Dallas City, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dallas City, a city in Hancock County, Illinois.
Today
54°F
Slight Chance Rain Showers then Cloudy
A slight chance of rain showers between 8am and 9am. Cloudy, with a high near 54. West wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Dallas City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 54°F | Slight Chance Rain Showers then Cloudy | 10 to 15 mph W | 16% |
| Tonight | 47°F | Mostly Cloudy | 10 mph SW | 3% |
| Thursday | 56°F | Mostly Cloudy then Chance Rain Showers | 10 mph W | 31% |
| Thursday Night | 45°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 24% |
| Friday | 51°F | Partly Sunny | 5 to 10 mph N | 8% |
| Friday Night | 34°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 36°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 59°F | Sunny | 5 mph W | 1% |
| Sunday Night | 38°F | Clear | 0 to 5 mph W | 0% |
| Monday | 64°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 43°F | Clear | 5 mph W | 0% |
| Tuesday | 65°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 44°F | Partly Cloudy | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov) for Dallas City (40.635, -91.164). Updated through the day.
Growing snapshot for Dallas City
Last spring frost
Apr 21
First fall frost
Oct 19
Growing season
180 days
Hardiness zone
6a
More local growing data for Dallas City: nearby ZIP 62330 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Augusta
Basco
Bentley
Bowen
Carthage
Elvaston
Ferris
Hamilton
La Harpe
Nauvoo
Niota
Plymouth
Pontoosuc
West Point
Climate data from the nearest NOAA station, La Harpe, Il (8.3 mi from Dallas City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.