Harman US

Morton, IL Weather & Growing Conditions

This Afternoon
70°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy, with a high near 70. South wind around 20 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 70°F Light Rain 20 mph S 84%
Tonight 53°F Light Rain 14 to 20 mph S 85%
Wednesday 59°F Slight Chance Light Rain then Mostly Cloudy 16 mph SW 24%
Wednesday Night 46°F Mostly Cloudy 13 mph SW 4%
Thursday 59°F Partly Sunny 9 to 14 mph WSW 9%
Thursday Night 43°F Mostly Cloudy then Chance Light Rain 5 to 8 mph NW 29%
Friday 54°F Slight Chance Light Rain 8 to 12 mph N 17%
Friday Night 36°F Partly Cloudy 2 to 8 mph NNW 4%
Saturday 53°F Mostly Sunny 5 mph WNW 2%
Saturday Night 35°F Partly Cloudy 3 mph WSW 3%
Sunday 59°F Sunny 3 to 9 mph W 13%
Sunday Night 35°F Mostly Clear 3 to 7 mph W 4%
Monday 64°F Sunny 3 to 12 mph SW 2%
Monday Night 40°F Mostly Clear 3 to 8 mph WSW 1%

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

Growing snapshot for Morton, IL

Last spring frost
Apr 21
First fall frost
Oct 17
Growing season
178 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Congerville 2Nw, Il (10.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.