Iuka, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Iuka, a village in Marion County, Illinois.
Today
86°F
Sunny
Sunny, with a high near 86. East wind around 3 mph.
7-day forecast for Iuka
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 3 mph E | 0% |
| Tonight | 64°F | Mostly Clear | 0 to 3 mph E | 0% |
| Wednesday | 88°F | Sunny | 1 mph S | 2% |
| Wednesday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 2 mph S | 24% |
| Thursday | 86°F | Chance Showers And Thunderstorms | 5 mph SW | 52% |
| Thursday Night | 69°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 3 mph SE | 56% |
| Friday | 86°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 3 mph SW | 56% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 2 mph S | 35% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 3 mph SW | 35% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph S | 15% |
| Sunday | 90°F | Sunny | 2 to 8 mph SW | 8% |
| Sunday Night | 72°F | Mostly Clear | 6 mph S | 6% |
| Monday | 91°F | Mostly Sunny | 5 to 8 mph SW | 7% |
| Monday Night | 74°F | Partly Cloudy | 6 mph SW | 12% |
Forecast source: National Weather Service (api.weather.gov) for Iuka (38.618, -88.788). Updated through the day.
Growing snapshot for Iuka
Last spring frost
Apr 9
First fall frost
Oct 26
Growing season
197 days
Hardiness zone
6b
More local growing data for Iuka: nearby ZIP 62849 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Salem, Il (10 mi from Iuka). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.