| 10:15 MST |  Clear | -12°C / 10°F | -19°C / -2°F | 56% | 1017 mb (30.03 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KEUL 081715Z AUTO 34005KT 10SM CLR M12/M19 A3004 RMK AO1 |
| 09:55 MST |  Clear | -12°C / 10°F | -19°C / -2°F | 56% | 1017 mb (30.03 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KEUL 081655Z AUTO 34006KT 10SM CLR M12/M19 A3003 RMK AO1 |
| 09:35 MST |  Clear | -13°C / 9°F | -19°C / -2°F | 61% | 1017 mb (30.03 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KEUL 081635Z AUTO 34004KT 10SM CLR M13/M19 A3002 RMK AO1 |
| 09:15 MST |  Clear | -14°C / 7°F | -20°C / -4°F | 61% | 1016 mb (30 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KEUL 081615Z AUTO 34004KT 10SM CLR M14/M20 A3001 RMK AO1 |
| 08:55 MST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1016 mb (30 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KEUL 081555Z AUTO 36003KT 10SM CLR M14/M21 A2999 RMK AO1 |
| 08:35 MST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1015 mb (29.97 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KEUL 081535Z AUTO 30006KT 10SM CLR M14/M21 A2998 RMK AO1 |
| 08:15 MST |  Clear | -14°C / 7°F | -22°C / -8°F | 51% | 1015 mb (29.97 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KEUL 081515Z AUTO 31007KT 10SM CLR M14/M22 A2996 RMK AO1 |
| 07:55 MST |  Clear | -15°C / 5°F | -22°C / -8°F | 55% | 1014 mb (29.94 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KEUL 081455Z AUTO 32008KT 10SM CLR M15/M22 A2995 RMK AO1 52027 |
| 07:35 MST |  Clear | -16°C / 3°F | -22°C / -8°F | 60% | 1014 mb (29.94 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KEUL 081435Z AUTO 31007KT 10SM CLR M16/M22 A2995 RMK AO1 |
| 07:15 MST |  Clear | -15°C / 5°F | -21°C / -6°F | 60% | 1014 mb (29.94 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KEUL 081415Z AUTO 33007KT 10SM CLR M15/M21 A2994 RMK AO1 |
| 06:55 MST |  Clear | -15°C / 5°F | -21°C / -6°F | 60% | 1014 mb (29.94 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KEUL 081355Z AUTO 31006KT 10SM CLR M15/M21 A2993 RMK AO1 |
| 06:35 MST |  Clear | -15°C / 5°F | -21°C / -6°F | 60% | 1013 mb (29.91 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KEUL 081335Z AUTO 31008KT 10SM CLR M15/M21 A2992 RMK AO1 |
| 06:15 MST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1013 mb (29.91 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KEUL 081315Z AUTO 31009KT 10SM CLR M14/M21 A2991 RMK AO1 |
| 05:55 MST |  Clear | -15°C / 5°F | -22°C / -8°F | 55% | 1013 mb (29.91 in) | WNW 13 kph (WNW 8.1 mph) | - | 10SM |
| | KEUL 081255Z AUTO 29007KT 10SM CLR M15/M22 A2990 RMK AO1 |
| 05:35 MST |  Clear | -15°C / 5°F | -21°C / -6°F | 60% | 1013 mb (29.91 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KEUL 081235Z AUTO 30007KT 10SM CLR M15/M21 A2990 RMK AO1 |
| 05:15 MST |  Clear | -14°C / 7°F | -20°C / -4°F | 61% | 1012 mb (29.88 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KEUL 081215Z AUTO 29008KT 10SM CLR M14/M20 A2988 RMK AO1 |
| 04:55 MST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1012 mb (29.88 in) | WNW 19 kph (WNW 11.5 mph) | - | 10SM |
| | KEUL 081155Z AUTO 29010KT 10SM CLR M14/M21 A2987 RMK AO1 70002 11120 21150 52014 |
| 04:35 MST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1012 mb (29.88 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KEUL 081135Z AUTO 30008KT 10SM CLR M14/M21 A2987 RMK AO1 |
| 04:15 MST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1012 mb (29.88 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KEUL 081115Z AUTO 29008KT 10SM CLR M14/M21 A2987 RMK AO1 |
| 03:55 MST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1011 mb (29.85 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KEUL 081055Z AUTO 31008KT 10SM CLR M14/M21 A2986 RMK AO1 |
| 03:35 MST |  Clear | -14°C / 7°F | -20°C / -4°F | 61% | 1011 mb (29.85 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KEUL 081035Z AUTO 28006KT 10SM CLR M14/M20 A2985 RMK AO1 |
| 03:15 MST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1011 mb (29.85 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KEUL 081015Z AUTO 30005KT 10SM CLR M14/M21 A2985 RMK AO1 |
| 02:55 MST |  Clear | -14°C / 7°F | -20°C / -4°F | 61% | 1010 mb (29.83 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KEUL 080955Z AUTO 31009KT 10SM CLR M14/M20 A2984 RMK AO1 |
| 02:35 MST |  Clear | -14°C / 7°F | -19°C / -2°F | 66% | 1010 mb (29.83 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KEUL 080935Z AUTO 30009KT 10SM CLR M14/M19 A2983 RMK AO1 TSNO |
| 02:15 MST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1010 mb (29.83 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KEUL 080915Z AUTO 30008KT 10SM CLR M14/M21 A2983 RMK AO1 TSNO |
| 01:55 MST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1010 mb (29.83 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KEUL 080855Z AUTO 31004KT 10SM CLR M14/M21 A2983 RMK AO1 52010 |
| 01:35 MST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1010 mb (29.83 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KEUL 080835Z AUTO 30007KT 10SM CLR M14/M21 A2983 RMK AO1 |
| 01:15 MST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1010 mb (29.83 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KEUL 080815Z AUTO 26004KT 10SM CLR M14/M21 A2983 RMK AO1 |
| 00:55 MST |  Clear | -13°C / 9°F | -21°C / -6°F | 51% | 1010 mb (29.83 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KEUL 080755Z AUTO 24004KT 10SM CLR M13/M21 A2982 RMK AO1 |
| 00:35 MST |  Clear | -13°C / 9°F | -19°C / -2°F | 61% | 1010 mb (29.83 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KEUL 080735Z AUTO 28006KT 10SM CLR M13/M19 A2982 RMK AO1 |
| 00:15 MST |  Clear | -13°C / 9°F | -19°C / -2°F | 61% | 1009 mb (29.8 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KEUL 080715Z AUTO 30008KT 10SM CLR M13/M19 A2981 RMK AO1 |