| Official Name: | Chilly, Idaho |
| Pushpin Map: | Idaho#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Idaho |
| Subdivision Type2: | County |
| Subdivision Name2: | Custer |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Elevation Ft: | 6316 |
| Coordinates: | 44.0778°N -113.8789°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 83235 |
| Area Code: | 208, 986 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 397321 |
Chilly is an unincorporated community in Custer County, Idaho.
A post office called Chilly was established in 1902, and remained in operation until 1958.[1] The community was so named on account of the often chilly air at the elevated town site.[2]
Chilly's population was 107 in 1909,[3] and was 92 in 1940.[4]