Mound City, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mound City, a city in Pulaski County, Illinois.
Today
64°F
Partly Sunny
Partly sunny. High near 64, with temperatures falling to around 62 in the afternoon. West southwest wind 3 to 9 mph.
7-day forecast for Mound City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Partly Sunny | 3 to 9 mph WSW | 7% |
| Tonight | 43°F | Mostly Clear | 3 mph WSW | 0% |
| Thursday | 69°F | Sunny | 1 to 6 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 2 mph WNW | 0% |
| Friday | 62°F | Mostly Sunny | 2 to 9 mph NNW | 0% |
| Friday Night | 37°F | Partly Cloudy | 2 to 6 mph N | 0% |
| Saturday | 58°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 34°F | Partly Cloudy | 1 mph N | 0% |
| Sunday | 62°F | Mostly Sunny | 0 to 5 mph NNW | 0% |
| Sunday Night | 34°F | Clear | 1 mph N | 0% |
| Monday | 65°F | Sunny | 0 to 3 mph WSW | 0% |
| Monday Night | 37°F | Clear | 1 mph W | 1% |
| Tuesday | 69°F | Sunny | 0 to 3 mph W | 1% |
| Tuesday Night | 41°F | Mostly Clear | 1 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Mound City (37.086, -89.163). Updated through the day.
Growing snapshot for Mound City
Last spring frost
Apr 2
First fall frost
Oct 31
Growing season
211 days
Hardiness zone
7a
More local growing data for Mound City: nearby ZIP 62963 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cairo 3N, Il (3.7 mi from Mound City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.