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Weather & Climate in Clark Fork, ID
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Clark Fork experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 29°F in January while summers reach 66°F in July. The area gets 248 sunny days per year, above the national average. Annual precipitation totals 30.7 inches. Air quality is rated Good with a median AQI of 33. The city sits at an elevation of 2,094 feet.
Temperature
29°F Jan (-2°C)
66°F Jul (19°C)
| Annual Average | 46.3°F |
| 14% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 248 days/yr |
Geography
| Elevation | 2,094 ft (638 m) |
| Area | 0.9 sq mi (2.4 km²) |
| Population Density | 991/sq mi |
| Coordinates | 48.1480°N, 116.1730°W |
| Timezone | America/Boise |
| County | Bonner County County |
| Nearest Airport | Spokane International (GEG) 73 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 33.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 77.3 / 100 |
| Social Vulnerability | 44.9 / 100 |
| Community Resilience | 33.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Moderate |
| Avalanche | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
135 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Dec 22, 1998 | Idaho-Montana border region | M4.7 | 74 km | 12 km |
| Mar 22, 2006 | 8 km SSW of Rexford, Montana | M4.3 | 104 km | 8 km |
| May 2, 1995 | 2 km NW of Kila, Montana | M4.1 | 126 km | 9 km |
| Aug 17, 1994 | 1 km E of Mullan, Idaho | M4.1 | 81 km | 2 km |
| Jun 29, 1995 | 2 km NNW of Kila, Montana | M4.1 | 126 km | 5 km |
| Jan 20, 1998 | 15 km SSE of Happys Inn, Montana | M4.0 | 86 km | 7 km |
| Nov 11, 2001 | 3 km NE of Spokane, Washington | M4.0 | 105 km | 4 km |
| Jun 25, 2001 | Washington | M3.9 | 105 km | 10 km |
| Apr 24, 2015 | 8 km WSW of Hope, Idaho | M3.9 | 19 km | 17 km |
| May 2, 1995 | 3 km WNW of Kila, Montana | M3.8 | 125 km | 9 km |
| Apr 24, 2015 | 12 km SSW of East Hope, Idaho | M3.7 | 14 km | 9 km |
| Aug 19, 1999 | 12 km ENE of Happys Inn, Montana | M3.7 | 89 km | 14 km |
| May 30, 1996 | 3 km SSW of Mullan, Idaho | M3.6 | 83 km | 1 km |
| Oct 26, 1999 | 23 km WNW of Niarada, Montana | M3.6 | 99 km | 12 km |
| Feb 2, 1997 | 1 km NNE of Lindisfarne, Montana | M3.6 | 150 km | 5 km |
| Mar 14, 1997 | 1 km E of Mullan, Idaho | M3.6 | 81 km | 2 km |
| Apr 11, 2015 | 5 km NW of Columbia Falls, Montana | M3.5 | 146 km | 13 km |
| Jan 20, 2000 | 21 km ENE of Athol, Idaho | M3.5 | 25 km | 5 km |
| Jun 25, 2001 | 2 km SSE of Town and Country, Washington | M3.4 | 105 km | 10 km |
| Mar 8, 1994 | 32 km S of Wallace, Idaho | M3.4 | 109 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
11 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 4 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 31, 1997 | EF2 | 43 km | 5.0 mi | 0 |
| Apr 9, 1991 | EF2 | 54 km | 1.0 mi | 0 |
| Jul 17, 1978 | EF2 | 71 km | 0.1 mi | 0 |
| May 29, 1994 | EF1 | 63 km | 0.1 mi | 0 |
| Apr 12, 1984 | EF1 | 92 km | 1.0 mi | 0 |
| Jun 22, 1981 | EF1 | 97 km | 0.1 mi | 0 |
| Aug 19, 1978 | EF1 | 32 km | 1.9 mi | 0 |
| Jun 25, 2004 | EF0 | 64 km | 4.0 mi | 0 |
| Sep 9, 1994 | EF0 | 85 km | 0.5 mi | 0 |
| Jun 5, 1987 | EF0 | 69 km | 0.1 mi | 0 |
| Jul 9, 1978 | EF0 | 83 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 9.0 m (30 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2009 | COLUMBIA RIVER VALLEY, WA | Meteorological | 9.0 m | — | 144 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: THORNE CREEK (39,694 acres, 2021).
| Year | Name | Acres Burned | Distance |
| 2021 | THORNE CREEK | 39,694 | 86 km |
| 2016 | COPPER KING | 28,338 | 99 km |
| 2022 | RUSSELL MOUNTAIN | 26,130 | 80 km |
| 2015 | TOWER | 24,779 | 80 km |
| 2017 | WEST FORK | 21,154 | 59 km |
| 2017 | DEEP CREEK | 14,558 | 75 km |
| 2017 | MOOSE PEAK | 14,085 | 73 km |
| 2021 | SOUTH YAAK | 12,866 | 53 km |
| 2021 | DECEITFUL | 12,750 | 60 km |
| 1984 | HOUGHTON CREEK II | 12,495 | 69 km |
| 1988 | DRY FORK | 11,403 | 87 km |
| 2015 | SOUTH BOBTAIL | 11,256 | 56 km |
| 2023 | OREGON | 10,957 | 78 km |
| 2015 | NAPOLEON 1 | 9,727 | 24 km |
| 2015 | LOWER FLAT | 9,034 | 39 km |
| 2000 | KOOTENAI COMPLEX (UPPER BEAVER) | 8,783 | 90 km |
| 2018 | COUGAR | 8,708 | 15 km |
| 1994 | KOOCANUSA COMPLEX (NORTH FORK BIG CREEK) | 8,475 | 84 km |
| 2021 | TRESTLE CREEK COMPLEX | 7,117 | 21 km |
| 2018 | DAVIS | 7,103 | 96 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 4.5 in | |
| February | 30°F (-1°C) | 3.3 in | |
| March | 34°F (1°C) | 2.9 in | |
| April | 41°F (5°C) | 2.2 in | |
| May | 48°F (9°C) | 2.4 in | |
| June | 55°F (13°C) | 2.4 in | |
| July | 66°F (19°C) | 1.2 in | Warmest, Driest |
| August | 62°F (16°C) | 1.5 in | |
| September | 53°F (12°C) | 1.8 in | |
| October | 43°F (6°C) | 2.5 in | |
| November | 33°F (0°C) | 4.7 in | Wettest |
| December | 26°F (-3°C) | 4.7 in | Coldest |
Clark Fork has a seasonal temperature swing of 40°F / from 26°F in December to 66°F in July. Total annual precipitation is 34.0 inches, with November being the wettest month (4.7") and July the driest (1.2").