Alert archive / Montana / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 79, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Jul 18, 2026, 5:48 PM MDT for Pondera County, Toole County, Montana. It was in force for 57 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 18, 2026, 5:48 PM MDT (23:48 UTC)
- Expired
- Jul 18, 2026, 6:45 PM MDT
- In force
- 57 min
- Issued by
- NWS Great Falls, MT
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Pondera County, MT, Toole County, MT
The radar
The Great Falls radar (KTFX), 117 km from the middle of the area, began a volume at 23:48 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 18, 3:39 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 6:25 PM MDT | Special Weather Statement | TFX | Jefferson | 50 min |
| Jul 17, 6:41 PM MDT | Areal Flood Advisory | TFX | Jefferson | 3 hr |
| Jul 17, 6:47 PM MDT | Special Weather Statement | TFX | Cascade | 43 min |
| Jul 17, 6:58 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Chouteau, Teton | 32 min |
| Jul 17, 7:08 PM MDT | Special Weather Statement | TFX | Broadwater | 52 min |
| Jul 17, 7:26 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Meagher | 37 min |
| Jul 17, 8:00 PM MDT | Special Weather Statement | TFX | Meagher | 45 min |
| Jul 17, 8:08 PM MDT | Special Weather Statement | TFX | Cascade | 52 min |
| Jul 17, 8:33 PM MDT | Areal Flood Advisory | TFX | Broadwater, Meagher | 3 hr |
| Jul 17, 8:35 PM MDT | Areal Flood Advisory | TFX | Cascade, Judith Basin | 3 hr |
| Jul 17, 9:06 PM MDT | Flash Flood Warning | TFX | Broadwater, Lewis and Clark | 4 hr |
| Jul 18, 1:46 PM MDT | Special Weather Statement | TFX | Beaverhead | 44 min |
| Jul 18, 2:25 PM MDT | Special Weather Statement | TFX | Silver Bow | 50 min |
| Jul 18, 2:32 PM MDT | Severe Thunderstorm Warning | TFX | Beaverhead, Jefferson, Madison | 28 min |
| Jul 18, 2:53 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Gallatin, Jefferson, Madison | 67 min |
| Jul 18, 4:01 PM MDT | Special Weather Statement | TFX | Broadwater | 59 min |
| Jul 18, 4:21 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 39 min |
| Jul 18, 4:49 PM MDT | Special Weather Statement | TFX | Beaverhead | 56 min |
| Jul 18, 4:49 PM MDT | Special Weather Statement | TFX | Pondera | 26 min |
| Jul 18, 5:00 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark | 45 min |
| Jul 18, 5:09 PM MDT | Special Weather Statement | TFX | Liberty, Pondera | 66 min |
| Jul 18, 5:26 PM MDT | Severe Thunderstorm Warning | TFX | Lewis and Clark, Teton | 64 min |
| Jul 18, 5:30 PM MDT | Severe Thunderstorm Warning | TFX | Liberty, Toole | 60 min |
| Jul 18, 5:41 PM MDT | Special Weather Statement | TFX | Cascade | 49 min |
| Jul 18, 5:44 PM MDT | Areal Flood Advisory | TFX | Liberty, Pondera, Toole | 3 hr |
| Jul 18, 5:50 PM MDT | Special Weather Statement | TFX | Madison | 55 min |
| Jul 18, 5:55 PM MDT | Severe Thunderstorm Warning | TFX | Teton | 35 min |
| Jul 18, 5:56 PM MDT | Special Weather Statement | TFX | Cascade | 49 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.