| WDDC | |
| City: | Portage, Wisconsin |
| Area: | Portage, Wisconsin Dells |
| Branding: | Thunder 100.1 |
| Frequency: | 100.1 MHz |
| Airdate: | (as WPDR-FM) |
| Format: | Country |
| Erp: | 3,100 watts |
| Haat: | 114m (374feet) |
| Class: | A |
| Facility Id: | 35515 |
| Coordinates: | 43.5283°N -89.4336°W |
| Former Callsigns: | WPDR-FM (1966–1977) |
| Owner: | Magnum Broadcasting |
| Sister Stations: | WBKY, WNNO-FM, WDLS, WAUN, WNFM, WBOO, WRDB, WBOG, WLXR, WTMB |
| Webcast: | Listen Live |
| Website: | thunder100fm.com |
| Licensing Authority: | FCC |
WDDC (100.1 FM, "Thunder 100.1") is a radio station broadcasting a country music format. Prior to country music, WDDC featured an adult contemporary format for many years as "FM 100, WDDC". Licensed to Portage, Wisconsin, United States, the station serves Portage as well as greater Wisconsin Dells and northern portion of the Madison region. The station is currently owned by Magnum Broadcasting.
On March 1, 2011, Magnum Broadcasting announced that they had taken responsibility for WDDC and WPDR, which were located in Portage, Wisconsin. Prior to this date, the stations were controlled by Zoe Communications Inc., based in Shell Lake, WI. The purchase price was reported as $750,000.[1]