| 11:55 PST |  Partly Cloudy | 13°C / 55°F | -3°C / 27°F | 33% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KRIV 261955Z AUTO 00000KT 10SM SCT180 13/M03 A3008 RMK A02A SLP196 T01291028 |
| 10:55 PST |  Mostly Cloudy | 12°C / 54°F | 0°C / 32°F | 44% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KRIV 261855Z AUTO 00000KT 10SM BKN190 12/00 A3010 RMK A02A SLP204 T01160002 |
| 09:55 PST |  Partly Cloudy | 10°C / 50°F | 1°C / 34°F | 54% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KRIV 261755Z AUTO 00000KT 10SM FEW190 10/01 A3009 RMK AO2 CLDS LWR RWY14 SLP202 T00950010 10095 21016 53011 $ |
| 08:55 PST |  Partly Cloudy | 4°C / 39°F | 0°C / 32°F | 75% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KRIV 261655Z AUTO 00000KT 10SM FEW210 04/00 A3006 RMK AO2 SLP197 T00390003 |
| 07:55 PST |  Partly Cloudy | 2°C / 36°F | -1°C / 30°F | 81% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KRIV 261555Z AUTO 00000KT 10SM SCT210 02/M01 A3008 RMK AO2 SLP202 T00151008 |
| 06:55 PST |  Clear | -1°C / 30°F | -2°C / 28°F | 93% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KRIV 261455Z AUTO 00000KT 10SM CLR M01/M02 A3006 RMK AO2 SLP195 T10061019 53005 |
| 05:55 PST |  Partly Cloudy | 0°C / 32°F | -2°C / 28°F | 87% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KRIV 261355Z AUTO 00000KT 10SM FEW240 M00/M02 A3005 RMK AO2 SLP187 T10011019 |
| 04:55 PST |  Clear | 2°C / 36°F | -1°C / 30°F | 81% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KRIV 261255Z AUTO 00000KT 10SM CLR 02/M01 A3004 RMK AO2 SLP184 T00171010 |
| 03:55 PST |  Clear | -2°C / 28°F | -3°C / 27°F | 93% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KRIV 261155Z AUTO 00000KT 10SM CLR M02/M03 A3004 RMK AO2 SLP183 T10151029 10023 21015 52007 |
| 02:55 PST |  Clear | 0°C / 32°F | -2°C / 28°F | 87% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KRIV 261055Z AUTO 00000KT 10SM CLR M00/M02 A3004 RMK AO2 SLP179 T10011021 |
| 01:55 PST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KRIV 260955Z AUTO 00000KT 10SM CLR M01/M03 A3003 RMK AO2 SLP176 T10101027 |
| 00:55 PST |  Clear | 1°C / 34°F | -2°C / 28°F | 81% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KRIV 260855Z AUTO 00000KT 10SM CLR 01/M02 A3002 RMK AO2 SLP174 T00071016 58006 |