Hecker, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hecker, a village in Monroe County, Illinois.
This Afternoon
97°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Sunny. High near 97, with temperatures falling to around 91 in the afternoon. South wind around 3 mph. Chance of precipitation is 30%.
7-day forecast for Hecker
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Chance Showers And Thunderstorms | 3 mph S | 26% |
| Tonight | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 2 mph SE | 24% |
| Saturday | 97°F | Mostly Sunny | 2 to 7 mph SW | 6% |
| Saturday Night | 72°F | Partly Cloudy | 5 mph SW | 0% |
| Sunday | 94°F | Mostly Sunny | 6 mph W | 13% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms | 6 mph N | 48% |
| Monday | 82°F | Showers And Thunderstorms Likely | 5 to 9 mph N | 62% |
| Monday Night | 60°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 6 to 10 mph N | 62% |
| Tuesday | 72°F | Slight Chance Rain Showers then Partly Sunny | 10 mph N | 20% |
| Tuesday Night | 54°F | Mostly Cloudy | 5 to 10 mph N | 7% |
| Wednesday | 75°F | Mostly Sunny | 5 to 8 mph N | 3% |
| Wednesday Night | 54°F | Partly Cloudy | 2 to 6 mph N | 2% |
| Thursday | 76°F | Mostly Sunny | 2 to 7 mph N | 2% |
| Thursday Night | 56°F | Partly Cloudy | 2 to 6 mph N | 2% |
Forecast source: National Weather Service (api.weather.gov) for Hecker (38.305, -89.993). Updated through the day.
Growing snapshot for Hecker
Last spring frost
Apr 12
First fall frost
Oct 20
Growing season
189 days
Hardiness zone
7a
More local growing data for Hecker: nearby ZIP 62248 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Belleville Siu Rsch, Il (16.8 mi from Hecker). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.