Harman US

Sparland, IL Weather & Growing Conditions

Overnight
56°F
Light Rain Likely
Rain likely. Mostly cloudy, with a low around 56. South southwest wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 56°F Light Rain Likely 13 mph SSW 57%
Wednesday 58°F Slight Chance Light Rain then Cloudy 15 mph SW 23%
Wednesday Night 46°F Cloudy 14 mph SW 11%
Thursday 55°F Cloudy then Chance Light Rain 10 to 15 mph W 29%
Thursday Night 42°F Chance Light Rain 6 to 9 mph NW 33%
Friday 51°F Partly Sunny 7 to 12 mph N 3%
Friday Night 32°F Partly Cloudy 1 to 6 mph NNW 0%
Saturday 52°F Sunny 1 to 5 mph NW 0%
Saturday Night 33°F Mostly Clear 3 mph W 2%
Sunday 57°F Sunny 3 to 8 mph W 2%
Sunday Night 34°F Clear 3 mph W 1%
Monday 62°F Sunny 2 to 8 mph SW 0%
Monday Night 39°F Mostly Clear 6 mph WSW 0%
Tuesday 63°F Sunny 5 mph WNW 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Sparland, IL

Last spring frost
Apr 20
First fall frost
Oct 17
Growing season
178 days
Hardiness zone
5b

Explore more for Sparland, IL: full frost dates · planting calendar · Illinois frost dates

Climate data from the nearest NOAA station, Lacon, Il (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.