Dallas City, IL Weather & Growing Conditions
Today
53°F
Slight Chance Drizzle then Cloudy
A slight chance of drizzle before noon. Cloudy, with a high near 53. West wind around 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 53°F | Slight Chance Drizzle then Cloudy | 15 mph W | 14% |
| Tonight | 46°F | Slight Chance Drizzle | 10 mph SW | 11% |
| Thursday | 53°F | Chance Rain Showers | 10 to 15 mph W | 31% |
| Thursday Night | 43°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 24% |
| Friday | 52°F | Partly Sunny | 5 to 10 mph N | 8% |
| Friday Night | 33°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 35°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 59°F | Sunny | 5 mph W | 2% |
| Sunday Night | 36°F | Clear | 0 to 5 mph W | 0% |
| Monday | 64°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 41°F | Clear | 5 mph W | 0% |
| Tuesday | 65°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 42°F | Partly Cloudy | 0 to 5 mph NE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dallas City, IL
Last spring frost
Apr 21
First fall frost
Oct 19
Growing season
180 days
Hardiness zone
6a
Explore more for Dallas City, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, La Harpe, Il (8.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.