| 16:15 MST |  Clear | -4°C / 25°F | -16°C / 3°F | 39% | 1017 mb (30.03 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KSKX 042315Z AUTO 09005KT 10SM CLR M04/M16 A3003 RMK AO1 |
| 15:55 MST |  Clear | -4°C / 25°F | -17°C / 1°F | 36% | 1017 mb (30.03 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KSKX 042255Z AUTO 12004KT 10SM CLR M04/M17 A3004 RMK AO1 |
| 15:35 MST |  Clear | -4°C / 25°F | -16°C / 3°F | 39% | 1017 mb (30.03 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KSKX 042235Z AUTO 17004KT 10SM CLR M04/M16 A3003 RMK AO1 |
| 15:15 MST |  Clear | -3°C / 27°F | -15°C / 5°F | 39% | 1017 mb (30.03 in) | ESE 7 kph (ESE 4.6 mph) | - | 10SM |
| | KSKX 042215Z AUTO 11004KT 10SM CLR M03/M15 A3004 RMK AO1 |
| 14:55 MST |  Clear | -4°C / 25°F | -15°C / 5°F | 42% | 1017 mb (30.03 in) | ESE 6 kph (ESE 3.5 mph) | - | 10SM |
| | KSKX 042155Z AUTO 11003KT 10SM CLR M04/M15 A3004 RMK AO1 |
| 14:35 MST |  Clear | -4°C / 25°F | -15°C / 5°F | 42% | 1017 mb (30.03 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KSKX 042135Z AUTO 07004KT 10SM CLR M04/M15 A3003 RMK AO1 |
| 14:15 MST |  Clear | -4°C / 25°F | -17°C / 1°F | 36% | 1017 mb (30.03 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KSKX 042115Z AUTO 09005KT 10SM CLR M04/M17 A3003 RMK AO1 |
| 13:55 MST |  Clear | -4°C / 25°F | -17°C / 1°F | 36% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSKX 042055Z AUTO 00000KT 10SM CLR M04/M17 A3003 RMK AO1 57027 |
| 13:35 MST |  Clear | -4°C / 25°F | -18°C / 0°F | 33% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSKX 042035Z AUTO 00000KT 10SM CLR M04/M18 A3004 RMK AO1 |
| 13:15 MST |  Clear | -6°C / 21°F | -17°C / 1°F | 42% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KSKX 042015Z AUTO 00000KT 10SM CLR M06/M17 A3004 RMK AO1 |
| 12:55 MST |  Clear | -6°C / 21°F | -16°C / 3°F | 45% | 1018 mb (30.06 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KSKX 041955Z AUTO 21004KT 10SM CLR M06/M16 A3005 RMK AO1 |
| 12:35 MST |  Clear | -7°C / 19°F | -14°C / 7°F | 58% | 1018 mb (30.06 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KSKX 041935Z AUTO 34004KT 10SM CLR M07/M14 A3005 RMK AO1 |
| 12:15 MST |  Clear | -7°C / 19°F | -14°C / 7°F | 58% | 1018 mb (30.06 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KSKX 041915Z AUTO 32004KT 10SM CLR M07/M14 A3006 RMK AO1 |
| 11:55 MST |  Clear | -8°C / 18°F | -14°C / 7°F | 62% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KSKX 041855Z AUTO 00000KT 10SM CLR M08/M14 A3007 RMK AO1 |
| 11:35 MST |  Clear | -8°C / 18°F | -15°C / 5°F | 58% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KSKX 041835Z AUTO 00000KT 10SM CLR M08/M15 A3008 RMK AO1 |
| 11:15 MST |  Clear | -10°C / 14°F | -15°C / 5°F | 67% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KSKX 041815Z AUTO 00000KT 10SM CLR M10/M15 A3009 RMK AO1 |
| 10:55 MST |  Clear | -11°C / 12°F | -16°C / 3°F | 67% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KSKX 041755Z AUTO 00000KT 10SM CLR M11/M16 A3011 RMK AO1 11090 21230 57003 |
| 10:35 MST |  Clear | -10°C / 14°F | -15°C / 5°F | 67% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KSKX 041735Z AUTO 00000KT 10SM CLR M10/M15 A3011 RMK AO1 |
| 10:15 MST |  Clear | -11°C / 12°F | -15°C / 5°F | 73% | 1020 mb (30.12 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KSKX 041715Z AUTO 33003KT 10SM CLR M11/M15 A3012 RMK AO1 |
| 09:55 MST |  Clear | -12°C / 10°F | -16°C / 3°F | 72% | 1020 mb (30.12 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KSKX 041655Z AUTO 33005KT 10SM CLR M12/M16 A3013 RMK AO1 |
| 09:35 MST |  Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KSKX 041635Z AUTO 00000KT 10SM CLR M12/M15 A3012 RMK AO1 |
| 09:15 MST |  Clear | -13°C / 9°F | -16°C / 3°F | 78% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KSKX 041615Z AUTO 00000KT 10SM CLR M13/M16 A3012 RMK AO1 |
| 08:55 MST |  Clear | -14°C / 7°F | -17°C / 1°F | 78% | 1020 mb (30.12 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KSKX 041555Z AUTO 03003KT 10SM CLR M14/M17 A3013 RMK AO1 |
| 08:35 MST |  Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1020 mb (30.12 in) | NNE 7 kph (NNE 4.6 mph) | - | 10SM |
| | KSKX 041535Z AUTO 02004KT 10SM CLR M17/M19 A3013 RMK AO1 |
| 08:15 MST |  Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1020 mb (30.12 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KSKX 041515Z AUTO 36005KT 10SM CLR M18/M21 A3013 RMK AO1 |
| 07:55 MST |  Clear | -21°C / -6°F | -21°C / -6°F | 100% | 1020 mb (30.12 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KSKX 041455Z AUTO 01005KT 10SM CLR M21/M21 A3012 RMK AO1 52003 |
| 07:35 MST |  Clear | -23°C / -9°F | -28°C / -18°F | 64% | 1020 mb (30.12 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KSKX 041435Z AUTO 34006KT 10SM CLR M23/M28 A3011 RMK AO1 |
| 07:15 MST |  Clear | -22°C / -8°F | -24°C / -11°F | 84% | 1019 mb (30.09 in) | NNE 7 kph (NNE 4.6 mph) | - | 10SM |
| | KSKX 041415Z AUTO 02004KT 10SM CLR M22/M24 A3009 RMK AO1 |
| 06:55 MST |  Clear | -22°C / -8°F | -26°C / -15°F | 70% | 1019 mb (30.09 in) | NNE 11 kph (NNE 6.9 mph) | - | 10SM |
| | KSKX 041355Z AUTO 02006KT 10SM CLR M22/M26 A3010 RMK AO1 |
| 06:35 MST |  Clear | -21°C / -6°F | N/A | N/A | 1019 mb (30.09 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KSKX 041335Z AUTO 36005KT 10SM CLR M21/ A3010 RMK AO1 |
| 06:15 MST |  Clear | -21°C / -6°F | -26°C / -15°F | 64% | 1019 mb (30.09 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KSKX 041315Z AUTO 34004KT 10SM CLR M21/M26 A3010 RMK AO1 |
| 05:55 MST |  Partly Cloudy | -18°C / 0°F | -21°C / -6°F | 78% | 1019 mb (30.09 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KSKX 041255Z AUTO 36003KT 10SM SCT026 M18/M21 A3010 RMK AO1 |
| 05:35 MST |  Overcast | -17°C / 1°F | -21°C / -6°F | 71% | 1019 mb (30.09 in) | N 9 kph (N 5.8 mph) | - | 9SM |
| | KSKX 041235Z AUTO 36005KT 9SM OVC026 M17/M21 A3010 RMK AO1 |
| 05:15 MST |  Overcast | -17°C / 1°F | -19°C / -2°F | 85% | 1020 mb (30.12 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KSKX 041215Z AUTO 35003KT 10SM OVC026 M17/M19 A3011 RMK AO1 |
| 04:55 MST |  Overcast | -16°C / 3°F | -18°C / 0°F | 85% | 1020 mb (30.12 in) | Calm | - | 8SM |
| | KSKX 041155Z AUTO 00000KT 8SM OVC026 M16/M18 A3011 RMK AO1 11130 21170 52007 |
| 04:35 MST |  Overcast | -17°C / 1°F | -22°C / -8°F | 65% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KSKX 041135Z AUTO 00000KT 10SM OVC026 M17/M22 A3010 RMK AO1 |
| 04:15 MST |  Mostly Cloudy | -15°C / 5°F | -17°C / 1°F | 85% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KSKX 041115Z AUTO 00000KT 10SM BKN028 M15/M17 A3011 RMK AO1 |
| 03:55 MST |  Partly Cloudy | -15°C / 5°F | -18°C / 0°F | 78% | 1019 mb (30.09 in) | Calm | - | 9SM |
| | KSKX 041055Z AUTO 00000KT 9SM FEW022 SCT030 M15/M18 A3010 RMK AO1 |
| 03:35 MST |  Overcast | -14°C / 7°F | -17°C / 1°F | 78% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KSKX 041035Z AUTO 00000KT 10SM FEW022 OVC030 M14/M17 A3010 RMK AO1 |
| 03:15 MST |  Overcast | -14°C / 7°F | -17°C / 1°F | 78% | 1019 mb (30.09 in) | Calm | - | 9SM |
| | KSKX 041015Z AUTO 00000KT 9SM OVC030 M14/M17 A3010 RMK AO1 |
| 02:55 MST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KSKX 040955Z AUTO 00000KT 10SM OVC028 M13/M16 A3010 RMK AO1 |
| 02:35 MST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KSKX 040935Z AUTO 00000KT 10SM OVC026 M13/M16 A3010 RMK AO1 |
| 02:15 MST |  Overcast | -14°C / 7°F | -16°C / 3°F | 85% | 1019 mb (30.09 in) | Calm | - | 9SM |
| | KSKX 040915Z AUTO 00000KT 9SM OVC026 M14/M16 A3009 RMK AO1 |
| 01:55 MST |  Overcast | -14°C / 7°F | -16°C / 3°F | 85% | 1019 mb (30.09 in) | NNW 6 kph (NNW 3.5 mph) | - | 5SM |
| | KSKX 040855Z AUTO 33003KT 5SM OVC026 M14/M16 A3009 RMK AO1 52010 |
| 01:35 MST |  Overcast | -14°C / 7°F | -16°C / 3°F | 85% | 1019 mb (30.09 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KSKX 040835Z AUTO 33004KT 10SM OVC024 M14/M16 A3009 RMK AO1 |
| 01:15 MST |  Overcast | -14°C / 7°F | -17°C / 1°F | 78% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KSKX 040815Z AUTO 00000KT 10SM OVC024 M14/M17 A3008 RMK AO1 |
| 00:55 MST |  Overcast | -14°C / 7°F | -17°C / 1°F | 78% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KSKX 040755Z AUTO 00000KT 10SM OVC024 M14/M17 A3008 RMK AO1 |
| 00:35 MST |  Overcast | -15°C / 5°F | -17°C / 1°F | 85% | 1018 mb (30.06 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KSKX 040735Z AUTO 34003KT 10SM OVC026 M15/M17 A3007 RMK AO1 |
| 00:15 MST |  Overcast | -15°C / 5°F | -16°C / 3°F | 92% | 1019 mb (30.09 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KSKX 040715Z AUTO 36004KT 10SM OVC026 M15/M16 A3008 RMK AO1 |