Harman US

Ellisville, IL Weather & Growing Conditions

Tonight
52°F
Light Rain Likely then Slight Chance Rain Showers
Rain likely and a slight chance of thunderstorms before midnight, then a slight chance of rain showers between midnight and 4am. Mostly cloudy, with a low around 52. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 52°F Light Rain Likely then Slight Chance Rain Showers 10 to 15 mph SSW 73%
Wednesday 58°F Chance Rain Showers then Mostly Cloudy 12 to 16 mph SW 14%
Wednesday Night 45°F Mostly Cloudy 10 mph SW 4%
Thursday 58°F Partly Sunny then Slight Chance Light Rain 7 to 12 mph W 15%
Thursday Night 42°F Chance Light Rain 3 to 7 mph NW 30%
Friday 54°F Mostly Cloudy 6 to 9 mph N 14%
Friday Night 35°F Mostly Cloudy 0 to 5 mph N 1%
Saturday 53°F Mostly Sunny 0 to 3 mph WNW 3%
Saturday Night 34°F Partly Cloudy 1 mph WNW 1%
Sunday 60°F Sunny 1 to 7 mph WNW 10%
Sunday Night 35°F Mostly Clear 1 to 5 mph W 3%
Monday 64°F Sunny 1 to 9 mph SW 2%
Monday Night 40°F Mostly Clear 5 mph WSW 0%
Tuesday 66°F Sunny 5 mph NW 0%

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

Growing snapshot for Ellisville, IL

Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
185 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Prairie City 2S, Il (9.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.