Grand Ridge, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grand Ridge, a village in Lasalle County, Illinois.
Overnight
58°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 58, with temperatures rising to around 61 overnight. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Grand Ridge
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Chance Rain Showers | 15 mph SSW | 41% |
| Wednesday | 62°F | Patchy Drizzle | 15 mph SW | 17% |
| Wednesday Night | 47°F | Patchy Drizzle then Mostly Cloudy | 10 to 15 mph SW | 10% |
| Thursday | 58°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph WSW | 29% |
| Thursday Night | 42°F | Chance Rain Showers | 10 mph NW | 43% |
| Friday | 52°F | Partly Sunny | 10 mph NNW | 9% |
| Friday Night | 33°F | Partly Cloudy | 0 to 10 mph NNW | 0% |
| Saturday | 52°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 0 to 5 mph W | 1% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 3% |
| Sunday Night | 34°F | Clear | 0 to 5 mph W | 0% |
| Monday | 63°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph WSW | 1% |
| Tuesday | 63°F | Sunny | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Grand Ridge (41.236, -88.831). Updated through the day.
Growing snapshot for Grand Ridge
Last spring frost
Apr 27
First fall frost
Oct 17
Growing season
171 days
Hardiness zone
5b
More local growing data for Grand Ridge: nearby ZIP 61325 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Cedar Point
Dana
Dayton
Earlville
Harding
Kangley
LaSalle
Leland
Leonore
Lostant
Marseilles
Mendota
Millington
Naplate
Newark
North Utica
Oglesby
Ottawa
Peru
Ransom
Rutland
Seneca
Serena
Sheridan
Streator
Tonica
Triumph
Troy Grove
Wedron
Wenona
Climate data from the nearest NOAA station, Marseilles Lock, Il (7.1 mi from Grand Ridge). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.