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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
Anchor
Arrowsmith
Bellflower
Bloomington
Chenoa
Colfax
Cooksville
Danvers
Downs
Ellsworth
Gridley
Hudson
Kappa
Le Roy
Lexington
McLean
Normal
Saybrook
Shirley
Stanford
Towanda
Twin Grove
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.