Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sentinel Butte has a cool climate with an average annual temperature of 43°F (6°C). Winters average 16°F in January while summers reach 71°F in July. The area gets 273 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 15.8 inches (drier than the 38-inch national average). The area receives 30.1 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 38. The city sits at an elevation of 2,725 feet.
Temperature
16°F Jan (-9°C)71°F Jul (22°C)
Annual Average
43.1°F
20% below US avg
January Average
16°F (-9°C)
July Average
71°F (22°C)
Sunny Days
273 days/yr
Geography
Elevation
2,725 ft (831 m)
Area
1.0 sq mi (2.7 km²)
Population Density
59/sq mi
Coordinates
46.9194°N, 103.8406°W
Timezone
America/Chicago
County
Golden Valley County County
Nearest Airport
Dickinson/Theodore Roosevelt Regional (DIK) 50 miles away
Precipitation & Snow
Annual Rainfall15.8"
58% below US avg
Snowfall30.1"
Wettest Month (Jun)3.19"
Driest Month (Feb)0.35"
Air Quality
AQI Median
38.0
Rating
Good
Natural Hazard Risk
Overall Risk
Very Low
Risk Score
13.1 / 100
Social Vulnerability
56.9 / 100
Community Resilience
24.9 / 100
Hazard Breakdown
Tornado
Very Low
Earthquake
Very Low
Wildfire
Very Low
Flood
Very Low
Hail
Relatively Low
Strong Wind
Relatively Low
Heat Wave
Very Low
Winter Weather
Relatively Low
Lightning
Very Low
Ice Storm
Relatively Low
Drought
Very Low
Cold Wave
Relatively Moderate
Landslide
Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990.
Strongest on record: M3.3.
Sep 28, 2012
22 km ESE of Williston, North Dakota
M3.3
131 km
5 km
May 6, 2014
12 km NNW of Knife River, Montana
M2.6
83 km
8 km
Jul 29, 2013
18 km SE of Ekalaka, Montana
M2.6
134 km
8 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
110 tornadoes (EF0+) recorded within 100 km since 1950.
Strongest on record: EF4. Total: 2 fatalities, 28 injuries.
Date
Rating
Distance
Path
Fatalities
Jun 29, 1975
EF4
79 km
68.0 mi
1
Jun 29, 1961
EF4
68 km
15.9 mi
0
Jun 11, 2016
EF3
75 km
3.0 mi
0
Jul 8, 2009
EF3
78 km
2.3 mi
0
May 24, 1953
EF3
27 km
9.3 mi
0
Jul 19, 1952
EF3
70 km
55.5 mi
0
Jul 19, 1952
EF3
32 km
16.4 mi
1
Jun 10, 1952
EF3
21 km
8.8 mi
0
May 26, 2014
EF2
98 km
0.5 mi
0
Jul 25, 2001
EF2
17 km
5.0 mi
0
Jul 25, 2001
EF2
53 km
2.0 mi
0
Jun 20, 1999
EF2
50 km
5.0 mi
0
May 26, 1978
EF2
90 km
0.3 mi
0
Jun 14, 1977
EF2
75 km
8.2 mi
0
Jun 4, 1976
EF2
49 km
5.7 mi
0
Jun 27, 1975
EF2
76 km
0.1 mi
0
Jul 11, 1965
EF2
81 km
5.4 mi
0
Jul 18, 1962
EF2
96 km
40.6 mi
0
Apr 22, 1957
EF2
53 km
0.5 mi
0
Jun 10, 1952
EF2
64 km
10.1 mi
0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km.
Largest: GAP/ROUGH CREEK (53,708 acres, 1999).
Year
Name
Acres Burned
Distance
1999
GAP/ROUGH CREEK
53,708
78 km
1999
ROUGH CRK
7,887
96 km
2018
18 DONUT HOLE
7,838
31 km
1988
MIKES CREEK
5,309
41 km
2017
MAGPIE FIRE
5,056
54 km
2021
ROOSEVELT CREEK
4,608
31 km
2021
HORSE PASTURE
4,431
89 km
2004
DEEP CREEK
4,180
47 km
2012
DEEP CREEK 2
3,500
55 km
2003
3 MILE
3,394
88 km
1988
MONTANA LINE
3,307
90 km
1988
CINNAMON CREEK
3,204
54 km
1999
CEDARCRKN
2,964
58 km
2021
ELKHORN
2,784
41 km
2021
DOROTHY DRAW
2,565
57 km
2008
BROWN
2,519
44 km
2014
14 BEEF CORRAL WASH
2,471
30 km
1988
FANTAIL
2,341
48 km
2021
744
2,268
21 km
2000
TALKINGTON 1
2,204
45 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
Month
Avg Temperature
Precipitation
Summary
January
16°F (-9°C)
0.4 in
Coldest
February
22°F (-5°C)
0.4 in
Driest
March
32°F (-0°C)
0.6 in
April
45°F (7°C)
1.4 in
May
56°F (14°C)
2.3 in
June
65°F (19°C)
3.2 in
Wettest
July
71°F (22°C)
1.9 in
Warmest
August
70°F (21°C)
1.5 in
September
58°F (15°C)
1.6 in
October
46°F (8°C)
0.9 in
November
30°F (-1°C)
0.5 in
December
18°F (-8°C)
0.4 in
Sentinel Butte has a seasonal temperature swing of 55°F / from 16°F in January to 71°F in July. Total annual precipitation is 15.0 inches, with June being the wettest month (3.2") and February the driest (0.4").