Willisville, IL Weather & Growing Conditions
Overnight
70°F
Mostly Clear
Mostly clear. Low around 70, with temperatures rising to around 73 overnight. South wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Mostly Clear | 2 mph S | 2% |
| Saturday | 98°F | Sunny | 3 to 7 mph SW | 2% |
| Saturday Night | 71°F | Mostly Clear | 5 mph SSW | 2% |
| Sunday | 95°F | Mostly Sunny | 6 mph W | 2% |
| Sunday Night | 67°F | Mostly Cloudy then Chance Showers And Thunderstorms | 6 mph N | 44% |
| Monday | 82°F | Showers And Thunderstorms Likely | 5 to 9 mph NNE | 61% |
| Monday Night | 59°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 to 9 mph NNE | 61% |
| Tuesday | 73°F | Slight Chance Showers And Thunderstorms | 7 to 12 mph N | 20% |
| Tuesday Night | 54°F | Partly Cloudy | 5 to 12 mph N | 7% |
| Wednesday | 75°F | Mostly Sunny | 6 to 10 mph N | 2% |
| Wednesday Night | 54°F | Partly Cloudy | 2 to 8 mph N | 0% |
| Thursday | 76°F | Mostly Sunny | 3 to 8 mph N | 2% |
| Thursday Night | 56°F | Partly Cloudy | 2 to 6 mph NNE | 4% |
| Friday | 78°F | Mostly Sunny | 3 to 8 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Willisville, IL
Last spring frost
Apr 12
First fall frost
Oct 22
Growing season
191 days
Hardiness zone
7a
Explore more for Willisville, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Sparta 1 W, Il (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.