| 11:56 PST |  Mostly Cloudy | -8°C / 18°F | -11°C / 12°F | 79% | 1020 mb (30.12 in) | Calm | - | 7SM |
| | KNFL 261956Z 00000KT 7SM SCT180 BKN250 M08/M11 A3013 RMK AO2 SLP169 T10831111 $ |
| 10:58 PST |  Mostly Cloudy Hazy | -6°C / 21°F | -15°C / 5°F | 49% | 1021 mb (30.15 in) | Calm | - | 3SM |
| | KNFL 261858Z 00000KT 3SM HZ SCT001 SCT180 BKN250 M06/M15 A3015 RMK AO2 $ |
| 10:39 PST |  Fair | N/A | N/A | N/A | 1021 mb (30.15 in) | Calm | 0.00 mm (0.00 in) | |
| | KNFL 261839Z AUTO A3016 RMK AO2 SNB1759E01 P0000 PWINO FZRANO TSNO $ |
| 10:11 PST |  Partly Cloudy Hazy | -7°C / 19°F | -12°C / 10°F | 68% | 1022 mb (30.18 in) | Calm | 0.00 mm (0.00 in) | 1SM |
| | KNFL 261811Z 1SM HZ SCT001 M07/M12 A3017 RMK AO2 SNB1759E01 P0000 $ |
| 10:08 PST |  Fair | -7°C / 19°F | -12°C / 10°F | 68% | 1022 mb (30.18 in) | Calm | 0.00 mm (0.00 in) | |
| | KNFL 261808Z M07/M12 A3017 RMK AO2 SNB1759E01 P0000 $ |
| 09:56 PST |  Obscured Fog | -8°C / 18°F | -13°C / 9°F | 68% | 1022 mb (30.18 in) | Calm | 0.00 mm (0.00 in) | 1/2SM |
| | KNFL 261756Z 00000KT 1/2SM FZFG VV001 M08/M13 A3017 RMK AO2 SNB10E19 SLP181 P0000 60000 T10831128 11083 21172 53011 |
| 09:03 PST |  Obscured Fog | -12°C / 10°F | -16°C / 3°F | 72% | 1021 mb (30.15 in) | N 7 kph (N 4.6 mph) | - | M1/4SM |
| | KNFL 261703Z 01004KT M1/4SM FZFG VV001 M12/M16 A3015 RMK AO2 |
| 08:56 PST |  Obscured Hazy | -12°C / 10°F | -16°C / 3°F | 72% | 1021 mb (30.15 in) | NNE 7 kph (NNE 4.6 mph) | - | M1/4SM |
| | KNFL 261656Z AUTO 02004KT M1/4SM HZ VV001 M12/M16 A3015 RMK AO2 SLP175 T11171156 FZRANO TSNO |
| 07:56 PST |  Obscured Hazy | -16°C / 3°F | -19°C / -2°F | 78% | 1021 mb (30.15 in) | W 7 kph (W 4.6 mph) | - | M1/4SM |
| | KNFL 261556Z AUTO 28004KT M1/4SM HZ VV001 M16/M19 A3014 RMK AO2 SLP172 T11561194 FZRANO TSNO |
| 07:25 PST |  Overcast Hazy | -17°C / 1°F | -21°C / -6°F | 71% | 1020 mb (30.12 in) | Calm | - | 1/4SM |
| | KNFL 261525Z AUTO 00000KT 1/4SM HZ BKN001 OVC008 M17/M21 A3013 RMK AO2 FZRANO TSNO |
| 07:14 PST |  Overcast Hazy | -17°C / 1°F | -21°C / -6°F | 71% | 1020 mb (30.12 in) | NE 6 kph (NE 3.5 mph) | - | 3/4SM |
| | KNFL 261514Z AUTO 04003KT 3/4SM HZ BKN001 OVC008 M17/M21 A3013 RMK AO2 FZRANO TSNO |
| 07:08 PST |  Mostly Cloudy Hazy | -17°C / 1°F | -21°C / -6°F | 71% | 1020 mb (30.12 in) | NE 7 kph (NE 4.6 mph) | - | 1 1/2SM |
| | KNFL 261508Z AUTO 03004KT 1 1/2SM HZ SCT001 BKN008 M17/M21 A3013 RMK AO2 FZRANO TSNO |
| 06:56 PST |  Mostly Cloudy Hazy | -17°C / 1°F | -21°C / -6°F | 71% | 1020 mb (30.12 in) | Calm | - | 5SM |
| | KNFL 261456Z AUTO 00000KT 5SM HZ SCT001 BKN008 M17/M21 A3013 RMK AO2 SLP169 T11671211 55000 FZRANO TSNO |
| 06:46 PST |  Partly Cloudy Hazy | -17°C / 1°F | -21°C / -6°F | 71% | 1020 mb (30.12 in) | Calm | - | 5SM |
| | KNFL 261446Z AUTO 00000KT 5SM HZ FEW008 M17/M21 A3013 RMK AO2 FZRANO TSNO |
| 06:37 PST |  Partly Cloudy Hazy | -17°C / 1°F | -21°C / -6°F | 71% | 1020 mb (30.12 in) | NE 6 kph (NE 3.5 mph) | - | 2 1/2SM |
| | KNFL 261437Z AUTO 04003KT 2 1/2SM HZ SCT008 M17/M21 A3013 RMK AO2 FZRANO TSNO |
| 06:25 PST |  Partly Cloudy Hazy | -17°C / 1°F | -21°C / -6°F | 71% | 1020 mb (30.12 in) | NE 6 kph (NE 3.5 mph) | - | 3SM |
| | KNFL 261425Z AUTO 05003KT 3SM HZ FEW008 M17/M21 A3013 RMK AO2 FZRANO TSNO |
| 06:19 PST |  Mostly Cloudy Hazy | -17°C / 1°F | -21°C / -6°F | 71% | 1020 mb (30.12 in) | Calm | - | 2SM |
| | KNFL 261419Z AUTO 00000KT 2SM HZ FEW001 BKN008 M17/M21 A3013 RMK AO2 FZRANO TSNO |
| 06:10 PST |  Partly Cloudy Hazy | -17°C / 1°F | -21°C / -6°F | 71% | 1020 mb (30.12 in) | E 6 kph (E 3.5 mph) | - | 1SM |
| | KNFL 261410Z AUTO 08003KT 1SM HZ FEW001 SCT008 M17/M21 A3013 RMK AO2 FZRANO TSNO |
| 06:03 PST |  Mostly Cloudy Hazy | -17°C / 1°F | -21°C / -6°F | 71% | 1020 mb (30.12 in) | Calm | - | 1/2SM |
| | KNFL 261403Z AUTO 00000KT 1/2SM HZ SCT001 BKN008 M17/M21 A3012 RMK AO2 FZRANO TSNO |
| 05:56 PST |  Overcast Hazy | -17°C / 1°F | -20°C / -4°F | 78% | 1020 mb (30.12 in) | Calm | - | 1/4SM |
| | KNFL 261356Z AUTO 00000KT 1/4SM HZ BKN001 OVC008 M17/M20 A3012 RMK AO2 SLP166 T11671200 FZRANO TSNO |
| 04:56 PST |  Obscured Hazy | -14°C / 7°F | -18°C / 0°F | 72% | 1020 mb (30.12 in) | Calm | - | 1/4SM |
| | KNFL 261256Z AUTO 00000KT 1/4SM HZ VV001 M14/M18 A3013 RMK AO2 SLP168 T11441178 FZRANO TSNO |
| 03:56 PST |  Overcast Hazy | -16°C / 3°F | -19°C / -2°F | 78% | 1020 mb (30.12 in) | SW 7 kph (SW 4.6 mph) | - | 1/4SM |
| | KNFL 261156Z AUTO 23004KT 1/4SM HZ BKN001 OVC007 M16/M19 A3013 RMK AO2 SLP170 T11561189 11117 21178 58007 FZRANO TSNO |
| 03:20 PST |  Overcast Hazy | -17°C / 1°F | -19°C / -2°F | 85% | 1021 mb (30.15 in) | NE 7 kph (NE 4.6 mph) | - | 1/4SM |
| | KNFL 261120Z AUTO 03004KT 1/4SM HZ SCT001 OVC007 M17/M19 A3014 RMK AO2 FZRANO TSNO |
| 03:10 PST |  Overcast Hazy | -17°C / 1°F | -21°C / -6°F | 71% | 1021 mb (30.15 in) | NE 9 kph (NE 5.8 mph) | - | 3/4SM |
| | KNFL 261110Z AUTO 05005KT 3/4SM HZ OVC007 M17/M21 A3014 RMK AO2 FZRANO TSNO |
| 02:56 PST |  Overcast Hazy | -18°C / 0°F | -21°C / -6°F | 78% | 1021 mb (30.15 in) | ENE 7 kph (ENE 4.6 mph) | - | 1/4SM |
| | KNFL 261056Z AUTO 07004KT 1/4SM HZ FEW001 OVC007 M18/M21 A3014 RMK AO2 SLP172 T11781206 FZRANO TSNO |
| 02:07 PST |  Mostly Cloudy Hazy | -17°C / 1°F | -20°C / -4°F | 78% | 1021 mb (30.15 in) | ENE 7 kph (ENE 4.6 mph) | - | 1/4SM |
| | KNFL 261007Z AUTO 07004KT 1/4SM HZ FEW001 BKN007 M17/M20 A3016 RMK AO2 FZRANO TSNO |
| 02:00 PST |  Mostly Cloudy Hazy | -17°C / 1°F | -21°C / -6°F | 71% | 1021 mb (30.15 in) | E 7 kph (E 4.6 mph) | - | 1 3/4SM |
| | KNFL 261000Z AUTO 08004KT 1 3/4SM HZ FEW001 BKN009 M17/M21 A3015 RMK AO2 FZRANO TSNO |
| 01:56 PST |  Partly Cloudy Hazy | -17°C / 1°F | -21°C / -6°F | 71% | 1021 mb (30.15 in) | ENE 9 kph (ENE 5.8 mph) | - | 5SM |
| | KNFL 260956Z AUTO 07005KT 5SM HZ SCT009 M17/M21 A3015 RMK AO2 SLP176 T11721206 FZRANO TSNO |
| 01:41 PST |  Partly Cloudy Hazy | -17°C / 1°F | -19°C / -2°F | 85% | 1021 mb (30.15 in) | E 6 kph (E 3.5 mph) | - | 6SM |
| | KNFL 260941Z AUTO 09003KT 6SM HZ FEW001 M17/M19 A3015 RMK AO2 FZRANO TSNO |
| 01:34 PST |  Partly Cloudy Hazy | -17°C / 1°F | -19°C / -2°F | 85% | 1021 mb (30.15 in) | Calm | - | 2 1/2SM |
| | KNFL 260934Z AUTO 00000KT 2 1/2SM HZ FEW001 M17/M19 A3015 RMK AO2 FZRANO TSNO |
| 01:28 PST |  Partly Cloudy Fog | -16°C / 3°F | -18°C / 0°F | 85% | 1021 mb (30.15 in) | Calm | - | 1/2SM |
| | KNFL 260928Z AUTO 00000KT 1/2SM FZFG FEW001 M16/M18 A3016 RMK AO2 FZRANO TSNO |
| 01:21 PST |  Clear Hazy | -16°C / 3°F | -18°C / 0°F | 85% | 1021 mb (30.15 in) | Calm | - | 1 1/4SM |
| | KNFL 260921Z AUTO 00000KT 1 1/4SM HZ CLR M16/M18 A3016 RMK AO2 FZRANO TSNO |
| 00:56 PST |  Clear Hazy | -16°C / 3°F | -18°C / 0°F | 85% | 1021 mb (30.15 in) | Calm | - | 4SM |
| | KNFL 260856Z AUTO 00000KT 4SM HZ CLR M16/M18 A3016 RMK AO2 SLP176 T11561183 58004 FZRANO TSNO |