La Prairie, IL Weather & Growing Conditions
Overnight
52°F
Slight Chance Drizzle
A slight chance of drizzle. Mostly cloudy, with a low around 52. Southwest wind around 13 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Slight Chance Drizzle | 13 mph SW | 14% |
| Wednesday | 55°F | Slight Chance Drizzle | 13 to 16 mph W | 13% |
| Wednesday Night | 44°F | Mostly Cloudy | 12 mph SW | 3% |
| Thursday | 57°F | Mostly Cloudy | 9 to 15 mph W | 13% |
| Thursday Night | 43°F | Slight Chance Light Rain then Mostly Cloudy | 9 mph NW | 21% |
| Friday | 52°F | Partly Sunny | 7 to 12 mph N | 7% |
| Friday Night | 33°F | Partly Cloudy | 1 to 6 mph N | 0% |
| Saturday | 52°F | Mostly Sunny | 1 to 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 3 mph W | 1% |
| Sunday | 58°F | Sunny | 3 to 7 mph W | 2% |
| Sunday Night | 36°F | Clear | 3 mph W | 0% |
| Monday | 64°F | Sunny | 2 to 8 mph SW | 0% |
| Monday Night | 41°F | Clear | 6 mph SW | 0% |
| Tuesday | 66°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for La Prairie, IL
Last spring frost
Apr 18
First fall frost
Oct 21
Growing season
187 days
Hardiness zone
6a
Explore more for La Prairie, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Golden, Il (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.