Mount Zion, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Zion, a village in Macon County, Illinois.
Today
90°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 11am and 1pm. Mostly cloudy, with a high near 90. South southwest wind around 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Mount Zion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Slight Chance Showers And Thunderstorms | 8 mph SSW | 17% |
| Tonight | 69°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 7 mph SSW | 17% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 3 to 12 mph NNW | 46% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms | 12 to 15 mph NE | 61% |
| Monday | 70°F | Showers And Thunderstorms Likely | 17 mph NE | 70% |
| Monday Night | 54°F | Chance Rain Showers | 15 mph NE | 47% |
| Tuesday | 67°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 16 mph NE | 22% |
| Tuesday Night | 51°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 7 to 13 mph NNE | 19% |
| Wednesday | 70°F | Mostly Sunny | 12 mph NNE | 3% |
| Wednesday Night | 52°F | Partly Cloudy | 5 to 10 mph NNE | 3% |
| Thursday | 71°F | Mostly Sunny | 6 to 10 mph NNE | 3% |
| Thursday Night | 54°F | Partly Cloudy | 5 to 9 mph NNE | 3% |
| Friday | 74°F | Mostly Sunny | 6 to 10 mph NE | 2% |
| Friday Night | 53°F | Partly Cloudy | 5 to 9 mph NE | 2% |
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 Sep 19, 2026.