Weather & Climate in Lodge Grass, MT

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Lodge Grass experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 24°F in January while summers reach 71°F in July. The area gets 311 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 16.5 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 26 / among the cleanest air in the country. The city sits at an elevation of 3,385 feet.

Temperature

24°F Jan (-4°C) 71°F Jul (22°C)

Annual Average	46.0°F
	15% below US avg
January Average	24°F (-4°C)
July Average	71°F (22°C)
Sunny Days	311 days/yr

Geography

Elevation	3,385 ft (1,032 m)
Area	0.3 sq mi (0.7 km²)
Population Density	1,919/sq mi
Coordinates	45.3143°N, 107.3678°W
Timezone	America/Denver
County	Big Horn County County
Nearest Airport	Sheridan County (SHR) 42 miles away

Precipitation & Snow

Annual Rainfall 16.5"

57% below US avg

Wettest Month (May) 2.68"

Driest Month (Feb) 0.71"

Air Quality

AQI Median	26.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Low
Risk Score	57.2 / 100
Social Vulnerability	94.2 / 100
Community Resilience	4.8 / 100

Hazard Breakdown

Tornado	Very Low
Earthquake	Very Low
Wildfire	Relatively Moderate
Flood	Relatively Low
Hail	Relatively Low
Strong Wind	Relatively High
Heat Wave	Very Low
Winter Weather	Relatively High
Lightning	Relatively High
Ice Storm	Very Low
Drought	Relatively Low
Cold Wave	Relatively Moderate
Landslide	Relatively Low
Volcano	Very Low
Avalanche	Very Low

Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

20 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.

Aug 22, 2009	20 km SSE of Birney, Montana	M4.0	74 km	14 km
Feb 25, 1993	31 km N of Arvada, Wyoming	M3.9	111 km	5 km
Dec 23, 1991	10 km SW of Colstrip, Montana	M3.6	76 km	5 km
Jul 6, 2021	27 km SSE of Melstone, Montana	M3.6	121 km	10 km
Nov 3, 1999	8 km NNW of Broadus, Montana	M3.5	150 km	10 km
Jul 21, 2023	Eastern Montana	M3.2	118 km	5 km
Feb 13, 1998	12 km NE of Hyattville, Wyoming	M3.0	110 km	5 km
Mar 2, 2014	9 km SE of Washakie Ten, Wyoming	M2.9	146 km	0 km
Feb 22, 1992	30 km E of Buffalo, Wyoming	M2.9	138 km	5 km
May 25, 2018	45 km W of Biddle, Montana	M2.9	116 km	16 km
Mar 30, 2018	20 km NNE of Sheridan, Wyoming	M2.8	58 km	5 km
Mar 23, 2023	8 km S of Shell, Wyoming	M2.8	100 km	11 km
Jan 15, 2023	6 km NE of Ashland, Montana	M2.8	97 km	11 km
Aug 7, 2022	38 km N of Arvada, Wyoming	M2.8	110 km	11 km
May 19, 2017	6 km ESE of Birney, Montana	M2.7	73 km	3 km
May 30, 2018	10 km SW of Meadow Lark Lake, Wyoming	M2.6	134 km	14 km
Jun 2, 2019	14 km WSW of Birney, Montana	M2.6	53 km	5 km
Apr 22, 2018	8 km ENE of Ashland, Montana	M2.6	99 km	5 km
Jan 6, 2016	27 km ENE of Lovell, Wyoming	M2.6	69 km	12 km
Mar 31, 2009	36 km NNE of Arvada, Wyoming	M2.6	116 km	17 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

41 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 1 fatality, 4 injuries.

Date	Rating	Distance	Path	Fatalities
Aug 2, 1985	EF3	71 km	0.2 mi	0
Jun 26, 1959	EF2	92 km	9.2 mi	1
Jun 3, 1958	EF2	93 km	0.2 mi	0
Jun 7, 2018	EF1	55 km	0.8 mi	0
Jun 21, 2010	EF1	92 km	1.0 mi	0
Jun 6, 1997	EF1	99 km	1.0 mi	0
Jun 22, 1996	EF1	52 km	4.0 mi	0
Jul 9, 1991	EF1	50 km	0.1 mi	0
Jun 21, 1991	EF1	59 km	0.2 mi	0
Jun 21, 1984	EF1	57 km	2.0 mi	0
Jun 21, 1984	EF1	11 km	1.0 mi	0
Jun 15, 1984	EF1	48 km	1.0 mi	0
Jul 24, 1981	EF1	96 km	0.1 mi	0
Jun 18, 1978	EF1	88 km	0.1 mi	0
Jul 20, 1974	EF1	80 km	0.1 mi	0
Jun 20, 1974	EF1	95 km	0.1 mi	0
Jun 11, 1968	EF1	71 km	0.3 mi	0
Jun 7, 1968	EF1	82 km	0.3 mi	0
Jul 6, 1955	EF1	96 km	2.0 mi	0
May 24, 2014	EF0	95 km	0.8 mi	0

Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: REMINGTON (192,577 acres, 2024).

Year	Name	Acres Burned	Distance
2024	REMINGTON	192,577	88 km
2021	RICHARD SPRING	168,765	79 km
2012	CHALKY	132,680	66 km
2006	PINE RIDGE COMPLEX	103,074	82 km
2017	DEER CREEK	90,147	81 km
2012	SARPY HILLS COMPLEX	83,942	38 km
2021	P F	66,375	56 km
2000	STAG	62,381	88 km
1994	BABY DEAN	61,955	50 km
2020	SARPY	51,619	48 km
2006	BUFFALO CREEK	37,630	97 km
2017	WITTEN	27,938	59 km
2003	LITTLEHAWK	27,926	49 km
2020	WADDLE CREEK	25,809	82 km
1988	EARLYBIRD	21,730	77 km
2011	BLACK SPRINGS COMPLEX	19,473	57 km
2024	MCGHEE	19,161	64 km
2020	RICE	15,883	97 km
1988	KIRBY	14,253	49 km
1994	BARREL SPR	13,526	97 km

Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	24°F (-4°C)	0.9 in
February	26°F (-3°C)	0.7 in	Driest
March	35°F (2°C)	1.1 in
April	44°F (7°C)	2.0 in
May	54°F (12°C)	2.7 in	Wettest
June	63°F (17°C)	2.5 in
July	71°F (22°C)	1.1 in	Warmest
August	69°F (21°C)	0.9 in
September	59°F (15°C)	1.7 in
October	47°F (9°C)	1.4 in
November	33°F (1°C)	1.0 in
December	24°F (-5°C)	0.8 in	Coldest

Lodge Grass has a seasonal temperature swing of 47°F / from 24°F in December to 71°F in July. Total annual precipitation is 16.9 inches, with May being the wettest month (2.7") and February the driest (0.7").

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