Warren, IL Weather & Growing Conditions
Overnight
53°F
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy. Low around 53, with temperatures rising to around 56 overnight. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Slight Chance Rain Showers | 10 to 15 mph S | 22% |
| Wednesday | 57°F | Chance Rain Showers | 15 mph SW | 47% |
| Wednesday Night | 45°F | Chance Rain Showers | 15 mph SW | 30% |
| Thursday | 53°F | Rain Showers Likely | 10 to 15 mph W | 71% |
| Thursday Night | 39°F | Mostly Cloudy | 10 mph N | 11% |
| Friday | 48°F | Partly Sunny | 5 to 10 mph N | 4% |
| Friday Night | 29°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 34°F | Clear | 5 mph W | 0% |
| Monday | 60°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 60°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Warren, IL
Last spring frost
Apr 27
First fall frost
Oct 9
Growing season
165 days
Hardiness zone
5a
Explore more for Warren, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Stockton 3 Nne, Il (5.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.