De Soto, IL Weather & Growing Conditions
Tonight
55°F
Showers And Thunderstorms
Showers and thunderstorms before 3am. Mostly cloudy. Low around 55, with temperatures rising to around 58 overnight. South southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Showers And Thunderstorms | 6 to 10 mph SSW | 98% |
| Wednesday | 67°F | Partly Sunny | 5 to 9 mph WSW | 8% |
| Wednesday Night | 42°F | Partly Cloudy | 3 mph SW | 0% |
| Thursday | 68°F | Sunny | 2 to 7 mph SW | 0% |
| Thursday Night | 43°F | Mostly Cloudy | 2 mph WNW | 6% |
| Friday | 60°F | Partly Sunny | 3 to 9 mph NNW | 2% |
| Friday Night | 38°F | Partly Cloudy | 2 to 6 mph NNW | 1% |
| Saturday | 57°F | Partly Sunny | 5 mph NNW | 0% |
| Saturday Night | 34°F | Partly Cloudy | 1 mph NW | 1% |
| Sunday | 62°F | Mostly Sunny | 1 to 6 mph W | 5% |
| Sunday Night | 34°F | Mostly Clear | 3 mph NW | 4% |
| Monday | 65°F | Sunny | 1 to 7 mph W | 2% |
| Monday Night | 37°F | Mostly Clear | 3 mph SW | 0% |
| Tuesday | 69°F | Sunny | 2 to 6 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for De Soto, IL
Last spring frost
Apr 9
First fall frost
Oct 22
Growing season
195 days
Hardiness zone
7a
Explore more for De Soto, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Carbondale Southern Il Ap, Il (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.