| 12:55 PST |  Mostly Cloudy | 0°C / 32°F | -13°C / 9°F | 37% | 1013 mb (29.91 in) | NE 22 kph (NE 13.8 mph) | - | 10SM |
| | KRNO 052055Z 04012KT 10SM SCT050 BKN070 00/M13 A2992 RMK AO2 SLP140 VIRGA DSNT N T00001133 56012 |
| 11:55 PST |  Mostly Cloudy | 0°C / 32°F | -13°C / 9°F | 37% | 1014 mb (29.94 in) | NE 17 kph (NE 10.4 mph) | - | 10SM |
| | KRNO 051955Z 03009KT 10SM SCT048 BKN060 00/M13 A2993 RMK AO2 SLP143 MTN TOPS OBSCD DSNT SW T00001133 |
| 10:55 PST |  Partly Cloudy | 0°C / 32°F | -13°C / 9°F | 37% | 1014 mb (29.94 in) | NNE 11 kph (NNE 6.9 mph) | - | 10SM |
| | KRNO 051855Z 02006KT 10SM SCT048 SCT055 00/M13 A2994 RMK AO2 SLP147 VCSH MTNS OBSCDS DSNT SE-S-SW T00001133 |
| 09:55 PST |  Overcast | -1°C / 30°F | -13°C / 9°F | 40% | 1015 mb (29.97 in) | NE 20 kph (NE 12.7 mph) | - | 10SM |
| | KRNO 051755Z 04011KT 10SM SCT048 OVC080 M01/M13 A2996 RMK AO2 SLP154 T10061128 10061 21006 51012 |
| 08:55 PST |  Mostly Cloudy | -1°C / 30°F | -12°C / 10°F | 43% | 1014 mb (29.94 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KRNO 051655Z 03007KT 10SM FEW044 BKN050 BKN100 M01/M12 A2995 RMK AO2 SLP152 T10061122 |
| 07:55 PST |  Partly Cloudy | -1°C / 30°F | -11°C / 12°F | 47% | 1014 mb (29.94 in) | NE 20 kph (NE 12.7 mph) | - | 10SM |
| | KRNO 051555Z 03011KT 10SM FEW038 SCT050 SCT080 M01/M11 A2995 RMK AO2 SLP147 MT TOPS OBSCD DSNT SW T10061111 |
| 06:55 PST |  Partly Cloudy | 1°C / 34°F | -7°C / 19°F | 56% | 1013 mb (29.91 in) | NE 19 kph (NE 11.5 mph) | - | 10SM |
| | KRNO 051455Z 03010KT 10SM FEW180 01/M07 A2992 RMK AO2 SLP137 T00061072 53015 |
| 05:55 PST |  Clear | 3°C / 37°F | -9°C / 16°F | 41% | 1012 mb (29.88 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KRNO 051355Z 36015KT 10SM CLR 03/M09 A2988 RMK AO2 SLP117 T00281089 |
| 04:55 PST |  Partly Cloudy | 4°C / 39°F | -9°C / 16°F | 39% | 1011 mb (29.85 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KRNO 051255Z 31012G18KT 10SM SCT180 04/M09 A2986 RMK AO2 SLP106 T00441094 |
| 03:55 PST |  Partly Cloudy | 6°C / 43°F | -9°C / 16°F | 34% | 1012 mb (29.88 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KRNO 051155Z 30014G21KT 10SM SCT180 06/M09 A2987 RMK AO2 SLP105 T00611094 10072 20006 56011 |
| 02:55 PST |  Partly Cloudy | 7°C / 45°F | -11°C / 12°F | 27% | 1012 mb (29.88 in) | WNW 6 kph (WNW 3.5 mph) | - | 10SM |
| | KRNO 051055Z 29003KT 10SM SCT180 07/M11 A2989 RMK AO2 SLP110 T00671106 |
| 01:55 PST |  Mostly Cloudy | 7°C / 45°F | -11°C / 12°F | 27% | 1012 mb (29.88 in) | WNW 30 kph (WNW 18.4 mph) | - | 10SM |
| | KRNO 050955Z 29016G23KT 10SM SCT180 BKN250 07/M11 A2989 RMK AO2 SLP111 T00721106 |
| 00:55 PST |  Mostly Cloudy | 2°C / 36°F | -8°C / 18°F | 48% | 1013 mb (29.91 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KRNO 050855Z 12004KT 10SM SCT180 BKN250 02/M08 A2991 RMK AO2 SLP126 T00221083 58027 |