Alert archive / Montana / Flash Flood Warnings in 2026

Flash Flood Warning 3, NWS Billings, MT

June 20, 2026Rosebud County, Montana

NWS Billings, MT issued this flash flood warning at Jun 20, 2026, 11:42 PM MDT for Rosebud 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: Jun 20, 2026, 11:42 PM MDT (05:42 UTC)
Expired: Jun 21, 2026, 2:45 AM MDT
In force: 3 hr
Issued by: NWS Billings, MT
Area: Storm-based polygon
Flood severity: None

County Rosebud County, MT

The radar

The Billings radar (KBLX), 151 km from the middle of the area, began a volume at 05:46 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.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 20, 7:15 PM MDT, 4 hours 27 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 7:15 PM MDT	Special Weather Statement	BYZ		45 min
Jun 20, 7:52 PM MDT	Severe Thunderstorm Warning	BYZ	Powder River	38 min

Nearby

Flash Flood Warnings in Montana, 2026 Every 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.