St. Anne, IL Weather & Growing Conditions
Today
81°F
Showers And Thunderstorms
Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Cloudy. High near 81, with temperatures falling to around 79 in the afternoon. Southeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Showers And Thunderstorms | 5 mph SE | 87% |
| Tonight | 65°F | Showers And Thunderstorms Likely | 0 to 5 mph SSW | 70% |
| Sunday | 73°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph N | 71% |
| Sunday Night | 55°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 48% |
| Monday | 66°F | Rain Showers Likely | 10 to 15 mph ENE | 57% |
| Monday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 45% |
| Tuesday | 65°F | Slight Chance Rain Showers | 10 mph NE | 19% |
| Tuesday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NNE | 19% |
| Wednesday | 67°F | Partly Sunny | 5 to 10 mph NNE | 7% |
| Wednesday Night | 51°F | Mostly Cloudy | 5 to 10 mph NNE | 3% |
| Thursday | 69°F | Partly Sunny | 5 to 10 mph NNE | 2% |
| Thursday Night | 52°F | Partly Cloudy | 0 to 5 mph NNE | 2% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph NNE | 3% |
| Friday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Anne, IL
Last spring frost
Apr 19
First fall frost
Oct 24
Growing season
188 days
Hardiness zone
5b
Explore more for St. Anne, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Kankakee Metro Wastewater, Il (10.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.