Mosby, Montana

9 topographic sheets cover this place, the earliest surveyed in 1954 and the latest in 1983. It stands in the South Garfield census division. It lies in ZIP code area 59058. It stands on Sage Hen Creek. The Survey maps it on the Mosby quadrangle. It stands 2,513 feet above sea level.

Mosby within Garfield County

Topographic sheets covering this place

6 surveys from 9 printed sheets

Matched by testing this settlement's coordinate against the published boundary of every sheet in the United States Geological Survey's historical collection. Each opens the scanned sheet at the Survey.

1954 USGS Forsyth quadrangle1:250000, 3 printings
1957 USGS Forsyth quadrangle1:250000
1958 USGS Forsyth quadrangle1:250000
1962 USGS Mosby quadrangle1:24000, 2 printings
1979 USGS Melstone quadrangle1:100000
1983 USGS Forsyth quadrangle1:250000

Fires near this place

10 since 1997

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 10 fires within 5 miles of Mosby between 1997 and 2017, burning about 150 acres in total. 8 started naturally. None was recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.

Reported cause	Fires
Natural	8
Equipment and vehicle use	1
Debris and open burning	1

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

Date	Cause	Size	Reported by	Name on the report
4 September 2017	Equipment and vehicle use	2.0 acres	Miles City Field Office	DOG CREEK
27 July 2017	Natural	under an acre	Miles City Field Office	FORT
27 July 2001	Natural	3.0 acres	Miles City Field Office	SAGE HEN
25 July 2008	Natural	under an acre	Miles City Field Office	SAGE HEN
11 July 2006	Natural	under an acre	Miles City Field Office	JACKSON COULEE
25 June 2010	Natural	2.0 acres	Miles City Field Office	JACKSON
24 June 1999	Natural	5.0 acres	Miles City Field Office	JACKSON CO
17 June 1997	Natural	100 acres	North Central Montana District	MOSBY

Settlements close enough to share some of these fires:

McTwiggan (historical)

Every fire recorded in Garfield County

Storms near this place

36 since 1994

Regional context, not property-specific evidence. The National Weather Service names Mosby in 36 storm reports between 1994 and 2025: 18 hail, 9 thunderstorm wind, 5 flood, 2 wildfire. The reports record 1 injury. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

When	Event	Place named	Harm	What the report says
July 2007	Hail	Mosby	1 hurt	A woman was caught outside and received several bruises.
June 2025	Thunderstorm Wind	Mosby	-	Mosby SE Mesonet site (Montana Climate Office).
June 2025	Thunderstorm Wind	Mosby	-	Wind gust reported by mesonet observation southeast of Mosby.
June 2023	Flood	Mosby	-	The Musselshell River at Mosby (MSBM8) rose above flood stage of 10 feet at 2:14 PM on June 2nd. The river briefly dropped below flood stage at 7:42 PM on June 2nd, before rising back above flood stage at 3:30 AM on June 3rd. The river crested at 11.71 feet at 7:19 AM on June 3rd. The river would fall below flood stage at 10:23 AM on June 3rd.
June 2023	Flood	Mosby	-	The Musselshell River at Mosby (MSBM8) rose above its flood stage of 10 feet at 11:13 AM on June 9th. The river crested at 10.68 feet at 1:31 PM. The river would briefly go below flood stage at 5:42 PM on June 9th before rising back above flood stage at 6:42 PM on June 9th. The river would eventually fall below flood stage at 9:24 PM on June 9th.
July 2022	Hail	Mosby	-	A trained spotter reported hail up to the size of quarters.
July 2022	Hail	Mosby	-	A trained spotter reported hail up to the size of quarters.
July 2022	Thunderstorm Wind	Mosby	-	A trained spotter reported a fence blown down on his property.
August 2021	Hail	Mosby	-	A trained spotter reported quarter size hail that accumulated up to an inch deep on the ground.
June 2016	Hail	Mosby	-	Off-duty NWS Employee reported ping pong ball sized hail.
June 2016	Thunderstorm Wind	Mosby	-	Off-duty NWS Employee estimated 65 mph wind gusts.
July 2015	Hail	Mosby	-	Co-op observer reported nickel-sized hail with heavy rain and wind gusts up to 30 mph.
August 2013	Hail	Mosby	-	Public reported half dollars sized hail and wind gusts up to 50 mph.
August 2013	Hail	Mosby	-	Trained spotter reported 1.10 inches of rain in 10 minutes and quarter-sized hail.
May 2011	Flood	Mosby	-	The Musselshell River at Mosby reached close to 16 feet on May 23rd (the second highest stage ever), 8 feet above flood stage. Most of these creeks remained high or out of their banks until the end of June.
February 2011	Flood	Mosby	-	Snowmelt and ice jams contributed to unusually high levels on the Musselshell River. The river flooded homes and closed roads for several weeks. The Musselshell River at Mosby was above flood stage between February 13 and 19 peaking at 13.37 feet on the 15th. It was the highest stage recorded at the site since March 1994.
June 2011	Flood	Mosby	-	The Musselshell River remained out of its banks through much of June as heavy rainfalls downstream caused significant flash flooding. Flatwillow Creek was a major tributary to the flooding, with McDonald and Box Elder Creeks contributing lesser amounts.
June 2010	Hail	Mosby	-	Spotter reported quarter size hail.
June 2010	Heavy Rain	Mosby	-	Water was ponding around the area. Small hail also accompanied the rainfall.
July 2009	Thunderstorm Wind	Mosby	-	Spotter estimated strong winds to be between 50 and 60 mph.
July 2007	Hail	Mosby	-	The hail ranged in size from marble to ping pong size. The wind was estimated at 40 to 50 mph.
August 2010	Hail	Mosby	-	no account filed
June 2005	Thunderstorm Wind	Mosby	-	no account filed
July 2003	Wildfire	Mosby	-	no account filed
July 2003	Wildfire	Mosby	-	no account filed
March 2003	Flash Flood	Mosby	-	no account filed
July 2002	Hail	Mosby	-	no account filed
June 2002	Hail	Mosby	-	no account filed
July 2002	Hail	Mosby	-	no account filed
July 2002	Thunderstorm Wind	Mosby	-	no account filed
July 2000	Thunderstorm Wind	Mosby	-	no account filed
July 2000	Hail	Mosby	-	no account filed
July 2000	Hail	Mosby	-	no account filed
July 2000	Hail	Mosby	-	no account filed
June 1997	Hail	Mosby	-	no account filed
June 1994	Thunderstorm Wind	Mosby	-	no account filed

Every storm recorded in Garfield County

Nearest settlements

The eight closest, with where each one stands in the county. Distances are straight-line, computed from the Geographic Names Information System coordinates.

Place	Distance	Sheets
McTwiggan (historical)	9.3 miles	7
Martin (historical)	9.4 miles	9
Chimney Crossing	14.1 miles	7
Ross Hall	15.3 miles	7
Alice (historical)	16.4 miles	8
Tindall (historical)	18.2 miles	7
Benzien	21.1 miles	7
Sand Springs	22.4 miles	7

Elsewhere

Matched on this settlement's Geographic Names Information System number rather than its name, so it cannot be a different place of the same name in another state.

Wikipedia article on Mosby	An encyclopaedic summary. Its text is share-alike, so it is linked here rather than copied.
Wikidata item Q6915376	The structured record the population and elevation above come from. Public domain (CC0).

Provenance

This settlement is recorded in the Geographic Names Information System as feature 774406. The sheet list is computed by point-in-boundary test against the United States Geological Survey's historical topographic inventory. Both are works of the United States government and carry no copyright under 17 U.S.C. 105.

Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.

Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.