Forrest, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Forrest, a village in Livingston County, Illinois.
This Afternoon
64°F
Slight Chance Rain Showers
A slight chance of rain showers and a slight chance of drizzle. Cloudy. High near 64, with temperatures falling to around 56 in the afternoon. West southwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Forrest
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Slight Chance Rain Showers | 15 mph WSW | 8% |
| Tonight | 44°F | Slight Chance Rain Showers then Cloudy | 10 to 15 mph SW | 3% |
| Thursday | 57°F | Mostly Cloudy then Chance Rain | 10 to 15 mph WSW | 36% |
| Thursday Night | 37°F | Chance Rain then Cloudy | 5 to 10 mph NW | 42% |
| Friday | 51°F | Partly Sunny | 10 mph NNW | 4% |
| Friday Night | 29°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Saturday | 53°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 29°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Sunday | 60°F | Sunny | 0 to 10 mph W | 0% |
| Sunday Night | 32°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 64°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 37°F | Clear | 5 mph WSW | 0% |
| Tuesday | 65°F | Sunny | 0 to 5 mph WNW | 1% |
| Tuesday Night | 36°F | Partly Cloudy | 0 mph | 2% |
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 Nov 4, 2026.