Harman US

Lena, IL Weather & Growing Conditions

Overnight
62°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am, then showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy. Low around 62, with temperatures rising to around 64 overnight. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 62°F Chance Showers And Thunderstorms 10 mph E 87%
Saturday 76°F Showers And Thunderstorms 5 to 10 mph SE 85%
Saturday Night 61°F Showers And Thunderstorms 5 to 10 mph N 81%
Sunday 67°F Rain Showers Likely 15 mph NE 57%
Sunday Night 54°F Chance Rain Showers 15 mph NE 46%
Monday 63°F Chance Rain Showers 15 mph NE 44%
Monday Night 49°F Chance Rain Showers 10 to 15 mph NE 44%
Tuesday 62°F Chance Rain Showers 10 to 15 mph NE 29%
Tuesday Night 47°F Partly Cloudy 5 to 10 mph NE 9%
Wednesday 65°F Mostly Sunny 5 to 10 mph NE 4%
Wednesday Night 49°F Partly Cloudy 5 mph NE 2%
Thursday 67°F Mostly Sunny 5 mph NE 6%
Thursday Night 51°F Partly Cloudy 0 to 5 mph NE 6%
Friday 69°F Mostly Sunny 5 mph NE 5%

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

Growing snapshot for Lena, IL

Last spring frost
Apr 27
First fall frost
Oct 9
Growing season
165 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Stockton 3 Nne, Il (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.