| 13:53 PST |  Overcast | -3°C / 27°F | -11°C / 12°F | 54% | 1010 mb (29.83 in) | NNE 19 kph (NNE 11.5 mph) | 0.00 mm (0.00 in) | 9SM |
| | KTVL 222153Z AUTO 02010G14KT 9SM BKN038 OVC048 M03/M11 A2982 RMK AO2 UPB34E36SNB36E51 SLP115 P0000 T10331106 |
| 12:53 PST |  Overcast | -3°C / 27°F | -12°C / 10°F | 50% | 1010 mb (29.83 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KTVL 222053Z AUTO 01003KT 10SM BKN042 OVC050 M03/M12 A2982 RMK AO2 SLP108 60000 T10331117 58006 |
| 11:53 PST |  Mostly Cloudy | -4°C / 25°F | -11°C / 12°F | 59% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KTVL 221953Z AUTO 00000KT 10SM SCT036 BKN047 BKN055 M04/M11 A2983 RMK AO2 SLP114 T10391106 |
| 10:53 PST |  Overcast | -3°C / 27°F | -14°C / 7°F | 43% | 1010 mb (29.83 in) | NE 13 kph (NE 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KTVL 221853Z AUTO 03007KT 10SM SCT048 OVC060 M03/M14 A2984 RMK AO2 SNB17E30 SLP112 P0000 T10331139 |
| 09:53 PST |  Overcast | -4°C / 25°F | -11°C / 12°F | 59% | 1010 mb (29.83 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KTVL 221753Z AUTO 03004KT 10SM OVC034 M04/M11 A2984 RMK AO2 SLP113 60001 T10441111 11033 21083 51024 |
| 08:53 PST |  Partly Cloudy | -6°C / 21°F | -11°C / 12°F | 68% | 1010 mb (29.83 in) | NNE 7 kph (NNE 4.6 mph) | 0.25 mm (0.01 in) | 10SM |
| | KTVL 221653Z AUTO 02004KT 10SM SCT043 M06/M11 A2983 RMK AO2 SNE27 SLP112 P0001 T10611111 |
| 08:40 PST |  Mostly Cloudy | -6°C / 21°F | -11°C / 12°F | 68% | 1010 mb (29.83 in) | NNE 13 kph (NNE 8.1 mph) | 0.25 mm (0.01 in) | 10SM |
| | KTVL 221640Z AUTO 02007KT 10SM SCT021 BKN043 M06/M11 A2983 RMK AO2 SNE27 P0001 |
| 08:25 PST |  Overcast Light Snow | -7°C / 19°F | -11°C / 12°F | 73% | 1010 mb (29.83 in) | Variable 9 kph (Variable 5.8 mph) | 0.25 mm (0.01 in) | 5SM |
| | KTVL 221625Z AUTO VRB05G14KT 5SM -SN BKN019 OVC041 M07/M11 A2982 RMK AO2 P0001 |
| 08:22 PST |  Overcast Light Snow | -7°C / 19°F | -11°C / 12°F | 73% | 1010 mb (29.83 in) | NNE 15 kph (NNE 9.2 mph) | 0.25 mm (0.01 in) | 2SM |
| | KTVL 221622Z AUTO 02008G15KT 2SM -SN OVC017 M07/M11 A2982 RMK AO2 P0001 |
| 08:06 PST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1009 mb (29.8 in) | NNE 20 kph (NNE 12.7 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KTVL 221606Z AUTO 02011G19KT 3/4SM -SN BKN011 OVC018 M06/M09 A2981 RMK AO2 P0000 |
| 07:59 PST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1009 mb (29.8 in) | N 15 kph (N 9.2 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KTVL 221559Z AUTO 01008G24KT 330V040 3/4SM -SN BKN015 OVC021 M06/M09 A2980 RMK AO2 P0000 |
| 07:53 PST |  Overcast Light Snow | -5°C / 23°F | -7°C / 19°F | 86% | 1009 mb (29.8 in) | N 17 kph (N 10.4 mph) | 0.00 mm (0.00 in) | 2SM |
| | KTVL 221553Z AUTO 01009G16KT 310V030 2SM -SN BR BKN015 OVC023 M05/M07 A2980 RMK AO2 SNB1455 SLP098 P0000 T10501072 |
| 07:49 PST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1009 mb (29.8 in) | NNE 17 kph (NNE 10.4 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KTVL 221549Z AUTO 02009G16KT 2 1/2SM -SN OVC015 M04/M07 A2979 RMK AO2 SNB1455 P0000 |
| 07:43 PST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1009 mb (29.8 in) | Variable 11 kph (Variable 6.9 mph) | 0.00 mm (0.00 in) | 6SM |
| | KTVL 221543Z AUTO VRB06G16KT 6SM -SN OVC015 M04/M07 A2979 RMK AO2 SNB1455 P0000 |
| 07:27 PST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1008 mb (29.77 in) | NNE 15 kph (NNE 9.2 mph) | 0.00 mm (0.00 in) | 4SM |
| | KTVL 221527Z AUTO 02008KT 4SM -SN BR OVC015 M04/M07 A2978 RMK AO2 SNB1455 P0000 |
| 07:17 PST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1008 mb (29.77 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 8SM |
| | KTVL 221517Z AUTO 01007KT 8SM -SN OVC012 M04/M06 A2977 RMK AO2 SNB1455 P0000 |
| 07:00 PST |  Mostly Cloudy Light Snow | -3°C / 27°F | -6°C / 21°F | 80% | 1008 mb (29.77 in) | NNE 11 kph (NNE 6.9 mph) | 0.00 mm (0.00 in) | 8SM |
| | KTVL 221500Z AUTO 02006KT 8SM -SN BKN010 BKN018 M03/M06 A2976 RMK AO2 SNB1455 P0000 |
| 06:53 PST |  Mostly Cloudy | -3°C / 27°F | -5°C / 23°F | 86% | 1008 mb (29.77 in) | NNE 11 kph (NNE 6.9 mph) | 0.00 mm (0.00 in) | 10SM |
| | KTVL 221453Z AUTO 02006KT 10SM SCT010 BKN018 M03/M05 A2976 RMK AO2 SNE03B23E33 SLP076 P0000 60000 T10331050 53008 |
| 05:53 PST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1007 mb (29.74 in) | S 7 kph (S 4.6 mph) | 0.00 mm (0.00 in) | 8SM |
| | KTVL 221353Z AUTO 19004KT 8SM -SN FEW036 BKN046 OVC055 M04/M07 A2974 RMK AO2 SNB36 SLP070 P0000 T10441067 |
| 04:53 PST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1007 mb (29.74 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KTVL 221253Z AUTO 20003KT 10SM BKN040 OVC070 M07/M09 A2974 RMK AO2 SLP076 T10671089 |
| 04:30 PST |  Partly Cloudy | -6°C / 21°F | -8°C / 18°F | 86% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KTVL 221230Z AUTO 00000KT 10SM SCT070 M06/M08 A2973 RMK AO2 |
| 04:12 PST |  Clear Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1007 mb (29.74 in) | SSE 6 kph (SSE 3.5 mph) | - | 3SM |
| | KTVL 221212Z AUTO 20003KT 3SM BR CLR M07/M09 A2973 RMK AO2 |
| 04:05 PST |  Clear Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1007 mb (29.74 in) | S 6 kph (S 3.5 mph) | - | 2SM |
| | KTVL 221205Z AUTO 19003KT 2SM BR CLR M07/M09 A2973 RMK AO2 |
| 03:53 PST |  Clear Fog | -8°C / 18°F | -9°C / 16°F | 93% | 1007 mb (29.74 in) | S 7 kph (S 4.6 mph) | - | 1/2SM |
| | KTVL 221153Z AUTO 18004KT 1/2SM FZFG CLR M08/M09 A2973 RMK AO2 SLP072 60001 70042 T10781094 11006 21089 58004 |
| 03:48 PST |  Clear Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1007 mb (29.74 in) | Calm | - | 3/4SM |
| | KTVL 221148Z AUTO 00000KT 3/4SM BR CLR M07/M09 A2973 RMK AO2 |
| 03:41 PST |  Clear Fog And Mist | -6°C / 21°F | -8°C / 18°F | 86% | 1007 mb (29.74 in) | Calm | - | 2 1/2SM |
| | KTVL 221141Z AUTO 00000KT 2 1/2SM BR CLR M06/M08 A2973 RMK AO2 |
| 03:12 PST |  Mostly Cloudy Fog And Mist | -9°C / 16°F | -11°C / 12°F | 86% | 1007 mb (29.74 in) | Calm | - | 3/4SM |
| | KTVL 221112Z AUTO 00000KT 3/4SM BR BKN037 M09/M11 A2975 RMK AO2 |
| 02:56 PST |  Mostly Cloudy Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1007 mb (29.74 in) | Calm | - | 2 1/2SM |
| | KTVL 221056Z AUTO 00000KT 2 1/2SM BR FEW001 BKN035 M06/M07 A2975 RMK AO2 |
| 02:53 PST |  Mostly Cloudy Fog And Mist | -5°C / 23°F | -7°C / 19°F | 86% | 1007 mb (29.74 in) | Calm | - | 5SM |
| | KTVL 221053Z AUTO 00000KT 5SM BR FEW001 BKN035 M05/M07 A2975 RMK AO2 |
| 02:51 PST |  Mostly Cloudy Fog And Mist | -4°C / 25°F | -7°C / 19°F | 80% | 1007 mb (29.74 in) | Calm | - | 2 1/2SM |
| | KTVL 221051Z AUTO 00000KT 2 1/2SM BR FEW001 BKN037 M04/M07 A2975 RMK AO2 SLP074 T10441067 |
| 02:50 PST |  Mostly Cloudy Fog And Mist | -5°C / 23°F | -7°C / 19°F | 86% | 1007 mb (29.74 in) | Calm | - | 2SM |
| | KTVL 221050Z AUTO 00000KT 2SM BR FEW001 BKN037 M05/M07 A2975 RMK AO2 |
| 02:40 PST |  Partly Cloudy Fog And Mist | -8°C / 18°F | -10°C / 14°F | 86% | 1007 mb (29.74 in) | SSE 6 kph (SSE 3.5 mph) | - | 3/4SM |
| | KTVL 221040Z AUTO 20003KT 3/4SM BR FEW001 SCT037 M08/M10 A2975 RMK AO2 |
| 02:27 PST |  Clear Fog | -7°C / 19°F | -9°C / 16°F | 86% | 1007 mb (29.74 in) | SSE 6 kph (SSE 3.5 mph) | - | 1/2SM |
| | KTVL 221027Z AUTO 20003KT 1/2SM FZFG CLR M07/M09 A2975 RMK AO2 |
| 02:07 PST |  Clear Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1007 mb (29.74 in) | Calm | - | 1 3/4SM |
| | KTVL 221007Z AUTO 00000KT 1 3/4SM BR CLR M06/M07 A2975 RMK AO2 |
| 02:04 PST |  Clear Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1007 mb (29.74 in) | Calm | - | 6SM |
| | KTVL 221004Z AUTO 00000KT 6SM BR CLR M04/M06 A2975 RMK AO2 |
| 02:02 PST |  Clear Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1007 mb (29.74 in) | Calm | - | 2SM |
| | KTVL 221002Z AUTO 00000KT 2SM BR CLR M04/M06 A2975 RMK AO2 |
| 01:53 PST |  Partly Cloudy Fog | -5°C / 23°F | -6°C / 21°F | 93% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 1/2SM |
| | KTVL 220953Z AUTO 00000KT 1/2SM FZFG FEW040 M05/M06 A2975 RMK AO2 SNE41 SLP071 P0000 T10501061 |
| 01:49 PST |  Partly Cloudy Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 1 3/4SM |
| | KTVL 220949Z AUTO 00000KT 1 3/4SM BR FEW040 M05/M06 A2974 RMK AO2 SNE41 P0000 |
| 01:26 PST |  Mostly Cloudy | -3°C / 27°F | -5°C / 23°F | 86% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 7SM |
| | KTVL 220926Z AUTO 00000KT 7SM FEW011 SCT040 BKN050 M03/M05 A2975 RMK AO2 SNE26 P0000 |
| 01:17 PST |  Mostly Cloudy Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | SSE 7 kph (SSE 4.6 mph) | 0.00 mm (0.00 in) | 3SM |
| | KTVL 220917Z AUTO 20004KT 3SM -SN BR SCT011 BKN031 BKN050 M03/M04 A2975 RMK AO2 P0000 |
| 01:13 PST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | S 6 kph (S 3.5 mph) | 0.00 mm (0.00 in) | 2SM |
| | KTVL 220913Z AUTO 19003KT 2SM -SN BR BKN011 BKN020 OVC085 M03/M04 A2974 RMK AO2 P0000 |
| 01:02 PST |  Obscured Light Snow | -3°C / 27°F | -5°C / 23°F | 86% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 1SM |
| | KTVL 220902Z AUTO 00000KT 1SM -SN BR VV009 M03/M05 A2974 RMK AO2 P0000 |
| 00:53 PST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 1 1/4SM |
| | KTVL 220853Z AUTO 00000KT 1 1/4SM -SN BR BKN014 OVC040 M03/M04 A2974 RMK AO2 SNB38 SLP062 P0000 60001 T10281044 55004 |
| 00:46 PST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 1 3/4SM |
| | KTVL 220846Z AUTO 00000KT 1 3/4SM -SN BR BKN016 OVC042 M03/M04 A2974 RMK AO2 SNB38 P0000 |
| 00:41 PST |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 4SM |
| | KTVL 220841Z AUTO 00000KT 4SM -SN BR BKN020 OVC042 M03/M04 A2974 RMK AO2 SNB38 P0000 |