Crab Orchard, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Crab Orchard, a community in Williamson County, Illinois.
This Afternoon
100°F
Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 4pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 100, with temperatures falling to around 97 in the afternoon. Heat index values as high as 106. South southwest wind around 7 mph. Chance of precipitation is 20%.
7-day forecast for Crab Orchard
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 100°F | Slight Chance Showers And Thunderstorms | 7 mph SSW | 21% |
| Tonight | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SE | 22% |
| Saturday | 99°F | Sunny | 2 to 8 mph SW | 4% |
| Saturday Night | 73°F | Partly Cloudy | 5 mph SSW | 2% |
| Sunday | 97°F | Sunny | 3 to 9 mph WSW | 6% |
| Sunday Night | 70°F | Partly Cloudy | 5 mph N | 11% |
| Monday | 89°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 10 mph N | 42% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 42% |
| Tuesday | 77°F | Slight Chance Showers And Thunderstorms | 8 to 13 mph N | 20% |
| Tuesday Night | 57°F | Mostly Cloudy | 5 to 13 mph N | 7% |
| Wednesday | 77°F | Mostly Sunny | 6 to 10 mph N | 3% |
| Wednesday Night | 57°F | Partly Cloudy | 2 to 8 mph NNE | 3% |
| Thursday | 78°F | Mostly Sunny | 3 to 9 mph NNE | 2% |
| Thursday Night | 59°F | Partly Cloudy | 2 to 8 mph NNE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Crab Orchard (37.724, -88.810). Updated through the day.
Growing snapshot for Crab Orchard
Last spring frost
Apr 7
First fall frost
Oct 26
Growing season
202 days
Hardiness zone
7a
More local growing data for Crab Orchard: nearby ZIP 62974 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Harrisburg, Il (15.1 mi from Crab Orchard). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.