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Alpine Northwest, WY

Full City Profile · Wyoming · Bonneville County County

2.7 /5.0
C+ Fair
276 Population 232/sq mi density
43°F Avg Temperature 291 sunny days/yr
477 Violent Crime/100K 2,123 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
477 violent crimes/100K (26% above avg)
A
Education
4.5 / 5.0
43.3% bachelor's degree or higher
Alpine Northwest 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. Annual precipitation totals 20.1 inches. Air quality is rated Good with a median AQI of 34.

Temperature

21°F Jan (-6°C) 65°F Jul (19°C)
Annual Average42.6°F
21% below US avg
January Average21°F (-6°C)
July Average65°F (19°C)
Sunny Days291 days/yr

Geography

Elevation5,626 ft (1,715 m)
Area0.5 sq mi (1.4 km²)
Population Density232/sq mi
Coordinates43.1838°N, 111.0356°W
TimezoneAmerica/Denver
CountyBonneville County County
Nearest AirportJackson Hole (JAC)
33 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 Median34.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score82.4 / 100
Social Vulnerability12.2 / 100
Community Resilience92.4 / 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

1,382 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.8. Most recent: M3.0 on Jul 28, 2025.

Feb 3, 1994 4 km SSE of Auburn, Wyoming M5.8 47 km
Apr 21, 2001 29 km WSW of Freedom, Idaho M5.3 41 km
Sep 2, 2017 12 km E of Soda Springs, Idaho M5.3 69 km
Sep 10, 2017 9 km NNW of Georgetown, Idaho M5.0 76 km
Jan 7, 2004 20 km ESE of Kelly, Wyoming M5.0 68 km
Feb 11, 1994 3 km SSE of Auburn, Wyoming M4.8 47 km
Aug 27, 2016 4 km ENE of Bondurant, Wyoming M4.8 55 km
Aug 5, 2010 19 km E of Kelly, Wyoming M4.8 69 km
Feb 4, 1994 4 km WNW of Fairview, Wyoming M4.7 53 km
Sep 3, 2017 10 km E of Soda Springs, Idaho M4.7 70 km
Sep 3, 2017 15 km ESE of Soda Springs, Idaho M4.7 71 km
Sep 11, 2017 9 km NW of Georgetown, Idaho M4.7 78 km
Dec 28, 1993 38 km NE of Bondurant, Wyoming M4.7 80 km
Sep 10, 2017 12 km ESE of Soda Springs, Idaho M4.7 73 km
Sep 6, 2017 11 km NNW of Georgetown, Idaho M4.6 76 km
Sep 4, 2017 13 km ESE of Soda Springs, Idaho M4.5 71 km
Feb 7, 1994 4 km SW of Fairview, Wyoming M4.5 59 km
Feb 3, 1994 13 km WSW of Auburn, Wyoming M4.4 51 km
Nov 10, 1992 32 km WNW of Freedom, Idaho M4.4 33 km
Feb 10, 1994 3 km WSW of Auburn, Wyoming M4.4 45 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

36 tornadoes (EF0+) within 100 km since 1950. Strongest: EF4. Total: 2 injuries.

Date Rating Distance Fatalities
Jul 21, 1987 EF4 98 km 0
Jun 12, 2022 EF2 61 km 0
Apr 7, 1978 EF2 88 km 0
Sep 4, 2016 EF1 65 km 0
Feb 14, 2000 EF1 90 km 0
Feb 14, 2000 EF1 93 km 0
Jun 2, 1992 EF1 97 km 0
Jun 4, 1991 EF1 78 km 0
Apr 17, 1988 EF1 78 km 0
May 15, 1984 EF1 90 km 0
Apr 21, 1981 EF1 94 km 0
Jul 24, 1980 EF1 51 km 0
Jul 8, 1980 EF1 81 km 0
Jun 20, 1977 EF1 99 km 0
Jul 30, 1975 EF1 81 km 0
Mar 13, 1959 EF1 89 km 0
Jun 23, 2023 EF0 82 km 0
Jun 2, 2019 EF0 62 km 0
Nov 17, 2017 EF0 77 km 0
Jul 31, 2016 EF0 70 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Nearby Volcanoes

3 volcanoes within 200 km. Closest: Hell's Half Acre (120 km).

Name Type Elevation Last Eruption Distance
Hell's Half Acre Shield 1,631 m (5,351 ft) -3250 120 km
Yellowstone Caldera(s) 2,805 m (9,203 ft) -1350 142 km
Wapi Lava Field Shield 1,604 m (5,262 ft) -300 181 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Wildfire History

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

Year Name Acres Distance
2012 FONTENELLE 58,125 84 km
2018 ROOSEVELT 55,330 54 km
2016 HENRYS CREEK 52,988 66 km
2016 CLIFF CREEK 36,131 54 km
1992 SAGEHEN 26,663 86 km
2016 BERRY 20,783 99 km
2006 PURDY 18,653 90 km
2012 RIDGE TOP 17,793 90 km
2008 NEW FORK 14,481 96 km
2011 RED ROCK COMPLEX 10,046 69 km
1998 BUCKSKIN 10,032 98 km
2016 LONE PINE 9,009 93 km
2005 SAWMILL 8,694 93 km
2007 HORSE CREEK 8,149 57 km
1988 TRAIL CREEK 7,965 18 km
2000 BLIND TRAIL 7,758 33 km
1991 DRY COTTONWOOD 6,996 81 km
2007 BLACK HAWK 6,407 75 km
2018 MARTEN CREEK 6,383 61 km
1991 GARDEN PK 5,649 83 km
Source: NIFC/IRWIN (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 Northwest 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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