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Weather & Climate in Pleasant Valley Colony, MT

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Pleasant Valley Colony experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 27°F in January while summers reach 70°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 15.4 inches (drier than the 38-inch national average). 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 4,180 feet.

Temperature

27°F Jan (-3°C) 70°F Jul (21°C)
Annual Average47.0°F
13% below US avg
January Average27°F (-3°C)
July Average70°F (21°C)
Sunny Days273 days/yr

Geography

Elevation4,180 ft (1,274 m)
Area0.3 sq mi (0.6 km²)
Population Density284/sq mi
Coordinates47.3379°N, 111.0449°W
TimezoneAmerica/Denver
CountyCascade County County
Nearest AirportGreat Falls International (GTF)
18 miles away

Precipitation & Snow

Annual Rainfall 15.4"
59% below US avg
Wettest Month (May) 3.11"
Driest Month (Feb) 0.59"

Air Quality

AQI Median26.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score83.1 / 100
Social Vulnerability27.1 / 100
Community Resilience76.3 / 100

Hazard Breakdown

Tornado Very Low
Earthquake Relatively Low
Wildfire Relatively Low
Flood Relatively Moderate
Hail Relatively Low
Strong Wind Relatively Moderate
Heat Wave Relatively Low
Winter Weather Very High
Lightning Relatively Moderate
Ice Storm Very Low
Drought Relatively Low
Cold Wave Relatively High
Landslide Relatively Low
Avalanche Relatively Moderate
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

270 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.8.

Jul 6, 2017 11 km SE of Lincoln, Montana M5.8 127 km 12 km
Jul 6, 2017 15 km S of Lincoln, Montana M5.0 136 km 15 km
Jul 6, 2017 14 km SE of Lincoln, Montana M4.4 126 km 10 km
Jan 30, 2016 19 km E of Lincoln, Montana M4.3 113 km 2 km
Apr 8, 2000 8 km ENE of Townsend, Montana M4.1 114 km 5 km
Jul 17, 2017 12 km ESE of Lincoln, Montana M4.0 124 km 13 km
Nov 10, 2000 14 km NE of Townsend, Montana M4.0 107 km 2 km
Jul 6, 2017 14 km SSE of Lincoln, Montana M4.0 130 km 9 km
Aug 16, 1994 27 km W of Chester, Montana M3.9 130 km 5 km
Oct 19, 2017 12 km SE of Lincoln, Montana M3.9 125 km 4 km
Feb 6, 1999 24 km E of Townsend, Montana M3.9 110 km 1 km
Apr 1, 1993 15 km E of Lincoln, Montana M3.9 116 km 5 km
Mar 13, 2017 4 km ESE of Avon, Montana M3.8 142 km 20 km
Apr 17, 2018 13 km ESE of Lincoln, Montana M3.8 123 km 14 km
Jul 13, 2017 14 km SE of Lincoln, Montana M3.7 126 km 10 km
May 24, 2000 9 km ENE of Townsend, Montana M3.7 114 km 3 km
Jan 16, 2011 10 km ENE of Marysville, Montana M3.7 105 km 15 km
Feb 3, 2019 9 km S of Lincoln, Montana M3.7 134 km 5 km
Jul 6, 2017 12 km ESE of Lincoln, Montana M3.7 123 km 16 km
Jan 2, 1990 6 km NNE of Toston, Montana M3.7 126 km 1 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

52 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 6 injuries.

Date Rating Distance Path Fatalities
Jun 25, 1996 EF2 94 km 2.0 mi 0
Apr 24, 1994 EF2 63 km 1.5 mi 0
Apr 24, 1994 EF2 63 km 1.0 mi 0
Jun 8, 1976 EF2 73 km 0.1 mi 0
Jun 30, 1975 EF2 37 km 0.1 mi 0
Jul 2, 1966 EF2 96 km 0.8 mi 0
Jul 10, 1965 EF2 77 km 2.0 mi 0
Jun 5, 2012 EF1 90 km 2.8 mi 0
Jun 16, 2007 EF1 55 km 5.3 mi 0
Apr 22, 2003 EF1 65 km 2.0 mi 0
Jul 3, 1998 EF1 46 km 0.5 mi 0
Jun 19, 1998 EF1 46 km 1.0 mi 0
Jul 5, 1988 EF1 36 km 0.2 mi 0
Jun 1, 1980 EF1 50 km 0.1 mi 0
Jul 3, 1978 EF1 34 km 1.0 mi 0
Jul 3, 1978 EF1 34 km 1.0 mi 0
Jul 3, 1978 EF1 34 km 1.0 mi 0
Jun 1, 1977 EF1 61 km 0.1 mi 0
May 10, 1977 EF1 83 km 0.1 mi 0
May 10, 1977 EF1 84 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: WOODS CREEK (55,836 acres, 2021).

Year Name Acres Burned Distance
2021 WOODS CREEK 55,836 91 km
2021 HARRIS MTN 31,792 54 km
1984 NORTH HILL 27,162 87 km
2000 CANYON FERRY COMPLEX (CAVE GULCH) 26,997 83 km
1990 TURKEY 25,658 72 km
2007 MERIWETHER 18,865 79 km
2000 CANYON FERRY COMPLEX (BUCKSNORT) 14,843 98 km
1990 BEARTOOTH COMPLEX 13,462 70 km
2009 MEISSNER 12,318 60 km
1985 SANDPOINT 10,439 74 km
1993 FREEZEOUT LAKE 9,793 92 km
2021 BALSINGER 8,317 40 km
2020 LOUSE CREEK 5,237 96 km
2009 INDIAN TRAIL 4,592 78 km
2020 YOGO 4,429 62 km
2008 CHOUTEAU CO COMPLEX 4,365 83 km
2019 NORTH HILLS 4,149 93 km
2019 STUCKEY RD MA 4,073 36 km
1991 POWER 3,822 62 km
2012 MISSION ROAD 3,372 72 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 27°F (-3°C) 0.8 in
February 28°F (-2°C) 0.6 in Driest
March 35°F (1°C) 1.2 in
April 44°F (6°C) 1.7 in
May 53°F (11°C) 3.1 in Wettest
June 61°F (16°C) 2.6 in
July 70°F (21°C) 1.5 in Warmest
August 67°F (20°C) 1.7 in
September 57°F (14°C) 1.6 in
October 47°F (8°C) 1.2 in
November 34°F (1°C) 0.8 in
December 26°F (-3°C) 0.8 in Coldest

Pleasant Valley Colony has a seasonal temperature swing of 45°F / from 26°F in December to 70°F in July. Total annual precipitation is 17.6 inches, with May being the wettest month (3.1") and February the driest (0.6").

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