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Weather & Climate in Marcus, WA

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

Marcus experiences four distinct seasons with an average annual temperature of 49°F (9°C). Winters average 29°F in January while summers reach 71°F in July. The area gets 274 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 19.9 inches (drier than the 38-inch national average). The area receives 43.4 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 28 / among the cleanest air in the country. The city sits at an elevation of 1,399 feet.

Temperature

29°F Jan (-2°C) 71°F Jul (21°C)
Annual Average48.9°F
9% below US avg
January Average29°F (-2°C)
July Average71°F (21°C)
Sunny Days274 days/yr

Geography

Elevation1,399 ft (426 m)
Area0.1 sq mi (0.2 km²)
Population Density936/sq mi
Coordinates48.6643°N, 118.0600°W
TimezoneAmerica/Los_Angeles
CountyFerry County County
Nearest AirportSpokane International (GEG)
76 miles away

Precipitation & Snow

Annual Rainfall 19.9"
48% below US avg
Snowfall 43.4"
Wettest Month (Dec) 2.40"
Driest Month (Sep) 1.02"

Air Quality

AQI Median28.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score51.7 / 100
Social Vulnerability91.2 / 100
Community Resilience11.6 / 100

Hazard Breakdown

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

Earthquake History

118 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.

Jun 24, 1997 16 km WNW of Malott, Washington M4.6 139 km 10 km
Sep 1, 2015 15 km N of Nespelem Community, Washington M4.2 81 km 9 km
Nov 11, 2001 3 km NE of Spokane, Washington M4.0 119 km 4 km
Sep 10, 2016 23 km E of Oliver, Canada M3.9 105 km 1 km
Jun 25, 2001 Washington M3.9 120 km 10 km
Apr 24, 2015 8 km WSW of Hope, Idaho M3.9 131 km 17 km
Mar 3, 1998 16 km NNE of Grand Forks, Canada M3.8 60 km 5 km
Apr 24, 2015 12 km SSW of East Hope, Idaho M3.7 138 km 9 km
Jan 26, 1992 9 km SSE of Okanagan Falls, Canada M3.7 126 km 10 km
Jun 24, 1997 16 km NW of Malott, Washington M3.6 138 km 7 km
Jan 20, 2000 21 km ENE of Athol, Idaho M3.5 140 km 5 km
Jun 25, 2001 2 km SSE of Town and Country, Washington M3.4 117 km 10 km
Aug 20, 1990 23 km NW of Nelson, Canada M3.3 114 km -1 km
Sep 22, 2003 12 km NW of Rathdrum, Idaho M3.3 115 km 13 km
Nov 12, 2001 3 km NNE of Spokane, Washington M3.3 119 km 0 km
Apr 24, 2015 7 km SW of Hope, Idaho M3.3 135 km 10 km
Oct 27, 1991 21 km N of Castlegar, Canada M3.3 100 km 7 km
Apr 20, 2025 8 km NW of Tonasket, Washington M3.2 107 km 15 km
Mar 3, 1998 15 km NNE of Grand Forks, Canada M3.2 57 km 5 km
Apr 13, 2025 7 km NW of Tonasket, Washington M3.2 106 km 15 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

15 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2.

Date Rating Distance Path Fatalities
Jul 17, 1978 EF2 87 km 0.1 mi 0
Apr 5, 1972 EF2 8 km 1.0 mi 0
May 6, 2009 EF1 99 km 3.4 mi 0
Jul 21, 1997 EF1 87 km 5.0 mi 0
Jul 21, 1997 EF1 87 km 5.0 mi 0
Jul 21, 1997 EF1 7 km 1.0 mi 0
Jul 21, 1997 EF1 7 km 1.0 mi 0
May 31, 1997 EF1 99 km 5.0 mi 0
May 29, 1994 EF1 95 km 0.1 mi 0
Jul 25, 1983 EF1 22 km 0.2 mi 0
Jun 22, 1981 EF1 91 km 0.1 mi 0
Aug 14, 1980 EF1 25 km 0.1 mi 0
Jun 29, 1970 EF1 100 km 0.1 mi 0
Apr 25, 2008 EF0 21 km 0.1 mi 0
Jun 25, 2004 EF0 92 km 4.0 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Tsunami History

9 tsunamis recorded within 500 km. Highest wave on record: 19.8 m (65 ft).

Year Location Cause Max Wave Deaths Distance
1952 COLUMBIA RIVER VALLEY, WA Meteorological 19.8 m — 12 km
1949 COLUMBIA RIVER VALLEY, WA Meteorological 19.8 m — 97 km
2024 COLUMBIA RIVER VALLEY, WA Meteorological 14.3 m — 12 km
1944 COLUMBIA RIVER VALLEY, WA Meteorological 9.1 m — 12 km
2009 COLUMBIA RIVER VALLEY, WA Meteorological 9.0 m — 96 km
1953 COLUMBIA RIVER VALLEY, WA Meteorological 4.8 m — 12 km
2009 COLUMBIA RIVER VALLEY, WA Meteorological 3.6 m — 86 km
1953 COLUMBIA RIVER VALLEY, WA Meteorological — — 12 km
1952 COLUMBIA RIVER VALLEY, WA Meteorological — — 12 km
Source: NOAA/NCEI Historical Tsunami Database.

Wildfire History

20 wildfires (100+ acres) recorded within 100 km. Largest: NORTH STAR (218,547 acres, 2015).

Year Name Acres Burned Distance
2015 NORTH STAR 218,547 71 km
2015 TUNK BLOCK 180,111 96 km
2015 CARPENTER RD. 62,488 68 km
2021 SUMMIT TRAIL 54,855 43 km
2015 STICKPIN 54,119 32 km
2019 WILLIAMS FLATS 44,680 83 km
2021 CHUWEAH CREEK FIRE 37,393 83 km
1985 BARKER MT 32,839 91 km
2021 WALKER CREEK 26,165 76 km
2014 DEVILS ELBOW COMPLEX 25,988 64 km
2015 TOWER 24,779 71 km
2008 COLUMBIA RIVER ROAD 22,628 99 km
1988 WHITE MOUNTAIN 21,855 35 km
2007 MANILA CREEK 16,248 88 km
2021 FORD CORKSCREW 16,179 85 km
2015 RENNER 13,975 14 km
1991 UNNAMED 12,401 99 km
2020 KEWA FIELD 11,811 57 km
2012 BUFFALO LAKE ROAD 11,260 98 km
2023 OREGON 10,957 98 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 29°F (-2°C) 1.9 in
February 31°F (-0°C) 1.5 in
March 38°F (3°C) 1.5 in
April 46°F (8°C) 1.4 in
May 54°F (12°C) 2.0 in
June 60°F (16°C) 1.8 in
July 71°F (21°C) 1.1 in Warmest
August 66°F (19°C) 1.1 in
September 57°F (14°C) 1.0 in Driest
October 46°F (8°C) 1.1 in
November 35°F (2°C) 2.2 in
December 27°F (-3°C) 2.4 in Coldest, Wettest

Marcus has a seasonal temperature swing of 44°F / from 27°F in December to 71°F in July. Total annual precipitation is 19.1 inches, with December being the wettest month (2.4") and September the driest (1.0").

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