Weather & Climate in Gibson Flats, MT

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

Gibson Flats experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 27°F in January while summers reach 70°F in July. The area gets 273 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 15.4 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 3,356 feet.

Temperature

27°F Jan (-3°C) 70°F Jul (21°C)

Annual Average	47.0°F
	13% below US avg
January Average	27°F (-3°C)
July Average	70°F (21°C)
Sunny Days	273 days/yr

Geography

Elevation	3,356 ft (1,023 m)
Area	3.0 sq mi (7.8 km²)
Population Density	61/sq mi
Coordinates	47.4640°N, 111.2404°W
Timezone	America/Denver
County	Cascade County County
Nearest Airport	Great Falls International (GTF) 6 miles away

Precipitation & Snow

Annual Rainfall 15.4"

59% below US avg

Wettest Month (May) 2.76"

Driest Month (Feb) 0.55"

Air Quality

AQI Median	26.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	83.1 / 100
Social Vulnerability	27.1 / 100
Community Resilience	76.3 / 100

Hazard Breakdown

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

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

Earthquake History

288 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.

Jul 6, 2017	11 km SE of Lincoln, Montana	M5.8	120 km	12 km
Jul 6, 2017	15 km S of Lincoln, Montana	M5.0	130 km	15 km
Jul 6, 2017	14 km SE of Lincoln, Montana	M4.4	120 km	10 km
Jan 30, 2016	19 km E of Lincoln, Montana	M4.3	106 km	2 km
Apr 8, 2000	8 km ENE of Townsend, Montana	M4.1	125 km	5 km
Jul 6, 2017	14 km SSE of Lincoln, Montana	M4.0	124 km	9 km
Jul 19, 2002	43 km NE of Seeley Lake, Montana	M4.0	136 km	25 km
Nov 10, 2000	14 km NE of Townsend, Montana	M4.0	119 km	2 km
Jul 17, 2017	12 km ESE of Lincoln, Montana	M4.0	117 km	13 km
Apr 1, 1993	15 km E of Lincoln, Montana	M3.9	109 km	5 km
Feb 6, 1999	24 km E of Townsend, Montana	M3.9	123 km	1 km
Oct 19, 2017	12 km SE of Lincoln, Montana	M3.9	118 km	4 km
Aug 16, 1994	27 km W of Chester, Montana	M3.9	114 km	5 km
Jun 2, 1996	37 km N of Ovando, Montana	M3.9	137 km	5 km
Mar 13, 2017	4 km ESE of Avon, Montana	M3.8	140 km	20 km
Jun 1, 1996	23 km N of Ovando, Montana	M3.8	148 km	10 km
Jul 5, 2024	24 km ENE of Seeley Lake, Montana	M3.8	149 km	22 km
Apr 17, 2018	13 km ESE of Lincoln, Montana	M3.8	116 km	14 km
Jan 16, 2011	10 km ENE of Marysville, Montana	M3.7	103 km	15 km
Feb 3, 2019	9 km S of Lincoln, Montana	M3.7	127 km	5 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: EF2. Total: 6 injuries.

Date	Rating	Distance	Path	Fatalities
Apr 24, 1994	EF2	82 km	1.5 mi	0
Apr 24, 1994	EF2	82 km	1.0 mi	0
Jun 8, 1976	EF2	88 km	0.1 mi	0
Jun 30, 1975	EF2	46 km	0.1 mi	0
Jul 2, 1966	EF2	80 km	0.8 mi	0
Jul 10, 1965	EF2	97 km	2.0 mi	0
Jun 16, 2007	EF1	75 km	5.3 mi	0
Apr 22, 2003	EF1	84 km	2.0 mi	0
Jul 3, 1998	EF1	26 km	0.5 mi	0
Jun 19, 1998	EF1	51 km	1.0 mi	0
Jul 5, 1988	EF1	22 km	0.2 mi	0
Jun 1, 1980	EF1	41 km	0.1 mi	0
Jul 3, 1978	EF1	25 km	1.0 mi	0
Jul 3, 1978	EF1	25 km	1.0 mi	0
Jul 3, 1978	EF1	25 km	1.0 mi	0
Jun 1, 1977	EF1	44 km	0.1 mi	0
Jul 10, 1965	EF1	50 km	0.2 mi	0
Jul 2, 1964	EF1	59 km	27.0 mi	0
Jun 22, 1962	EF1	52 km	0.1 mi	0
Jun 29, 1961	EF1	13 km	0.1 mi	0

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

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: HARRIS MTN (31,792 acres, 2021).

Year	Name	Acres Burned	Distance
2021	HARRIS MTN	31,792	51 km
2017	ALICE CREEK	29,971	97 km
1984	NORTH HILL	27,162	88 km
2000	CANYON FERRY COMPLEX (CAVE GULCH)	26,997	90 km
1990	TURKEY	25,658	92 km
2007	MERIWETHER	18,865	79 km
1990	BEARTOOTH COMPLEX	13,462	70 km
2009	MEISSNER	12,318	73 km
1985	SANDPOINT	10,439	94 km
1993	FREEZEOUT LAKE	9,793	73 km
2021	BALSINGER	8,317	58 km
2009	INDIAN TRAIL	4,592	75 km
2020	YOGO	4,429	82 km
2008	CHOUTEAU CO COMPLEX	4,365	82 km
2019	NORTH HILLS	4,149	94 km
2019	STUCKEY RD MA	4,073	16 km
1991	POWER	3,822	42 km
2002	PISHKUN	3,450	90 km
2012	MISSION ROAD	3,372	61 km
2008	UNIT 3 MARSH HAZ FUEL REDUCTION	3,333	24 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	27°F (-3°C)	0.7 in
February	28°F (-2°C)	0.6 in	Driest
March	35°F (2°C)	1.1 in
April	44°F (7°C)	1.5 in
May	53°F (12°C)	2.8 in	Wettest
June	61°F (16°C)	2.4 in
July	70°F (21°C)	1.5 in	Warmest
August	67°F (20°C)	1.6 in
September	57°F (14°C)	1.4 in
October	47°F (8°C)	1.0 in
November	34°F (1°C)	0.7 in
December	26°F (-4°C)	0.7 in	Coldest

Gibson Flats has a seasonal temperature swing of 45°F / from 26°F in December to 70°F in July. Total annual precipitation is 15.9 inches, with May being the wettest month (2.8") and February the driest (0.6").

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