Alert archive / Montana / Mesoscale Discussions in 2025

Mesoscale Discussion 1815

July 27, 202520 counties in Montana

The Storm Prediction Center issued this mesoscale discussion at Jul 27, 2025, 5:25 PM MDT for 20 counties in Montana. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jul 27, 2025, 5:25 PM MDT (23:25 UTC)
Expired
Jul 27, 2025, 7:30 PM MDT
In force
2 hr
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch unlikely
Chance of a watch
20%

Counties Blaine County, MT, Cascade County, MT, Chouteau County, MT, Fergus County, MT, Garfield County, MT, Glacier County, MT, Golden Valley County, MT, Hill County, MT, Judith Basin County, MT, Lewis and Clark County, MT, Liberty County, MT, Meagher County, MT, Musselshell County, MT, Petroleum County, MT, Phillips County, MT, Pondera County, MT, Teton County, MT, Toole County, MT, Wheatland County, MT, Yellowstone County, MT

The radar

The Great Falls radar (KTFX), 67 km from the middle of the area, began a volume at 23:24 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 26, 6:52 PM MDTSevere Thunderstorm WatchSPCCarter, Fallon7 hr
Jul 26, 6:56 PM MDTMesoscale DiscussionSPCDaniels, Dawson, Garfield, McCone, Musselshell, Petroleum and 3 more2 hr
Jul 26, 8:30 PM MDTMesoscale DiscussionSPCCarter2 hr
Jul 26, 8:42 PM MDTMesoscale DiscussionSPCMcCone, Roosevelt, Valley93 min
Jul 26, 10:28 PM MDTMesoscale DiscussionSPCDawson, McCone, Prairie, Richland, Roosevelt, Sheridan and 1 more92 min

Nearby

Mesoscale Discussions in Montana, 2025Every mesoscale discussion in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.