Thunder in My Heart by Leo Sayer first appeared on the Israeli foreign-music chart on 16 Oct 1977, entering at #16. It peaked at #4 on 30 Oct 1977. In total it spent 7 weeks on the chart, last charting on 27 Nov 1977. It also made the year-end chart: #25 of 1977.
| Wk | Date | Pos |
|---|---|---|
| 1 | 16 Oct 1977 | 16 |
| 2 | 23 Oct 1977 | 7 |
| 3 | 30 Oct 1977 | 4 |
| 4 | 6 Nov 1977 | 6 |
| 5 | 13 Nov 1977 | 10 |
| 6 | 20 Nov 1977 | 16 |
| 7 | 27 Nov 1977 | 24 |