Alert archive / Montana / Flash Flood Warnings in 2026

Flash Flood Warning 6, NWS Great Falls, MT

July 22, 2026Broadwater County, Lewis and Clark County, Montana

NWS Great Falls, MT issued this flash flood warning at Jul 22, 2026, 7:54 PM MDT for Broadwater County, Lewis and Clark County, Montana. It was in force for 3 hr. 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 22, 2026, 7:54 PM MDT (01:54 UTC)
Expired
Jul 22, 2026, 10:45 PM MDT
In force
3 hr
Issued by
NWS Great Falls, MT
Area
Storm-based polygon
Flood severity
None

Counties Broadwater County, MT, Lewis and Clark County, MT

The radar

The Great Falls radar (KTFX), 92 km from the middle of the area, began a volume at 01:54 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 22, 8:15 PM MDTAreal Flood AdvisoryTFXLewis and Clark118 min
Jul 22, 8:48 PM MDTSpecial Weather StatementTFXBroadwater42 min
Jul 23, 12:31 AM MDTFire Weather WatchTFXBlaine, Cascade, Chouteau, Fergus, Glacier, Hill and 8 more13 hr
Jul 23, 12:51 PM MDTHeat AdvisoryTFXBeaverhead, Blaine, Broadwater, Cascade, Chouteau, Fergus and 12 more3 days
Jul 23, 12:51 PM MDTExtreme Heat WarningTFXBlaine, Cascade, Chouteau, Fergus, Hill, Judith Basin3 days
Jul 23, 1:57 PM MDTRed Flag WarningTFXBlaine, Cascade, Chouteau, Fergus, Glacier, Hill and 8 more55 hr
Jul 23, 2:03 PM MDTSpecial Weather StatementTFXJudith Basin42 min

Nearby

Flash Flood Warnings in Montana, 2026Every flash flood 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.