Weather & Climate in Alpine Northeast, WY

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

Alpine Northeast has a cool climate with an average annual temperature of 43°F (6°C). Winters average 21°F in January while summers reach 65°F in July. The area gets 291 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 20.1 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 34. The city sits at an elevation of 6,532 feet.

Temperature

21°F Jan (-6°C) 65°F Jul (19°C)

Annual Average	42.6°F
	21% below US avg
January Average	21°F (-6°C)
July Average	65°F (19°C)
Sunny Days	291 days/yr

Geography

Elevation	6,532 ft (1,991 m)
Area	1.9 sq mi (5.0 km²)
Population Density	68/sq mi
Coordinates	43.1938°N, 111.0072°W
Timezone	America/Denver
County	Bonneville County County
Nearest Airport	Jackson Hole (JAC) 32 miles away

Precipitation & Snow

Annual Rainfall 20.1"

47% below US avg

Wettest Month (May) 2.24"

Driest Month (Jul) 1.22"

Air Quality

AQI Median	34.0
Rating	Good

Natural Hazard Risk

Overall Risk	Relatively Moderate
Risk Score	82.4 / 100
Social Vulnerability	12.2 / 100
Community Resilience	92.4 / 100

Hazard Breakdown

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

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

Earthquake History

1,397 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.

Feb 3, 1994	4 km SSE of Auburn, Wyoming	M5.8	48 km	8 km
Apr 21, 2001	29 km WSW of Freedom, Idaho	M5.3	43 km	1 km
Sep 2, 2017	12 km E of Soda Springs, Idaho	M5.3	71 km	10 km
Sep 10, 2017	9 km NNW of Georgetown, Idaho	M5.0	78 km	10 km
Jan 7, 2004	20 km ESE of Kelly, Wyoming	M5.0	66 km	3 km
Feb 11, 1994	3 km SSE of Auburn, Wyoming	M4.8	48 km	5 km
Aug 27, 2016	4 km ENE of Bondurant, Wyoming	M4.8	53 km	12 km
Aug 5, 2010	19 km E of Kelly, Wyoming	M4.8	67 km	5 km
Feb 4, 1994	4 km WNW of Fairview, Wyoming	M4.7	54 km	5 km
Sep 3, 2017	10 km E of Soda Springs, Idaho	M4.7	73 km	8 km
Sep 3, 2017	15 km ESE of Soda Springs, Idaho	M4.7	73 km	10 km
Sep 11, 2017	9 km NW of Georgetown, Idaho	M4.7	80 km	8 km
Dec 28, 1993	38 km NE of Bondurant, Wyoming	M4.7	78 km	8 km
Sep 10, 2017	12 km ESE of Soda Springs, Idaho	M4.7	75 km	5 km
Sep 6, 2017	11 km NNW of Georgetown, Idaho	M4.6	78 km	10 km
Sep 4, 2017	13 km ESE of Soda Springs, Idaho	M4.5	73 km	6 km
Feb 7, 1994	4 km SW of Fairview, Wyoming	M4.5	60 km	5 km
Feb 3, 1994	13 km WSW of Auburn, Wyoming	M4.4	53 km	5 km
Nov 10, 1992	32 km WNW of Freedom, Idaho	M4.4	35 km	10 km
Feb 10, 1994	3 km WSW of Auburn, Wyoming	M4.4	46 km	5 km

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

Tornado History

35 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 2 injuries.

Date	Rating	Distance	Path	Fatalities
Jul 21, 1987	EF4	96 km	24.3 mi	0
Jun 12, 2022	EF2	59 km	2.1 mi	0
Apr 7, 1978	EF2	89 km	1.5 mi	0
Sep 4, 2016	EF1	63 km	2.4 mi	0
Feb 14, 2000	EF1	92 km	12.0 mi	0
Feb 14, 2000	EF1	96 km	9.0 mi	0
Jun 2, 1992	EF1	99 km	0.5 mi	0
Jun 4, 1991	EF1	79 km	0.2 mi	0
Apr 17, 1988	EF1	79 km	0.5 mi	0
May 15, 1984	EF1	91 km	8.0 mi	0
Apr 21, 1981	EF1	95 km	1.1 mi	0
Jul 24, 1980	EF1	52 km	0.1 mi	0
Jul 8, 1980	EF1	82 km	0.1 mi	0
Jun 20, 1977	EF1	97 km	2.0 mi	0
Jul 30, 1975	EF1	79 km	0.1 mi	0
Mar 13, 1959	EF1	91 km	0.4 mi	0
Jun 23, 2023	EF0	84 km	0.2 mi	0
Jun 2, 2019	EF0	64 km	1.0 mi	0
Nov 17, 2017	EF0	78 km	5.0 mi	0
Jul 31, 2016	EF0	73 km	1.7 mi	0

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

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Hell's Half Acre (122 km).

Name	Type	Elevation	Last Eruption	Distance
Hell's Half Acre	Shield	1,631 m (5,351 ft)	-3250	122 km
Yellowstone	Caldera(s)	2,805 m (9,203 ft)	-1350	140 km
Wapi Lava Field	Shield	1,604 m (5,262 ft)	-300	183 km

Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: FONTENELLE (58,125 acres, 2012).

Year	Name	Acres Burned	Distance
2012	FONTENELLE	58,125	84 km
2018	ROOSEVELT	55,330	53 km
2016	HENRYS CREEK	52,988	68 km
2016	CLIFF CREEK	36,131	52 km
1992	SAGEHEN	26,663	88 km
2016	BERRY	20,783	98 km
2006	PURDY	18,653	87 km
2012	RIDGE TOP	17,793	93 km
2008	NEW FORK	14,481	94 km
2011	RED ROCK COMPLEX	10,046	67 km
2016	LONE PINE	9,009	96 km
2005	SAWMILL	8,694	95 km
2007	HORSE CREEK	8,149	56 km
1988	TRAIL CREEK	7,965	21 km
2000	BLIND TRAIL	7,758	32 km
1991	DRY COTTONWOOD	6,996	79 km
2007	BLACK HAWK	6,407	77 km
2018	MARTEN CREEK	6,383	61 km
1991	GARDEN PK	5,649	85 km
2010	BULL	5,496	41 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	21°F (-6°C)	2.1 in
February	20°F (-7°C)	1.6 in
March	27°F (-3°C)	1.5 in
April	36°F (2°C)	1.6 in
May	45°F (7°C)	2.2 in	Wettest
June	54°F (12°C)	1.9 in
July	65°F (19°C)	1.2 in	Warmest, Driest
August	60°F (15°C)	1.4 in
September	51°F (11°C)	1.7 in
October	41°F (5°C)	1.5 in
November	28°F (-2°C)	1.8 in
December	19°F (-8°C)	1.9 in	Coldest

Alpine Northeast has a seasonal temperature swing of 47°F / from 19°F in December to 65°F in July. Total annual precipitation is 20.4 inches, with May being the wettest month (2.2") and July the driest (1.2").

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