| 10:53 PST |  Overcast | 1°C / 34°F | -2°C / 28°F | 81% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KTTD 041853Z 00000KT 10SM OVC031 01/M02 A3026 RMK AO2 SLP245 T00111022 $ |
| 09:53 PST |  Mostly Cloudy | 1°C / 34°F | -3°C / 27°F | 75% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KTTD 041753Z 00000KT 10SM BKN031 01/M03 A3026 RMK AO2 SLP247 T00111028 10011 21039 50004 $ |
| 08:53 PST |  Partly Cloudy | -1°C / 30°F | -3°C / 27°F | 86% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KTTD 041653Z 00000KT 10SM SCT028 M01/M03 A3026 RMK AO2 SLP248 T10061028 |
| 07:53 PST |  Partly Cloudy | -3°C / 27°F | -4°C / 25°F | 93% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KTTD 041553Z 00000KT 10SM FEW049 M03/M04 A3026 RMK AO2 SLP246 T10331044 |
| 06:53 PST |  Partly Cloudy | -3°C / 27°F | -5°C / 23°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KTTD 041453Z 00000KT 10SM FEW055 M03/M05 A3025 RMK AO2 SLP243 T10331050 53006 |
| 05:53 PST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KTTD 041353Z AUTO 00000KT 10SM CLR M03/M05 A3024 RMK AO2 SLP241 T10331050 |
| 04:53 PST |  Clear | -2°C / 28°F | -4°C / 25°F | 86% | 1024 mb (30.24 in) | ESE 6 kph (ESE 3.5 mph) | - | 10SM |
| | KTTD 041253Z AUTO 11003KT 10SM CLR M02/M04 A3023 RMK AO2 SLP236 T10221044 |
| 03:53 PST |  Clear | 0°C / 32°F | -3°C / 27°F | 80% | 1024 mb (30.24 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KTTD 041153Z AUTO 10005KT 10SM CLR 00/M03 A3023 RMK AO2 SLP238 T00001033 10028 20000 58002 |
| 02:53 PST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1024 mb (30.24 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KTTD 041053Z AUTO 10008KT 10SM CLR 01/M03 A3024 RMK AO2 SLP239 T00061028 |
| 01:53 PST |  Partly Cloudy | 1°C / 34°F | -3°C / 27°F | 75% | 1024 mb (30.24 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KTTD 040953Z AUTO 09011KT 10SM FEW085 01/M03 A3024 RMK AO2 SLP240 T00111028 |
| 00:53 PST |  Clear | 2°C / 36°F | -3°C / 27°F | 70% | 1024 mb (30.24 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KTTD 040853Z AUTO 07004KT 10SM CLR 02/M03 A3024 RMK AO2 SLP240 T00171028 50007 |