South Roxana, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Roxana, a village in Madison County, Illinois.
This Afternoon
73°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 73, with temperatures falling to around 66 in the afternoon. South wind around 12 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
7-day forecast for South Roxana
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Rain | 12 mph S | 93% |
| Tonight | 53°F | Rain | 9 to 16 mph S | 94% |
| Wednesday | 64°F | Chance Rain Showers then Mostly Cloudy | 8 to 15 mph SW | 12% |
| Wednesday Night | 44°F | Partly Cloudy | 3 to 7 mph SW | 0% |
| Thursday | 66°F | Sunny | 5 to 12 mph W | 1% |
| Thursday Night | 44°F | Mostly Cloudy | 6 mph NW | 8% |
| Friday | 59°F | Mostly Cloudy | 6 to 12 mph NW | 6% |
| Friday Night | 39°F | Partly Cloudy | 2 to 7 mph N | 1% |
| Saturday | 57°F | Mostly Sunny | 5 mph NW | 0% |
| Saturday Night | 36°F | Partly Cloudy | 2 mph NW | 0% |
| Sunday | 62°F | Sunny | 1 to 7 mph W | 8% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 5% |
| Monday | 67°F | Sunny | 2 to 8 mph W | 2% |
| Monday Night | 41°F | Mostly Clear | 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for South Roxana (38.811, -90.060). Updated through the day.
Growing snapshot for South Roxana
Last spring frost
Apr 4
First fall frost
Nov 5
Growing season
214 days
Hardiness zone
7a
More local growing data for South Roxana: nearby ZIP 62087 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 (5.5 mi from South Roxana). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.