Sibley, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sibley, a village in Ford County, Illinois.
This Afternoon
73°F
Chance Rain
A chance of rain. Mostly cloudy. High near 73, with temperatures falling to around 70 in the afternoon. South wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Sibley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Chance Rain | 20 to 25 mph S | 41% |
| Tonight | 57°F | Rain | 15 to 20 mph S | 82% |
| Wednesday | 62°F | Chance Rain then Mostly Cloudy | 15 mph SW | 36% |
| Wednesday Night | 46°F | Mostly Cloudy | 10 to 15 mph SW | 4% |
| Thursday | 61°F | Partly Sunny | 10 to 15 mph WSW | 6% |
| Thursday Night | 42°F | Mostly Cloudy then Chance Rain | 5 to 10 mph WNW | 27% |
| Friday | 56°F | Slight Chance Rain then Partly Sunny | 5 to 10 mph NNW | 18% |
| Friday Night | 34°F | Mostly Cloudy | 5 to 10 mph NNW | 5% |
| Saturday | 54°F | Mostly Sunny | 5 mph WNW | 3% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 5 mph W | 4% |
| Sunday | 60°F | Sunny | 5 to 10 mph W | 10% |
| Sunday Night | 33°F | Mostly Clear | 5 mph WNW | 9% |
| Monday | 64°F | Sunny | 5 to 10 mph WSW | 3% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph WSW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Sibley (40.588, -88.378). Updated through the day.
Growing snapshot for Sibley
Last spring frost
Apr 21
First fall frost
Oct 17
Growing season
178 days
Hardiness zone
6a
More local growing data for Sibley: nearby ZIP 61773 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Gibson City, Il (6.5 mi from Sibley). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.