Prairietown, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prairietown, a community in Madison County, Illinois.
Today
86°F
Sunny
Sunny, with a high near 86. South wind 3 to 7 mph.
7-day forecast for Prairietown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 3 to 7 mph S | 0% |
| Tonight | 66°F | Mostly Clear | 2 to 6 mph SE | 0% |
| Wednesday | 88°F | Sunny | 2 to 9 mph S | 14% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely | 3 to 8 mph SE | 74% |
| Thursday | 85°F | Showers And Thunderstorms Likely | 6 mph S | 74% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms | 1 to 5 mph SE | 29% |
| Friday | 85°F | Chance Showers And Thunderstorms then Partly Sunny | 1 to 5 mph SW | 29% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 3 mph S | 32% |
| Saturday | 88°F | Chance Showers And Thunderstorms then Mostly Sunny | 1 to 5 mph S | 32% |
| Saturday Night | 70°F | Mostly Clear | 6 mph S | 8% |
| Sunday | 90°F | Sunny | 5 to 9 mph S | 7% |
| Sunday Night | 72°F | Mostly Clear | 5 to 8 mph S | 5% |
| Monday | 91°F | Mostly Sunny | 5 to 9 mph S | 5% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 8 mph S | 17% |
Forecast source: National Weather Service (api.weather.gov) for Prairietown (38.966, -89.923). Updated through the day.
Growing snapshot for Prairietown
Last spring frost
Apr 4
First fall frost
Nov 5
Growing season
214 days
Hardiness zone
6b
More local growing data for Prairietown: nearby ZIP 62021 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Alton - Melvin Price L&D, Il (12.3 mi from Prairietown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.