La Prairie, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Prairie, a village in Adams County, Illinois.
This Afternoon
85°F
Sunny
Sunny, with a high near 85. East wind around 7 mph.
7-day forecast for La Prairie
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Sunny | 7 mph E | 11% |
| Tonight | 71°F | Partly Cloudy | 8 mph SE | 14% |
| Saturday | 91°F | Partly Sunny | 6 to 9 mph SW | 10% |
| Saturday Night | 68°F | Mostly Cloudy then Chance Showers And Thunderstorms | 6 mph W | 38% |
| Sunday | 80°F | Rain Showers Likely | 3 to 10 mph N | 69% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely | 8 to 12 mph NE | 69% |
| Monday | 67°F | Showers And Thunderstorms Likely | 9 to 13 mph NE | 69% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 12 mph NE | 45% |
| Tuesday | 64°F | Chance Rain Showers then Mostly Cloudy | 12 mph NE | 28% |
| Tuesday Night | 50°F | Mostly Cloudy | 6 to 9 mph NE | 5% |
| Wednesday | 68°F | Mostly Sunny | 8 mph N | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 2 to 6 mph NE | 1% |
| Thursday | 69°F | Mostly Sunny | 6 mph NE | 5% |
| Thursday Night | 56°F | Partly Cloudy | 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for La Prairie (40.147, -91.002). Updated through the day.
Growing snapshot for La Prairie
Last spring frost
Apr 18
First fall frost
Oct 21
Growing season
187 days
Hardiness zone
6a
More local growing data for La Prairie: nearby ZIP 62339 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Adams
Bloomfield
Burton
Camp Point
Clayton
Coatsburg
Columbus
Fall Creek
Fowler
Golden
Kingston
Liberty
Lima
Loraine
Marcelline
Mendon
Paloma
Payson
Plainville
Quincy
Richfield
Ursa
Climate data from the nearest NOAA station, Golden, Il (1.7 mi from La Prairie). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.