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Weather & Climate in Lake of the Woods, IL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lake of the Woods experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 25°F in January while summers reach 73°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 39.6 inches. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 746 feet.
Temperature
25°F Jan (-4°C)
73°F Jul (23°C)
| Annual Average | 51.1°F |
| 5% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 746 ft (227 m) |
| Area | 1.7 sq mi (4.4 km²) |
| Population Density | 1,176/sq mi |
| Coordinates | 40.2052°N, 88.3746°W |
| Timezone | America/Chicago |
| County | Champaign County County |
| Nearest Airport | Central Il Regional/Bloomington-Normal (BMI) 34 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 90.5 / 100 |
| Social Vulnerability | 30.9 / 100 |
| Community Resilience | 86.3 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Jun 28, 2004 | 12 km NW of Dayton, Illinois | M4.2 | 146 km | 10 km |
| Jun 17, 2021 | Illinois-Indiana border region | M3.8 | 102 km | 6 km |
| Apr 14, 2000 | 4 km NW of Heritage Lake, Indiana | M3.6 | 147 km | 5 km |
| May 13, 2025 | 7 km SSW of Lerna, Illinois | M3.3 | 94 km | 10 km |
| Jan 29, 1993 | 7 km WNW of Brownstown, Illinois | M3.2 | 142 km | 5 km |
| Dec 17, 1990 | Illinois-Indiana border region | M3.2 | 114 km | 10 km |
| Dec 16, 1996 | 3 km NNE of Terre Haute, Indiana | M3.1 | 114 km | 5 km |
| Apr 24, 1990 | 5 km SW of Newton, Illinois | M2.9 | 140 km | 18 km |
| Mar 15, 2025 | 6 km W of Dwight, Illinois | M2.6 | 99 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
741 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 20 fatalities, 541 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 5, 1977 | EF4 | 75 km | 7.3 mi | 0 |
| Mar 20, 1976 | EF4 | 58 km | 63.7 mi | 0 |
| Nov 17, 2013 | EF3 | 18 km | 29.8 mi | 0 |
| Nov 17, 2013 | EF3 | 41 km | 18.7 mi | 0 |
| Apr 19, 1996 | EF3 | 18 km | 4.0 mi | 0 |
| Apr 19, 1996 | EF3 | 37 km | 2.0 mi | 1 |
| Apr 19, 1996 | EF3 | 81 km | 14.5 mi | 0 |
| Apr 19, 1996 | EF3 | 84 km | 9.4 mi | 0 |
| Apr 2, 1982 | EF3 | 100 km | 12.0 mi | 0 |
| Aug 21, 1977 | EF3 | 89 km | 26.9 mi | 6 |
| Aug 10, 1974 | EF3 | 75 km | 0.1 mi | 0 |
| Apr 3, 1974 | EF3 | 41 km | 7.4 mi | 0 |
| Apr 3, 1974 | EF3 | 76 km | 25.9 mi | 0 |
| Apr 3, 1974 | EF3 | 38 km | 14.9 mi | 0 |
| Apr 3, 1974 | EF3 | 84 km | 20.9 mi | 1 |
| Apr 3, 1974 | EF3 | 28 km | 5.9 mi | 1 |
| May 15, 1968 | EF3 | 73 km | 7.1 mi | 0 |
| Apr 22, 1963 | EF3 | 43 km | 31.8 mi | 0 |
| Apr 22, 1963 | EF3 | 46 km | 38.6 mi | 0 |
| Jul 21, 1961 | EF3 | 77 km | 23.9 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 1.8 in | Coldest |
| February | 28°F (-2°C) | 1.7 in | Driest |
| March | 40°F (4°C) | 3.2 in | |
| April | 51°F (11°C) | 3.8 in | |
| May | 62°F (17°C) | 4.1 in | |
| June | 71°F (22°C) | 3.7 in | |
| July | 73°F (23°C) | 4.3 in | Warmest, Wettest |
| August | 73°F (23°C) | 3.8 in | |
| September | 66°F (19°C) | 3.4 in | |
| October | 54°F (12°C) | 2.7 in | |
| November | 41°F (5°C) | 3.0 in | |
| December | 30°F (-1°C) | 2.8 in |
Lake of the Woods has a seasonal temperature swing of 48°F / from 25°F in January to 73°F in July. Total annual precipitation is 38.2 inches, with July being the wettest month (4.3") and February the driest (1.7").