| 18:57 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1022 mb (30.18 in) | SSW 44 kph (SSW 27.6 mph) | - | |
| | KMYP 150157Z AUTO 25024G30KT OVC002 M12/M14 A3017 RMK AO2 PWINO |
| 18:37 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1021 mb (30.15 in) | SSW 48 kph (SSW 29.9 mph) | - | |
| | KMYP 150137Z AUTO 25026G30KT OVC002 M12/M13 A3015 RMK AO2 PWINO |
| 18:17 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1021 mb (30.15 in) | SSW 50 kph (SSW 31.1 mph) | - | |
| | KMYP 150117Z AUTO 25027KT OVC002 M12/M13 A3014 RMK AO2 PWINO |
| 17:57 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1020 mb (30.12 in) | SSW 59 kph (SSW 36.8 mph) | - | |
| | KMYP 150057Z AUTO 25032KT OVC002 M12/M13 A3013 RMK AO2 PWINO |
| 17:37 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1020 mb (30.12 in) | SSW 61 kph (SSW 38 mph) | - | |
| | KMYP 150037Z AUTO 25033G36KT OVC002 M12/M13 A3012 RMK AO2 PWINO |
| 17:17 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1020 mb (30.12 in) | SSW 61 kph (SSW 38 mph) | - | |
| | KMYP 150017Z AUTO 25033G38KT OVC002 M11/M13 A3012 RMK AO2 PWINO |
| 16:57 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1020 mb (30.12 in) | SSW 63 kph (SSW 39.1 mph) | - | |
| | KMYP 142357Z AUTO 26034G42KT OVC002 M11/M13 A3011 RMK AO2 PWINO |
| 16:37 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1020 mb (30.12 in) | SSW 52 kph (SSW 32.2 mph) | - | |
| | KMYP 142337Z AUTO 25028G41KT OVC002 M11/M13 A3011 RMK AO2 PWINO |
| 16:17 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1020 mb (30.12 in) | SSW 63 kph (SSW 39.1 mph) | - | |
| | KMYP 142317Z AUTO 26034KT BKN002 OVC007 M11/M13 A3011 RMK AO2 PWINO |
| 15:57 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1019 mb (30.09 in) | SSW 61 kph (SSW 38 mph) | - | |
| | KMYP 142257Z AUTO 25033G39KT OVC002 M11/M13 A3010 RMK AO2 PWINO |
| 15:37 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1019 mb (30.09 in) | SSW 57 kph (SSW 35.7 mph) | - | |
| | KMYP 142237Z AUTO 26031G44KT OVC002 M11/M13 A3009 RMK AO2 PWINO |
| 15:17 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1019 mb (30.09 in) | SSW 43 kph (SSW 26.5 mph) | - | |
| | KMYP 142217Z AUTO 25023G38KT OVC002 M11/M13 A3009 RMK AO2 PWINO |
| 14:57 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1019 mb (30.09 in) | SSW 67 kph (SSW 41.4 mph) | - | |
| | KMYP 142157Z AUTO 25036G67KT OVC002 M11/M13 A3008 RMK AO2 PWINO |
| 14:37 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1019 mb (30.09 in) | SSW 32 kph (SSW 19.6 mph) | - | |
| | KMYP 142137Z AUTO 25017G41KT OVC002 M11/M13 A3008 RMK AO2 PWINO |
| 14:17 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1018 mb (30.06 in) | SSW 48 kph (SSW 29.9 mph) | - | |
| | KMYP 142117Z AUTO 25026G42KT OVC002 M11/M13 A3007 RMK AO2 PWINO |
| 13:57 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1018 mb (30.06 in) | SSW 48 kph (SSW 29.9 mph) | - | |
| | KMYP 142057Z AUTO 25026G44KT OVC002 M11/M13 A3005 RMK AO2 PWINO |
| 13:37 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1017 mb (30.03 in) | SSW 57 kph (SSW 35.7 mph) | - | |
| | KMYP 142037Z AUTO 25031G41KT BKN002 OVC007 M11/M13 A3003 RMK AO2 PWINO |
| 13:17 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1017 mb (30.03 in) | SSW 46 kph (SSW 28.8 mph) | - | |
| | KMYP 142017Z AUTO 24025G34KT BKN002 OVC006 M12/M13 A3003 RMK AO2 PWINO |
| 12:57 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1017 mb (30.03 in) | SSW 46 kph (SSW 28.8 mph) | - | |
| | KMYP 141957Z AUTO 24025G33KT OVC002 M11/M13 A3003 RMK AO2 PWINO |
| 12:37 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1017 mb (30.03 in) | Calm | - | |
| | KMYP 141937Z AUTO OVC002 M11/M13 A3003 RMK AO2 PWINO |
| 12:17 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1017 mb (30.03 in) | SSW 44 kph (SSW 27.6 mph) | - | |
| | KMYP 141917Z AUTO 24024G33KT BKN002 OVC006 M11/M13 A3004 RMK AO2 PWINO |
| 11:57 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1017 mb (30.03 in) | Calm | - | |
| | KMYP 141857Z AUTO BKN002 OVC009 M12/M13 A3003 RMK AO2 PWINO |
| 11:37 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1017 mb (30.03 in) | Calm | - | |
| | KMYP 141837Z AUTO OVC002 M11/M13 A3004 RMK AO2 PWINO |
| 11:17 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1017 mb (30.03 in) | Calm | - | |
| | KMYP 141817Z AUTO OVC002 M12/M13 A3004 RMK AO2 PWINO |
| 10:57 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1017 mb (30.03 in) | Calm | - | |
| | KMYP 141757Z AUTO OVC002 M12/M13 A3004 RMK AO2 PWINO |
| 10:37 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1017 mb (30.03 in) | Calm | - | |
| | KMYP 141737Z AUTO OVC002 M12/M13 A3002 RMK AO2 PWINO |
| 10:17 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1017 mb (30.03 in) | Calm | - | |
| | KMYP 141717Z AUTO OVC002 M12/M14 A3002 RMK AO2 PWINO |
| 09:57 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1017 mb (30.03 in) | Calm | - | |
| | KMYP 141657Z AUTO OVC002 M12/M14 A3002 RMK AO2 PWINO |
| 09:37 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1016 mb (30 in) | Calm | - | |
| | KMYP 141637Z AUTO OVC002 M12/M14 A3000 RMK AO2 PWINO |
| 09:17 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1015 mb (29.97 in) | Calm | - | |
| | KMYP 141617Z AUTO OVC002 M12/M14 A2998 RMK AO2 PWINO |
| 08:57 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1016 mb (30 in) | Calm | - | |
| | KMYP 141557Z AUTO OVC002 M12/M14 A2999 RMK AO2 PWINO |
| 08:37 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1015 mb (29.97 in) | Calm | - | |
| | KMYP 141537Z AUTO OVC002 M12/M14 A2998 RMK AO2 PWINO |
| 08:17 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1016 mb (30 in) | Calm | - | |
| | KMYP 141517Z AUTO OVC002 M12/M14 A2999 RMK AO2 PWINO |
| 07:57 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1016 mb (30 in) | Calm | - | |
| | KMYP 141457Z AUTO OVC002 M12/M14 A2999 RMK AO2 PWINO |
| 07:37 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1016 mb (30 in) | Calm | - | |
| | KMYP 141437Z AUTO OVC002 M12/M14 A2999 RMK AO2 PWINO |
| 07:17 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1016 mb (30 in) | Calm | - | |
| | KMYP 141417Z AUTO OVC002 M12/M14 A3000 RMK AO2 PWINO |
| 06:57 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1016 mb (30 in) | Calm | - | |
| | KMYP 141357Z AUTO OVC002 M12/M14 A2999 RMK AO2 PWINO |
| 06:37 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1015 mb (29.97 in) | Calm | - | |
| | KMYP 141337Z AUTO OVC002 M12/M14 A2998 RMK AO2 PWINO |
| 06:17 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1015 mb (29.97 in) | Calm | - | |
| | KMYP 141317Z AUTO OVC002 M12/M14 A2997 RMK AO2 PWINO |
| 05:57 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1015 mb (29.97 in) | Calm | - | |
| | KMYP 141257Z AUTO OVC002 M12/M14 A2997 RMK AO2 PWINO |
| 05:37 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1015 mb (29.97 in) | Calm | - | |
| | KMYP 141237Z AUTO OVC002 M12/M14 A2998 RMK AO2 PWINO |
| 05:17 MST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1015 mb (29.97 in) | Calm | - | |
| | KMYP 141217Z AUTO OVC002 M12/M14 A2997 RMK AO2 PWINO |
| 04:57 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1015 mb (29.97 in) | Calm | - | |
| | KMYP 141157Z AUTO OVC002 M12/M13 A2997 RMK AO2 PWINO |
| 04:37 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1015 mb (29.97 in) | Calm | - | |
| | KMYP 141137Z AUTO OVC002 M12/M13 A2996 RMK AO2 PWINO |
| 04:17 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1015 mb (29.97 in) | Calm | - | |
| | KMYP 141117Z AUTO OVC002 M12/M13 A2996 RMK AO2 PWINO |
| 03:57 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1015 mb (29.97 in) | Calm | - | |
| | KMYP 141057Z AUTO OVC002 M12/M13 A2996 RMK AO2 PWINO |
| 03:37 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1015 mb (29.97 in) | Calm | - | |
| | KMYP 141037Z AUTO OVC002 M12/M13 A2996 RMK AO2 PWINO |
| 03:17 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1015 mb (29.97 in) | Calm | - | |
| | KMYP 141017Z AUTO OVC002 M12/M13 A2996 RMK AO2 PWINO |
| 02:57 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1015 mb (29.97 in) | Calm | - | |
| | KMYP 140957Z AUTO OVC002 M12/M13 A2996 RMK AO2 PWINO |
| 02:37 MST |  Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1015 mb (29.97 in) | E 72 kph (E 44.9 mph) | - | |
| | KMYP 140937Z AUTO 10039KT 100V240 OVC002 M12/M13 A2997 RMK AO2 PWINO |
| 02:17 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1015 mb (29.97 in) | Calm | - | |
| | KMYP 140917Z AUTO BKN002 BKN005 OVC013 M11/M13 A2997 RMK AO2 PWINO |
| 01:57 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1014 mb (29.94 in) | Calm | - | |
| | KMYP 140857Z AUTO OVC002 M11/M13 A2995 RMK AO2 PWINO |
| 01:37 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1014 mb (29.94 in) | Calm | - | |
| | KMYP 140837Z AUTO BKN002 OVC006 M11/M13 A2995 RMK AO2 PWINO |
| 01:17 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1014 mb (29.94 in) | Calm | - | |
| | KMYP 140817Z AUTO BKN002 OVC007 M11/M13 A2995 RMK AO2 PWINO |
| 00:57 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1014 mb (29.94 in) | Calm | - | |
| | KMYP 140757Z AUTO OVC002 M11/M13 A2994 RMK AO2 PWINO |
| 00:37 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1014 mb (29.94 in) | Calm | - | |
| | KMYP 140737Z AUTO OVC002 M11/M13 A2995 RMK AO2 PWINO |
| 00:17 MST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1014 mb (29.94 in) | Calm | - | |
| | KMYP 140717Z AUTO OVC002 M11/M13 A2993 RMK AO2 PWINO |