Belle Prairie City, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Belle Prairie City, a town in Hamilton County, Illinois.
Overnight
57°F
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy. Low around 57, with temperatures rising to around 59 overnight. South southwest wind around 8 mph. Chance of precipitation is 20%.
7-day forecast for Belle Prairie City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Slight Chance Rain Showers | 8 mph SSW | 15% |
| Wednesday | 64°F | Mostly Cloudy | 6 to 12 mph WSW | 12% |
| Wednesday Night | 43°F | Partly Cloudy | 3 mph WSW | 0% |
| Thursday | 67°F | Sunny | 3 to 10 mph WSW | 0% |
| Thursday Night | 44°F | Partly Cloudy | 2 mph WNW | 0% |
| Friday | 60°F | Partly Sunny | 2 to 12 mph NNW | 0% |
| Friday Night | 36°F | Partly Cloudy | 2 to 8 mph NNW | 0% |
| Saturday | 57°F | Mostly Sunny | 2 to 6 mph NNW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 1 mph NNW | 0% |
| Sunday | 61°F | Sunny | 0 to 7 mph NW | 1% |
| Sunday Night | 33°F | Clear | 2 mph NW | 1% |
| Monday | 65°F | Sunny | 0 to 5 mph WSW | 0% |
| Monday Night | 38°F | Clear | 2 mph SW | 1% |
| Tuesday | 69°F | Sunny | 1 to 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Belle Prairie City (38.223, -88.556). Updated through the day.
Growing snapshot for Belle Prairie City
Last spring frost
Apr 11
First fall frost
Oct 21
Growing season
190 days
Hardiness zone
6b
More local growing data for Belle Prairie City: nearby ZIP 62828 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mcleansboro, Il (8.3 mi from Belle Prairie City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.