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.
Today
86°F
Sunny
Sunny, with a high near 86. North northeast wind around 1 mph.
7-day forecast for Belle Prairie City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 1 mph NNE | 0% |
| Tonight | 62°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 89°F | Sunny | 0 mph | 0% |
| Wednesday Night | 68°F | Partly Cloudy | 2 mph S | 7% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 1 to 5 mph SSW | 29% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms | 0 to 3 mph SSE | 58% |
| Friday | 88°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph SW | 58% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 mph SW | 44% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 3 mph SSW | 44% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SSW | 17% |
| Sunday | 91°F | Mostly Sunny | 1 to 7 mph SSW | 7% |
| Sunday Night | 71°F | Mostly Clear | 6 mph SSW | 5% |
| Monday | 92°F | Sunny | 5 to 8 mph SSW | 6% |
| Monday Night | 73°F | Partly Cloudy | 6 mph SSW | 10% |
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 Aug 4, 2026.