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Forrest, IL Weather & Growing Conditions

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

Overnight
57°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 57, with temperatures rising to around 62 overnight. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Forrest

WhenTempForecastWindPrecip
Overnight 57°F Rain Showers Likely 15 mph SSW 65%
Wednesday 64°F Patchy Drizzle 10 to 15 mph SW 21%
Wednesday Night 46°F Patchy Drizzle then Mostly Cloudy 10 to 15 mph SW 10%
Thursday 60°F Mostly Cloudy then Slight Chance Rain Showers 15 mph WSW 19%
Thursday Night 40°F Chance Rain Showers 5 to 10 mph NW 44%
Friday 51°F Partly Sunny 10 mph NNW 10%
Friday Night 31°F Partly Cloudy 5 to 10 mph NNW 0%
Saturday 54°F Sunny 0 to 5 mph NW 0%
Saturday Night 31°F Mostly Clear 0 mph 1%
Sunday 58°F Sunny 5 to 10 mph W 2%
Sunday Night 32°F Clear 0 to 5 mph W 0%
Monday 64°F Sunny 0 to 10 mph SW 0%
Monday Night 37°F Mostly Clear 5 mph WSW 1%
Tuesday 65°F Sunny 5 mph WNW 0%

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

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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.