Crescent City, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Crescent City, a village in Iroquois County, Illinois.
Tonight
64°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 64. East southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Crescent City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph ESE | 16% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SSE | 52% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 5 mph SSW | 62% |
| Sunday | 76°F | Showers And Thunderstorms Likely | 5 to 10 mph NNE | 69% |
| Sunday Night | 56°F | Showers And Thunderstorms Likely | 10 mph NE | 66% |
| Monday | 67°F | Showers And Thunderstorms Likely | 10 mph ENE | 66% |
| Monday Night | 51°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 40% |
| Tuesday | 66°F | Slight Chance Rain Showers | 5 to 10 mph NE | 24% |
| Tuesday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NNE | 15% |
| Wednesday | 69°F | Partly Sunny | 5 mph NNE | 8% |
| Wednesday Night | 51°F | Mostly Cloudy | 0 to 5 mph NNE | 8% |
| Thursday | 71°F | Partly Sunny | 0 to 5 mph NNE | 4% |
| Thursday Night | 53°F | Mostly Cloudy | 0 to 5 mph NNE | 4% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Crescent City (40.772, -87.857). Updated through the day.
Growing snapshot for Crescent City
Last spring frost
Apr 24
First fall frost
Oct 16
Growing season
174 days
Hardiness zone
5b
More local growing data for Crescent City: nearby ZIP 60928 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Ashkum
Beaverville
Buckley
Cissna Park
Clifton
Danforth
Donovan
Gilman
Iroquois
Loda
Martinton
Milford
Onarga
Papineau
Sheldon
Thawville
Watseka
Wellington
Woodland
Climate data from the nearest NOAA station, Watseka 2 Nw, Il (6.1 mi from Crescent City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.