Alert archive / Montana / High Wind Warnings in 2025
High Wind Warning 17, NWS Billings, MT
NWS Billings, MT issued this high wind warning at Dec 18, 2025, 3:02 AM MST for 7 counties in Montana; Sheridan County, Wyoming. It took effect at Dec 18, 2025, 2:00 PM MST. It was in force for 27 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
- Dec 18, 2025, 3:02 AM MST (10:02 UTC)
- In effect from
- Dec 18, 2025, 2:00 PM MST
- Expired
- Dec 19, 2025, 5:00 PM MST
- In force
- 27 hr
- Issued by
- NWS Billings, MT
Counties Big Horn County, MT, Carbon County, MT, Golden Valley County, MT, Park County, MT, Stillwater County, MT, Sweet Grass County, MT, Wheatland County, MT, Sheridan County, WY
The radar
The Billings radar (KBLX), 40 km from the middle of the area, began a volume at 10:07 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 00:00Z, 10.0 hours before the alert went out and 292 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
- 2773 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Dec 17, 3:26 PM MST, 11 hours 36 minutes earlier.
Area forecast discussion, Dec 17, 3:26 PM MST, 11 hours 36 minutes before
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</html>The office that day
Everything else NWS Billings, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 18, 3:02 AM MST | High Wind Watch | BYZ | Big Horn, Carbon, Golden Valley, Wheatland | 11 hr |
Nearby
High Wind Warnings in Montana, 2025High Wind Warnings in Wyoming, 2025Every high wind 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.