Garden Prairie, IL Weather & Growing Conditions
Today
76°F
Showers And Thunderstorms then Showers And Thunderstorms Likely
Showers and thunderstorms before noon, then showers and thunderstorms likely between noon and 2pm, then showers and thunderstorms likely. Cloudy, with a high near 76. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph SE | 100% |
| Tonight | 61°F | Showers And Thunderstorms | 0 to 10 mph E | 93% |
| Sunday | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 to 15 mph NE | 55% |
| Sunday Night | 54°F | Slight Chance Rain Showers | 10 to 15 mph NE | 18% |
| Monday | 64°F | Chance Rain Showers | 10 to 15 mph ENE | 31% |
| Monday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 16% |
| Tuesday | 62°F | Mostly Cloudy | 10 to 15 mph NE | 14% |
| Tuesday Night | 48°F | Partly Cloudy | 5 to 10 mph NE | 11% |
| Wednesday | 65°F | Partly Sunny | 5 to 15 mph NE | 4% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 10 mph NE | 1% |
| Thursday | 67°F | Partly Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 50°F | Mostly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 71°F | Partly Sunny | 0 to 10 mph NE | 3% |
| Friday Night | 50°F | Partly Cloudy | 0 to 5 mph ENE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Garden Prairie, IL
Last spring frost
Apr 28
First fall frost
Oct 12
Growing season
166 days
Hardiness zone
5b
Explore more for Garden Prairie, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Marengo, Il (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.