| 04:15 MST | 
Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1018 mb
(30.06 in) | Calm | - | 10SM |
| | KGXY 041115Z AUTO 00000KT 10SM CLR M17/M19 A3006
RMK AO1 |
| 03:55 MST |
Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1018 mb
(30.06 in) | Calm | - | 10SM |
| | KGXY 041055Z AUTO 00000KT 10SM CLR M17/M19 A3007
RMK AO1 |
| 03:35 MST |
Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1019 mb
(30.09 in) | S 6 kph
(S 3.5 mph) | - | 10SM |
| | KGXY 041035Z AUTO 18003KT 10SM CLR M17/M19 A3008
RMK AO1 |
| 03:15 MST |
Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1019 mb
(30.09 in) | SSE 6 kph
(SSE 3.5 mph) | - | 10SM |
| | KGXY 041015Z AUTO 20003KT 10SM CLR M17/M19 A3009
RMK AO1 |
| 02:55 MST |
Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1019 mb
(30.09 in) | S 6 kph
(S 3.5 mph) | - | 10SM |
| | KGXY 040955Z AUTO 19003KT 10SM CLR M17/M19 A3010
RMK AO1 |
| 02:35 MST |
Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1020 mb
(30.12 in) | Calm | - | 10SM |
| | KGXY 040935Z AUTO 00000KT 10SM CLR M16/M18 A3012
RMK AO1 |
| 02:15 MST |
Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1020 mb
(30.12 in) | Calm | - | 10SM |
| | KGXY 040915Z AUTO 00000KT 10SM CLR M16/M18 A3013
RMK AO1 |
| 01:55 MST |
Clear | -16°C / 3°F | -19°C / -2°F | 78% | 1021 mb
(30.15 in) | S 6 kph
(S 3.5 mph) | - | 10SM |
| | KGXY 040855Z AUTO 18003KT 10SM CLR M16/M19 A3014
RMK AO1 57014 |
| 01:35 MST |
Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KGXY 040835Z AUTO 00000KT 10SM CLR M16/M18 A3014
RMK AO1 |
| 01:15 MST |
Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KGXY 040815Z AUTO 00000KT 10SM CLR M17/M19 A3015
RMK AO1 |
| 00:55 MST |
Clear | -16°C / 3°F | -20°C / -4°F | 72% | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KGXY 040755Z AUTO 00000KT 10SM CLR M16/M20 A3015
RMK AO1 |
| 00:35 MST |
Clear | -15°C / 5°F | -17°C / 1°F | 85% | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KGXY 040735Z AUTO 00000KT 10SM CLR M15/M17 A3016
RMK AO1 |
| 00:15 MST |
Clear | -17°C / 1°F | -21°C / -6°F | 71% | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KGXY 040715Z AUTO 00000KT 10SM CLR M17/M21 A3016
RMK AO1 |
