| 11:55 PST |  Clear | -3°C / 27°F | -11°C / 12°F | 54% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KTCM 091955Z 00000KT 10SM CLR M03/M11 A3030 RMK AO2A SLP268 WND DATA ESTMD T10281110 |
| 10:55 PST |  Clear | -4°C / 25°F | -14°C / 7°F | 46% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KTCM 091855Z 00000KT 10SM CLR M04/M14 A3031 RMK AO2A SLP271 WND DATA ESTMD T10441135 |
| 09:55 PST |  Clear | -7°C / 19°F | -13°C / 9°F | 63% | 1027 mb (30.33 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KTCM 091755Z 18003KT 10SM CLR M07/M13 A3033 RMK AO2A SLP278 WND DATA ESTMD T10701130 11070 21138 51006 |
| 08:55 PST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KTCM 091655Z 00000KT 10SM CLR M11/M13 A3033 RMK AO2A SLP278 WND DATA ESTMD T11111132 |
| 07:55 PST |  Clear | -14°C / 7°F | -16°C / 3°F | 85% | 1027 mb (30.33 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KTCM 091555Z 15004KT 10SM CLR M14/M16 A3032 RMK AO2A SLP276 WND DATA ESTMD T11361159 |
| 06:55 PST |  Clear | -13°C / 9°F | -15°C / 5°F | 85% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KTCM 091455Z 00000KT 10SM CLR M13/M15 A3031 RMK AO2A SLP272 WND DATA ESTMD T11251152 55000 |
| 05:55 PST |  Clear | -13°C / 9°F | -15°C / 5°F | 85% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KTCM 091355Z 00000KT 10SM CLR M13/M15 A3030 RMK AO2A SLP270 WND DATA ESTMD T11281152 |
| 04:55 PST |  Clear | -12°C / 10°F | -14°C / 7°F | 85% | 1026 mb (30.3 in) | Calm | - | 9SM |
| | KTCM 091255Z 00000KT 9SM CLR M12/M14 A3031 RMK AO2A SLP272 WND DATA ESTMD T11211141 |
| 03:55 PST |  Clear | -12°C / 10°F | -14°C / 7°F | 85% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KTCM 091155Z 00000KT 10SM CLR M12/M14 A3031 RMK AO2A SLP271 WND DATA ESTMD T11151142 11086 21125 50001 |
| 02:55 PST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KTCM 091055Z 00000KT 10SM CLR M12/M15 A3031 RMK AO2A SLP272 WND DATA ESTMD T11191147 |
| 01:55 PST |  Clear | -12°C / 10°F | -14°C / 7°F | 85% | 1026 mb (30.3 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KTCM 090955Z AUTO 12004KT 10SM CLR M12/M14 A3031 RMK AO2 SLP270 T11221145 |
| 00:55 PST |  Clear | -11°C / 12°F | -14°C / 7°F | 79% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KTCM 090855Z AUTO 00000KT 10SM CLR M11/M14 A3030 RMK AO2 SLP269 T11111140 53004 |