Lee, IL Weather & Growing Conditions
This Afternoon
67°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 67, with temperatures falling to around 65 in the afternoon. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Rain | 15 to 20 mph S | 75% |
| Tonight | 56°F | Rain | 15 mph S | 91% |
| Wednesday | 59°F | Chance Rain | 15 mph SSW | 44% |
| Wednesday Night | 46°F | Slight Chance Rain | 15 mph SW | 19% |
| Thursday | 54°F | Chance Rain | 10 to 15 mph WSW | 44% |
| Thursday Night | 42°F | Chance Rain | 5 to 10 mph NW | 41% |
| Friday | 50°F | Slight Chance Rain then Mostly Cloudy | 10 mph N | 18% |
| Friday Night | 34°F | Partly Cloudy | 5 to 10 mph NNW | 2% |
| Saturday | 50°F | Mostly Sunny | 5 mph WNW | 2% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph WSW | 3% |
| Sunday | 56°F | Mostly Sunny | 5 to 10 mph W | 12% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 5% |
| Monday | 60°F | Sunny | 5 to 10 mph SW | 2% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lee, IL
Last spring frost
Apr 28
First fall frost
Oct 10
Growing season
163 days
Hardiness zone
5b
Explore more for Lee, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Shabbona 5 Nne, Il (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.