Biggsville, IL Weather & Growing Conditions
Tonight
69°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3am. Mostly cloudy. Low around 69, with temperatures rising to around 71 overnight. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph SE | 29% |
| Saturday | 86°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph S | 26% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph NW | 73% |
| Sunday | 75°F | Showers And Thunderstorms Likely | 5 to 10 mph NE | 73% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 72% |
| Monday | 65°F | Rain Showers Likely | 10 to 15 mph NE | 66% |
| Monday Night | 53°F | Chance Rain Showers | 10 mph NE | 50% |
| Tuesday | 63°F | Chance Rain Showers | 10 mph NE | 31% |
| Tuesday Night | 49°F | Partly Cloudy | 5 to 10 mph NE | 6% |
| Wednesday | 67°F | Mostly Sunny | 5 mph NE | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 69°F | Partly Sunny | 5 mph NE | 5% |
| Thursday Night | 54°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Biggsville, IL
Last spring frost
Apr 8
First fall frost
Oct 29
Growing season
202 days
Hardiness zone
5b
Explore more for Biggsville, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Gladstone Dam 18, Il (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.