Sign In Register

Triumph, IL

Full City Profile · Illinois · Lee County County

3.0 /5.0
B Good
75 Population 500/sq mi density
50°F Avg Temperature 275 sunny days/yr
137 Violent Crime/100K 1,517 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
137 violent crimes/100K
A+
Education
5.0 / 5.0
0.0% bachelor's degree or higher
Triumph experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 22°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 38.1 inches. The area receives 28.5 inches of snow annually. Air quality is rated Good with a median AQI of 43.

Temperature

22°F Jan (-6°C) 73°F Jul (23°C)
Annual Average49.6°F
8% below US avg
January Average22°F (-6°C)
July Average73°F (23°C)
Sunny Days275 days/yr

Geography

Elevation667 ft (203 m)
Area0.2 sq mi (0.4 km²)
Population Density500/sq mi
Coordinates41.4993°N, 89.0199°W
TimezoneAmerica/Chicago
CountyLee County County
Nearest AirportIllinois Valley Regional-Walter A Duncan Field (VYS)
12 miles away

Precipitation & Snow

Annual Rainfall 38.1"
0% below US avg
Snowfall 28.5"
Wettest Month (Jun) 4.17"
Driest Month (Feb) 1.22"

Air Quality

AQI Median43.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score54.4 / 100
Social Vulnerability23.2 / 100
Community Resilience82.7 / 100

Hazard Breakdown

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

Earthquake History

8 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.2. Most recent: M2.6 on Mar 15, 2025.

Jun 28, 2004 12 km NW of Dayton, Illinois M4.2 11 km
Feb 10, 2010 2 km NW of Lily Lake, Illinois M3.8 68 km
Sep 2, 1999 8 km W of Amboy, Illinois M3.5 42 km
Nov 4, 2013 1 km SSW of Lyons, Illinois M3.2 105 km
Jul 15, 2024 2 km WNW of Somonauk, Illinois M3.1 30 km
Mar 25, 2015 3 km WNW of Lake in the Hills, Illinois M2.9 94 km
Jun 10, 2013 4 km NNE of Virgil, Illinois M2.6 69 km
Mar 15, 2025 6 km W of Dwight, Illinois M2.6 63 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

669 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 85 fatalities, 1,441 injuries.

Date Rating Distance Fatalities
Aug 28, 1990 EF5 59 km 29
Apr 9, 2015 EF4 45 km 2
Jul 13, 2004 EF4 82 km 0
Mar 29, 1981 EF4 80 km 0
Jun 29, 1979 EF4 66 km 0
Jun 29, 1976 EF4 99 km 0
Jun 13, 1976 EF4 87 km 2
Apr 21, 1967 EF4 81 km 24
Apr 21, 1967 EF4 95 km 1
Apr 11, 1965 EF4 96 km 6
Apr 17, 1963 EF4 85 km 1
Jun 20, 2021 EF3 74 km 0
Feb 28, 2017 EF3 71 km 0
Feb 28, 2017 EF3 20 km 2
Jun 22, 2015 EF3 57 km 0
Jun 5, 2010 EF3 51 km 0
Apr 20, 2004 EF3 35 km 8
May 9, 1995 EF3 69 km 0
Mar 27, 1991 EF3 77 km 0
Apr 27, 1984 EF3 58 km 1
Source: NOAA SPC (EF0+, 1950–2024)

Wildfire History

8 wildfires (100+ acres) within 100 km. Largest: UNNAMED (1,741 ac, 2019).

Year Name Acres Distance
2019 UNNAMED 1,741 72 km
2019 UNNAMED 1,664 77 km
2021 NORTHEAST PRAIRIE UNIT 3 978 84 km
2024 NORTHEAST PRAIRIE 3 RX 938 83 km
2021 UNNAMED 738 82 km
2021 MIDDLE GRANT CREEK 700 74 km
2019 UNNAMED 698 83 km
2017 UNNAMED 549 73 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 22°F (-6°C) 1.4 in Coldest
February 26°F (-4°C) 1.2 in Driest
March 37°F (3°C) 2.6 in
April 49°F (10°C) 3.6 in
May 61°F (16°C) 3.9 in
June 70°F (21°C) 4.2 in Wettest
July 73°F (23°C) 3.8 in Warmest
August 72°F (22°C) 3.9 in
September 64°F (18°C) 3.8 in
October 53°F (11°C) 2.6 in
November 39°F (4°C) 2.7 in
December 26°F (-3°C) 2.1 in

Triumph has a seasonal temperature swing of 51°F / from 22°F in January to 73°F in July. Total annual precipitation is 35.7 inches, with June being the wettest month (4.2") and February the driest (1.2").

View full weather details →