From the Idaho Statesman. They finally added pre-2008 issues!
BOISE
2 KBCI Boise CBS
3 ESPN
4 KAID Boise PBS/Idaho PTV
5 TBS
6 KIVI Boise ABC
7 KTVB Boise NBC
8 USA Network
9 WGN Chicago IND
10 CNN
11 TNT
12 KTRV Boise FOX
13 Discovery Channel
14 HBO
15 A&E
16 Playboy Channel
17 Cable Value Network
18 Cinemax
19 Prevue Guide
20 Showtime
21 Nickelodeon
22 The Disney Channel
23 Request TV
24 C-SPAN
25 CMT/FNN (time-shared)
26 Family Channel
27 Connection 27 / Fashion Channel (I'm assuming the former is a local access channel)
28 MTV
29 VH1
30 TNN
31 Lifetime
32 The Weather Channel
33 Headline News
34 AMC
35 Univision (only available in Nampa-Caldwell)
Idaho City
2 KBCI CBS
3 HBO
4 KAID PBS
5 TBS
6 KIVI ABC
7 KTVB NBC
8 USA Network
9 WGN
10 CNN
11 Family Channel
12 KTRV FOX
13 ESPN
19 Univision
Ontario/Nyssa OR, Parma/Payette ID
2 KBCI CBS
4 KAID PBS
5 KPTV Portland IND (this is about as far as it gets for Portland TV...notice the others were included too!)
6 KIVI ABC
7 KTVB NBC
8 Local Programming
9 KOAP Portland PBS (probably sourced from KTVR La Grande?)
10 KATU Portland ABC
11 KOIN Portland CBS
12 KTRV FOX
13 KGW Portland NBC
14 Movie Channel (Payette), HBO (Ontario, Parma)
15 Showtime
16 ESPN
17 TBS
18 WGN Chicago IND
19 Univision
20 Family Channel
21 Disney Channel
23 Nickelodeon
24 USA Network
25 A&E
26 Discovery Channel
27 Cable Value Network
28 C-SPAN
29 CNN
30 TNN
31 MTV
Emmett ID
2 Headline News
3 KBCI CBS
4 WGN Chicago IND
5 TBS
6 Weather Channel
8 KAID PBS
9 KIVI ABC
10 KTVB NBC
11 CNN
13 KTRV FOX
15 Cinemax
16 Disney Channel
17 HBO
18 TNN
19 USA Network
20 ESPN
21 Nickelodeon
22 Family Channel
23 MTV
24 Lifetime
25 Discovery Channel
26 Tempo Television
Marsing (with NO HBO!)
2 KBCI CBS
3 Nickelodeon
4 KAID PBS
5 Showtime
6 KIVI ABC
7 KTVB NBC
8 Family Channel
9 ESPN
10 USA Network
11 MTV
12 KTRV FOX
13 CNN
14 Cinemax
16 Disney Channel
17 WGN Chicago IND
18 TBS
Weiser
2 Headline News
3 KBCI CBS
4 Home Shopping Network
5 TBS
6 The Weather Channel
7 The Learning Channel
8 KAID PBS
9 KIVI ABC
10 KTVB NBC
11 CNN
12 Local Weather (locally-originated, of course!)
13 KTRV FOX
15 Cinemax
16 Disney Channel
17 HBO
18 TNN
19 Univision
20 ESPN
21 Nickelodeon
22 Family Channel
23 WGN Chicago IND
24 Lifetime
25 Discovery Channel
26 Tempo Television
McCall
2 Cinemax
3 KBCI CBS
4 KAID PBS
5 HBO
6 KIVI ABC
7 KTVB NBC
8 Nickelodeon
9 ESPN
10 KTRV FOX
11 CNN
12 TBS
13 Weather Channel
16 Disney Channel
17 WGN Chicago IND
18 Headline News
19 Family Channel
20 Home Shopping Network
21 Tempo Television
22 TNN
Mountain Home
2 KBCI CBS
3 HBO
4 KAID PBS
5 Weather Channel
6 KIVI ABC
7 KTVB NBC
8 C-SPAN
9 WGN Chicago IND
10 Family Channel
11 USA Network
12 KTRV FOX
13 TBS
15 The Disney Channel
16 Nickelodeon
17 CNN Headline News
18 Lifetime
19 MTV
20 ESPN
21 Cinemax
22 TNN
BOISE
2 KBCI Boise CBS
3 ESPN
4 KAID Boise PBS/Idaho PTV
5 TBS
6 KIVI Boise ABC
7 KTVB Boise NBC
8 USA Network
9 WGN Chicago IND
10 CNN
11 TNT
12 KTRV Boise FOX
13 Discovery Channel
14 HBO
15 A&E
16 Playboy Channel
17 Cable Value Network
18 Cinemax
19 Prevue Guide
20 Showtime
21 Nickelodeon
22 The Disney Channel
23 Request TV
24 C-SPAN
25 CMT/FNN (time-shared)
26 Family Channel
27 Connection 27 / Fashion Channel (I'm assuming the former is a local access channel)
28 MTV
29 VH1
30 TNN
31 Lifetime
32 The Weather Channel
33 Headline News
34 AMC
35 Univision (only available in Nampa-Caldwell)
Idaho City
2 KBCI CBS
3 HBO
4 KAID PBS
5 TBS
6 KIVI ABC
7 KTVB NBC
8 USA Network
9 WGN
10 CNN
11 Family Channel
12 KTRV FOX
13 ESPN
19 Univision
Ontario/Nyssa OR, Parma/Payette ID
2 KBCI CBS
4 KAID PBS
5 KPTV Portland IND (this is about as far as it gets for Portland TV...notice the others were included too!)
6 KIVI ABC
7 KTVB NBC
8 Local Programming
9 KOAP Portland PBS (probably sourced from KTVR La Grande?)
10 KATU Portland ABC
11 KOIN Portland CBS
12 KTRV FOX
13 KGW Portland NBC
14 Movie Channel (Payette), HBO (Ontario, Parma)
15 Showtime
16 ESPN
17 TBS
18 WGN Chicago IND
19 Univision
20 Family Channel
21 Disney Channel
23 Nickelodeon
24 USA Network
25 A&E
26 Discovery Channel
27 Cable Value Network
28 C-SPAN
29 CNN
30 TNN
31 MTV
Emmett ID
2 Headline News
3 KBCI CBS
4 WGN Chicago IND
5 TBS
6 Weather Channel
8 KAID PBS
9 KIVI ABC
10 KTVB NBC
11 CNN
13 KTRV FOX
15 Cinemax
16 Disney Channel
17 HBO
18 TNN
19 USA Network
20 ESPN
21 Nickelodeon
22 Family Channel
23 MTV
24 Lifetime
25 Discovery Channel
26 Tempo Television
Marsing (with NO HBO!)
2 KBCI CBS
3 Nickelodeon
4 KAID PBS
5 Showtime
6 KIVI ABC
7 KTVB NBC
8 Family Channel
9 ESPN
10 USA Network
11 MTV
12 KTRV FOX
13 CNN
14 Cinemax
16 Disney Channel
17 WGN Chicago IND
18 TBS
Weiser
2 Headline News
3 KBCI CBS
4 Home Shopping Network
5 TBS
6 The Weather Channel
7 The Learning Channel
8 KAID PBS
9 KIVI ABC
10 KTVB NBC
11 CNN
12 Local Weather (locally-originated, of course!)
13 KTRV FOX
15 Cinemax
16 Disney Channel
17 HBO
18 TNN
19 Univision
20 ESPN
21 Nickelodeon
22 Family Channel
23 WGN Chicago IND
24 Lifetime
25 Discovery Channel
26 Tempo Television
McCall
2 Cinemax
3 KBCI CBS
4 KAID PBS
5 HBO
6 KIVI ABC
7 KTVB NBC
8 Nickelodeon
9 ESPN
10 KTRV FOX
11 CNN
12 TBS
13 Weather Channel
16 Disney Channel
17 WGN Chicago IND
18 Headline News
19 Family Channel
20 Home Shopping Network
21 Tempo Television
22 TNN
Mountain Home
2 KBCI CBS
3 HBO
4 KAID PBS
5 Weather Channel
6 KIVI ABC
7 KTVB NBC
8 C-SPAN
9 WGN Chicago IND
10 Family Channel
11 USA Network
12 KTRV FOX
13 TBS
15 The Disney Channel
16 Nickelodeon
17 CNN Headline News
18 Lifetime
19 MTV
20 ESPN
21 Cinemax
22 TNN