| 03:39 MST | 
Overcast | -17°C / 1°F | -20°C / -4°F | 78% | 1019 mb
(30.09 in) | Calm | - | 10SM |
| | KRTN 041039Z AUTO 00000KT 10SM FEW004 BKN014 OVC028 M17/M20 A3010
RMK AO2 FZRANO TSNO |
| 02:53 MST |
Overcast | -15°C / 5°F | -18°C / 0°F | 78% | 1020 mb
(30.12 in) | NNW 6 kph
(NNW 3.5 mph) | - | 10SM |
| | KRTN 040953Z AUTO 33003KT 10SM OVC028 M15/M18 A3011
RMK AO2 SLP265 T11501178 FZRANO TSNO |
| 02:33 MST |
Overcast | -16°C / 3°F | -18°C / 0°F | 85% | 1020 mb
(30.12 in) | N 6 kph
(N 3.5 mph) | - | 10SM |
| | KRTN 040933Z AUTO 36003KT 10SM BKN026 OVC030 M16/M18 A3011
RMK AO2 FZRANO TSNO |
| 01:53 MST | 
Partly Cloudy | -14°C / 7°F | -17°C / 1°F | 78% | 1020 mb
(30.12 in) | Calm | 0.00 mm
(0.00 in) | 10SM |
| | KRTN 040853Z AUTO 00000KT 10SM FEW005 SCT008 M14/M17 A3011
RMK AO2 SNE13 SLP261 P0000 60000 T11391167 56004 FZRANO TSNO |
| 01:50 MST | 
Mostly Cloudy | -14°C / 7°F | -17°C / 1°F | 78% | 1020 mb
(30.12 in) | Calm | 0.00 mm
(0.00 in) | 10SM |
| | KRTN 040850Z AUTO 00000KT 10SM SCT005 SCT008 BKN024 M14/M17 A3011
RMK AO2 SNE13 P0000 FZRANO TSNO |
| 01:43 MST |
Mostly Cloudy | -14°C / 7°F | -17°C / 1°F | 78% | 1020 mb
(30.12 in) | Calm | 0.00 mm
(0.00 in) | 10SM |
| | KRTN 040843Z AUTO 00000KT 10SM SCT003 BKN007 BKN024 M14/M17 A3011
RMK AO2 SNE13 P0000 FZRANO TSNO |
| 01:33 MST |
Overcast | -14°C / 7°F | -17°C / 1°F | 78% | 1020 mb
(30.12 in) | Calm | 0.00 mm
(0.00 in) | 10SM |
| | KRTN 040833Z AUTO 00000KT 10SM SCT007 OVC024 M14/M17 A3011
RMK AO2 SNE13 P0000 FZRANO TSNO |
| 01:08 MST | 
Overcast
Light Snow | -13°C / 9°F | -16°C / 3°F | 78% | 1020 mb
(30.12 in) | Calm | 0.00 mm
(0.00 in) | 6SM |
| | KRTN 040808Z AUTO 00000KT 6SM -SN BKN026 OVC033 M13/M16 A3011
RMK AO2 P0000 FZRANO TSNO |
| 00:53 MST |
Overcast
Light Snow | -13°C / 9°F | -16°C / 3°F | 78% | 1020 mb
(30.12 in) | Calm | 0.00 mm
(0.00 in) | 4SM |
| | KRTN 040753Z AUTO 00000KT 4SM -SN FEW026 OVC033 M13/M16 A3011
RMK AO2 SLP259 P0000 T11281156 FZRANO TSNO |
