| 16:53 PST |  Mostly Cloudy | -1°C / 30°F | -9°C / 16°F | 55% | 1019 mb (30.09 in) | Variable 7 kph (Variable 4.6 mph) | - | 10SM |
| | KTVL 290053Z AUTO VRB04KT 10SM BKN060 M01/M09 A3009 RMK AO2 SLP189 T10061094 TSNO |
| 15:53 PST |  Overcast | -1°C / 30°F | -6°C / 21°F | 69% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KTVL 282353Z AUTO 00000KT 10SM OVC055 M01/M06 A3007 RMK AO2 SLP184 T10061061 10022 21011 51013 TSNO |
| 14:53 PST |  Overcast | 2°C / 36°F | -9°C / 16°F | 44% | 1018 mb (30.06 in) | Variable 9 kph (Variable 5.8 mph) | - | 10SM |
| | KTVL 282253Z AUTO VRB05KT 10SM OVC050 02/M09 A3006 RMK AO2 SLP176 T00221094 TSNO |
| 13:53 PST |  Partly Cloudy | 0°C / 32°F | -8°C / 18°F | 55% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KTVL 282153Z AUTO 00000KT 10SM FEW050 SCT060 00/M08 A3004 RMK AO2 SLP174 T00001083 TSNO |
| 12:53 PST |  Partly Cloudy | 1°C / 34°F | -8°C / 18°F | 51% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KTVL 282053Z AUTO 00000KT 10SM FEW047 01/M08 A3002 RMK AO2 SLP165 T00061083 58007 TSNO |
| 11:53 PST |  Partly Cloudy | 0°C / 32°F | -8°C / 18°F | 55% | 1017 mb (30.03 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KTVL 281953Z AUTO VRB03KT 10SM FEW040 00/M08 A3003 RMK AO2 SLP168 T00001083 TSNO |
| 10:53 PST |  Overcast | 0°C / 32°F | -6°C / 21°F | 64% | 1018 mb (30.06 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KTVL 281853Z AUTO VRB03KT 10SM OVC032 00/M06 A3005 RMK AO2 SLP176 T00001061 TSNO |
| 10:50 PST |  Overcast | 0°C / 32°F | -6°C / 21°F | 64% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KTVL 281850Z AUTO 00000KT 10SM OVC032 00/M06 A3005 RMK AO2 TSNO |
| 09:53 PST |  Overcast | -1°C / 30°F | -6°C / 21°F | 69% | 1017 mb (30.03 in) | Variable 6 kph (Variable 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KTVL 281753Z AUTO VRB03KT 10SM OVC026 M01/M06 A3004 RMK AO2 UPB20E22FZRAB22E25SNB01E20B25E35 SLP172 P0000 60000 T10061056 10006 21006 53022 TSNO |
| 08:53 PST |  Overcast | -1°C / 30°F | -5°C / 23°F | 75% | 1016 mb (30 in) | NNE 15 kph (NNE 9.2 mph) | - | 10SM |
| | KTVL 281653Z AUTO 02008KT 330V040 10SM OVC020 M01/M05 A3001 RMK AO2 SLP162 T10061050 TSNO |
| 07:53 PST |  Overcast | -1°C / 30°F | -5°C / 23°F | 75% | 1015 mb (29.97 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KTVL 281553Z AUTO 01007KT 340V050 10SM OVC020 M01/M05 A2998 RMK AO2 SNE04 SLP156 P0000 T10061050 TSNO |
| 07:00 PST |  Overcast Light Snow | -1°C / 30°F | -5°C / 23°F | 75% | 1015 mb (29.97 in) | NNE 15 kph (NNE 9.2 mph) | 0.00 mm (0.00 in) | 7SM |
| | KTVL 281500Z AUTO 02008G17KT 7SM -SN BKN026 OVC030 M01/M05 A2996 RMK AO2 P0000 TSNO |
| 06:53 PST |  Overcast Light Snow | 0°C / 32°F | -5°C / 23°F | 69% | 1015 mb (29.97 in) | NE 24 kph (NE 15 mph) | 0.00 mm (0.00 in) | 4SM |
| | KTVL 281453Z AUTO 03013G17KT 4SM -SN BKN026 OVC031 00/M05 A2996 RMK AO2 SNE17B36 SLP144 P0000 60000 T00001050 51010 TSNO |
| 05:53 PST |  Overcast Light Snow | 0°C / 32°F | -4°C / 25°F | 75% | 1014 mb (29.94 in) | NE 9 kph (NE 5.8 mph) | 0.00 mm (0.00 in) | 9SM |
| | KTVL 281353Z AUTO 05005KT 9SM -SN OVC025 00/M04 A2993 RMK AO2 SNB48 SLP133 P0000 T00001039 TSNO |
| 04:53 PST |  Overcast | 0°C / 32°F | -4°C / 25°F | 75% | 1013 mb (29.91 in) | Variable 7 kph (Variable 4.6 mph) | - | 10SM |
| | KTVL 281253Z AUTO VRB04KT 10SM OVC025 00/M04 A2992 RMK AO2 SLP129 T00001039 TSNO |
| 03:53 PST |  Overcast | 1°C / 34°F | -3°C / 27°F | 75% | 1013 mb (29.91 in) | NNE 17 kph (NNE 10.4 mph) | 0.25 mm (0.01 in) | 9SM |
| | KTVL 281153Z AUTO 02009KT 9SM OVC027 01/M03 A2991 RMK AO2 SNE49 SLP124 P0001 60001 70040 T00061033 10006 20000 51004 TSNO |
| 03:38 PST |  Overcast Light Snow | 1°C / 34°F | -3°C / 27°F | 75% | 1013 mb (29.91 in) | N 17 kph (N 10.4 mph) | 0.25 mm (0.01 in) | 7SM |
| | KTVL 281138Z AUTO 01009G14KT 7SM -SN OVC027 01/M03 A2991 RMK AO2 P0001 TSNO |
| 03:31 PST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1013 mb (29.91 in) | N 9 kph (N 5.8 mph) | 0.25 mm (0.01 in) | 5SM |
| | KTVL 281131Z AUTO 01005G14KT 5SM -SN FEW024 OVC030 00/M03 A2991 RMK AO2 P0001 TSNO |
| 03:27 PST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1013 mb (29.91 in) | NNE 17 kph (NNE 10.4 mph) | 0.25 mm (0.01 in) | 3SM |
| | KTVL 281127Z AUTO 02009G14KT 3SM -SN FEW020 BKN027 OVC035 00/M03 A2991 RMK AO2 P0001 TSNO |
| 03:03 PST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1013 mb (29.91 in) | NNE 15 kph (NNE 9.2 mph) | 0.00 mm (0.00 in) | 3SM |
| | KTVL 281103Z AUTO 02008G15KT 3SM -SN FEW016 BKN030 OVC037 00/M03 A2990 RMK AO2 P0000 TSNO |
| 02:53 PST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1013 mb (29.91 in) | NE 17 kph (NE 10.4 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KTVL 281053Z AUTO 03009KT 2 1/2SM -SN SCT016 SCT025 OVC035 00/M03 A2991 RMK AO2 UPB13E23SNE00B23 SLP119 P0000 T00001033 TSNO |
| 02:37 PST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1013 mb (29.91 in) | NNE 17 kph (NNE 10.4 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KTVL 281037Z AUTO 02009G14KT 2 1/2SM -SN FEW018 BKN029 OVC044 00/M03 A2991 RMK AO2 UPB13E23SNE00B23 P0000 TSNO |
| 02:31 PST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1013 mb (29.91 in) | NE 19 kph (NE 11.5 mph) | 0.00 mm (0.00 in) | 4SM |
| | KTVL 281031Z AUTO 03010G14KT 4SM -SN FEW020 SCT026 OVC034 00/M03 A2991 RMK AO2 UPB13E23SNE00B23 P0000 TSNO |
| 01:53 PST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1013 mb (29.91 in) | NNE 15 kph (NNE 9.2 mph) | 0.00 mm (0.00 in) | 8SM |
| | KTVL 280953Z AUTO 02008G20KT 8SM -SN FEW026 BKN031 OVC048 00/M03 A2991 RMK AO2 SLP120 P0000 T00001033 TSNO |
| 01:35 PST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1013 mb (29.91 in) | N 15 kph (N 9.2 mph) | 0.00 mm (0.00 in) | 6SM |
| | KTVL 280935Z AUTO 01008G15KT 6SM -SN SCT016 BKN035 OVC046 00/M03 A2991 RMK AO2 P0000 TSNO |
| 01:30 PST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1013 mb (29.91 in) | NE 19 kph (NE 11.5 mph) | 0.00 mm (0.00 in) | 3SM |
| | KTVL 280930Z AUTO 03010G15KT 3SM -SN BKN016 BKN041 OVC048 00/M03 A2990 RMK AO2 P0000 TSNO |
| 01:18 PST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1013 mb (29.91 in) | NE 20 kph (NE 12.7 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KTVL 280918Z AUTO 04011G17KT 1 1/2SM -SN OVC016 00/M03 A2990 RMK AO2 P0000 TSNO |
| 01:03 PST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1013 mb (29.91 in) | NE 19 kph (NE 11.5 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KTVL 280903Z AUTO 03010KT 2 1/2SM -SN BKN018 OVC036 00/M03 A2990 RMK AO2 P0000 TSNO |
| 00:53 PST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1013 mb (29.91 in) | NE 19 kph (NE 11.5 mph) | 0.00 mm (0.00 in) | 3SM |
| | KTVL 280853Z AUTO 04010KT 3SM -SN BKN020 OVC036 00/M03 A2990 RMK AO2 FZRAE0759SNB0759 SLP117 P0000 60000 T00001033 52000 TSNO |
| 00:41 PST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1013 mb (29.91 in) | NE 15 kph (NE 9.2 mph) | 0.00 mm (0.00 in) | 2SM |
| | KTVL 280841Z AUTO 03008KT 2SM -SN BKN020 OVC040 00/M03 A2990 RMK AO2 FZRAE0759SNB0759 P0000 TSNO |
| 00:30 PST |  Overcast Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1013 mb (29.91 in) | NE 11 kph (NE 6.9 mph) | 0.00 mm (0.00 in) | 4SM |
| | KTVL 280830Z AUTO 03006KT 4SM -SN BKN022 BKN037 OVC045 00/M03 A2990 RMK AO2 FZRAE0759SNB0759 P0000 TSNO |
| 00:05 PST |  Overcast Light Snow | 1°C / 34°F | -3°C / 27°F | 75% | 1013 mb (29.91 in) | N 15 kph (N 9.2 mph) | 0.00 mm (0.00 in) | 6SM |
| | KTVL 280805Z AUTO 01008G15KT 6SM -SN FEW026 BKN033 OVC048 01/M03 A2990 RMK AO2 FZRAE0759SNB0759 P0000 TSNO |