Office: BIL
Office: GTF
Office: GGW
WWUS85 KGGW 101810
RFWGGW
URGENT - FIRE WEATHER MESSAGE
National Weather Service Glasgow MT
1210 PM MDT Sun May 10 2026
MTZ120-122-134>137-110900-
/O.UPG.KGGW.FW.A.0004.260511T1700Z-260512T0200Z/
/O.NEW.KGGW.FW.W.0005.260511T1700Z-260512T0200Z/
Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties-
Dawson/McCone/Prairie/Richland/Wibaux Counties-
Northern Valley and Northern Phillips Counties-The Little Rockies-
The Lower Missouri River Breaks including the Charles M Russell
National Wildlife Refuge-
Southern Petroleum and Southern Garfield Counties-
1210 PM MDT Sun May 10 2026
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT MONDAY FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 120,
122, 134, 135, 136, AND 137...
The National Weather Service in Glasgow has issued a Red Flag
Warning, which is in effect from 11 AM to 8 PM MDT Monday. The
Fire Weather Watch is no longer in effect.
* AFFECTED AREA...Northeast Montana.
* WIND...Northwest 20 to 30 mph with gusts up to 45 mph.
* HUMIDITY...As low as 15 percent.
* IMPACTS...Any fires that develop will likely spread rapidly,
particularly for grassland areas. Outdoor burning is not
recommended.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Please advise the appropriate officials or fire crews in these
areas of this Red Flag Warning.
&&
$$
Office: HLN
Office: FCA
Office: TFX
Office: BYZ
WWUS85 KBYZ 101802
RFWBYZ
URGENT - FIRE WEATHER MESSAGE
National Weather Service Billings MT
1202 PM MDT Sun May 10 2026
MTZ130-132-133-111815-
/O.NEW.KBYZ.FW.W.0003.260511T1500Z-260512T0300Z/
Northern Rosebud/Northern Treasure Counties-Custer County-
Sioux Ranger District Custer National Forest-
1202 PM MDT Sun May 10 2026
...RED FLAG WARNING IN EFFECT FROM 9 AM TO 9 PM MDT MONDAY...
The National Weather Service in Billings has issued a Red Flag
Warning...which is in effect from 9 AM to 9 PM MDT Monday.
* IMPACTS: Low humidities, hot temperatures, strong gusty winds,
and wind shift with a cold front could create erratic fire
behavior.
* AFFECTED AREA:
In Southeast MT Fire Zones...130...132.
In Southeast MT and Northwest SD Fire Zone...133.
The worst conditions exist along and north of
Interstate 94 and US Highway 12.
* COUNTIES AFFECTED:
In Northwest SD...Harding.
In Southeast MT...Carter...Custer...Fallon...Rosebud...Treasure.
* COLD FRONT: A cold front will shift winds from the south to the
northwest during the day Monday.
* WIND: Northwest 15 to 25 mph with gusts to 40 mph.
* HUMIDITY: As low as 15 percent.
* TEMPERATURES: Up to 83 degrees.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong
winds, low relative humidity, and warm temperatures can contribute
to extreme fire behavior.
&&
$$
http://weather.gov/Billings
NWUS55 KBYZ 092312
LSRBYZ
Preliminary Local Storm Report
National Weather Service Billings MT
512 PM MDT Sat May 9 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0400 PM Non-Tstm Wnd Gst 3 SE Aberdeen 45.03N 107.32W
05/09/2026 M54 MPH Big Horn MT Mesonet
Mesonet station MTABR 2.5 SE Aberdeen (MT
DOT).
0448 PM Non-Tstm Wnd Gst 2 SSW Sheridan 44.77N 106.97W
05/09/2026 M50 MPH Sheridan WY ASOS
ASOS station KSHR Sheridan.
&&
$$
Office: MSO
FLUS45 KMSO 100621
AFPMSO
Area Forecast for Montana west of the Continental Divide
National Weather Service Missoula MT
1221 AM MDT Sun May 10 2026
MTZ001>007-043-110300-
West of the Continental Divide-
National Weather Service Missoula MT
1221 AM MDT Sun May 10 2026
.TODAY...Partly cloudy. Highs in the upper 70s to mid 80s.
.TONIGHT...Mostly cloudy. Lows in the 40s.
.MONDAY...Partly cloudy in the morning then becoming mostly
clear. Highs in the 70s to lower 80s.
.TUESDAY...Mostly clear. Lows in the upper 30s to mid 40s. Highs
in the 80s.
.WEDNESDAY...Partly cloudy. Chance of rain showers. Lows in the
40s to lower 50s. Highs in the upper 70s to mid 80s.
.THURSDAY...Mostly cloudy. Chance of rain showers. Lows in the
40s. Highs in the upper 60s to mid 70s.
$$
Office: RIW
NWUS55 KRIW 091919
LSRRIW
Preliminary Local Storm Report
National Weather Service Riverton WY
119 PM MDT Sat May 9 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1211 PM Landspout 6 NNW Ten Sleep 44.12N 107.48W
05/09/2026 Washakie WY Cocorahs
Video of rope landspout over open country
north of Ten Sleep.
&&
$$
CNJ
