Weather & Climate in Broadus, MT
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Broadus experiences four distinct seasons with an average annual temperature of 48°F (9°C). Winters average 24°F in January while summers reach 75°F in July. Annual precipitation totals 14.9 inches (drier than the 38-inch national average). The area receives 29.0 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 3,031 feet.
Temperature
24°F Jan (-4°C)
75°F Jul (24°C)
| Annual Average | 48.2°F |
| 11% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 3,031 ft (924 m) |
| Area | 0.4 sq mi (0.9 km²) |
| Population Density | 1,217/sq mi |
| Coordinates | 45.4431°N, 105.4083°W |
| Timezone | America/Denver |
| County | Powder River County County |
| Nearest Airport | Northeast Wyoming Regional (GCC) 76 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 4.0 / 100 |
| Social Vulnerability | 16.3 / 100 |
| Community Resilience | 2.7 / 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
15 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 | 105 km | 5 km |
| Aug 22, 2009 | 20 km SSE of Birney, Montana | M4.0 | 88 km | 14 km |
| Feb 25, 1993 | 31 km N of Arvada, Wyoming | M3.9 | 77 km | 5 km |
| Dec 23, 1991 | 10 km SW of Colstrip, Montana | M3.6 | 110 km | 5 km |
| Nov 3, 1999 | 8 km NNW of Broadus, Montana | M3.5 | 9 km | 10 km |
| Feb 22, 1992 | 30 km E of Buffalo, Wyoming | M2.9 | 144 km | 5 km |
| May 25, 2018 | 45 km W of Biddle, Montana | M2.9 | 57 km | 16 km |
| Mar 30, 2018 | 20 km NNE of Sheridan, Wyoming | M2.8 | 124 km | 5 km |
| Jan 15, 2023 | 6 km NE of Ashland, Montana | M2.8 | 65 km | 11 km |
| Aug 7, 2022 | 38 km N of Arvada, Wyoming | M2.8 | 71 km | 11 km |
| May 19, 2017 | 6 km ESE of Birney, Montana | M2.7 | 83 km | 3 km |
| Jun 2, 2019 | 14 km WSW of Birney, Montana | M2.6 | 102 km | 5 km |
| Apr 22, 2018 | 8 km ENE of Ashland, Montana | M2.6 | 62 km | 5 km |
| Mar 31, 2009 | 36 km NNE of Arvada, Wyoming | M2.6 | 70 km | 17 km |
| Jul 29, 2013 | 18 km SE of Ekalaka, Montana | M2.6 | 88 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
54 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 4 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 17, 2014 | EF3 | 96 km | 10.0 mi | 0 |
| Jun 21, 2010 | EF2 | 16 km | 0.5 mi | 0 |
| Jun 25, 1975 | EF2 | 94 km | 0.1 mi | 0 |
| Jul 25, 1966 | EF2 | 5 km | 2.0 mi | 0 |
| Apr 25, 1964 | EF2 | 5 km | 6.0 mi | 0 |
| May 27, 1954 | EF2 | 3 km | 0.1 mi | 0 |
| Jul 19, 2019 | EF1 | 75 km | 0.5 mi | 0 |
| Jun 25, 2019 | EF1 | 92 km | 5.4 mi | 0 |
| Jun 25, 2019 | EF1 | 92 km | 5.3 mi | 0 |
| Jul 8, 2013 | EF1 | 93 km | 0.6 mi | 0 |
| Jun 12, 2011 | EF1 | 86 km | 5.2 mi | 0 |
| Jun 21, 2010 | EF1 | 67 km | 1.0 mi | 0 |
| Jun 7, 2005 | EF1 | 63 km | 4.0 mi | 0 |
| Jun 28, 1996 | EF1 | 5 km | 0.5 mi | 0 |
| May 7, 1996 | EF1 | 92 km | 3.0 mi | 0 |
| May 24, 1990 | EF1 | 39 km | 0.2 mi | 0 |
| May 11, 1986 | EF1 | 45 km | 0.2 mi | 0 |
| Jun 13, 1984 | EF1 | 34 km | 1.0 mi | 0 |
| Jul 18, 1978 | EF1 | 72 km | 0.1 mi | 0 |
| Jul 30, 1975 | EF1 | 89 km | 2.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: ASH CREEK (253,413 acres, 2012).
| Year | Name | Acres Burned | Distance |
| 2012 | ASH CREEK | 253,413 | 61 km |
| 2024 | REMINGTON | 192,577 | 73 km |
| 2021 | RICHARD SPRING | 168,765 | 93 km |
| 2017 | SARTIN DRAW | 91,570 | 66 km |
| 2017 | DEER CREEK | 90,147 | 99 km |
| 2012 | TAYLOR CREEK | 64,383 | 53 km |
| 2000 | STAG | 62,381 | 66 km |
| 1996 | POWDERVILLE | 55,024 | 47 km |
| 1988 | BREWER | 48,282 | 99 km |
| 2006 | BUFFALO CREEK | 37,630 | 97 km |
| 2024 | SHORT DRAW | 33,733 | 47 km |
| 2011 | DIAMOND COMPLEX | 33,546 | 61 km |
| 2020 | SNIDER | 33,246 | 71 km |
| 2017 | WITTEN | 27,938 | 95 km |
| 1996 | ROSEBUD CREEK | 25,174 | 92 km |
| 2006 | HORTON | 25,108 | 99 km |
| 2024 | CONSTITUTION | 23,963 | 96 km |
| 1988 | EARLYBIRD | 21,730 | 90 km |
| 2012 | DUTCH | 19,476 | 45 km |
| 2024 | MCGHEE | 19,161 | 92 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 0.4 in | Coldest, Driest |
| February | 27°F (-3°C) | 0.5 in | |
| March | 38°F (3°C) | 0.8 in | |
| April | 47°F (8°C) | 1.8 in | |
| May | 56°F (14°C) | 2.8 in | Wettest |
| June | 67°F (19°C) | 2.4 in | |
| July | 75°F (24°C) | 1.7 in | Warmest |
| August | 73°F (23°C) | 1.3 in | |
| September | 62°F (17°C) | 1.2 in | |
| October | 49°F (9°C) | 1.1 in | |
| November | 35°F (2°C) | 0.5 in | |
| December | 26°F (-4°C) | 0.5 in |
Broadus has a seasonal temperature swing of 51°F / from 24°F in January to 75°F in July. Total annual precipitation is 14.9 inches, with May being the wettest month (2.8") and January the driest (0.4").