| 21:54 MST |  Clear | -10°C / 14°F | -13°C / 9°F | 79% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | K20V 260454Z AUTO 00000KT 10SM CLR M10/M13 A3043 RMK AO2 |
| 21:34 MST |  Clear | -10°C / 14°F | -13°C / 9°F | 79% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | K20V 260434Z AUTO 00000KT 10SM CLR M10/M13 A3043 RMK AO2 |
| 21:14 MST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1030 mb (30.42 in) | Calm | - | 7SM |
| | K20V 260414Z AUTO 00000KT 7SM CLR M08/M12 A3043 RMK AO2 |
| 20:54 MST |  Clear | -8°C / 18°F | -12°C / 10°F | 73% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | K20V 260354Z AUTO 00000KT 10SM CLR M08/M12 A3041 RMK AO2 |
| 20:34 MST |  Clear | -10°C / 14°F | -15°C / 5°F | 67% | 1030 mb (30.42 in) | ESE 6 kph (ESE 3.5 mph) | - | 10SM |
| | K20V 260334Z AUTO 11003KT 10SM CLR M10/M15 A3041 RMK AO2 |
| 20:14 MST |  Clear | -8°C / 18°F | -13°C / 9°F | 68% | 1030 mb (30.42 in) | Calm | - | 7SM |
| | K20V 260314Z AUTO 00000KT 7SM CLR M08/M13 A3041 RMK AO2 |
| 19:54 MST |  Clear | -7°C / 19°F | -11°C / 12°F | 73% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | K20V 260254Z AUTO 00000KT 10SM CLR M07/M11 A3040 RMK AO2 |
| 19:34 MST |  Clear | -6°C / 21°F | -12°C / 10°F | 63% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | K20V 260234Z AUTO 00000KT 10SM CLR M06/M12 A3039 RMK AO2 |
| 19:14 MST |  Clear | -5°C / 23°F | -12°C / 10°F | 58% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | K20V 260214Z AUTO 00000KT 10SM CLR M05/M12 A3039 RMK AO2 |
| 18:54 MST |  Clear | -5°C / 23°F | -12°C / 10°F | 58% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | K20V 260154Z AUTO 00000KT 10SM CLR M05/M12 A3038 RMK AO2 |
| 18:34 MST |  Clear | -5°C / 23°F | -12°C / 10°F | 58% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | K20V 260134Z AUTO 00000KT 10SM CLR M05/M12 A3038 RMK AO2 |
| 18:14 MST |  Clear | -4°C / 25°F | -12°C / 10°F | 54% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | K20V 260114Z AUTO 00000KT 10SM CLR M04/M12 A3037 RMK AO2 |
| 17:02 MST |  Clear | 0°C / 32°F | -10°C / 14°F | 47% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | K20V 260002Z AUTO 00000KT 10SM CLR 00/M10 A3037 RMK AO2 |
| 16:54 MST |  Clear | 0°C / 32°F | -11°C / 12°F | 44% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | K20V 252354Z AUTO 00000KT 10SM CLR 00/M11 A3037 RMK AO2 |
| 16:34 MST |  Clear | 1°C / 34°F | -11°C / 12°F | 41% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | K20V 252334Z AUTO 00000KT 10SM CLR 01/M11 A3037 RMK AO2 |
| 16:14 MST |  Clear | 2°C / 36°F | -11°C / 12°F | 38% | 1028 mb (30.36 in) | ESE 7 kph (ESE 4.6 mph) | - | 10SM |
| | K20V 252314Z AUTO 11004KT 10SM CLR 02/M11 A3037 RMK AO2 |
| 15:02 MST |  Clear | 5°C / 41°F | -11°C / 12°F | 31% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | K20V 252202Z AUTO 00000KT 10SM CLR 05/M11 A3036 RMK AO2 |
| 14:54 MST |  Clear | 5°C / 41°F | -11°C / 12°F | 31% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | K20V 252154Z AUTO 00000KT 10SM CLR 05/M11 A3036 RMK AO2 |
| 14:34 MST |  Clear | 3°C / 37°F | -11°C / 12°F | 35% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | K20V 252134Z AUTO 00000KT 10SM CLR 03/M11 A3036 RMK AO2 |
| 14:14 MST |  Clear | 3°C / 37°F | -12°C / 10°F | 33% | 1028 mb (30.36 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | K20V 252114Z AUTO 13003KT 10SM CLR 03/M12 A3036 RMK AO2 |
| 13:13 MST |  Clear | 1°C / 34°F | -13°C / 9°F | 35% | 1028 mb (30.36 in) | Calm | - | 10SM |
| | K20V 252013Z AUTO 00000KT 10SM CLR 01/M13 A3037 RMK AO2 |
| 12:54 MST |  Clear | 1°C / 34°F | -12°C / 10°F | 38% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | K20V 251954Z AUTO 00000KT 10SM CLR 01/M12 A3038 RMK AO2 |
| 12:34 MST |  Clear | -1°C / 30°F | -13°C / 9°F | 40% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | K20V 251934Z AUTO 00000KT 10SM CLR M01/M13 A3038 RMK AO2 |
| 12:14 MST |  Clear | 0°C / 32°F | -12°C / 10°F | 40% | 1029 mb (30.39 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | K20V 251914Z AUTO 27003KT 10SM CLR 00/M12 A3039 RMK AO2 |
| 11:54 MST |  Clear | -1°C / 30°F | -13°C / 9°F | 40% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | K20V 251854Z AUTO 00000KT 10SM CLR M01/M13 A3040 RMK AO2 |
| 11:34 MST |  Clear | -2°C / 28°F | -13°C / 9°F | 43% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | K20V 251834Z AUTO 00000KT 10SM CLR M02/M13 A3041 RMK AO2 |
| 11:14 MST |  Clear | -3°C / 27°F | -13°C / 9°F | 46% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | K20V 251814Z AUTO 00000KT 10SM CLR M03/M13 A3042 RMK AO2 |
| 10:54 MST |  Clear | -5°C / 23°F | -13°C / 9°F | 54% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | K20V 251754Z AUTO 00000KT 10SM CLR M05/M13 A3044 RMK AO2 |
| 10:34 MST |  Clear | -6°C / 21°F | -13°C / 9°F | 58% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | K20V 251734Z AUTO 00000KT 10SM CLR M06/M13 A3045 RMK AO2 |
| 10:14 MST |  Clear | -6°C / 21°F | -13°C / 9°F | 58% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | K20V 251714Z AUTO 00000KT 10SM CLR M06/M13 A3045 RMK AO2 |
| 09:21 MST |  Mostly Cloudy | -10°C / 14°F | -13°C / 9°F | 79% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | K20V 251621Z AUTO 00000KT 10SM BKN040 M10/M13 A3046 RMK AO2 |
| 09:14 MST |  Mostly Cloudy | -10°C / 14°F | -13°C / 9°F | 79% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | K20V 251614Z AUTO 00000KT 10SM BKN040 M10/M13 A3046 RMK AO2 |
| 08:54 MST |  Overcast | -11°C / 12°F | -14°C / 7°F | 79% | 1032 mb (30.48 in) | Calm | - | 10SM |
| | K20V 251554Z AUTO 00000KT 10SM OVC040 M11/M14 A3047 RMK AO2 |
| 08:34 MST |  Overcast | -12°C / 10°F | -15°C / 5°F | 79% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | K20V 251534Z AUTO 00000KT 10SM OVC040 M12/M15 A3046 RMK AO2 |
| 08:14 MST |  Overcast | -12°C / 10°F | -15°C / 5°F | 79% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | K20V 251514Z AUTO 00000KT 10SM OVC040 M12/M15 A3046 RMK AO2 |
| 07:54 MST |  Overcast | -12°C / 10°F | -15°C / 5°F | 79% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | K20V 251454Z AUTO 00000KT 10SM OVC040 M12/M15 A3046 RMK AO2 |
| 07:34 MST |  Overcast | -12°C / 10°F | -16°C / 3°F | 72% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | K20V 251434Z AUTO 00000KT 10SM OVC040 M12/M16 A3045 RMK AO2 |
| 07:14 MST |  Overcast | -13°C / 9°F | -17°C / 1°F | 72% | 1031 mb (30.45 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | K20V 251414Z AUTO 14003KT 10SM OVC040 M13/M17 A3044 RMK AO2 |
| 06:54 MST |  Overcast | -15°C / 5°F | -17°C / 1°F | 85% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | K20V 251354Z AUTO 00000KT 10SM OVC040 M15/M17 A3043 RMK AO2 |
| 06:34 MST |  Mostly Cloudy | -15°C / 5°F | -18°C / 0°F | 78% | 1031 mb (30.45 in) | Calm | - | 10SM |
| | K20V 251334Z AUTO 00000KT 10SM BKN040 M15/M18 A3044 RMK AO2 |
| 06:14 MST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1031 mb (30.45 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | K20V 251314Z AUTO 26005KT 10SM CLR M16/M18 A3044 RMK AO2 |
| 05:06 MST |  Clear | -16°C / 3°F | -20°C / -4°F | 72% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | K20V 251206Z AUTO 00000KT 10SM CLR M16/M20 A3041 RMK AO2 |
| 04:54 MST |  Clear | -16°C / 3°F | -20°C / -4°F | 72% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | K20V 251154Z AUTO 00000KT 10SM CLR M16/M20 A3041 RMK AO2 |
| 04:34 MST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | K20V 251134Z AUTO 00000KT 10SM CLR M15/M18 A3041 RMK AO2 |
| 04:14 MST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | K20V 251114Z AUTO 00000KT 10SM CLR M16/M18 A3041 RMK AO2 |
| 03:54 MST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | K20V 251054Z AUTO 00000KT 10SM CLR M16/M18 A3040 RMK AO2 |
| 03:34 MST |  Partly Cloudy | -16°C / 3°F | -20°C / -4°F | 72% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | K20V 251034Z AUTO 00000KT 10SM SCT050 M16/M20 A3041 RMK AO2 |
| 03:14 MST |  Partly Cloudy | -16°C / 3°F | -18°C / 0°F | 85% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | K20V 251014Z AUTO 00000KT 10SM SCT050 M16/M18 A3040 RMK AO2 |
| 02:54 MST |  Partly Cloudy | -15°C / 5°F | -18°C / 0°F | 78% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | K20V 250954Z AUTO 00000KT 10SM SCT050 M15/M18 A3041 RMK AO2 |
| 02:34 MST |  Clear | -16°C / 3°F | -20°C / -4°F | 72% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | K20V 250934Z AUTO 00000KT 10SM CLR M16/M20 A3041 RMK AO2 |
| 02:14 MST |  Clear | -16°C / 3°F | -20°C / -4°F | 72% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | K20V 250914Z AUTO 00000KT 10SM CLR M16/M20 A3041 RMK AO2 |
| 01:54 MST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | K20V 250854Z AUTO 00000KT 10SM CLR M15/M18 A3040 RMK AO2 |
| 01:34 MST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1029 mb (30.39 in) | Calm | - | 7SM |
| | K20V 250834Z AUTO 00000KT 7SM CLR M15/M18 A3040 RMK AO2 |
| 01:14 MST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | K20V 250814Z AUTO 00000KT 10SM CLR M16/M18 A3040 RMK AO2 |
| 00:54 MST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1030 mb (30.42 in) | Calm | - | 10SM |
| | K20V 250754Z AUTO 00000KT 10SM CLR M15/M18 A3041 RMK AO2 |
| 00:34 MST |  Clear | -15°C / 5°F | -18°C / 0°F | 78% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | K20V 250734Z AUTO 00000KT 10SM CLR M15/M18 A3039 RMK AO2 |
| 00:14 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1029 mb (30.39 in) | Calm | - | 10SM |
| | K20V 250714Z AUTO 00000KT 10SM CLR M14/M17 A3040 RMK AO2 |