| 14:56 PST |  Partly Cloudy | 2°C / 36°F | -14°C / 7°F | 30% | 1013 mb (29.91 in) | N 22 kph (N 13.8 mph) | - | 10SM |
| | KNFL 052256Z 36012KT 10SM FEW060 SCT150 02/M14 A2991 RMK AO2 SLP101 T00171139 $ |
| 13:56 PST |  Mostly Cloudy | 1°C / 34°F | -13°C / 9°F | 35% | 1013 mb (29.91 in) | N 26 kph (N 16.1 mph) | - | 10SM |
| | KNFL 052156Z 01014G21KT 10SM BKN060 BKN150 BKN250 01/M13 A2992 RMK AO2 SLP105 T00111128 $ |
| 12:56 PST |  Mostly Cloudy | 1°C / 34°F | -13°C / 9°F | 35% | 1014 mb (29.94 in) | N 20 kph (N 12.7 mph) | - | 10SM |
| | KNFL 052056Z 36011G20KT 10SM SCT055 SCT070 BKN150 BKN250 01/M13 A2993 RMK AO2 SLP107 T00111128 56014 $ |
| 11:56 PST |  Mostly Cloudy | 2°C / 36°F | -13°C / 9°F | 32% | 1014 mb (29.94 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KNFL 051956Z 01015KT 10SM SCT080 BKN150 BKN250 02/M13 A2993 RMK AO2 SLP110 T00171128 $ |
| 10:56 PST |  Mostly Cloudy | 1°C / 34°F | -12°C / 10°F | 38% | 1015 mb (29.97 in) | N 24 kph (N 15 mph) | - | 10SM |
| | KNFL 051856Z 35013KT 10SM SCT080 BKN150 BKN250 01/M12 A2996 RMK AO2 SLP117 ACSL DSNT W T00061117 $ |
| 09:56 PST |  Mostly Cloudy | -1°C / 30°F | -11°C / 12°F | 47% | 1015 mb (29.97 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KNFL 051756Z 33007KT 10SM BKN065 BKN150 M01/M11 A2997 RMK AO2 SLP121 T10061106 11006 21072 53001 $ |
| 09:02 PST |  Mostly Cloudy | -1°C / 30°F | -11°C / 12°F | 47% | 1015 mb (29.97 in) | NNW 20 kph (NNW 12.7 mph) | - | 10SM |
| | KNFL 051702Z 33011KT 10SM BKN060 BKN150 M01/M11 A2997 RMK AO2 $ |
| 08:56 PST |  Mostly Cloudy | -1°C / 30°F | -11°C / 12°F | 47% | 1015 mb (29.97 in) | NNW 22 kph (NNW 13.8 mph) | - | 10SM |
| | KNFL 051656Z AUTO 34012KT 10SM BKN060 M01/M11 A2996 RMK AO2 SLP118 T10111111 FZRANO TSNO $ |
| 07:56 PST |  Overcast | -3°C / 27°F | -11°C / 12°F | 54% | 1015 mb (29.97 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KNFL 051556Z AUTO 32011KT 10SM OVC050 M03/M11 A2997 RMK AO2 SLP121 T10281111 FZRANO TSNO $ |
| 06:56 PST |  Clear | -4°C / 25°F | -12°C / 10°F | 54% | 1015 mb (29.97 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KNFL 051456Z AUTO 34005KT 10SM CLR M04/M12 A2997 RMK AO2 SLP120 T10441117 53028 FZRANO TSNO $ |
| 05:56 PST |  Clear | -5°C / 23°F | -10°C / 14°F | 68% | 1014 mb (29.94 in) | N 20 kph (N 12.7 mph) | - | 10SM |
| | KNFL 051356Z AUTO 36011KT 10SM CLR M05/M10 A2993 RMK AO2 SLP109 T10501100 FZRANO TSNO $ |
| 04:56 PST |  Clear | -7°C / 19°F | -10°C / 14°F | 79% | 1012 mb (29.88 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KNFL 051256Z AUTO 34005KT 10SM CLR M07/M10 A2987 RMK AO2 SLP091 T10721100 FZRANO TSNO $ |
| 03:56 PST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1012 mb (29.88 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KNFL 051156Z AUTO 01008KT 10SM CLR M04/M09 A2987 RMK AO2 SLP091 T10391094 10011 21044 55007 FZRANO TSNO $ |
| 02:56 PST |  Clear | -1°C / 30°F | -9°C / 16°F | 55% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KNFL 051056Z AUTO 00000KT 10SM CLR M01/M09 A2987 RMK AO2 SLP091 T10111089 FZRANO TSNO $ |
| 01:56 PST |  Clear | 0°C / 32°F | -9°C / 16°F | 51% | 1012 mb (29.88 in) | SE 11 kph (SE 6.9 mph) | - | 10SM |
| | KNFL 050956Z AUTO 13006KT 10SM CLR 00/M09 A2989 RMK AO2 SLP095 T00001089 FZRANO TSNO $ |
| 00:56 PST |  Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1013 mb (29.91 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KNFL 050856Z AUTO 19006KT 10SM CLR M02/M06 A2990 RMK AO2 SLP098 T10171061 58028 FZRANO TSNO $ |