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Weather & Climate in Alzada, MT
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Alzada has a cool climate with an average annual temperature of 40°F (5°C). Winters average 16°F in January while summers reach 67°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 16.6 inches (drier than the 38-inch national average). The area receives 28.6 inches of snow annually, a moderate snowfall amount. 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 3,439 feet.
Temperature
16°F Jan (-9°C)
67°F Jul (20°C)
| Annual Average | 40.3°F |
| 25% below US avg | |
| January Average | 16°F (-9°C) |
| July Average | 67°F (20°C) |
| Sunny Days | 311 days/yr |
Geography
| Elevation | 3,439 ft (1,048 m) |
| Area | 0.5 sq mi (1.3 km²) |
| Population Density | 33/sq mi |
| Coordinates | 45.0205°N, 104.4128°W |
| Timezone | America/Denver |
| County | Carter County County |
| Nearest Airport | Northeast Wyoming Regional (GCC) 72 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 26.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 1.8 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 5.1 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
12 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Sep 25, 2009 | 15 km E of Alzada, Montana | M4.2 | 16 km | 5 km |
| Feb 25, 1993 | 31 km N of Arvada, Wyoming | M3.9 | 130 km | 5 km |
| Feb 6, 1996 | 13 km WNW of Hill City, South Dakota | M3.7 | 128 km | 5 km |
| Nov 3, 1999 | 8 km NNW of Broadus, Montana | M3.5 | 99 km | 10 km |
| Jun 29, 2024 | 22 km ESE of Hill View Heights, Wyoming | M3.0 | 146 km | 10 km |
| May 25, 2018 | 45 km W of Biddle, Montana | M2.9 | 119 km | 16 km |
| Aug 7, 2022 | 38 km N of Arvada, Wyoming | M2.8 | 129 km | 11 km |
| Sep 5, 1993 | 4 km NNW of Central City, South Dakota | M2.7 | 84 km | 5 km |
| Mar 31, 2009 | 36 km NNE of Arvada, Wyoming | M2.6 | 123 km | 17 km |
| Jul 29, 2013 | 18 km SE of Ekalaka, Montana | M2.6 | 84 km | 8 km |
| Nov 5, 1991 | 1 km ESE of Lead, South Dakota | M2.5 | 91 km | 0 km |
| Jan 24, 2004 | 8 km WSW of Green Valley, South Dakota | M2.5 | 149 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
122 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 6 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 7, 1969 | EF4 | 59 km | 1.8 mi | 0 |
| Jun 28, 2018 | EF3 | 52 km | 3.6 mi | 0 |
| Jun 17, 2014 | EF3 | 54 km | 10.0 mi | 0 |
| Jun 29, 1993 | EF3 | 78 km | 3.0 mi | 0 |
| Jun 25, 1975 | EF3 | 88 km | 11.5 mi | 0 |
| Jul 18, 1965 | EF3 | 83 km | 0.1 mi | 0 |
| Jul 12, 1965 | EF3 | 87 km | 20.8 mi | 0 |
| Jul 18, 1963 | EF3 | 77 km | 2.3 mi | 0 |
| Jul 6, 2020 | EF2 | 86 km | 5.1 mi | 0 |
| Jul 6, 2020 | EF2 | 85 km | 2.1 mi | 0 |
| Jun 28, 2018 | EF2 | 79 km | 7.1 mi | 0 |
| Jun 28, 2018 | EF2 | 60 km | 2.3 mi | 0 |
| Jun 28, 2018 | EF2 | 47 km | 6.6 mi | 0 |
| Jun 13, 2014 | EF2 | 36 km | 16.5 mi | 0 |
| Jun 21, 2010 | EF2 | 96 km | 0.5 mi | 0 |
| Jul 13, 2009 | EF2 | 48 km | 9.4 mi | 0 |
| Jul 12, 1993 | EF2 | 97 km | 2.0 mi | 0 |
| May 10, 1985 | EF2 | 95 km | 1.0 mi | 0 |
| May 31, 1984 | EF2 | 91 km | 0.5 mi | 0 |
| Jun 28, 1972 | EF2 | 76 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: KRAFT SPRINGS (66,292 acres, 2002).
| Year | Name | Acres Burned | Distance |
| 2002 | KRAFT SPRINGS | 66,292 | 75 km |
| 1988 | BREWER | 48,282 | 71 km |
| 2024 | SHORT DRAW | 33,733 | 97 km |
| 2024 | CONSTITUTION | 23,963 | 93 km |
| 2006 | THORN DIVIDE COMPLEX | 15,261 | 66 km |
| 2015 | SHEEP DRAW | 13,837 | 57 km |
| 2002 | GRIZZLY GULCH | 11,487 | 94 km |
| 2000 | CEDAR BUTTE | 9,154 | 40 km |
| 2024 | TRAVIN | 7,917 | 93 km |
| 1990 | RIDGE | 7,556 | 44 km |
| 2002 | POWNELL | 7,460 | 93 km |
| 2002 | HAIRY | 7,402 | 85 km |
| 2022 | FISH | 7,045 | 84 km |
| 2000 | CAMP CROOK COMPLEX | 6,927 | 71 km |
| 2012 | DUGAN | 6,688 | 89 km |
| 2016 | KARA CREEK | 6,543 | 74 km |
| 1999 | MILL IRON | 6,494 | 90 km |
| 2006 | HORSE CREEK 2 | 6,260 | 89 km |
| 1988 | NEW HAVEN | 6,118 | 47 km |
| 2000 | WOOD DRAW | 5,792 | 40 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 16°F (-9°C) | 0.4 in | Coldest, Driest |
| February | 26°F (-3°C) | 0.4 in | |
| March | 34°F (1°C) | 0.8 in | |
| April | 45°F (7°C) | 1.5 in | |
| May | 56°F (13°C) | 2.5 in | |
| June | 65°F (19°C) | 2.7 in | Wettest |
| July | 67°F (20°C) | 1.7 in | |
| August | 71°F (22°C) | 1.2 in | Warmest |
| September | 60°F (15°C) | 1.3 in | |
| October | 47°F (8°C) | 1.1 in | |
| November | 32°F (-0°C) | 0.6 in | |
| December | 22°F (-5°C) | 0.5 in |
Alzada has a seasonal temperature swing of 55°F / from 16°F in January to 71°F in August. Total annual precipitation is 14.6 inches, with June being the wettest month (2.7") and January the driest (0.4").