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Weather & Climate in Tarkio, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tarkio experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 23°F in January while summers reach 77°F in July. The area gets 275 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 33.9 inches. The area receives 2.8 inches of snow annually. Air quality is rated Good with a median AQI of 41. The city sits at an elevation of 938 feet.
Temperature
23°F Jan (-5°C)
77°F Jul (25°C)
| Annual Average | 51.7°F |
| 4% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 938 ft (286 m) |
| Area | 1.4 sq mi (3.6 km²) |
| Population Density | 1,063/sq mi |
| Coordinates | 40.4403°N, 95.3778°W |
| Timezone | America/Chicago |
| Nearest Airport | Eppley Airfield (OMA) 65 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Earthquake History
6 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Dec 17, 2009 | 2 km NW of Auburn, Nebraska | M3.6 | 41 km | 5 km |
| Jul 16, 2004 | 6 km SSE of Riverton, Iowa | M3.5 | 26 km | 5 km |
| Mar 23, 2007 | 5 km N of Nortonville, Kansas | M3.1 | 109 km | 5 km |
| Feb 11, 1995 | 6 km E of Clearmont, Missouri | M3.1 | 37 km | 5 km |
| Jan 6, 2014 | 5 km NW of Liberty, Nebraska | M2.9 | 105 km | 5 km |
| Mar 31, 1993 | 2 km SE of Nemaha, Nebraska | M2.9 | 27 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
614 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 16 fatalities, 395 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 21, 2024 | EF4 | 64 km | 40.7 mi | 5 |
| Apr 8, 1999 | EF4 | 61 km | 49.0 mi | 0 |
| May 24, 1989 | EF4 | 82 km | 49.0 mi | 0 |
| Mar 29, 1979 | EF4 | 20 km | 18.8 mi | 0 |
| May 6, 1975 | EF4 | 100 km | 8.0 mi | 3 |
| Jun 22, 1964 | EF4 | 30 km | 11.9 mi | 0 |
| Apr 12, 1964 | EF4 | 28 km | 13.1 mi | 1 |
| Apr 5, 1954 | EF4 | 12 km | 6.3 mi | 0 |
| May 21, 2024 | EF3 | 49 km | 33.9 mi | 0 |
| Apr 26, 2024 | EF3 | 100 km | 40.3 mi | 1 |
| Apr 26, 2024 | EF3 | 87 km | 13.3 mi | 0 |
| May 21, 2019 | EF3 | 74 km | 5.9 mi | 0 |
| Jun 3, 2014 | EF3 | 77 km | 6.3 mi | 0 |
| Apr 11, 2001 | EF3 | 86 km | 76.5 mi | 0 |
| Apr 26, 1991 | EF3 | 88 km | 14.0 mi | 0 |
| Jun 7, 1984 | EF3 | 44 km | 25.0 mi | 0 |
| Aug 28, 1979 | EF3 | 63 km | 38.3 mi | 2 |
| Mar 29, 1979 | EF3 | 39 km | 29.6 mi | 0 |
| Mar 29, 1979 | EF3 | 92 km | 57.0 mi | 0 |
| May 13, 1974 | EF3 | 81 km | 10.9 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
7 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (4,195 acres, 2005).
| Year | Name | Acres Burned | Distance |
| 2005 | UNNAMED | 4,195 | 93 km |
| 2020 | MOSQR-FY20-RX-WUI | 964 | 38 km |
| 2016 | SQR BM SL DESOTO 2016 WUI RX | 866 | 38 km |
| 1988 | NORTH POOL | 698 | 38 km |
| 2020 | UNNAMED | 645 | 39 km |
| 2009 | UNIT 6 | 625 | 41 km |
| 2002 | SCRDGRS 6 | 536 | 41 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 0.8 in | Coldest, Driest |
| February | 29°F (-1°C) | 0.9 in | |
| March | 41°F (5°C) | 2.2 in | |
| April | 53°F (11°C) | 3.1 in | |
| May | 63°F (17°C) | 4.3 in | |
| June | 73°F (23°C) | 4.2 in | |
| July | 77°F (25°C) | 4.4 in | Warmest, Wettest |
| August | 75°F (24°C) | 4.2 in | |
| September | 66°F (19°C) | 4.1 in | |
| October | 55°F (13°C) | 2.7 in | |
| November | 39°F (4°C) | 1.9 in | |
| December | 28°F (-2°C) | 1.1 in |
Tarkio has a seasonal temperature swing of 53°F / from 23°F in January to 77°F in July. Total annual precipitation is 33.8 inches, with July being the wettest month (4.4") and January the driest (0.8").