Warren, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Warren, a village in Jo Daviess County, Illinois.
Tonight
62°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 9pm and 1am, then showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 62. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Warren
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 62°F | Chance Showers And Thunderstorms | 10 to 15 mph E | 91% |
| Saturday | 75°F | Showers And Thunderstorms | 5 to 10 mph SE | 86% |
| Saturday Night | 61°F | Showers And Thunderstorms | 5 to 10 mph N | 84% |
| Sunday | 66°F | Rain Showers Likely | 15 mph NE | 55% |
| Sunday Night | 54°F | Chance Rain Showers then Mostly Cloudy | 15 mph NE | 43% |
| Monday | 62°F | Chance Rain Showers | 15 mph NE | 43% |
| Monday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 43% |
| Tuesday | 61°F | Chance Rain Showers | 10 to 15 mph NE | 31% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 9% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Wednesday Night | 50°F | Partly Cloudy | 5 mph NE | 2% |
| Thursday | 67°F | Mostly Sunny | 5 mph NE | 6% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 6% |
| Friday | 68°F | Mostly Sunny | 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Warren (42.495, -89.991). Updated through the day.
Growing snapshot for Warren
Last spring frost
Apr 27
First fall frost
Oct 9
Growing season
165 days
Hardiness zone
5a
More local growing data for Warren: nearby ZIP 61087 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Apple Canyon Lake
Apple River
East Dubuque
Elizabeth
Galena
Hanover
Menominee
Nora
Scales Mound
Stockton
The Galena Territory
Climate data from the nearest NOAA station, Stockton 3 Nne, Il (5.6 mi from Warren). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.