Harman US

Lane, IL Weather & Growing Conditions

Tonight
68°F
Mostly Cloudy
Mostly cloudy, with a low around 68. Southeast wind around 9 mph, with gusts as high as 16 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 68°F Mostly Cloudy 9 mph SE 4%
Saturday 89°F Slight Chance Showers And Thunderstorms 9 mph SSW 20%
Saturday Night 69°F Chance Showers And Thunderstorms 8 mph SSW 26%
Sunday 83°F Rain Showers Likely 6 to 16 mph NNE 60%
Sunday Night 59°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 14 to 18 mph NE 63%
Monday 70°F Showers And Thunderstorms Likely 16 to 20 mph NE 65%
Monday Night 54°F Showers And Thunderstorms Likely 15 to 20 mph NE 56%
Tuesday 67°F Chance Rain Showers 18 mph NE 33%
Tuesday Night 52°F Mostly Cloudy 9 to 18 mph NNE 8%
Wednesday 70°F Partly Sunny 10 to 14 mph NNE 3%
Wednesday Night 53°F Mostly Cloudy 6 to 14 mph NNE 3%
Thursday 71°F Mostly Sunny 7 to 12 mph NNE 3%
Thursday Night 54°F Partly Cloudy 6 to 12 mph NNE 4%
Friday 73°F Mostly Sunny 7 to 12 mph NNE 4%

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

Growing snapshot for Lane, IL

Last spring frost
Apr 16
First fall frost
Oct 22
Growing season
187 days

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

Climate data from the nearest NOAA station, Decatur Ap, Il (19.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.