Harman US

Lee Center, IL Weather & Growing Conditions

This Afternoon
73°F
Slight Chance Rain Showers
A slight chance of rain showers. Partly sunny, with a high near 73. East southeast wind around 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 73°F Slight Chance Rain Showers 15 mph ESE 16%
Tonight 64°F Mostly Cloudy then Chance Showers And Thunderstorms 10 mph ESE 40%
Saturday 79°F Showers And Thunderstorms Likely 5 to 10 mph SSE 79%
Saturday Night 63°F Showers And Thunderstorms Likely then Showers And Thunderstorms 5 to 10 mph N 79%
Sunday 69°F Showers And Thunderstorms 10 to 15 mph NE 77%
Sunday Night 55°F Showers And Thunderstorms Likely 15 mph NE 65%
Monday 65°F Chance Rain Showers 15 mph ENE 54%
Monday Night 50°F Chance Rain Showers 10 to 15 mph NE 36%
Tuesday 63°F Chance Rain Showers 10 to 15 mph NE 33%
Tuesday Night 48°F Mostly Cloudy 5 to 10 mph NE 7%
Wednesday 67°F Partly Sunny 5 to 10 mph NNE 4%
Wednesday Night 50°F Partly Cloudy 5 to 10 mph NNE 4%
Thursday 69°F Mostly Sunny 5 mph NNE 4%
Thursday Night 52°F Partly Cloudy 0 to 5 mph NE 4%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Lee Center, IL

Last spring frost
Apr 27
First fall frost
Oct 12
Growing season
167 days
Hardiness zone
5b

Explore more for Lee Center, IL: full frost dates · planting calendar · Illinois frost dates

Climate data from the nearest NOAA station, Compton 1 Nw, Il (9.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.