| 10:53 MST | 
Clear | -19°C / -2°F | -23°C / -9°F | 71% | 1006 mb
(29.71 in) | Calm | - | 10SM |
| | KBYG 091753Z AUTO 00000KT 10SM CLR M19/M23 A2971
RMK AO2 SLP177 T11891233 11183 21256 58002 |
| 09:53 MST |
Clear | -19°C / -2°F | -23°C / -9°F | 71% | 1006 mb
(29.71 in) | Calm | - | 10SM |
| | KBYG 091653Z AUTO 00000KT 10SM CLR M19/M23 A2972
RMK AO2 SLP180 T11941233 |
| 08:53 MST |
Clear | -21°C / -6°F | -25°C / -13°F | 70% | 1006 mb
(29.71 in) | Calm | - | 10SM |
| | KBYG 091553Z AUTO 00000KT 10SM CLR M21/M25 A2972
RMK AO2 SLP182 T12111250 |
| 07:53 MST |
Clear | -21°C / -6°F | -27°C / -17°F | 59% | 1006 mb
(29.71 in) | Calm | - | 10SM |
| | KBYG 091453Z AUTO 00000KT 10SM CLR M21/M27 A2971
RMK AO2 SLP179 T12111267 56005 |
| 06:53 MST | 
Clear | -23°C / -9°F | -27°C / -17°F | 70% | 1006 mb
(29.71 in) | SW 6 kph
(SW 3.5 mph) | - | 10SM |
| | KBYG 091353Z AUTO 21003KT 10SM CLR M23/M27 A2972
RMK AO2 SLP181 T12331272 |
| 05:53 MST |
Clear | -24°C / -11°F | -27°C / -17°F | 76% | 1006 mb
(29.71 in) | SSW 6 kph
(SSW 3.5 mph) | - | 10SM |
| | KBYG 091253Z AUTO 24003KT 10SM CLR M24/M27 A2972
RMK AO2 SLP181 T12391272 |
| 04:53 MST |
Clear | -24°C / -11°F | -28°C / -18°F | 70% | 1007 mb
(29.74 in) | SSW 6 kph
(SSW 3.5 mph) | - | 10SM |
| | KBYG 091153Z AUTO 25003KT 10SM CLR M24/M28 A2973
RMK AO2 SLP187 T12441278 11239 21283 56012 |
| 03:53 MST |
Clear | -26°C / -15°F | -29°C / -20°F | 76% | 1007 mb
(29.74 in) | Calm | - | 10SM |
| | KBYG 091053Z AUTO 00000KT 10SM CLR M26/M29 A2974
RMK AO2 SLP192 T12611294 |
| 02:53 MST |
Clear | -27°C / -17°F | -30°C / -22°F | 76% | 1007 mb
(29.74 in) | Calm | - | 10SM |
| | KBYG 090953Z AUTO 00000KT 10SM CLR M27/M30 A2975
RMK AO2 SLP202 T12721300 |
| 01:53 MST |
Clear | -26°C / -15°F | -28°C / -18°F | 83% | 1008 mb
(29.77 in) | Calm | - | 10SM |
| | KBYG 090853Z AUTO 00000KT 10SM CLR M26/M28 A2977
RMK AO2 SLP204 T12611283 58023 |
| 00:53 MST |
Clear | -27°C / -17°F | -29°C / -20°F | 83% | 1009 mb
(29.8 in) | S 9 kph
(S 5.8 mph) | - | 10SM |
| | KBYG 090753Z AUTO 18005KT 10SM CLR M27/M29 A2980
RMK AO2 SLP214 T12671294 |
