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
98°F
Sunny
Sunny. High near 98, with temperatures falling to around 96 in the afternoon. West southwest wind 2 to 8 mph.
7-day forecast for Belle Prairie City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 2 to 8 mph WSW | 5% |
| Tonight | 72°F | Mostly Clear | 1 to 5 mph SSW | 2% |
| Sunday | 96°F | Mostly Sunny | 3 to 7 mph W | 2% |
| Sunday Night | 67°F | Mostly Cloudy then Chance Showers And Thunderstorms | 3 to 7 mph N | 42% |
| Monday | 84°F | Showers And Thunderstorms Likely | 6 to 12 mph NE | 61% |
| Monday Night | 59°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 6 to 12 mph NNE | 61% |
| Tuesday | 75°F | Slight Chance Showers And Thunderstorms | 8 to 13 mph NNE | 24% |
| Tuesday Night | 55°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 13 mph N | 20% |
| Wednesday | 76°F | Mostly Sunny | 6 to 10 mph N | 3% |
| Wednesday Night | 55°F | Partly Cloudy | 2 to 10 mph N | 1% |
| Thursday | 77°F | Mostly Sunny | 3 to 9 mph N | 2% |
| Thursday Night | 56°F | Partly Cloudy | 2 to 8 mph NNE | 3% |
| Friday | 78°F | Mostly Sunny | 3 to 9 mph NNE | 3% |
| Friday Night | 55°F | Partly Cloudy | 2 to 8 mph NE | 2% |
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 Sep 19, 2026.