Harman US

Dowell, IL Weather & Growing Conditions

Today
62°F
Mostly Cloudy
Mostly cloudy, with a high near 62. West southwest wind 6 to 12 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 62°F Mostly Cloudy 6 to 12 mph WSW 6%
Tonight 42°F Partly Cloudy 3 mph WSW 0%
Thursday 69°F Sunny 3 to 8 mph WSW 0%
Thursday Night 44°F Partly Cloudy 3 mph WNW 0%
Friday 60°F Partly Sunny 5 to 12 mph NNW 1%
Friday Night 36°F Partly Cloudy 3 to 7 mph N 0%
Saturday 57°F Mostly Sunny 6 mph NNW 0%
Saturday Night 32°F Partly Cloudy 2 mph NNW 0%
Sunday 62°F Sunny 1 to 7 mph NW 0%
Sunday Night 34°F Clear 2 mph WNW 1%
Monday 66°F Sunny 0 to 6 mph WSW 0%
Monday Night 38°F Clear 2 mph SW 1%
Tuesday 70°F Sunny 5 mph W 1%
Tuesday Night 41°F Mostly Clear 1 mph W 1%

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

Growing snapshot for Dowell, IL

Last spring frost
Apr 6
First fall frost
Oct 22
Growing season
199 days
Hardiness zone
7a

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

Climate data from the nearest NOAA station, Du Quoin 4 Se, Il (4.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.