| 11:55 MST |  Clear | -16°C / 3°F | -23°C / -9°F | 55% | 1020 mb (30.12 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KGPI 081855Z 00000KT 10SM CLR M16/M23 A3011 RMK AO2 UPE03 SLP269 P0000 T11611228 |
| 10:55 MST |  Clear Unknown Precip | -18°C / 0°F | -23°C / -9°F | 65% | 1020 mb (30.12 in) | NE 13 kph (NE 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGPI 081755Z 05007KT 10SM UP CLR M18/M23 A3012 RMK AO2 UPB48 SLP274 P0000 60000 T11781233 11167 21250 51023 |
| 09:55 MST |  Clear | -19°C / -2°F | -23°C / -9°F | 71% | 1019 mb (30.09 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KGPI 081655Z 31003KT 10SM CLR M19/M23 A3010 RMK AO2 SLP268 T11891228 |
| 08:55 MST |  Clear | -23°C / -9°F | -27°C / -17°F | 70% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KGPI 081555Z 00000KT 10SM CLR M23/M27 A3008 RMK AO2 SLP267 T12331272 |
| 07:55 MST |  Clear | -24°C / -11°F | -28°C / -18°F | 70% | 1018 mb (30.06 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KGPI 081455Z 30004KT 10SM CLR M24/M28 A3005 RMK AO2 SLP260 T12441278 51019 |
| 06:55 MST |  Clear | -23°C / -9°F | -27°C / -17°F | 70% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KGPI 081355Z AUTO 00000KT 10SM CLR M23/M27 A3003 RMK AO2 SLP250 T12331267 |
| 05:55 MST |  Clear | -22°C / -8°F | -26°C / -15°F | 70% | 1017 mb (30.03 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KGPI 081255Z AUTO 04004KT 10SM CLR M22/M26 A3002 RMK AO2 SLP240 T12171256 |
| 04:55 MST |  Clear | -19°C / -2°F | -25°C / -13°F | 59% | 1016 mb (30 in) | Calm | - | 10SM |
| | KGPI 081155Z AUTO 00000KT 10SM CLR M19/M25 A2999 RMK AO2 SLP227 T11941250 11178 21211 53013 |
| 03:55 MST |  Clear | -19°C / -2°F | -24°C / -11°F | 65% | 1015 mb (29.97 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KGPI 081055Z AUTO 36007KT 10SM CLR M19/M24 A2997 RMK AO2 SLP215 T11891244 |
| 02:55 MST |  Clear | -19°C / -2°F | -24°C / -11°F | 65% | 1015 mb (29.97 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KGPI 080955Z AUTO 34007KT 10SM CLR M19/M24 A2996 RMK AO2 SLP210 T11891239 |
| 01:55 MST |  Clear | -19°C / -2°F | -25°C / -13°F | 59% | 1014 mb (29.94 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KGPI 080855Z AUTO 35004KT 10SM CLR M19/M25 A2995 RMK AO2 SLP207 T11941250 51001 |
| 00:55 MST |  Clear | -19°C / -2°F | -24°C / -11°F | 65% | 1014 mb (29.94 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KGPI 080755Z AUTO 31003KT 10SM CLR M19/M24 A2995 RMK AO2 SLP208 T11941244 |