Donovan, IL Weather & Growing Conditions
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. South southwest wind around 5 mph, with gusts as high as 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 5 mph SSW | 0% |
| Tonight | 62°F | Partly Cloudy | 5 mph S | 0% |
| Wednesday | 83°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SSW | 19% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 mph | 82% |
| Thursday | 79°F | Showers And Thunderstorms | 0 to 5 mph SSW | 82% |
| Thursday Night | 62°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 55% |
| Friday | 81°F | Partly Sunny | 0 mph | 10% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms | 0 mph | 15% |
| Saturday | 83°F | Mostly Sunny | 0 to 5 mph SSW | 12% |
| Saturday Night | 67°F | Partly Cloudy | 0 to 5 mph SSW | 10% |
| Sunday | 86°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms | 5 mph SSW | 24% |
| Monday | 86°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 24% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 mph SW | 38% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Donovan, IL
Last spring frost
Apr 24
First fall frost
Oct 16
Growing season
174 days
Hardiness zone
5b
Explore more for Donovan, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Watseka 2 Nw, Il (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.