Cooksville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cooksville, a village in Mclean County, Illinois.
This Afternoon
78°F
Slight Chance Showers And Thunderstorms
Rain showers likely before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm. Mostly cloudy, with a high near 78. East wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Cooksville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Slight Chance Showers And Thunderstorms | 10 mph E | 64% |
| Tonight | 67°F | Partly Cloudy | 10 mph ESE | 9% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 10 mph S | 31% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 9 mph SW | 49% |
| Sunday | 78°F | Showers And Thunderstorms Likely | 5 to 15 mph NNE | 63% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 12 to 16 mph NE | 65% |
| Monday | 67°F | Showers And Thunderstorms Likely | 14 to 17 mph ENE | 68% |
| Monday Night | 52°F | Chance Showers And Thunderstorms | 13 to 17 mph NE | 50% |
| Tuesday | 66°F | Chance Rain Showers | 15 mph NE | 25% |
| Tuesday Night | 50°F | Mostly Cloudy | 8 to 15 mph NNE | 8% |
| Wednesday | 68°F | Partly Sunny | 12 mph NNE | 4% |
| Wednesday Night | 51°F | Partly Cloudy | 5 to 12 mph NNE | 4% |
| Thursday | 71°F | Mostly Sunny | 6 to 9 mph NNE | 3% |
| Thursday Night | 53°F | Partly Cloudy | 5 to 8 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Cooksville (40.543, -88.715). Updated through the day.
Growing snapshot for Cooksville
Last spring frost
Apr 25
First fall frost
Oct 16
Growing season
172 days
Hardiness zone
6a
More local growing data for Cooksville: nearby ZIP 61730 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Normal 4Ne, Il (11.4 mi from Cooksville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.