Alert archive / Montana / High Wind Warnings in 2026

High Wind Warning 15, NWS Billings, MT

May 13, 20269 counties in Montana

NWS Billings, MT issued this high wind warning at May 13, 2026, 12:00 AM MDT for 9 counties in Montana. It took effect at May 13, 2026, 1:00 PM MDT. It was in force for 26 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
May 13, 2026, 12:00 AM MDT (06:00 UTC)
In effect from
May 13, 2026, 1:00 PM MDT
Expired
May 14, 2026, 2:46 PM MDT
In force
26 hr
Issued by
NWS Billings, MT

Counties Big Horn County, MT, Carbon County, MT, Golden Valley County, MT, Musselshell County, MT, Park County, MT, Stillwater County, MT, Sweet Grass County, MT, Wheatland County, MT, Yellowstone County, MT

The radar

The Billings radar (KBLX), 40 km from the middle of the area, began a volume at 06:00 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

Glasgow Intl Airport, MT (KGGW), launched 00:00Z, 6.0 hours before the alert went out and 323 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, Glasgow Intl Airport, MT at 00:00Z on 2026-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Glasgow Intl Airport, MT at 00:00Z on 2026-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3372 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Billings, MT wrote its last area forecast discussion before this high wind warning went out at May 12, 7:10 PM MDT, 4 hours 50 minutes earlier.

Area forecast discussion, May 12, 7:10 PM MDT, 4 hours 50 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 12:00 AM MDTWind AdvisoryBYZPark, Stillwater, Sweet Grass36 hr
May 13, 2:56 PM MDTSpecial Weather StatementBYZPark34 min
May 13, 3:58 PM MDTSevere Thunderstorm Warning Considerable damage threatBYZPark, Stillwater, Sweet Grass62 min
May 13, 4:41 PM MDTSevere Thunderstorm Warning Considerable damage threatBYZGolden Valley, Wheatland64 min
May 13, 5:11 PM MDTSpecial Weather StatementBYZMusselshell49 min
May 13, 5:17 PM MDTSevere Thunderstorm WarningBYZBig Horn, Rosebud43 min
May 13, 5:52 PM MDTSevere Thunderstorm WarningBYZPark, Sweet Grass38 min

Nearby

High Wind Warnings in Montana, 2026Every high wind 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.