| WKAI | |
| City: | Macomb, Illinois |
| Area: | Western Illinois |
| Branding: | K 100 |
| Frequency: | 100.1 MHz |
| Airdate: | 6 June 1966 |
| Format: | Contemporary Hit Radio |
| Erp: | 25,000 watts |
| Haat: | 86m (282feet) |
| Class: | B1 |
| Facility Id: | 60016 |
| Coordinates: | 40.5336°N 90.8625°W (NAD83) |
| Callsign Meaning: | to match original callsign of WCAZ |
| Former Callsigns: | WKAI-FM (1966 - 1984) |
| Owner: | Fletcher Ford |
| Licensee: | Virden Broadcasting Corp. |
| Sister Stations: | WNLF, WJEQ, WMQZ, WLMD |
| Licensing Authority: | FCC |
WKAI (100.1 FM) is a 25,000[1] watt radio station in Macomb, Illinois, in west-central Illinois. WKAI has been on the air since June 6, 1966.[2] It is owned by Fletcher Ford, through licensee Virden Broadcasting Corp.
Survey after survey shows K-100 to be the most popular radio station in McDonough County. K-100 features contemporary hit music of the 80's, 90's and today along with local news, weather, sports and chances to win prizes several times each day. K-100 also carries live play-by-play of Macomb High School football and basketball, and other special sports broadcasts throughout the year.