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Weather & Climate in Lostine, OR

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

Lostine has a cool climate with an average annual temperature of 44°F (7°C). Winters average 27°F in January while summers reach 64°F in July. The area gets 311 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 16.9 inches (drier than the 38-inch national average). The area receives 54.2 inches of snow annually, making winter weather a significant factor for residents. Air quality is rated Good with a median AQI of 32. The city sits at an elevation of 3,373 feet.

Temperature

27°F Jan (-3°C) 64°F Jul (18°C)
Annual Average44.2°F
18% below US avg
January Average27°F (-3°C)
July Average64°F (18°C)
Sunny Days311 days/yr

Geography

Elevation3,373 ft (1,028 m)
Area0.1 sq mi (0.3 km²)
Population Density1,038/sq mi
Coordinates45.4867°N, 117.4295°W
TimezoneAmerica/Los_Angeles
CountyWallowa County County
Nearest AirportWalla Walla Regional (ALW)
59 miles away

Precipitation & Snow

Annual Rainfall 16.9"
55% below US avg
Snowfall 54.2"
Wettest Month (Dec) 2.36"
Driest Month (Jul) 0.87"

Air Quality

AQI Median32.0
RatingGood

Natural Hazard Risk

Overall RiskVery Low
Risk Score34.0 / 100
Social Vulnerability83.5 / 100
Community Resilience66.1 / 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 Relatively Low
Lightning Very Low
Ice Storm Relatively Low
Drought Very Low
Cold Wave Relatively Low
Landslide Relatively Low
Avalanche Relatively High
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

115 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.

Nov 28, 1991 7 km S of Walla Walla East, Washington M4.3 89 km 9 km
Jul 14, 1992 6 km S of Walla Walla East, Washington M4.1 89 km 11 km
Oct 27, 1994 11 km SE of Halfway, Oregon M4.0 82 km 10 km
Jun 28, 1998 3 km SE of Genesee, Idaho M3.8 124 km 10 km
Oct 4, 2002 15 km W of Cascade, Idaho M3.8 144 km 5 km
Mar 12, 2023 11 km S of Donnelly, Idaho M3.7 143 km 12 km
Jan 23, 2015 3 km N of Cayuse, Oregon M3.5 91 km 20 km
Dec 24, 1999 18 km WNW of New Meadows, Idaho M3.5 88 km 3 km
Apr 6, 2002 9 km NW of Cascade, Idaho M3.5 144 km 5 km
Oct 4, 2002 20 km WSW of Cascade, Idaho M3.4 144 km 5 km
Jun 17, 2004 11 km SSE of Washtucna, Washington M3.4 146 km 17 km
Sep 26, 1995 9 km E of McCall, Idaho M3.4 131 km 5 km
Oct 4, 2002 15 km W of Cascade, Idaho M3.4 145 km 5 km
Dec 15, 1991 6 km SSW of Walla Walla East, Washington M3.3 90 km 8 km
Jul 20, 1998 9 km ESE of Halfway, Oregon M3.3 78 km 12 km
Feb 28, 2004 10 km WSW of Wallula, Washington M3.3 138 km 1 km
Sep 26, 1995 southern Idaho M3.3 131 km 5 km
Aug 27, 2000 16 km W of Richland, Oregon M3.3 83 km 0 km
Jun 16, 1992 10 km ESE of Halfway, Oregon M3.3 80 km 5 km
Jul 25, 2009 10 km NW of Brogan, Oregon M3.2 131 km 7 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Tornado History

19 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 1 injury.

Date Rating Distance Path Fatalities
Jun 4, 2006 EF2 75 km 12.0 mi 0
Jun 11, 1968 EF2 39 km 9.6 mi 0
May 6, 2022 EF1 74 km 2.9 mi 0
May 6, 2009 EF1 88 km 1.6 mi 0
Mar 5, 2024 EF0 88 km 0.2 mi 0
Jun 27, 2023 EF0 86 km 0.1 mi 0
Jul 12, 2016 EF0 30 km 1.0 mi 0
May 9, 2013 EF0 6 km 0.1 mi 0
May 6, 2009 EF0 13 km 0.2 mi 0
Aug 21, 2006 EF0 11 km 0.2 mi 0
Jun 23, 2004 EF0 75 km 0.1 mi 0
May 17, 1996 EF0 72 km 0.1 mi 0
May 11, 1995 EF0 84 km 0.1 mi 0
Jul 22, 1992 EF0 64 km 0.5 mi 0
Jul 22, 1992 EF0 68 km 0.5 mi 0
May 1, 1991 EF0 99 km 0.1 mi 0
Aug 24, 1987 EF0 95 km 0.2 mi 0
Jun 21, 1983 EF0 50 km 0.1 mi 0
Sep 16, 1975 EF0 80 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: DOUBLE CREEK (171,012 acres, 2022).

Year Name Acres Burned Distance
2022 DOUBLE CREEK 171,012 61 km
2000 MALONEY CREEK 131,397 70 km
2006 COLUMBIA COMPLEX 118,865 81 km
2021 SHOVEL CREEK 109,829 77 km
2020 WOODHEAD 98,995 97 km
2021 LICK CREEK 80,376 82 km
2015 BUTTE CREEK 79,418 60 km
2007 BATTLE CREEK COMPLEX (BATTLE CREEK) 79,114 62 km
2012 CACHE CREEK 75,521 62 km
2014 BIG COUGAR 65,397 73 km
2007 POE CABIN 59,704 78 km
1988 TEEPEE BUTTE 59,565 58 km
2006 FOSTER GULCH 52,496 76 km
2005 SCHOOL 51,701 90 km
2012 SHEEP 50,769 96 km
2007 CHIMNEY COMPLEX 50,646 76 km
1996 SALT COMPLEX (SALT CREEK) 50,250 68 km
2017 POWERLINE 45,449 72 km
2021 GREEN RIDGE 44,604 76 km
2005 GRANITE COMPLEX 37,332 68 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 27°F (-3°C) 2.2 in
February 27°F (-3°C) 1.5 in
March 31°F (-0°C) 1.7 in
April 37°F (3°C) 1.7 in
May 44°F (6°C) 2.1 in
June 50°F (10°C) 2.2 in
July 64°F (18°C) 0.9 in Warmest, Driest
August 57°F (14°C) 1.1 in
September 50°F (10°C) 1.3 in
October 42°F (6°C) 1.5 in
November 31°F (-1°C) 2.0 in
December 24°F (-4°C) 2.4 in Coldest, Wettest

Lostine has a seasonal temperature swing of 40°F / from 24°F in December to 64°F in July. Total annual precipitation is 20.5 inches, with December being the wettest month (2.4") and July the driest (0.9").

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