Alert archive / Montana / Red Flag Warnings in 2026

Red Flag Warning 2, NWS Billings, MT

April 22, 20267 counties in Montana

NWS Billings, MT issued this red flag warning at Apr 22, 2026, 10:41 AM MDT for 7 counties in Montana. It was in force for 10 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
Apr 22, 2026, 10:41 AM MDT (16:41 UTC)
Expired
Apr 22, 2026, 9:00 PM MDT
In force
10 hr
Issued by
NWS Billings, MT

Counties Big Horn County, MT, Carter County, MT, Custer County, MT, Fallon County, MT, Powder River County, MT, Rosebud County, MT, Treasure County, MT

The radar

The Billings radar (KBLX), 206 km from the middle of the area, began a volume at 16:40 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 12:00Z, 4.7 hours before the alert went out and 262 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 12:00Z on 2026-04-22Temperature 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 12:00Z on 2026-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 285 square meters per square second.193958Sfc1 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
3157 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
285 m²/s²
0-3 km storm-relative helicity
327 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 11:28 PM MDTWinter Storm WarningBYZCarbon, Park, Stillwater, Sweet Grass, Wheatland62 hr
Apr 22, 10:16 AM MDTHigh Wind WarningBYZCarbon14 hr
Apr 22, 10:16 AM MDTWind AdvisoryBYZPark, Stillwater, Sweet Grass14 hr
Apr 22, 1:10 PM MDTWinter Weather AdvisoryBYZBig Horn, Carbon, Park, Stillwater, Sweet Grass50 hr
Apr 22, 2:57 PM MDTSpecial Weather StatementBYZRosebud48 min
Apr 22, 3:20 PM MDTSpecial Weather StatementBYZTreasure40 min
Apr 22, 5:45 PM MDTSpecial Weather StatementBYZYellowstone45 min

Nearby

Red Flag Warnings in Montana, 2026Every red flag 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.