PM 9/23/26 to 1010 AM 9/24/26 Quarter... #mtwx Link

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Special Weather Statement issued September 21 at 5:18AM MDT by NWS Great Falls MT

Patchy fog will affect portions of North Central Montana this
morning. Visibility will be locally reduced to less than one half
mile at times. Those travelling this morning should be pr...

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Dense Fog Advisory issued September 21 at 4:57AM MDT until September 21 at 10:00AM MDT by NWS Billings MT

* WHAT...Areas of dense fog producing visibility one quarter mile or
less.

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

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At 6:25 PM MDT, 1 ENE Forsyth [Rosebud Co, MT] Cocorahs reports Rain of 2.16 Inch. Storm total. #mtwx Link

At 5:45 PM MDT, 7 E Albion [Carter Co, MT] Public reports Rain of 1.75 Inch #mtwx Link

At 6:01 PM MDT, 5 N Forsyth [Rosebud Co, MT] Trained Spotter reports Rain of 2.01 Inch. Storm total so far. #mtwx Link

Flood Watch issued September 20 at 1:56PM MDT until September 20 at 6:00PM MDT by NWS Billings MT

Showers continue over southeast Montana and northern Wyoming today.
A few thunderstorms may develop as well. The risk of flooding
continues.

* WHAT...Flooding caused by...

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At 10:44 AM MDT, 10 SSW Cohagen [Garfield Co, MT] Mesonet reports Rain of 2.13 Inch. Storm total so far: 6-hour rainfall between 6:00am and 12:00pm on September 19 was 1.24 inches. #mtwx Link

At 10:38 AM MDT, 18 ESE Edwards [Garfield Co, MT] Mesonet reports Rain of 2.19 Inch. Corrects previous rain report from 18 ESE Edwards. Storm total so far: 6-hour rainfall between 6:00am and 12:00pm on September 19 was 1.50 inches. #mtwx Link