Sigel, IL Weather & Growing Conditions
Tonight
69°F
Mostly Cloudy
Mostly cloudy, with a low around 69. South wind around 6 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Mostly Cloudy | 6 mph S | 8% |
| Sunday | 90°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 5 to 9 mph WNW | 21% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 8 to 12 mph NNE | 49% |
| Monday | 75°F | Showers And Thunderstorms Likely | 10 mph NE | 56% |
| Monday Night | 56°F | Chance Rain Showers | 8 to 12 mph NE | 36% |
| Tuesday | 70°F | Chance Rain Showers | 12 mph NE | 32% |
| Tuesday Night | 54°F | Mostly Cloudy | 6 to 12 mph NNE | 9% |
| Wednesday | 71°F | Partly Sunny | 9 mph N | 9% |
| Wednesday Night | 54°F | Partly Cloudy | 3 to 9 mph NNE | 1% |
| Thursday | 74°F | Partly Sunny | 7 mph N | 1% |
| Thursday Night | 55°F | Mostly Cloudy | 2 to 6 mph NNE | 5% |
| Friday | 76°F | Partly Sunny then Slight Chance Rain Showers | 5 to 8 mph NNE | 15% |
| Friday Night | 54°F | Slight Chance Rain Showers then Partly Cloudy | 6 mph NE | 15% |
| Saturday | 79°F | Mostly Sunny | 6 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sigel, IL
Last spring frost
Apr 16
First fall frost
Oct 20
Growing season
185 days
Hardiness zone
6b
Explore more for Sigel, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Neoga 4Nw, Il (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.