Harman US

Normal, IL Weather & Growing Conditions

This Afternoon
71°F
Light Rain Likely
Rain likely and a slight chance of thunderstorms. Mostly cloudy, with a high near 71. South wind 20 to 23 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 71°F Light Rain Likely 20 to 23 mph S 63%
Tonight 54°F Light Rain 15 to 18 mph S 86%
Wednesday 61°F Chance Light Rain then Mostly Cloudy 17 mph SW 29%
Wednesday Night 45°F Mostly Cloudy 13 mph SW 5%
Thursday 60°F Partly Sunny 12 to 16 mph WSW 7%
Thursday Night 43°F Mostly Cloudy then Chance Light Rain 6 to 9 mph NW 26%
Friday 55°F Slight Chance Light Rain then Partly Sunny 8 to 13 mph NNW 18%
Friday Night 35°F Mostly Cloudy 3 to 10 mph NNW 7%
Saturday 53°F Mostly Sunny 6 mph WNW 3%
Saturday Night 34°F Partly Cloudy 5 mph W 3%
Sunday 59°F Sunny 5 to 10 mph W 13%
Sunday Night 35°F Mostly Clear 5 to 8 mph W 7%
Monday 64°F Sunny 5 to 13 mph SW 3%
Monday Night 39°F Mostly Clear 6 to 9 mph WSW 2%

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

Growing snapshot for Normal, IL

Last spring frost
Apr 25
First fall frost
Oct 16
Growing season
172 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Normal 4Ne, Il (1.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.