Weather & Climate in Oriska, ND
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Oriska has a cool climate with an average annual temperature of 41°F (5°C). Winters average 8°F in January while summers reach 69°F in July / a wide seasonal temperature swing of 61°F. Annual precipitation totals 21.5 inches (drier than the 38-inch national average). The area receives 34.7 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 38. 79% of days have good air quality. The city sits at an elevation of 1,270 feet.
Temperature
8°F Jan (-13°C)
69°F Jul (21°C)
| Annual Average | 40.5°F |
| 25% below US avg | |
| January Average | 8°F (-13°C) |
| July Average | 69°F (21°C) |
Geography
| Elevation | 1,270 ft (387 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 867/sq mi |
| Coordinates | 46.9311°N, 97.7905°W |
| Timezone | America/Chicago |
| County | Cass County County |
| Nearest Airport | Jamestown Regional (JMS) 42 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 38.0 |
| Rating | Good |
| Good Days % | 78.7% |
| Unhealthy Days | 2 |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 82.4 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 93.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively High |
| Strong Wind | Very High |
| Heat Wave | Relatively Low |
| Winter Weather | Very High |
| Lightning | Relatively Moderate |
| Ice Storm | Very High |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Oct 20, 1995 | 8 km SSE of New Effington, South Dakota | M3.7 | 146 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
473 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 15 fatalities, 172 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 20, 1957 | EF5 | 34 km | 52.4 mi | 10 |
| Jun 17, 2010 | EF4 | 77 km | 17.0 mi | 0 |
| Aug 26, 2007 | EF4 | 89 km | 5.0 mi | 1 |
| Jul 18, 2004 | EF4 | 48 km | 12.0 mi | 0 |
| Jun 28, 1975 | EF4 | 81 km | 5.4 mi | 0 |
| Jul 2, 1955 | EF4 | 77 km | 9.1 mi | 2 |
| Aug 27, 2016 | EF3 | 81 km | 3.0 mi | 0 |
| Jul 17, 2011 | EF3 | 81 km | 16.2 mi | 0 |
| Aug 26, 2007 | EF3 | 93 km | 6.0 mi | 0 |
| Jul 18, 2001 | EF3 | 97 km | 5.0 mi | 0 |
| Jul 21, 1987 | EF3 | 80 km | 1.0 mi | 0 |
| Jun 28, 1975 | EF3 | 92 km | 2.3 mi | 0 |
| May 20, 1974 | EF3 | 68 km | 17.3 mi | 0 |
| Jun 16, 1973 | EF3 | 73 km | 0.1 mi | 0 |
| Jun 15, 1973 | EF3 | 42 km | 0.1 mi | 0 |
| Jun 21, 1971 | EF3 | 66 km | 13.7 mi | 0 |
| Aug 23, 1968 | EF3 | 56 km | 8.5 mi | 0 |
| Sep 6, 1958 | EF3 | 16 km | 2.9 mi | 0 |
| Jul 16, 1957 | EF3 | 47 km | 0.1 mi | 0 |
| Aug 30, 1956 | EF3 | 75 km | 5.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
6 wildfires (100+ acres) recorded within 100 km. Largest: BIESTERFELD (3,481 acres, 2021).
| Year | Name | Acres Burned | Distance |
| 2021 | BIESTERFELD | 3,481 | 67 km |
| 2003 | OLERUD | 1,275 | 66 km |
| 2018 | EAST JIM LAKE | 1,214 | 84 km |
| 2017 | NDAWR FY17 RX G10 11 12 D5 | 1,148 | 87 km |
| 1985 | ALICE 02 | 1,142 | 29 km |
| 2006 | FULLERS LAKE 06 | 1,109 | 42 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 8°F (-13°C) | 0.5 in | Coldest |
| February | 12°F (-11°C) | 0.5 in | Driest |
| March | 25°F (-4°C) | 0.8 in | |
| April | 40°F (5°C) | 1.2 in | |
| May | 54°F (12°C) | 3.2 in | |
| June | 65°F (18°C) | 3.6 in | Wettest |
| July | 69°F (21°C) | 3.0 in | Warmest |
| August | 67°F (19°C) | 2.6 in | |
| September | 58°F (14°C) | 2.7 in | |
| October | 44°F (7°C) | 1.9 in | |
| November | 28°F (-2°C) | 0.7 in | |
| December | 15°F (-10°C) | 0.7 in |
Oriska has a seasonal temperature swing of 61°F / from 8°F in January to 69°F in July. Total annual precipitation is 21.5 inches, with June being the wettest month (3.6") and February the driest (0.5").