| 07:35 MST |  Clear | -19°C / -2°F | -24°C / -11°F | 65% | 1024 mb (30.24 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KEUL 101435Z AUTO 10004KT 10SM CLR M19/M24 A3025 RMK AO1 TSNO |
| 07:15 MST |  Clear | -19°C / -2°F | -23°C / -9°F | 71% | 1024 mb (30.24 in) | ESE 9 kph (ESE 5.8 mph) | - | 10SM |
| | KEUL 101415Z AUTO 11005KT 10SM CLR M19/M23 A3025 RMK AO1 TSNO |
| 06:55 MST |  Clear | -19°C / -2°F | -25°C / -13°F | 59% | 1024 mb (30.24 in) | SE 11 kph (SE 6.9 mph) | - | 10SM |
| | KEUL 101355Z AUTO 12006KT 10SM CLR M19/M25 A3025 RMK AO1 |
| 06:35 MST |  Clear | -19°C / -2°F | -24°C / -11°F | 65% | 1024 mb (30.24 in) | SE 11 kph (SE 6.9 mph) | - | 10SM |
| | KEUL 101335Z AUTO 12006KT 10SM CLR M19/M24 A3024 RMK AO1 |
| 06:15 MST |  Clear | -19°C / -2°F | -24°C / -11°F | 65% | 1024 mb (30.24 in) | ESE 9 kph (ESE 5.8 mph) | - | 10SM |
| | KEUL 101315Z AUTO 11005KT 10SM CLR M19/M24 A3024 RMK AO1 |
| 05:55 MST |  Clear | -19°C / -2°F | -23°C / -9°F | 71% | 1024 mb (30.24 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KEUL 101255Z AUTO 15005KT 10SM CLR M19/M23 A3024 RMK AO1 |
| 05:35 MST |  Clear | -19°C / -2°F | -23°C / -9°F | 71% | 1024 mb (30.24 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KEUL 101235Z AUTO 16006KT 10SM CLR M19/M23 A3024 RMK AO1 |
| 05:15 MST |  Clear | -19°C / -2°F | -24°C / -11°F | 65% | 1024 mb (30.24 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KEUL 101215Z AUTO 15006KT 10SM CLR M19/M24 A3025 RMK AO1 |
| 04:55 MST |  Clear | -19°C / -2°F | -23°C / -9°F | 71% | 1024 mb (30.24 in) | ESE 11 kph (ESE 6.9 mph) | - | 10SM |
| | KEUL 101155Z AUTO 11006KT 10SM CLR M19/M23 A3024 RMK AO1 11160 21200 54000 |
| 04:35 MST |  Clear | -19°C / -2°F | -24°C / -11°F | 65% | 1024 mb (30.24 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KEUL 101135Z AUTO 10008KT 10SM CLR M19/M24 A3024 RMK AO1 |
| 04:15 MST |  Clear | -20°C / -4°F | -24°C / -11°F | 71% | 1024 mb (30.24 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KEUL 101115Z AUTO 09005KT 10SM CLR M20/M24 A3025 RMK AO1 |
| 03:55 MST |  Clear | -20°C / -4°F | -24°C / -11°F | 71% | 1024 mb (30.24 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KEUL 101055Z AUTO 08003KT 10SM CLR M20/M24 A3025 RMK AO1 |
| 03:35 MST |  Clear | -19°C / -2°F | -24°C / -11°F | 65% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KEUL 101035Z AUTO 00000KT 10SM CLR M19/M24 A3025 RMK AO1 |
| 03:15 MST |  Clear | -19°C / -2°F | -23°C / -9°F | 71% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KEUL 101015Z AUTO 00000KT 10SM CLR M19/M23 A3024 RMK AO1 |
| 02:55 MST |  Clear | -18°C / 0°F | -23°C / -9°F | 65% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KEUL 100955Z AUTO 00000KT 10SM CLR M18/M23 A3024 RMK AO1 |
| 02:35 MST |  Clear | -18°C / 0°F | -23°C / -9°F | 65% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KEUL 100935Z AUTO 00000KT 10SM CLR M18/M23 A3024 RMK AO1 |
| 02:15 MST |  Clear | -18°C / 0°F | -23°C / -9°F | 65% | 1024 mb (30.24 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KEUL 100915Z AUTO 19004KT 10SM CLR M18/M23 A3024 RMK AO1 |
| 01:55 MST |  Clear | -18°C / 0°F | -23°C / -9°F | 65% | 1024 mb (30.24 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KEUL 100855Z AUTO 19003KT 10SM CLR M18/M23 A3024 RMK AO1 57003 |
| 01:35 MST |  Clear | -19°C / -2°F | -26°C / -15°F | 54% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KEUL 100835Z AUTO 00000KT 10SM CLR M19/M26 A3024 RMK AO1 |
| 01:15 MST |  Clear | -18°C / 0°F | -23°C / -9°F | 65% | 1024 mb (30.24 in) | ENE 9 kph (ENE 5.8 mph) | - | 10SM |
| | KEUL 100815Z AUTO 07005KT 10SM CLR M18/M23 A3024 RMK AO1 |
| 00:55 MST |  Clear | -18°C / 0°F | -22°C / -8°F | 71% | 1024 mb (30.24 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KEUL 100755Z AUTO 09006KT 10SM CLR M18/M22 A3024 RMK AO1 |
| 00:35 MST |  Clear | -18°C / 0°F | -24°C / -11°F | 60% | 1024 mb (30.24 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KEUL 100735Z AUTO 08007KT 10SM CLR M18/M24 A3025 RMK AO1 |
| 00:15 MST |  Clear | -18°C / 0°F | -22°C / -8°F | 71% | 1024 mb (30.24 in) | E 7 kph (E 4.6 mph) | - | 6SM |
| | KEUL 100715Z AUTO 10004KT 6SM CLR M18/M22 A3025 RMK AO1 |