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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

WhenTempForecastWindPrecip
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

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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.