Harman US

Morrison, IL Weather & Growing Conditions

Tonight
52°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. Low around 52, with temperatures rising to around 54 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 52°F Showers And Thunderstorms 15 mph S 81%
Wednesday 57°F Chance Rain Showers 15 mph SW 32%
Wednesday Night 45°F Slight Chance Rain Showers 10 to 15 mph SW 20%
Thursday 54°F Chance Rain Showers 10 to 15 mph W 51%
Thursday Night 41°F Chance Rain Showers then Mostly Cloudy 5 to 10 mph NW 26%
Friday 52°F Partly Sunny 10 mph N 13%
Friday Night 33°F Partly Cloudy 0 to 5 mph N 1%
Saturday 53°F Mostly Sunny 0 to 5 mph W 3%
Saturday Night 34°F Partly Cloudy 0 to 5 mph W 4%
Sunday 59°F Mostly Sunny 5 to 10 mph W 12%
Sunday Night 34°F Mostly Clear 5 mph W 3%
Monday 62°F Sunny 5 to 10 mph SW 1%
Monday Night 39°F Mostly Clear 5 mph W 0%
Tuesday 63°F Sunny 5 mph NW 0%

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

Growing snapshot for Morrison, IL

Last spring frost
Apr 26
First fall frost
Oct 13
Growing season
167 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Morrison, Il (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.