Mound Station, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mound Station, a village in Brown County, Illinois.
Overnight
72°F
Mostly Clear
Mostly clear, with a low around 72. South wind around 7 mph.
7-day forecast for Mound Station
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Mostly Clear | 7 mph S | 8% |
| Saturday | 91°F | Mostly Cloudy | 8 mph SW | 9% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 58% |
| Sunday | 78°F | Showers And Thunderstorms | 3 to 10 mph NW | 54% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 9 to 13 mph NE | 71% |
| Monday | 66°F | Showers And Thunderstorms Likely | 13 mph NE | 71% |
| Monday Night | 55°F | Chance Rain Showers | 9 to 13 mph NE | 36% |
| Tuesday | 63°F | Chance Rain Showers | 12 mph NE | 25% |
| Tuesday Night | 50°F | Partly Cloudy | 5 to 10 mph N | 4% |
| Wednesday | 67°F | Mostly Sunny | 8 mph N | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 6 mph NE | 1% |
| Thursday | 70°F | Mostly Sunny | 6 mph NE | 4% |
| Thursday Night | 56°F | Partly Cloudy | 5 mph NE | 4% |
| Friday | 72°F | Mostly Sunny | 3 to 7 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Mound Station (40.007, -90.874). Updated through the day.
Growing snapshot for Mound Station
Last spring frost
Apr 18
First fall frost
Oct 21
Growing season
187 days
Hardiness zone
6a
More local growing data for Mound Station: nearby ZIP 62375 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Golden, Il (11.3 mi from Mound Station). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.