Mound Station, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mound Station, a village in Brown County, Illinois.
This Afternoon
91°F
Mostly Cloudy
Mostly cloudy, with a high near 91. Southwest wind around 5 mph.
7-day forecast for Mound Station
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 91°F | Mostly Cloudy | 5 mph SW | 1% |
| Tonight | 69°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SW | 21% |
| Sunday | 79°F | Showers And Thunderstorms Likely | 3 to 9 mph NE | 65% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 8 to 12 mph NE | 84% |
| Monday | 67°F | Showers And Thunderstorms | 12 mph NE | 84% |
| Monday Night | 55°F | Rain Showers Likely | 10 mph NE | 73% |
| Tuesday | 64°F | Chance Rain Showers | 10 mph NE | 26% |
| Tuesday Night | 51°F | Mostly Cloudy | 5 to 9 mph N | 7% |
| Wednesday | 66°F | Partly Sunny | 8 mph N | 2% |
| Wednesday Night | 53°F | Partly Cloudy | 2 to 6 mph NE | 2% |
| Thursday | 70°F | Partly Sunny | 5 mph NE | 1% |
| Thursday Night | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph NE | 15% |
| Friday | 74°F | Slight Chance Rain Showers | 2 to 6 mph NE | 15% |
| Friday Night | 57°F | Partly Cloudy | 5 mph NE | 9% |
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 20, 2026.