| 11:55 PST |  Mostly Cloudy | 3°C / 37°F | -7°C / 19°F | 48% | 1021 mb (30.15 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KRNO 041955Z VRB03KT 10SM FEW100 SCT140 BKN180 BKN220 03/M07 A3016 RMK AO2 SLP224 ACSL DSNT S NW T00281072 |
| 10:55 PST |  Mostly Cloudy | 1°C / 34°F | -7°C / 19°F | 56% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KRNO 041855Z 00000KT 10SM SCT140 BKN180 BKN220 01/M07 A3020 RMK AO2 SLP241 CCSL DSNT S-SW T00111067 |
| 09:55 PST |  Overcast | -1°C / 30°F | -7°C / 19°F | 64% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KRNO 041755Z 00000KT 10SM FEW140 BKN180 OVC220 M01/M07 A3023 RMK AO2 SLP254 CCSL DSNT SE-S T10111072 11011 21067 50002 |
| 08:55 PST |  Mostly Cloudy | -3°C / 27°F | -7°C / 19°F | 74% | 1024 mb (30.24 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KRNO 041655Z 19003KT 10SM FEW150 SCT180 BKN220 M03/M07 A3023 RMK AO2 SLP258 CCSL DSNT SW T10331072 |
| 07:55 PST |  Mostly Cloudy | -5°C / 23°F | -8°C / 18°F | 80% | 1024 mb (30.24 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KRNO 041555Z 36003KT 10SM BKN180 BKN250 M05/M08 A3023 RMK AO2 SLP258 T10501078 |
| 06:55 PST |  Mostly Cloudy | -6°C / 21°F | -9°C / 16°F | 80% | 1023 mb (30.21 in) | NNE 6 kph (NNE 3.5 mph) | - | 10SM |
| | KRNO 041455Z 02003KT 10SM SCT150 BKN250 M06/M09 A3022 RMK AO2 SLP254 T10611089 56008 |
| 05:55 PST |  Mostly Cloudy | -6°C / 21°F | -9°C / 16°F | 80% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KRNO 041355Z 00000KT 10SM FEW140 BKN220 M06/M09 A3023 RMK AO2 SLP256 T10611089 |
| 04:55 PST |  Mostly Cloudy | -6°C / 21°F | -9°C / 16°F | 80% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KRNO 041255Z 00000KT 10SM SCT200 BKN250 M06/M09 A3023 RMK AO2 SLP257 T10611089 |
| 03:55 PST |  Mostly Cloudy | -7°C / 19°F | -9°C / 16°F | 86% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KRNO 041155Z 00000KT 10SM SCT200 BKN250 M07/M09 A3025 RMK AO2 SLP257 T10671089 11011 21067 55002 |
| 02:55 PST |  Mostly Cloudy | -4°C / 25°F | -8°C / 18°F | 74% | 1024 mb (30.24 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KRNO 041055Z 31003KT 10SM BKN250 M04/M08 A3024 RMK AO2 SLP248 T10441083 |
| 01:55 PST |  Mostly Cloudy | -3°C / 27°F | -8°C / 18°F | 69% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KRNO 040955Z 00000KT 10SM BKN250 M03/M08 A3025 RMK AO2 SLP251 T10331078 |
| 00:55 PST |  Mostly Cloudy | -3°C / 27°F | -7°C / 19°F | 74% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KRNO 040855Z 00000KT 10SM BKN220 M03/M07 A3026 RMK AO2 SLP256 T10331072 58011 |