Biggsville, IL Weather & Growing Conditions
Today
88°F
Mostly Sunny
Mostly sunny. High near 88, with temperatures falling to around 86 in the afternoon. Southwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Mostly Sunny | 5 to 10 mph SW | 2% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 5 mph E | 35% |
| Wednesday | 81°F | Chance Showers And Thunderstorms | 5 mph SW | 66% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 5 mph N | 86% |
| Thursday | 80°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph NE | 62% |
| Thursday Night | 62°F | Partly Cloudy | 0 to 5 mph E | 10% |
| Friday | 83°F | Mostly Sunny | 0 to 5 mph S | 7% |
| Friday Night | 65°F | Mostly Clear | 0 to 5 mph SE | 13% |
| Saturday | 86°F | Sunny | 5 mph S | 12% |
| Saturday Night | 70°F | Mostly Clear | 5 to 10 mph S | 9% |
| Sunday | 88°F | Sunny | 10 mph SW | 9% |
| Sunday Night | 71°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 23% |
| Monday | 87°F | Slight Chance Showers And Thunderstorms | 10 mph S | 23% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 10 mph S | 28% |
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 Aug 4, 2026.