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Heyworth, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Heyworth, a village in Mclean County, Illinois.

Tonight
69°F
Partly Cloudy
Partly cloudy, with a low around 69. East southeast wind around 10 mph, with gusts as high as 20 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Heyworth

WhenTempForecastWindPrecip
Tonight 69°F Partly Cloudy 10 mph ESE 5%
Saturday 87°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 10 mph S 21%
Saturday Night 68°F Chance Showers And Thunderstorms 5 to 8 mph S 33%
Sunday 81°F Showers And Thunderstorms Likely 6 to 16 mph NNE 65%
Sunday Night 59°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 14 to 18 mph NE 65%
Monday 68°F Showers And Thunderstorms Likely 16 to 20 mph ENE 63%
Monday Night 53°F Chance Showers And Thunderstorms 15 to 20 mph NE 51%
Tuesday 66°F Chance Rain Showers then Mostly Cloudy 17 mph NE 28%
Tuesday Night 51°F Mostly Cloudy 8 to 17 mph NNE 7%
Wednesday 69°F Partly Sunny 13 mph NNE 3%
Wednesday Night 52°F Partly Cloudy 6 to 12 mph NNE 3%
Thursday 70°F Mostly Sunny 7 to 10 mph NNE 3%
Thursday Night 54°F Partly Cloudy 5 to 10 mph NNE 4%
Friday 73°F Mostly Sunny 7 to 10 mph NNE 4%

Forecast source: National Weather Service (api.weather.gov) for Heyworth (40.314, -88.992). Updated through the day.

Growing snapshot for Heyworth

Last spring frost
Apr 21
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
6a

More local growing data for Heyworth: nearby ZIP 61745 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Bloomington 5W, Il (13.1 mi from Heyworth). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.