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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.

This Afternoon
71°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 71. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Warren

WhenTempForecastWindPrecip
This Afternoon 71°F Showers And Thunderstorms 5 mph SE 81%
Tonight 60°F Showers And Thunderstorms 5 to 15 mph NE 80%
Sunday 66°F Chance Rain Showers 15 mph NE 48%
Sunday Night 54°F Mostly Cloudy then Slight Chance Rain Showers 15 mph NE 23%
Monday 62°F Chance Rain Showers 15 mph NE 49%
Monday Night 50°F Chance Rain Showers 10 to 15 mph NE 50%
Tuesday 60°F Chance Rain Showers 10 to 15 mph NE 50%
Tuesday Night 48°F Partly Cloudy 5 to 10 mph NE 9%
Wednesday 63°F Mostly Sunny 10 mph NE 6%
Wednesday Night 50°F Partly Cloudy 5 to 10 mph NE 2%
Thursday 66°F Partly Sunny 5 mph NE 9%
Thursday Night 52°F Mostly Cloudy 0 to 5 mph NE 9%
Friday 68°F Partly Sunny 5 mph NE 8%
Friday Night 52°F Partly Cloudy 0 to 5 mph E 8%

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 20, 2026.