| 15:53 PST |  Clear | 8°C / 46°F | -19°C / -2°F | 13% | 1021 mb (30.15 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KVGT 042353Z 10004KT 10SM CLR 08/M19 A3015 RMK AO2 SLP209 T00831194 10089 20056 56023 |
| 14:53 PST |  Clear | 9°C / 48°F | -19°C / -2°F | 12% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KVGT 042253Z 00000KT 10SM CLR 09/M19 A3017 RMK AO2 SLP215 T00891194 |
| 13:53 PST |  Clear | 9°C / 48°F | -19°C / -2°F | 12% | 1023 mb (30.21 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KVGT 042153Z 13004KT 10SM CLR 09/M19 A3020 RMK AO2 SLP224 T00891189 |
| 12:53 PST |  Clear | 8°C / 46°F | -18°C / 0°F | 14% | 1023 mb (30.21 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KVGT 042053Z 15004KT 10SM CLR 08/M18 A3022 RMK AO2 SLP233 T00831183 58032 |
| 11:53 PST |  Clear | 7°C / 45°F | -18°C / 0°F | 15% | 1025 mb (30.27 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KVGT 041953Z 15005KT 10SM CLR 07/M18 A3026 RMK AO2 SLP245 T00721183 |
| 10:53 PST |  Clear | 7°C / 45°F | -17°C / 1°F | 16% | 1026 mb (30.3 in) | Variable 9 kph (Variable 5.8 mph) | - | 10SM |
| | KVGT 041853Z VRB05KT 10SM CLR 07/M17 A3029 RMK AO2 SLP257 T00671172 |
| 09:53 PST |  Clear | 6°C / 43°F | -18°C / 0°F | 16% | 1027 mb (30.33 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KVGT 041753Z 15004KT 10SM CLR 06/M18 A3032 RMK AO2 SLP267 T00561178 10056 21017 50003 |
| 08:53 PST |  Clear | 4°C / 39°F | -18°C / 0°F | 18% | 1027 mb (30.33 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KVGT 041653Z 19004KT 10SM CLR 04/M18 A3033 RMK AO2 SLP270 T00391178 |
| 07:53 PST |  Clear | 2°C / 36°F | -15°C / 5°F | 27% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KVGT 041553Z 00000KT 10SM CLR 02/M15 A3032 RMK AO2 SLP269 T00171150 FZRANO |
| 06:53 PST |  Clear | -1°C / 30°F | -16°C / 3°F | 31% | 1026 mb (30.3 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KVGT 041453Z 26004KT 10SM CLR M01/M16 A3031 RMK AO2 SLP267 T10061161 53005 FZRANO |
| 05:53 PST |  Clear | 1°C / 34°F | -17°C / 1°F | 25% | 1026 mb (30.3 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KVGT 041353Z 27004KT 10SM CLR 01/M17 A3030 RMK AO2 SLP263 T00061172 FZRANO |
| 04:53 PST |  Clear | 1°C / 34°F | -17°C / 1°F | 25% | 1026 mb (30.3 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KVGT 041253Z AUTO 23006KT 10SM CLR 01/M17 A3030 RMK AO2 SLP258 T00111167 FZRANO TSNO |
| 03:53 PST |  Clear | 1°C / 34°F | -16°C / 3°F | 27% | 1026 mb (30.3 in) | Calm | - | 10SM |
| | KVGT 041153Z AUTO 00000KT 10SM CLR 01/M16 A3030 RMK AO2 SLP257 T00061156 10050 20000 51008 FZRANO TSNO |
| 02:53 PST |  Clear | 1°C / 34°F | -16°C / 3°F | 27% | 1026 mb (30.3 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KVGT 041053Z AUTO 26003KT 10SM CLR 01/M16 A3029 RMK AO2 SLP253 T00061161 FZRANO TSNO |
| 01:53 PST |  Clear | 2°C / 36°F | -17°C / 1°F | 23% | 1026 mb (30.3 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KVGT 040953Z AUTO 21003KT 10SM CLR 02/M17 A3029 RMK AO2 SLP252 T00171167 FZRANO TSNO |
| 00:53 PST |  Clear | 2°C / 36°F | -15°C / 5°F | 27% | 1025 mb (30.27 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KVGT 040853Z AUTO 22003KT 10SM CLR 02/M15 A3027 RMK AO2 SLP247 T00171150 51014 FZRANO TSNO |