Sparland, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sparland, a village in Marshall County, Illinois.
Overnight
63°F
Mostly Clear
Mostly clear, with a low around 63. South wind around 2 mph.
7-day forecast for Sparland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Clear | 2 mph S | 0% |
| Tuesday | 86°F | Mostly Sunny | 3 to 7 mph SSW | 0% |
| Tuesday Night | 67°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph S | 22% |
| Wednesday | 81°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 51% |
| Wednesday Night | 65°F | Showers And Thunderstorms | 5 mph N | 86% |
| Thursday | 80°F | Showers And Thunderstorms Likely | 5 mph S | 71% |
| Thursday Night | 64°F | Partly Cloudy | 0 to 3 mph SSE | 14% |
| Friday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 mph SSE | 19% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 1 mph SSW | 19% |
| Saturday | 85°F | Mostly Sunny | 2 to 6 mph SSW | 9% |
| Saturday Night | 71°F | Mostly Clear | 3 to 8 mph SSW | 9% |
| Sunday | 88°F | Sunny | 8 to 12 mph SSW | 8% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms | 7 to 10 mph SSW | 25% |
| Monday | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 10 mph SSW | 25% |
Forecast source: National Weather Service (api.weather.gov) for Sparland (41.030, -89.441). Updated through the day.
Growing snapshot for Sparland
Last spring frost
Apr 20
First fall frost
Oct 17
Growing season
178 days
Hardiness zone
5b
More local growing data for Sparland: nearby ZIP 61565 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lacon, Il (4.9 mi from Sparland). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.