Sidell, IL Weather & Growing Conditions
This Afternoon
76°F
Mostly Sunny
Mostly sunny, with a high near 76. South southeast wind around 16 mph, with gusts as high as 29 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Mostly Sunny | 16 mph SSE | 13% |
| Tonight | 57°F | Rain | 15 to 18 mph S | 84% |
| Wednesday | 64°F | Chance Light Rain then Mostly Cloudy | 10 to 15 mph SSW | 29% |
| Wednesday Night | 45°F | Mostly Cloudy | 8 mph SW | 0% |
| Thursday | 63°F | Mostly Sunny | 7 to 13 mph WSW | 2% |
| Thursday Night | 43°F | Mostly Cloudy | 5 mph WNW | 5% |
| Friday | 57°F | Mostly Cloudy | 3 to 9 mph NNW | 11% |
| Friday Night | 36°F | Mostly Cloudy | 3 to 7 mph NNW | 6% |
| Saturday | 55°F | Mostly Sunny | 3 mph NW | 2% |
| Saturday Night | 33°F | Partly Cloudy | 2 mph W | 2% |
| Sunday | 60°F | Sunny | 2 to 7 mph W | 10% |
| Sunday Night | 33°F | Mostly Clear | 5 mph WNW | 9% |
| Monday | 63°F | Sunny | 3 to 9 mph WSW | 5% |
| Monday Night | 38°F | Mostly Clear | 5 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sidell, IL
Last spring frost
Apr 19
First fall frost
Oct 19
Growing season
181 days
Hardiness zone
6a
Explore more for Sidell, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Sidell 4N, Il (4.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.