Forrest, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Forrest, a village in Livingston County, Illinois.
Overnight
62°F
Mostly Clear
Mostly clear, with a low around 62. South wind around 5 mph.
7-day forecast for Forrest
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 85°F | Mostly Sunny | 5 mph S | 6% |
| Tuesday Night | 65°F | Partly Cloudy | 0 to 5 mph S | 1% |
| Wednesday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 32% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph WSW | 87% |
| Thursday | 81°F | Showers And Thunderstorms | 0 to 5 mph SSW | 87% |
| Thursday Night | 63°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 37% |
| Friday | 83°F | Partly Sunny | 0 mph | 11% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 0 mph | 22% |
| Saturday | 86°F | Mostly Sunny | 0 to 5 mph SSW | 12% |
| Saturday Night | 69°F | Mostly Clear | 0 to 5 mph SSW | 12% |
| Sunday | 88°F | Sunny | 5 to 10 mph SSW | 11% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 22% |
| Monday | 88°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 22% |
Forecast source: National Weather Service (api.weather.gov) for Forrest (40.751, -88.410). Updated through the day.
Growing snapshot for Forrest
Last spring frost
Apr 25
First fall frost
Oct 20
Growing season
175 days
Hardiness zone
6a
More local growing data for Forrest: nearby ZIP 61741 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Campus
Chatsworth
Cornell
Cullom
Dwight
Emington
Fairbury
Flanagan
Long Point
Odell
Pontiac
Saunemin
Strawn
Climate data from the nearest NOAA station, Piper City, Il (11.2 mi from Forrest). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.