Minonk, IL Weather & Growing Conditions
This Afternoon
71°F
Light Rain Likely
Rain likely and a slight chance of thunderstorms. Mostly cloudy. High near 71, with temperatures falling to around 66 in the afternoon. South wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Light Rain Likely | 17 mph S | 65% |
| Tonight | 55°F | Light Rain | 13 to 17 mph S | 90% |
| Wednesday | 61°F | Chance Light Rain then Mostly Cloudy | 16 mph SW | 32% |
| Wednesday Night | 46°F | Mostly Cloudy | 13 mph SW | 7% |
| Thursday | 59°F | Mostly Cloudy | 9 to 14 mph WSW | 10% |
| Thursday Night | 42°F | Chance Light Rain | 5 to 8 mph NW | 32% |
| Friday | 55°F | Slight Chance Light Rain | 7 to 10 mph N | 21% |
| Friday Night | 35°F | Mostly Cloudy | 2 to 8 mph NNW | 4% |
| Saturday | 54°F | Mostly Sunny | 2 to 6 mph WNW | 3% |
| Saturday Night | 34°F | Partly Cloudy | 3 mph WSW | 2% |
| Sunday | 60°F | Sunny | 3 to 9 mph W | 14% |
| Sunday Night | 34°F | Mostly Clear | 3 to 7 mph W | 6% |
| Monday | 64°F | Sunny | 3 to 12 mph SW | 3% |
| Monday Night | 39°F | Mostly Clear | 5 to 9 mph WSW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Minonk, IL
Last spring frost
Apr 26
First fall frost
Oct 17
Growing season
173 days
Hardiness zone
5b
Explore more for Minonk, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Minonk, Il (1.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.