Mount Zion, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Zion, a village in Macon County, Illinois.
Overnight
57°F
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 57. South southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Mount Zion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Chance Light Rain | 14 mph SSW | 29% |
| Wednesday | 61°F | Slight Chance Drizzle | 12 to 15 mph SW | 11% |
| Wednesday Night | 43°F | Slight Chance Drizzle then Mostly Cloudy | 12 mph WSW | 10% |
| Thursday | 61°F | Mostly Cloudy | 10 to 15 mph WSW | 10% |
| Thursday Night | 42°F | Mostly Cloudy | 5 to 9 mph NW | 3% |
| Friday | 53°F | Partly Sunny | 13 mph NNW | 7% |
| Friday Night | 32°F | Partly Cloudy | 2 to 9 mph NNW | 0% |
| Saturday | 52°F | Sunny | 2 to 6 mph NNW | 0% |
| Saturday Night | 31°F | Partly Cloudy | 3 mph WNW | 1% |
| Sunday | 58°F | Sunny | 2 to 9 mph WNW | 1% |
| Sunday Night | 32°F | Clear | 1 to 5 mph W | 1% |
| Monday | 62°F | Sunny | 1 to 8 mph SW | 0% |
| Monday Night | 37°F | Clear | 6 mph SW | 0% |
| Tuesday | 66°F | Sunny | 6 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Mount Zion (39.784, -88.885). Updated through the day.
Growing snapshot for Mount Zion
Last spring frost
Apr 16
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6a
More local growing data for Mount Zion: nearby ZIP 62549 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Argenta
Boody
Dalton City
Decatur
Elwin
Forsyth
Harristown
Long Creek
Macon
Maroa
Niantic
Oreana
Warrensburg
Climate data from the nearest NOAA station, Decatur Ap, Il (4.4 mi from Mount Zion). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.