Sigel, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sigel, a town in Shelby County, Illinois.
Tonight
69°F
Partly Cloudy
Partly cloudy, with a low around 69. Southeast wind around 6 mph.
7-day forecast for Sigel
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Partly Cloudy | 6 mph SE | 8% |
| Saturday | 92°F | Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 20% |
| Saturday Night | 70°F | Mostly Cloudy | 7 mph S | 13% |
| Sunday | 90°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph WNW | 23% |
| Sunday Night | 63°F | Slight Chance Showers And Thunderstorms | 8 mph NNE | 48% |
| Monday | 76°F | Rain Showers Likely | 12 mph NE | 62% |
| Monday Night | 57°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 8 to 13 mph NE | 58% |
| Tuesday | 71°F | Chance Showers And Thunderstorms then Partly Sunny | 12 mph NNE | 37% |
| Tuesday Night | 53°F | Mostly Cloudy | 6 to 12 mph NNE | 7% |
| Wednesday | 73°F | Partly Sunny | 9 mph NNE | 3% |
| Wednesday Night | 54°F | Partly Cloudy | 3 to 9 mph NNE | 2% |
| Thursday | 74°F | Mostly Sunny | 5 to 8 mph N | 3% |
| Thursday Night | 55°F | Partly Cloudy | 3 to 7 mph NNE | 4% |
| Friday | 75°F | Mostly Sunny | 5 to 8 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Sigel (39.225, -88.495). Updated through the day.
Growing snapshot for Sigel
Last spring frost
Apr 16
First fall frost
Oct 20
Growing season
185 days
Hardiness zone
6b
More local growing data for Sigel: nearby ZIP 62462 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Cowden
Findlay
Herrick
Lakewood
Moweaqua
Oconee
Shelbyville
Stewardson
Strasburg
Tower Hill
Westervelt
Windsor
Climate data from the nearest NOAA station, Neoga 4Nw, Il (8.1 mi from Sigel). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.