Harman US

Sailor Springs, IL Weather & Growing Conditions

Today
96°F
Mostly Sunny
Mostly sunny, with a high near 96. Heat index values as high as 100. West southwest wind around 8 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 96°F Mostly Sunny 8 mph WSW 9%
Tonight 71°F Partly Cloudy 5 mph SSW 5%
Sunday 93°F Mostly Sunny then Slight Chance Showers And Thunderstorms 3 to 7 mph W 16%
Sunday Night 65°F Chance Showers And Thunderstorms 9 mph NNE 50%
Monday 79°F Showers And Thunderstorms Likely 9 to 13 mph NE 63%
Monday Night 57°F Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms 8 to 13 mph NNE 63%
Tuesday 72°F Chance Showers And Thunderstorms 12 mph NNE 30%
Tuesday Night 54°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 6 to 12 mph NNE 21%
Wednesday 74°F Mostly Sunny 7 to 10 mph N 4%
Wednesday Night 54°F Partly Cloudy 3 to 9 mph N 3%
Thursday 75°F Mostly Sunny 5 to 9 mph N 2%
Thursday Night 56°F Partly Cloudy 3 to 8 mph NNE 3%
Friday 77°F Mostly Sunny 5 to 9 mph NNE 3%
Friday Night 55°F Partly Cloudy 3 to 8 mph NE 2%

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

Growing snapshot for Sailor Springs, IL

Last spring frost
Apr 9
First fall frost
Oct 24
Growing season
198 days
Hardiness zone
6b

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

Climate data from the nearest NOAA station, Flora, Il (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.