Dalton City, IL Weather & Growing Conditions
This Afternoon
89°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 89. West southwest wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 89°F | Slight Chance Showers And Thunderstorms | 7 mph WSW | 23% |
| Tonight | 70°F | Mostly Cloudy | 7 mph S | 12% |
| Sunday | 85°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 12 mph NNW | 30% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 13 mph NE | 48% |
| Monday | 72°F | Showers And Thunderstorms Likely | 10 to 16 mph ENE | 67% |
| Monday Night | 54°F | Chance Rain Showers | 13 mph ENE | 44% |
| Tuesday | 68°F | Chance Rain Showers | 15 mph NE | 37% |
| Tuesday Night | 52°F | Mostly Cloudy | 7 to 13 mph NNE | 9% |
| Wednesday | 69°F | Partly Sunny | 12 mph NNE | 5% |
| Wednesday Night | 53°F | Partly Cloudy | 5 to 10 mph NNE | 0% |
| Thursday | 73°F | Partly Sunny | 8 mph NNE | 1% |
| Thursday Night | 55°F | Mostly Cloudy | 3 to 8 mph NNE | 1% |
| Friday | 75°F | Mostly Sunny | 5 to 8 mph NNE | 5% |
| Friday Night | 54°F | Partly Cloudy | 7 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dalton City, IL
Last spring frost
Apr 16
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6a
Explore more for Dalton City, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Decatur Ap, Il (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.