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Weather & Climate in Norridge, IL
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Norridge experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 25°F in January while summers reach 75°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 37.9 inches. The area receives 38.4 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 43. The city sits at an elevation of 644 feet.
Temperature
25°F Jan (-4°C)
75°F Jul (24°C)
| Annual Average | 51.3°F |
| 5% below US avg | |
| January Average | 25°F (-4°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 644 ft (196 m) |
| Area | 1.8 sq mi (4.7 km²) |
| Population Density | 8,385/sq mi |
| Coordinates | 41.9637°N, 87.8232°W |
| Timezone | America/Chicago |
| County | Cook County County |
| Nearest Airport | Chicago O'Hare International (ORD) 4 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very High |
| Risk Score | 100.0 / 100 |
| Social Vulnerability | 61.7 / 100 |
| Community Resilience | 73.3 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Very Low |
| Earthquake | Relatively High |
| Wildfire | Very Low |
| Flood | Very High |
| Hail | Relatively High |
| Strong Wind | Very High |
| Heat Wave | Very High |
| Winter Weather | Very High |
| Lightning | Very High |
| Ice Storm | Very High |
| Drought | Very Low |
| Cold Wave | Very High |
| Landslide | Very Low |
| Coastal Flood | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
8 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 | 106 km | 10 km |
| Feb 10, 2010 | 2 km NW of Lily Lake, Illinois | M3.8 | 56 km | 10 km |
| Sep 2, 1999 | 8 km W of Amboy, Illinois | M3.5 | 136 km | 5 km |
| Nov 4, 2013 | 1 km SSW of Lyons, Illinois | M3.2 | 18 km | 1 km |
| Jul 15, 2024 | 2 km WNW of Somonauk, Illinois | M3.1 | 82 km | 10 km |
| Mar 25, 2015 | 3 km WNW of Lake in the Hills, Illinois | M2.9 | 51 km | 6 km |
| Jun 10, 2013 | 4 km NNE of Virgil, Illinois | M2.6 | 57 km | 5 km |
| Mar 15, 2025 | 6 km W of Dwight, Illinois | M2.6 | 113 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
533 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 107 fatalities, 2,122 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Aug 28, 1990 | EF5 | 54 km | 16.4 mi | 29 |
| Jun 29, 1979 | EF4 | 60 km | 5.4 mi | 0 |
| Jun 13, 1976 | EF4 | 36 km | 3.3 mi | 2 |
| Sep 28, 1972 | EF4 | 35 km | 5.2 mi | 0 |
| Apr 21, 1967 | EF4 | 95 km | 25.5 mi | 24 |
| Apr 21, 1967 | EF4 | 33 km | 15.0 mi | 33 |
| Apr 21, 1967 | EF4 | 42 km | 8.8 mi | 1 |
| Apr 11, 1965 | EF4 | 54 km | 9.1 mi | 6 |
| Apr 17, 1963 | EF4 | 90 km | 57.3 mi | 1 |
| Jun 20, 2021 | EF3 | 39 km | 17.6 mi | 0 |
| Jun 22, 2015 | EF3 | 86 km | 16.3 mi | 0 |
| Jan 7, 2008 | EF3 | 77 km | 10.8 mi | 0 |
| Jan 7, 2008 | EF3 | 96 km | 13.2 mi | 0 |
| Mar 27, 1991 | EF3 | 49 km | 15.0 mi | 0 |
| Apr 27, 1984 | EF3 | 62 km | 9.0 mi | 1 |
| Mar 12, 1976 | EF3 | 57 km | 22.6 mi | 0 |
| Mar 12, 1976 | EF3 | 77 km | 12.6 mi | 0 |
| Jun 20, 1974 | EF3 | 83 km | 4.5 mi | 0 |
| Oct 24, 1967 | EF3 | 68 km | 0.1 mi | 0 |
| Nov 12, 1965 | EF3 | 54 km | 4.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1954 | MICHIGAN CITY, IN (LAKE MICHIGAN) | Avalanche | 3.0 m | 7 | 83 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
12 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (1,741 acres, 2019).
| Year | Name | Acres Burned | Distance |
| 2019 | UNNAMED | 1,741 | 71 km |
| 2019 | UNNAMED | 1,664 | 70 km |
| 2021 | NORTHEAST PRAIRIE UNIT 3 | 978 | 69 km |
| 2024 | NORTHEAST PRAIRIE 3 RX | 938 | 67 km |
| 1986 | OGDEN DUNS | 863 | 64 km |
| 2021 | UNNAMED | 738 | 67 km |
| 2021 | MIDDLE GRANT CREEK | 700 | 71 km |
| 2019 | UNNAMED | 698 | 67 km |
| 2024 | IBSP SOUTH F1 RX | 690 | 49 km |
| 2021 | 21-INDU TOLLESTON DUNES EAST | 594 | 65 km |
| 2017 | UNNAMED | 549 | 72 km |
| 2017 | 17 INDU COWLES DUNES | 522 | 69 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 25°F (-4°C) | 1.8 in | Coldest |
| February | 28°F (-2°C) | 1.6 in | Driest |
| March | 38°F (3°C) | 2.6 in | |
| April | 49°F (9°C) | 3.8 in | |
| May | 60°F (16°C) | 3.6 in | |
| June | 70°F (21°C) | 4.0 in | |
| July | 75°F (24°C) | 3.7 in | Warmest |
| August | 73°F (23°C) | 4.1 in | Wettest |
| September | 65°F (18°C) | 3.5 in | |
| October | 53°F (12°C) | 2.7 in | |
| November | 40°F (5°C) | 3.1 in | |
| December | 28°F (-2°C) | 2.5 in |
Norridge has a seasonal temperature swing of 50°F / from 25°F in January to 75°F in July. Total annual precipitation is 37.0 inches, with August being the wettest month (4.1") and February the driest (1.6").