Alert archive / Montana / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 113, NWS Billings, MT

June 16, 2025Big Horn County, Yellowstone County, Montana

NWS Billings, MT issued this severe thunderstorm warning at Jun 16, 2025, 5:57 PM MDT for Big Horn County, Yellowstone County, Montana. It was in force for 37 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
Jun 16, 2025, 5:57 PM MDT (23:57 UTC)
Expired
Jun 16, 2025, 6:34 PM MDT
In force
37 min
Issued by
NWS Billings, MT
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Big Horn County, MT, Yellowstone County, MT

The radar

The Billings radar (KBLX), 59 km from the middle of the area, began a volume at 23:58 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 nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 12.0 hours before the alert went out and 293 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.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 12:00Z on 2025-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 683 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 12:00Z on 2025-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
683 J/kg
Mixed-layer CIN
-303 J/kg
Mixed-layer LCL
1277 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 6:04 PM MDTSevere Thunderstorm WarningBYZGolden Valley, Wheatland41 min
Jun 15, 6:49 PM MDTSevere Thunderstorm WarningBYZStillwater, Sweet Grass32 min
Jun 15, 6:54 PM MDTSevere Thunderstorm WarningBYZGolden Valley, Wheatland36 min
Jun 15, 6:58 PM MDTSpecial Weather StatementBYZBig Horn32 min
Jun 15, 7:02 PM MDTSevere Thunderstorm WarningBYZCarbon, Stillwater28 min
Jun 15, 7:03 PM MDTSevere Thunderstorm WarningBYZGolden Valley, Stillwater, Sweet Grass27 min
Jun 15, 7:04 PM MDTSevere Thunderstorm WarningBYZStillwater26 min
Jun 15, 7:22 PM MDTSevere Thunderstorm WarningBYZCarbon, Stillwater10 min
Jun 15, 7:27 PM MDTSevere Thunderstorm WarningBYZGolden Valley, Musselshell44 min
Jun 15, 7:39 PM MDTSevere Thunderstorm WarningBYZBig Horn51 min
Jun 15, 8:01 PM MDTSevere Thunderstorm WarningBYZBig Horn44 min
Jun 15, 8:01 PM MDTSevere Thunderstorm Warning Considerable damage threatBYZRosebud44 min
Jun 15, 8:04 PM MDTSevere Thunderstorm WarningBYZCarbon, Stillwater56 min
Jun 15, 8:10 PM MDTSevere Thunderstorm WarningBYZGolden Valley, Musselshell54 min
Jun 15, 8:23 PM MDTSevere Thunderstorm WarningBYZCuster44 min
Jun 15, 8:23 PM MDTTornado Warning Tornado observedBYZMusselshell37 min
Jun 15, 8:26 PM MDTSpecial Weather StatementBYZYellowstone34 min
Jun 15, 8:31 PM MDTSpecial Weather StatementBYZ29 min
Jun 15, 8:39 PM MDTSevere Thunderstorm WarningBYZRosebud44 min
Jun 15, 8:43 PM MDTSevere Thunderstorm WarningBYZBig Horn, Powder River, Rosebud47 min
Jun 15, 8:48 PM MDTFlash Flood WarningBYZGolden Valley, Musselshell3 hr
Jun 15, 8:59 PM MDTSevere Thunderstorm WarningBYZBig Horn, Treasure, Yellowstone46 min
Jun 15, 9:03 PM MDTSevere Thunderstorm WarningBYZMusselshell, Rosebud, Treasure, Yellowstone25 min
Jun 15, 9:06 PM MDTSevere Thunderstorm WarningBYZRosebud24 min
Jun 15, 9:06 PM MDTSevere Thunderstorm WarningBYZCuster, Powder River54 min
Jun 15, 9:22 PM MDTSevere Thunderstorm Warning Considerable damage threatBYZCuster, Rosebud38 min
Jun 15, 9:30 PM MDTSevere Thunderstorm WarningBYZPowder River36 min
Jun 15, 9:35 PM MDTTornado Warning Tornado observedBYZCuster, Rosebud25 min
Jun 15, 9:37 PM MDTFlash Flood WarningBYZMusselshell2 hr
Jun 15, 9:41 PM MDTSevere Thunderstorm Warning Considerable damage threatBYZBig Horn, Custer, Powder River, Rosebud, Treasure64 min
Jun 15, 9:47 PM MDTSevere Thunderstorm WarningBYZCarter, Fallon58 min
Jun 15, 9:49 PM MDTSevere Thunderstorm Warning Considerable damage threatBYZCuster, Powder River26 min
Jun 15, 10:14 PM MDTFlash Flood WarningBYZBig Horn102 min
Jun 15, 10:14 PM MDTSevere Thunderstorm Warning Considerable damage threatBYZCarter, Custer, Powder River31 min
Jun 15, 10:14 PM MDTSevere Thunderstorm WarningBYZCuster, Powder River, Rosebud46 min
Jun 15, 10:23 PM MDTFlash Flood WarningBYZPowder River93 min
Jun 15, 10:44 PM MDTFlash Flood WarningBYZCuster3 hr
Jun 15, 10:44 PM MDTSevere Thunderstorm WarningBYZCarter, Fallon46 min
Jun 15, 10:46 PM MDTSpecial Weather StatementBYZRosebud44 min
Jun 15, 10:58 PM MDTSevere Thunderstorm WarningBYZCarter, Custer, Fallon62 min
Jun 15, 11:03 PM MDTFlash Flood WarningBYZCuster3 hr
Jun 15, 11:17 PM MDTFlash Flood WarningBYZCarter3 hr
Jun 16, 12:39 AM MDTSevere Thunderstorm Warning Considerable damage threatBYZFallon66 min
Jun 16, 1:30 PM MDTSevere Thunderstorm WarningBYZPark, Sweet Grass, Wheatland34 min
Jun 16, 2:02 PM MDTSpecial Weather StatementBYZSweet Grass43 min
Jun 16, 2:59 PM MDTSevere Thunderstorm WarningBYZCarbon46 min
Jun 16, 3:02 PM MDTSevere Thunderstorm WarningBYZGolden Valley, Wheatland43 min
Jun 16, 3:07 PM MDTSevere Thunderstorm WarningBYZPark, Sweet Grass38 min
Jun 16, 3:37 PM MDTSevere Thunderstorm WarningBYZBig Horn, Carbon38 min
Jun 16, 3:38 PM MDTSevere Thunderstorm WarningBYZGolden Valley, Stillwater, Yellowstone52 min
Jun 16, 3:42 PM MDTSevere Thunderstorm WarningBYZSweet Grass31 min
Jun 16, 3:43 PM MDTSevere Thunderstorm WarningBYZCarbon, Stillwater47 min
Jun 16, 4:14 PM MDTFlash Flood WarningBYZCarbon3 hr
Jun 16, 4:20 PM MDTSevere Thunderstorm WarningBYZBig Horn, Carbon40 min
Jun 16, 4:22 PM MDTSevere Thunderstorm WarningBYZStillwater38 min
Jun 16, 4:29 PM MDTSevere Thunderstorm Warning Considerable damage threatBYZMusselshell, Yellowstone46 min
Jun 16, 4:38 PM MDTSevere Thunderstorm WarningBYZBig Horn, Carbon46 min
Jun 16, 4:52 PM MDTSevere Thunderstorm WarningBYZStillwater, Yellowstone23 min
Jun 16, 4:59 PM MDTSevere Thunderstorm WarningBYZBig Horn, Carbon46 min
Jun 16, 5:12 PM MDTSevere Thunderstorm Warning Considerable damage threatBYZBig Horn, Yellowstone48 min
Jun 16, 5:15 PM MDTSevere Thunderstorm WarningBYZYellowstone30 min
Jun 16, 5:22 PM MDTSpecial Weather StatementBYZPark38 min
Jun 16, 5:22 PM MDTSevere Thunderstorm WarningBYZBig Horn, Carbon38 min
Jun 16, 5:49 PM MDTSevere Thunderstorm WarningBYZBig Horn41 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.