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
87°F
Sunny
Sunny, with a high near 87. South wind 5 to 10 mph.
7-day forecast for Dallas City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 5 to 10 mph S | 2% |
| Tonight | 70°F | Slight Chance Showers And Thunderstorms | 5 mph E | 24% |
| Wednesday | 81°F | Chance Showers And Thunderstorms | 5 mph SW | 67% |
| Wednesday Night | 66°F | Showers And Thunderstorms | 5 mph N | 85% |
| Thursday | 81°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph NE | 67% |
| Thursday Night | 65°F | Mostly Clear | 0 to 5 mph E | 10% |
| Friday | 83°F | Mostly Sunny | 0 to 5 mph S | 6% |
| Friday Night | 67°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 18% |
| Saturday | 86°F | Slight Chance Showers And Thunderstorms then Sunny | 5 mph S | 18% |
| Saturday Night | 72°F | Mostly Clear | 5 to 10 mph S | 8% |
| Sunday | 88°F | Sunny | 10 to 15 mph SW | 8% |
| Sunday Night | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 19% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph SW | 19% |
| Monday Night | 73°F | Chance Showers And Thunderstorms | 10 mph SW | 27% |
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 Aug 4, 2026.