Scales Mound, IL Weather & Growing Conditions
Today
76°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 76. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Showers And Thunderstorms | 5 to 10 mph S | 86% |
| Tonight | 60°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph NE | 83% |
| Sunday | 67°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 44% |
| Sunday Night | 54°F | Chance Rain Showers | 15 mph NE | 29% |
| Monday | 63°F | Chance Rain Showers | 15 mph NE | 30% |
| Monday Night | 49°F | Slight Chance Rain Showers | 10 to 15 mph NE | 22% |
| Tuesday | 61°F | Slight Chance Rain Showers then Partly Sunny | 10 to 15 mph NE | 18% |
| Tuesday Night | 46°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 65°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Wednesday Night | 49°F | Partly Cloudy | 5 mph NE | 2% |
| Thursday | 66°F | Mostly Sunny | 5 mph NE | 5% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Friday | 69°F | Mostly Sunny | 5 mph NE | 4% |
| Friday Night | 51°F | Partly Cloudy | 0 to 5 mph E | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Scales Mound, IL
Last spring frost
Apr 26
First fall frost
Oct 15
Growing season
170 days
Hardiness zone
5a
Explore more for Scales Mound, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Galena, Il (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.