| 11:53 MST |  Clear | -22°C / -8°F | -26°C / -15°F | 70% | 1019 mb (30.09 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KOLF 151853Z AUTO 09011KT 10SM CLR M22/M26 A3009 RMK AO2 SLP264 T12221261 |
| 10:53 MST |  Partly Cloudy | -25°C / -13°F | -28°C / -18°F | 76% | 1021 mb (30.15 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KOLF 151753Z AUTO 08008KT 10SM FEW095 M25/M28 A3014 RMK AO2 SLP281 T12501283 11250 21361 58031 |
| 09:53 MST |  Clear | -28°C / -18°F | -31°C / -24°F | 75% | 1022 mb (30.18 in) | ENE 15 kph (ENE 9.2 mph) | - | 10SM |
| | KOLF 151653Z AUTO 07008KT 10SM CLR M28/M31 A3019 RMK AO2 SLP298 T12781311 |
| 08:53 MST |  Mostly Cloudy | -30°C / -22°F | -33°C / -27°F | 75% | 1023 mb (30.21 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KOLF 151553Z AUTO 08006KT 10SM BKN075 M30/M33 A3022 RMK AO2 SLP312 T13001328 |
| 07:53 MST |  Clear | -32°C / -26°F | -36°C / -33°F | 67% | 1024 mb (30.24 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KOLF 151453Z AUTO 08005KT 10SM CLR M32/M36 A3024 RMK AO2 SLP321 T13221356 56021 TSNO |
| 06:53 MST |  Clear | -34°C / -29°F | -37°C / -35°F | 74% | 1025 mb (30.27 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KOLF 151353Z AUTO 09004KT 10SM CLR M34/M37 A3026 RMK AO2 SLP330 T13391372 |
| 05:53 MST |  Clear | -34°C / -29°F | N/A | N/A | 1025 mb (30.27 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KOLF 151253Z AUTO 10005KT 10SM CLR M34/ A3027 RMK AO2 SLP332 T1344 |
| 04:53 MST |  Clear | -36°C / -33°F | N/A | N/A | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KOLF 151153Z AUTO 00000KT 10SM CLR M36/ A3031 RMK AO2 SLP343 T1356 11306 21361 58014 |
| 03:53 MST |  Partly Cloudy | -35°C / -31°F | N/A | N/A | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KOLF 151053Z AUTO 00000KT 10SM FEW002 M35/ A3034 RMK AO2 SLP351 T1350 |
| 02:53 MST |  Clear | -35°C / -31°F | N/A | N/A | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KOLF 150953Z AUTO 00000KT 10SM CLR M35/ A3035 RMK AO2 SLP354 T1350 |
| 01:53 MST |  Clear | -33°C / -27°F | -37°C / -35°F | 67% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | KOLF 150853Z AUTO 00000KT 10SM CLR M33/M37 A3035 RMK AO2 SLP352 T13331372 56011 |
| 00:53 MST |  Clear | -34°C / -29°F | -36°C / -33°F | 82% | 1028 mb (30.36 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KOLF 150753Z AUTO 31004KT 10SM CLR M34/M36 A3036 RMK AO2 SLP357 T13391361 |