Heyworth, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Heyworth, a village in Mclean County, Illinois.
This Afternoon
71°F
Light Rain Likely
Rain likely and a slight chance of thunderstorms. Mostly cloudy, with a high near 71. South wind around 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 for Heyworth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Light Rain Likely | 23 mph S | 64% |
| Tonight | 53°F | Rain | 16 to 20 mph S | 79% |
| Wednesday | 61°F | Chance Light Rain then Mostly Cloudy | 17 mph SW | 27% |
| Wednesday Night | 44°F | Mostly Cloudy | 14 mph SW | 4% |
| Thursday | 60°F | Mostly Sunny | 12 to 17 mph WSW | 6% |
| Thursday Night | 42°F | Mostly Cloudy then Slight Chance Light Rain | 6 to 10 mph NW | 21% |
| Friday | 55°F | Slight Chance Light Rain then Partly Sunny | 8 to 13 mph NNW | 16% |
| Friday Night | 35°F | Mostly Cloudy | 3 to 12 mph N | 7% |
| Saturday | 54°F | Mostly Sunny | 3 to 7 mph WNW | 2% |
| Saturday Night | 33°F | Partly Cloudy | 5 mph W | 3% |
| Sunday | 60°F | Sunny | 5 to 12 mph W | 13% |
| Sunday Night | 34°F | Mostly Clear | 5 to 9 mph WNW | 7% |
| Monday | 64°F | Sunny | 5 to 14 mph SW | 3% |
| Monday Night | 39°F | Mostly Clear | 6 to 10 mph WSW | 2% |
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
Nearby towns & communities
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Danvers
Downs
Ellsworth
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Hudson
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Le Roy
Lexington
McLean
Normal
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Shirley
Stanford
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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 Nov 4, 2026.