| 09:53 PST |  Partly Cloudy | -4°C / 25°F | -7°C / 19°F | 80% | 1026 mb (30.3 in) | NNE 9 kph (NNE 5.8 mph) | - | 10SM |
| | KGEG 021753Z 02005KT 10SM FEW035 M04/M07 A3030 RMK AO2 SLP290 T10441067 11044 21072 51014 |
| 08:53 PST |  Partly Cloudy | -5°C / 23°F | -7°C / 19°F | 86% | 1026 mb (30.3 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KGEG 021653Z 01005KT 10SM FEW035 M05/M07 A3029 RMK AO2 SLP287 T10501072 |
| 07:53 PST |  Partly Cloudy | -7°C / 19°F | -9°C / 16°F | 86% | 1025 mb (30.27 in) | NNE 7 kph (NNE 4.6 mph) | - | 10SM |
| | KGEG 021553Z 02004KT 10SM FEW035 M07/M09 A3027 RMK AO2 SLP282 T10721089 |
| 06:53 PST |  Partly Cloudy | -7°C / 19°F | -9°C / 16°F | 86% | 1024 mb (30.24 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KGEG 021453Z 03004KT 10SM FEW150 M07/M09 A3025 RMK AO2 SLP275 T10721089 56001 |
| 05:53 PST |  Partly Cloudy | -7°C / 19°F | -8°C / 18°F | 93% | 1025 mb (30.27 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KGEG 021353Z 03003KT 10SM FEW150 M07/M08 A3026 RMK AO2 SLP275 T10671083 |
| 04:53 PST |  Clear | -7°C / 19°F | -9°C / 16°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KGEG 021253Z 00000KT 10SM CLR M07/M09 A3025 RMK AO2 SLP274 T10721089 |
| 03:53 PST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KGEG 021153Z 00000KT 10SM CLR M06/M08 A3025 RMK AO2 SLP271 T10611083 11044 21067 51008 |
| 02:53 PST |  Clear | -7°C / 19°F | -9°C / 16°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KGEG 021053Z 00000KT 10SM CLR M07/M09 A3025 RMK AO2 SLP268 T10671089 |
| 01:53 PST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KGEG 020953Z 00000KT 10SM CLR M06/M08 A3024 RMK AO2 SLP265 T10611083 |
| 00:53 PST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KGEG 020853Z 00000KT 10SM CLR M06/M08 A3023 RMK AO2 SLP262 T10611083 57001 |