Dallas City, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dallas City, a city in Hancock County, Illinois.
Overnight
71°F
Patchy Fog
Patchy fog. Mostly cloudy. Low around 71, with temperatures rising to around 73 overnight. South wind around 5 mph.
7-day forecast for Dallas City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Patchy Fog | 5 mph S | 12% |
| Saturday | 86°F | Patchy Fog then Mostly Cloudy | 5 to 10 mph S | 13% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 5 mph W | 67% |
| Sunday | 75°F | Showers And Thunderstorms | 5 to 10 mph N | 80% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 68% |
| Monday | 65°F | Showers And Thunderstorms Likely | 15 mph NE | 68% |
| Monday Night | 55°F | Chance Rain Showers | 10 to 15 mph NE | 41% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 36% |
| Tuesday Night | 51°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 67°F | Mostly Sunny | 5 to 10 mph NE | 0% |
| Wednesday Night | 54°F | Partly Cloudy | 5 mph NE | 2% |
| Thursday | 70°F | Partly Sunny | 5 mph NE | 5% |
| Thursday Night | 57°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 73°F | Mostly Sunny | 5 mph NE | 5% |
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 Sep 19, 2026.