Prairie City, IL Weather & Growing Conditions
Overnight
51°F
Mostly Cloudy
Mostly cloudy. Low around 51, with temperatures rising to around 54 overnight. Southwest wind around 10 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 10 mph SW | 11% |
| Wednesday | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph SW | 16% |
| Wednesday Night | 45°F | Mostly Cloudy | 10 mph SW | 5% |
| Thursday | 56°F | Slight Chance Rain Showers | 10 to 15 mph W | 24% |
| Thursday Night | 42°F | Chance Rain Showers | 5 to 10 mph NW | 25% |
| Friday | 51°F | Partly Sunny | 5 to 10 mph N | 7% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 0 mph | 1% |
| Sunday | 58°F | Sunny | 0 to 5 mph W | 1% |
| Sunday Night | 34°F | Clear | 0 mph | 0% |
| Monday | 64°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 0 to 5 mph W | 0% |
| Tuesday | 65°F | Sunny | 0 to 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Prairie City, IL
Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
185 days
Hardiness zone
6a
Explore more for Prairie City, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Prairie City 2S, Il (2.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.