Biggsville, IL Weather & Growing Conditions
Overnight
69°F
Patchy Fog
Patchy fog between 4am and 5am, then patchy fog and a slight chance of showers and thunderstorms. Partly cloudy. Low around 69, with temperatures rising to around 71 overnight. South wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Patchy Fog | 5 to 10 mph S | 16% |
| Saturday | 85°F | Patchy Fog | 5 to 10 mph S | 23% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 mph W | 80% |
| Sunday | 74°F | Showers And Thunderstorms | 5 to 15 mph N | 83% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 to 15 mph NE | 62% |
| Monday | 65°F | Showers And Thunderstorms Likely | 15 mph NE | 62% |
| Monday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 51% |
| Tuesday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 40% |
| Tuesday Night | 49°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 67°F | Mostly Sunny | 5 to 10 mph NE | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 70°F | Mostly Sunny | 5 mph NE | 5% |
| Thursday Night | 54°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Friday | 72°F | Mostly Sunny | 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.