Post Oak, Illinois
Post Oak: a city in Fayette County, Illinois.
About
Post Oak is a city located in the county of Fayette in the U.S. state of Illinois.
Quick Facts about Post Oak
| State | Illinois (United States) |
| County | Fayette County |
| Latitude & Longitude | 39.0903,-88.9092 |
| Time Zone | America/Chicago |
| Local time | 22:30:26 (8th November 2026) |
| Weather | 62℉ Sunny 7-days weather |
Geography
Post Oak is located at 39°5'25"N 88°54'33"W (39.0903200, -88.9092300).
Post Oak map
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Weather
62°F
Sunny
5 to 9 mph SW
Today
Sunny. High near 62, with temperatures falling to around 57 in the afternoon. Southwest wind 5 to 9 mph.
7-Day Forecast
Louden City, Loudon City
Nearby Schools and Colleges
Schools and campuses linked to Post Oak, IL. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 145372 | Greenville University | Greenville (IL) | 62246 |
Nearby Transit Stations (7)
Rail and bus stations connected to Post Oak, IL. Select a station to open its map and address details.
| Code | Name | Address | Type |
|---|---|---|---|
| EFG | Effingham | 401 West National Ave. | RAIL |
| MAT | Mattoon station | 1718 Broadway Ave. | RAIL |
| CEN | Centralia station | 108 East Broadway | RAIL |
| MVI | Mt. Vernon, IL | 102 Potomac Boulevard | BUS |
| CRV | Carlinville | 128 Alton Rd. | RAIL |
Closest post offices linked to Post Oak.
| Post Office Name | City | ZIP |
|---|---|---|
| Saint Elm Post Office | Saint Elmo (IL) | 62458 |
Other cities in Fayette County
Cities, towns, neighborhoods & other populated places in Fayette County , IL.
| City Name | Population | Title |
|---|---|---|
| Vandalia | 6,662 | Township in Fayette County, Illinois |