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Weather & Climate in Alliance, NE
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Alliance experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 26°F in January while summers reach 73°F in July. The area gets 261 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 3,970 feet.
Temperature
26°F Jan (-4°C)
73°F Jul (23°C)
| Annual Average | 47.8°F |
| 11% below US avg | |
| January Average | 26°F (-4°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 261 days/yr |
Geography
| Elevation | 3,970 ft (1,210 m) |
| Area | 4.9 sq mi (12.7 km²) |
| Population Density | 1,654/sq mi |
| Coordinates | 42.1026°N, 102.8762°W |
| Timezone | America/Chicago |
| County | Sheridan County County |
| Nearest Airport | Western Nebraska Regional/William B Heilig Field (BFF) 40 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 13.4 / 100 |
| Social Vulnerability | 57.5 / 100 |
| Community Resilience | 20.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
17 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| Jan 28, 1990 | 8 km N of Manderson-White Horse Creek, South Dakota | M4.0 | 138 km | 5 km |
| May 25, 2003 | 10 km SSW of Martin, South Dakota | M4.0 | 141 km | 5 km |
| Apr 9, 1996 | 34 km SW of Edgemont, South Dakota | M3.7 | 147 km | 5 km |
| Oct 18, 2012 | 28 km NW of Hyannis, Nebraska | M3.6 | 77 km | 5 km |
| Mar 26, 2021 | 10 km E of Edgemont, South Dakota | M3.4 | 150 km | 5 km |
| Mar 2, 1990 | 7 km N of Manderson-White Horse Creek, South Dakota | M3.2 | 137 km | 5 km |
| May 3, 1996 | 32 km SSW of Edgemont, South Dakota | M3.1 | 141 km | 5 km |
| Feb 20, 1993 | 21 km WSW of Cody, Nebraska | M3.1 | 142 km | 5 km |
| Jun 18, 1998 | 23 km S of Chadron, Nebraska | M3.1 | 59 km | 5 km |
| Nov 2, 1992 | 5 km ESE of Lusk, Wyoming | M3.0 | 143 km | 5 km |
| Sep 30, 1990 | 29 km SE of Hyannis, Nebraska | M3.0 | 118 km | 5 km |
| Mar 10, 2011 | 22 km N of Van Tassell, Wyoming | M2.9 | 130 km | 5 km |
| Jul 17, 2016 | 15 km NNE of Oelrichs, South Dakota | M2.8 | 136 km | 5 km |
| Apr 24, 2007 | 23 km WSW of Hay Springs, Nebraska | M2.7 | 54 km | 5 km |
| Jul 7, 2024 | 11 km NNW of Merriman, Nebraska | M2.6 | 138 km | 11 km |
| Feb 27, 2021 | 13 km WNW of Crawford, Nebraska | M2.6 | 88 km | 5 km |
| Aug 6, 2012 | 21 km WNW of Mullen, Nebraska | M2.5 | 131 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
326 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 2 fatalities, 53 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 27, 1955 | EF4 | 79 km | 26.0 mi | 2 |
| Jun 4, 1994 | EF3 | 53 km | 12.0 mi | 0 |
| May 5, 1993 | EF3 | 45 km | 13.0 mi | 0 |
| Jun 9, 1991 | EF3 | 63 km | 3.5 mi | 0 |
| May 27, 1985 | EF3 | 75 km | 48.0 mi | 0 |
| Jul 20, 1978 | EF3 | 93 km | 53.2 mi | 0 |
| Jun 20, 1960 | EF3 | 91 km | 26.1 mi | 0 |
| Jun 23, 2023 | EF2 | 70 km | 2.5 mi | 0 |
| Jul 2, 2020 | EF2 | 49 km | 3.4 mi | 0 |
| Jun 12, 2017 | EF2 | 50 km | 31.7 mi | 0 |
| Jul 26, 2016 | EF2 | 92 km | 1.0 mi | 0 |
| Jun 28, 2016 | EF2 | 86 km | 1.0 mi | 0 |
| Jun 27, 2005 | EF2 | 76 km | 17.0 mi | 0 |
| Jun 20, 2003 | EF2 | 95 km | 1.5 mi | 0 |
| May 21, 1998 | EF2 | 92 km | 4.0 mi | 0 |
| Jul 6, 1994 | EF2 | 48 km | 6.0 mi | 0 |
| Jul 26, 1993 | EF2 | 72 km | 3.8 mi | 0 |
| Jun 20, 1983 | EF2 | 77 km | 0.3 mi | 0 |
| Jun 4, 1982 | EF2 | 49 km | 0.8 mi | 0 |
| May 23, 1982 | EF2 | 52 km | 0.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: WELLNITZ (77,277 acres, 2012).
| Year | Name | Acres Burned | Distance |
| 2012 | WELLNITZ | 77,277 | 100 km |
| 2012 | WEST ASH | 55,228 | 69 km |
| 1989 | FT.ROBINSON | 46,887 | 87 km |
| 2012 | DOUTHIT | 29,036 | 96 km |
| 2006 | DAWES COUNTY COMPLEX | 27,923 | 68 km |
| 2022 | CARTER CANYON | 15,828 | 86 km |
| 2012 | TURNER TATANKA | 15,749 | 78 km |
| 1989 | MORRILL CO | 14,497 | 37 km |
| 1996 | UNNAMED | 14,279 | 84 km |
| 2012 | JEFFRIES | 8,853 | 60 km |
| 2024 | SCHIFF | 6,714 | 31 km |
| 2000 | DRYWELLS | 6,492 | 88 km |
| 2021 | HACKBERRY CA | 6,367 | 76 km |
| 1999 | UNNAMED | 6,239 | 14 km |
| 2019 | RED KATE | 6,115 | 68 km |
| 2021 | POST CA | 5,546 | 72 km |
| 2012 | UNNAMED | 5,308 | 36 km |
| 2012 | UNNAMED | 4,792 | 21 km |
| 1998 | SUGARLOAF | 4,075 | 66 km |
| 1988 | UNNAMED | 4,047 | 62 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 26°F (-4°C) | 0.4 in | Coldest |
| February | 30°F (-1°C) | 0.4 in | Driest |
| March | 37°F (3°C) | 0.8 in | |
| April | 46°F (8°C) | 1.8 in | |
| May | 56°F (14°C) | 3.1 in | Wettest |
| June | 67°F (19°C) | 2.8 in | |
| July | 73°F (23°C) | 2.2 in | Warmest |
| August | 72°F (22°C) | 1.6 in | |
| September | 61°F (16°C) | 1.4 in | |
| October | 49°F (9°C) | 0.9 in | |
| November | 35°F (2°C) | 0.6 in | |
| December | 27°F (-3°C) | 0.4 in |
Alliance has a seasonal temperature swing of 48°F / from 26°F in January to 73°F in July. Total annual precipitation is 16.2 inches, with May being the wettest month (3.1") and February the driest (0.4").