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
63°F
Clear
Clear, with a low around 63. South wind around 2 mph.
7-day forecast for Mound Station
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Clear | 2 mph S | 0% |
| Tuesday | 87°F | Sunny | 3 to 7 mph S | 0% |
| Tuesday Night | 69°F | Partly Cloudy | 6 mph S | 14% |
| Wednesday | 85°F | Partly Sunny then Scattered Showers And Thunderstorms | 5 mph S | 47% |
| Wednesday Night | 67°F | Scattered Showers And Thunderstorms then Showers And Thunderstorms | 7 mph N | 89% |
| Thursday | 82°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph S | 89% |
| Thursday Night | 65°F | Partly Cloudy | 3 mph SE | 10% |
| Friday | 84°F | Mostly Sunny | 2 mph S | 6% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 3 mph S | 30% |
| Saturday | 88°F | Slight Chance Showers And Thunderstorms then Sunny | 6 mph SW | 24% |
| Saturday Night | 72°F | Mostly Clear | 5 to 10 mph S | 6% |
| Sunday | 89°F | Sunny | 9 to 13 mph SW | 3% |
| Sunday Night | 72°F | Partly Cloudy | 10 mph S | 12% |
| Monday | 90°F | Mostly Sunny | 12 mph SW | 12% |
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 Aug 4, 2026.