Alert archive / Montana / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 102, NWS Great Falls, MT
NWS Great Falls, MT issued this severe thunderstorm warning at Jul 28, 2025, 2:13 PM MDT for Lewis and Clark County, Teton County, Montana. It was in force for 62 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 28, 2025, 2:13 PM MDT (20:13 UTC)
- Expired
- Jul 28, 2025, 3:15 PM MDT
- In force
- 62 min
- Issued by
- NWS Great Falls, MT
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
Counties Lewis and Clark County, MT, Teton County, MT
The radar
The Great Falls radar (KTFX), 70 km from the middle of the area, began a volume at 20:14 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 28, 1:16 PM MDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Glasgow Intl Airport, MT (KGGW), launched 12:00Z, 8.2 hours before the alert went out and 434 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1418 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- -99 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Great Falls, MT wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 28, 11:40 AM MDT, 2 hours 33 minutes earlier.
Area forecast discussion, Jul 28, 11:40 AM MDT, 2 hours 33 minutes before
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Special weather statement, Jul 28, 1:43 PM MDT, 30 minutes before
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<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>The office that day
Everything else NWS Great Falls, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 6:04 PM MDT | Special Weather Statement | TFX | 26 min | |
| Jul 27, 6:12 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 48 min |
| Jul 27, 6:29 PM MDT | Special Weather Statement | TFX | 31 min | |
| Jul 27, 6:37 PM MDT | Special Weather Statement | TFX | Judith Basin | 23 min |
| Jul 27, 7:07 PM MDT | Severe Thunderstorm Warning | TFX | Glacier, Toole | 38 min |
| Jul 27, 7:24 PM MDT | Special Weather Statement | TFX | Wheatland | 51 min |
| Jul 27, 7:31 PM MDT | Special Weather Statement | TFX | Blaine | 44 min |
| Jul 27, 7:40 PM MDT | Special Weather Statement | TFX | Toole | 35 min |
| Jul 27, 7:53 PM MDT | Special Weather Statement | TFX | Liberty, Toole | 52 min |
| Jul 27, 8:10 PM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty, Toole | 65 min |
| Jul 27, 8:15 PM MDT | Special Weather Statement | TFX | Fergus | 30 min |
| Jul 27, 8:46 PM MDT | Special Weather Statement | TFX | Fergus | 44 min |
| Jul 27, 9:14 PM MDT | Severe Thunderstorm Warning | TFX | Hill, Liberty | 61 min |
| Jul 27, 10:13 PM MDT | Special Weather Statement | TFX | Hill | 47 min |
| Jul 27, 10:52 PM MDT | Special Weather Statement | TFX | Blaine | 38 min |
| Jul 27, 11:19 PM MDT | Areal Flood Advisory | TFX | Blaine, Hill | 4 hr |
| Jul 27, 11:29 PM MDT | Special Weather Statement | TFX | Blaine | 61 min |
| Jul 27, 11:46 PM MDT | Special Weather Statement | TFX | Meagher | 44 min |
| Jul 28, 2:42 AM MDT | River Flood Warning | TFX | Blaine | 3 hr |
| Jul 28, 1:43 PM MDT | Special Weather Statement | TFX | Teton | 32 min |
| Jul 28, 1:59 PM MDT | Special Weather Statement | TFX | Jefferson | 46 min |
| Jul 28, 2:14 PM MDT | Special Weather Statement | TFX | Broadwater | 46 min |
| Jul 28, 2:24 PM MDT | Special Weather Statement | TFX | Judith Basin | 51 min |
| Jul 28, 2:36 PM MDT | Special Weather Statement | TFX | Pondera | 39 min |
| Jul 28, 2:39 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Jefferson, Lewis and Clark | 36 min |
| Jul 28, 2:43 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 47 min |
| Jul 28, 3:04 PM MDT | Special Weather Statement | TFX | Jefferson | 26 min |
| Jul 28, 3:05 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 19 min |
| Jul 28, 3:11 PM MDT | Severe Thunderstorm Warning | TFX | Broadwater, Meagher | 29 min |
| Jul 28, 3:12 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Lewis and Clark, Teton | 63 min |
| Jul 28, 3:15 PM MDT | Special Weather Statement | TFX | Meagher | 45 min |
| Jul 28, 3:29 PM MDT | Special Weather Statement | TFX | Fergus | 46 min |
| Jul 28, 3:46 PM MDT | Special Weather Statement | TFX | Judith Basin | 44 min |
| Jul 28, 3:46 PM MDT | Special Weather Statement | TFX | Cascade | 44 min |
| Jul 28, 3:51 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Judith Basin, Meagher | 54 min |
| Jul 28, 3:56 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 64 min |
| Jul 28, 3:57 PM MDT | Special Weather Statement | TFX | Judith Basin | 33 min |
| Jul 28, 4:00 PM MDT | Special Weather Statement | TFX | Cascade | 60 min |
| Jul 28, 4:03 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Meagher | 42 min |
| Jul 28, 4:07 PM MDT | Special Weather Statement | TFX | Meagher | 38 min |
| Jul 28, 4:09 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin | 51 min |
| Jul 28, 4:18 PM MDT | Severe Thunderstorm Warning | TFX | Meagher | 29 min |
| Jul 28, 4:31 PM MDT | Special Weather Statement | TFX | Cascade | 44 min |
| Jul 28, 4:35 PM MDT | Areal Flood Advisory | TFX | Judith Basin | 3 hr |
| Jul 28, 4:38 PM MDT | Severe Thunderstorm Warning | TFX | Cascade, Judith Basin | 52 min |
| Jul 28, 4:38 PM MDT | Severe Thunderstorm Warning | TFX | Judith Basin, Meagher | 26 min |
| Jul 28, 4:45 PM MDT | Special Weather Statement | TFX | Fergus | 45 min |
| Jul 28, 4:51 PM MDT | Severe Thunderstorm Warning | TFX | Fergus, Judith Basin | 54 min |
| Jul 28, 4:55 PM MDT | Special Weather Statement | TFX | Lewis and Clark | 50 min |
| Jul 28, 4:58 PM MDT | Special Weather Statement | TFX | Fergus | 77 min |
| Jul 28, 5:00 PM MDT | Special Weather Statement | TFX | Cascade | 30 min |
| Jul 28, 5:09 PM MDT | Severe Thunderstorm Warning | TFX | Chouteau, Fergus | 51 min |
| Jul 28, 5:15 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 60 min |
| Jul 28, 5:17 PM MDT | Special Weather Statement | TFX | Cascade | 28 min |
| Jul 28, 5:27 PM MDT | Areal Flood Advisory | TFX | Fergus | 4 hr |
| Jul 28, 5:28 PM MDT | Special Weather Statement | TFX | Chouteau | 47 min |
| Jul 28, 5:37 PM MDT | Special Weather Statement | TFX | Fergus | 38 min |
| Jul 28, 5:48 PM MDT | Severe Thunderstorm Warning | TFX | Fergus | 42 min |
Nearby
Severe Thunderstorm Warnings in Montana, 2025Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.