| 19:52 MST |  Clear | -8°C / 18°F | -16°C / 3°F | 53% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KALS 280252Z AUTO 00000KT 10SM CLR M08/M16 A3002 RMK AO2 SLP227 T10781156 55002 |
| 18:52 MST |  Clear | -3°C / 27°F | -14°C / 7°F | 43% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KALS 280152Z AUTO 00000KT 10SM CLR M03/M14 A3002 RMK AO2 SLP222 T10331144 |
| 17:52 MST |  Clear | 2°C / 36°F | -13°C / 9°F | 32% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KALS 280052Z AUTO 00000KT 10SM CLR 02/M13 A3002 RMK AO2 SLP208 T00221133 |
| 16:52 MST |  Clear | 6°C / 43°F | -13°C / 9°F | 24% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KALS 272352Z AUTO 00000KT 10SM CLR 06/M13 A3003 RMK AO2 SLP196 T00561133 10106 20033 56013 |
| 15:52 MST |  Clear | 9°C / 48°F | -13°C / 9°F | 20% | 1017 mb (30.03 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KALS 272252Z AUTO 18004KT 10SM CLR 09/M13 A3004 RMK AO2 SLP182 T00941133 |
| 14:52 MST |  Clear | 10°C / 50°F | -13°C / 9°F | 19% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KALS 272152Z AUTO 00000KT 10SM CLR 10/M13 A3006 RMK AO2 SLP186 T01001128 |
| 13:52 MST |  Clear | 9°C / 48°F | -12°C / 10°F | 21% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KALS 272052Z AUTO 00000KT 10SM CLR 09/M12 A3008 RMK AO2 SLP200 T00891117 56041 |
| 12:52 MST |  Clear | 7°C / 45°F | -12°C / 10°F | 25% | 1020 mb (30.12 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KALS 271952Z AUTO 23005KT 10SM CLR 07/M12 A3013 RMK AO2 SLP214 T00721117 |
| 11:52 MST |  Clear | 6°C / 43°F | -12°C / 10°F | 26% | 1022 mb (30.18 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KALS 271852Z AUTO VRB03KT 10SM CLR 06/M12 A3017 RMK AO2 SLP232 T00561117 |
| 10:52 MST |  Clear | 3°C / 37°F | -12°C / 10°F | 33% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KALS 271752Z AUTO 00000KT 10SM CLR 03/M12 A3023 RMK AO2 SLP257 T00281117 10033 21161 58013 |
| 09:52 MST |  Clear | 1°C / 34°F | -11°C / 12°F | 41% | 1025 mb (30.27 in) | NNE 6 kph (NNE 3.5 mph) | - | 10SM |
| | KALS 271652Z AUTO 02003KT 10SM CLR 01/M11 A3026 RMK AO2 SLP275 T00061111 |
| 08:52 MST |  Clear | -6°C / 21°F | -12°C / 10°F | 63% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KALS 271552Z AUTO 00000KT 10SM CLR M06/M12 A3027 RMK AO2 SLP293 T10611117 |
| 07:52 MST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KALS 271452Z AUTO 00000KT 10SM CLR M12/M15 A3027 RMK AO2 SLP310 T11171150 56005 $ |
| 06:52 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1025 mb (30.27 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KALS 271352Z AUTO 26003KT 10SM CLR M14/M17 A3028 RMK AO2 SLP308 T11441167 $ |
| 05:52 MST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1025 mb (30.27 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KALS 271252Z AUTO 22003KT 10SM CLR M16/M18 A3028 RMK AO2 SLP294 T11561183 $ |
| 04:52 MST |  Clear | -15°C / 5°F | -17°C / 1°F | 85% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KALS 271152Z AUTO 00000KT 10SM CLR M15/M17 A3029 RMK AO2 SLP291 T11501167 11083 21150 56005 $ |
| 03:52 MST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1026 mb (30.3 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KALS 271052Z AUTO 28003KT 10SM CLR M13/M16 A3030 RMK AO2 SLP271 T11281156 $ |
| 02:52 MST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KALS 270952Z AUTO 00000KT 10SM CLR M12/M15 A3030 RMK AO2 SLP270 T11221150 $ |
| 01:52 MST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KALS 270852Z AUTO 00000KT 10SM CLR M13/M16 A3031 RMK AO2 SLP280 T11331161 56005 $ |
| 00:52 MST |  Clear | -11°C / 12°F | -14°C / 7°F | 79% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KALS 270752Z AUTO 00000KT 10SM CLR M11/M14 A3031 RMK AO2 SLP276 T11111144 $ |