Alert archive / Montana / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 85, NWS Great Falls, MT

July 23, 20266 counties in Montana

NWS Great Falls, MT issued this severe thunderstorm warning at Jul 23, 2026, 11:50 PM MDT for 6 counties in Montana. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 23, 2026, 11:50 PM MDT (05:50 UTC)
Expired
Jul 24, 2026, 12:30 AM MDT
In force
40 min
Issued by
NWS Great Falls, MT
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Broadwater County, MT, Gallatin County, MT, Jefferson County, MT, Lewis and Clark County, MT, Madison County, MT, Meagher County, MT

The radar

The Great Falls radar (KTFX), 144 km from the middle of the area, began a volume at 05:50 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 office that day

Everything else NWS Great Falls, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 23, 11:15 PM MDTSpecial Weather StatementTFXJefferson45 min
Jul 23, 11:19 PM MDTSpecial Weather StatementTFXBroadwater41 min
Jul 24, 12:29 AM MDTSpecial Weather StatementTFXBroadwater, Meagher61 min
Jul 24, 5:25 PM MDTSpecial Weather StatementTFX50 min

Nearby

Severe Thunderstorm Warnings in Montana, 2026Every severe thunderstorm warning in 2026

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.