Prairie City, IL
Full City Profile · Illinois · McDonough County County
3.2
/5.0
B
Good
386
Population
382/sq mi density
$36,250
Median Income
$21,302 per capita
$80,400
Home Value
$68,013 Zillow
52°F
Avg Temperature
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$36,250 median income, 7.6% unemployment
A+
Affordability
5.0 / 5.0
$80,400 home value, /mo rent
D
Education
2.0 / 5.0
11.9% bachelor's degree or higher
Prairie City experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 24°F in January while summers reach 75°F in July. Annual precipitation totals 38.5 inches. The area receives 21.3 inches of snow annually.
Temperature
24°F Jan (-4°C)
75°F Jul (24°C)
| Annual Average | 51.5°F |
| 5% below US avg | |
| January Average | 24°F (-4°C) |
| July Average | 75°F (24°C) |
Geography
| Elevation | 666 ft (203 m) |
| Area | 0.4 sq mi (1.0 km²) |
| Population Density | 382/sq mi |
| Coordinates | 40.6210°N, 90.4649°W |
| Timezone | America/Chicago |
| County | McDonough County County |
| Nearest Airport | Southeast Iowa Regional (BRL) 36 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 37.5 / 100 |
| Social Vulnerability | 61.9 / 100 |
| Community Resilience | 74.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 24°F (-4°C) | 1.9 in | Coldest |
| February | 29°F (-2°C) | 1.9 in | |
| March | 40°F (4°C) | 2.7 in | |
| April | 52°F (11°C) | 3.8 in | |
| May | 63°F (17°C) | 5.1 in | Wettest |
| June | 72°F (22°C) | 4.8 in | |
| July | 75°F (24°C) | 4.1 in | Warmest |
| August | 73°F (23°C) | 3.2 in | |
| September | 66°F (19°C) | 3.8 in | |
| October | 55°F (13°C) | 3.0 in | |
| November | 41°F (5°C) | 2.4 in | |
| December | 30°F (-1°C) | 1.8 in | Driest |
Prairie City has a seasonal temperature swing of 51°F / from 24°F in January to 75°F in July. Total annual precipitation is 38.5 inches, with May being the wettest month (5.1") and December the driest (1.8").