| 16:53 PST |  Clear | -1°C / 30°F | -12°C / 10°F | 43% | 1017 mb (30.03 in) | E 17 kph (E 10.4 mph) | - | 10SM |
| | KTTD 110053Z 09009KT 10SM CLR M01/M12 A3004 RMK AO2 SLP173 T10111117 |
| 15:53 PST |  Clear | 0°C / 32°F | -12°C / 10°F | 40% | 1018 mb (30.06 in) | E 17 kph (E 10.4 mph) | - | 10SM |
| | KTTD 102353Z 09009KT 10SM CLR 00/M12 A3005 RMK AO2 SLP176 T00001122 10011 21033 58011 |
| 14:53 PST |  Clear | 1°C / 34°F | -13°C / 9°F | 35% | 1018 mb (30.06 in) | E 17 kph (E 10.4 mph) | - | 10SM |
| | KTTD 102253Z 09009KT 10SM CLR 01/M13 A3007 RMK AO2 SLP181 T00111128 |
| 13:53 PST |  Clear | 1°C / 34°F | -13°C / 9°F | 35% | 1018 mb (30.06 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KTTD 102153Z 10008KT 10SM CLR 01/M13 A3007 RMK AO2 SLP183 T00111133 |
| 12:53 PST |  Clear | 0°C / 32°F | -13°C / 9°F | 37% | 1019 mb (30.09 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KTTD 102053Z 09008KT 10SM CLR 00/M13 A3009 RMK AO2 SLP187 T00001128 58021 |
| 11:53 PST |  Clear | -1°C / 30°F | -13°C / 9°F | 40% | 1020 mb (30.12 in) | E 19 kph (E 11.5 mph) | - | 10SM |
| | KTTD 101953Z 09010KT 10SM CLR M01/M13 A3012 RMK AO2 SLP198 T10061128 |
| 10:53 PST |  Clear | -2°C / 28°F | -13°C / 9°F | 43% | 1021 mb (30.15 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KTTD 101853Z 08008G17KT 10SM CLR M02/M13 A3014 RMK AO2 SLP206 T10171128 |
| 09:55 PST |  Clear | -3°C / 27°F | -14°C / 7°F | 43% | 1021 mb (30.15 in) | ENE 26 kph (ENE 16.1 mph) | - | 10SM |
| | KTTD 101755Z 06014G21KT 10SM CLR M03/M14 A3015 RMK AO2 NO SPECI |
| 09:53 PST |  Clear | -3°C / 27°F | -14°C / 7°F | 43% | 1021 mb (30.15 in) | E 26 kph (E 16.1 mph) | - | 10SM |
| | KTTD 101753Z 08014G21KT 10SM CLR M03/M14 A3015 RMK AO2 SLP208 T10331139 11028 21050 50001 |
| 08:55 PST |  Clear | -4°C / 25°F | -15°C / 5°F | 42% | 1021 mb (30.15 in) | NE 19 kph (NE 11.5 mph) | - | 10SM |
| | KTTD 101655Z 05010G19KT 10SM CLR M04/M15 A3015 RMK AO2 NO SPECI |
| 07:55 PST |  Clear | -5°C / 23°F | -15°C / 5°F | 46% | 1021 mb (30.15 in) | ENE 26 kph (ENE 16.1 mph) | - | 10SM |
| | KTTD 101555Z 06014G22KT 10SM CLR M05/M15 A3015 RMK AO2 NO SPECI |
| 06:52 PST |  Clear | -5°C / 23°F | -14°C / 7°F | 50% | 1021 mb (30.15 in) | ENE 24 kph (ENE 15 mph) | - | 10SM |
| | KTTD 101452Z 06013G19KT 10SM CLR M05/M14 A3014 RMK AO2 NO SPECI |
| 06:04 PST |  Partly Cloudy | -5°C / 23°F | -14°C / 7°F | 50% | 1021 mb (30.15 in) | ENE 30 kph (ENE 18.4 mph) | - | 10SM |
| | KTTD 101404Z 07016KT 10SM FEW080 M05/M14 A3014 RMK AO2 NO SPECI |
| 04:52 PST |  Partly Cloudy | -5°C / 23°F | -14°C / 7°F | 50% | 1021 mb (30.15 in) | ENE 35 kph (ENE 21.9 mph) | - | 10SM |
| | KTTD 101252Z 07019KT 10SM FEW085 M05/M14 A3015 RMK AO2 NO SPECI |
| 03:57 PST |  Partly Cloudy | -4°C / 25°F | -13°C / 9°F | 50% | 1021 mb (30.15 in) | ENE 33 kph (ENE 20.7 mph) | - | 10SM |
| | KTTD 101157Z 07018G24KT 10SM FEW090 M04/M13 A3016 RMK AO2 NO SPECI |
| 02:53 PST |  Clear | -4°C / 25°F | -14°C / 7°F | 46% | 1021 mb (30.15 in) | ENE 33 kph (ENE 20.7 mph) | - | 10SM |
| | KTTD 101053Z 07018KT 10SM CLR M04/M14 A3016 RMK AO2 NO SPECI |
| 02:03 PST |  Partly Cloudy | -4°C / 25°F | -13°C / 9°F | 50% | 1021 mb (30.15 in) | ENE 32 kph (ENE 19.6 mph) | - | 10SM |
| | KTTD 101003Z 07017G23KT 10SM FEW080 M04/M13 A3016 RMK AO2 NO SPECI |
| 00:56 PST |  Clear | -4°C / 25°F | -13°C / 9°F | 50% | 1022 mb (30.18 in) | ENE 32 kph (ENE 19.6 mph) | - | 10SM |
| | KTTD 100856Z 07017G26KT 10SM CLR M04/M13 A3017 RMK AO2 NO SPECI |