Shiloh, IL Weather & Growing Conditions
Today
97°F
Partly Sunny
Partly sunny, with a high near 97. Heat index values as high as 101. Southwest wind 5 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Partly Sunny | 5 to 8 mph SW | 2% |
| Tonight | 73°F | Partly Cloudy | 5 mph SW | 4% |
| Sunday | 93°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 7 mph W | 21% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 9 mph N | 56% |
| Monday | 80°F | Showers And Thunderstorms Likely | 6 to 12 mph NE | 63% |
| Monday Night | 59°F | Showers And Thunderstorms Likely | 6 to 12 mph N | 57% |
| Tuesday | 72°F | Slight Chance Rain Showers then Partly Sunny | 12 mph N | 20% |
| Tuesday Night | 54°F | Mostly Cloudy | 5 to 12 mph N | 6% |
| Wednesday | 74°F | Mostly Sunny | 7 to 10 mph N | 1% |
| Wednesday Night | 55°F | Partly Cloudy | 2 to 8 mph N | 0% |
| Thursday | 76°F | Mostly Sunny | 3 to 8 mph N | 1% |
| Thursday Night | 57°F | Partly Cloudy | 2 to 7 mph NE | 4% |
| Friday | 78°F | Partly Sunny | 3 to 8 mph NE | 5% |
| Friday Night | 57°F | Partly Cloudy | 3 to 7 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Shiloh, IL
Last spring frost
Apr 12
First fall frost
Oct 20
Growing season
189 days
Hardiness zone
7a
Explore more for Shiloh, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Belleville Siu Rsch, Il (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.