| 02:11 PST |  Partly Cloudy | -1°C / 30°F | -2°C / 28°F | 93% | 1030 mb (30.42 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KEUG 291011Z 23003KT 10SM FEW001 M01/M02 A3042 RMK AO2 |
| 01:54 PST |  Clear Fog And Mist | -2°C / 28°F | -2°C / 28°F | 100% | 1030 mb (30.42 in) | Calm | - | 6SM |
| | KEUG 290954Z 00000KT 6SM BR CLR M02/M02 A3042 RMK AO2 SLP303 T10171022 |
| 01:07 PST |  Clear Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1030 mb (30.42 in) | W 7 kph (W 4.6 mph) | - | 4SM |
| | KEUG 290907Z 27004KT 4SM BR CLR M01/M02 A3042 RMK AO2 |
| 00:54 PST |  Partly Cloudy Fog And Mist | 0°C / 32°F | -2°C / 28°F | 87% | 1030 mb (30.42 in) | W 6 kph (W 3.5 mph) | - | 1SM |
| | KEUG 290854Z 28003KT 1SM R16R/P6000FT BR FEW001 00/M02 A3042 RMK AO2 SLP303 T00001017 58004 |
| 00:21 PST |  Partly Cloudy Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1030 mb (30.42 in) | Calm | - | 1SM |
| | KEUG 290821Z 00000KT 1SM R16R/3500VP6000FT BR FEW002 M01/M02 A3043 RMK AO2 |