Mineral, IL Weather & Growing Conditions
Overnight
54°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. Low around 54, with temperatures rising to around 56 overnight. South wind 10 to 15 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Chance Rain Showers | 10 to 15 mph S | 25% |
| Wednesday | 59°F | Chance Rain Showers then Mostly Cloudy | 15 mph SW | 29% |
| Wednesday Night | 46°F | Mostly Cloudy | 10 to 15 mph SW | 13% |
| Thursday | 56°F | Chance Rain Showers | 10 to 15 mph W | 40% |
| Thursday Night | 41°F | Chance Rain Showers then Mostly Cloudy | 10 mph NW | 26% |
| Friday | 51°F | Partly Sunny | 5 to 10 mph N | 5% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 0 to 5 mph W | 2% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 2% |
| Sunday Night | 34°F | Clear | 0 to 5 mph W | 1% |
| Monday | 63°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 64°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mineral, IL
Last spring frost
Apr 24
First fall frost
Oct 17
Growing season
175 days
Hardiness zone
5b
Explore more for Mineral, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Kewanee 1 E, Il (13.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.