| 15:55 PST |  Partly Cloudy | -9°C / 16°F | -13°C / 9°F | 73% | 1014 mb (29.94 in) | SE 7 kph (SE 4.6 mph) | - | 10SM |
| | KRNO 082355Z 14004KT 10SM FEW038 M09/M13 A2993 RMK AO2 SLP194 T10941133 11078 21144 53003 |
| 14:55 PST |  Partly Cloudy | -8°C / 18°F | -13°C / 9°F | 68% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KRNO 082255Z 00000KT 10SM FEW040 SCT090 M08/M13 A2992 RMK AO2 SLP190 ACSL DSNT S SW T10781133 |
| 13:55 PST |  Mostly Cloudy | -10°C / 14°F | -14°C / 7°F | 73% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KRNO 082155Z 00000KT 10SM BKN085 M10/M14 A2991 RMK AO2 SLP187 T11001139 |
| 12:55 PST |  Mostly Cloudy | -11°C / 12°F | -14°C / 7°F | 79% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KRNO 082055Z 00000KT 10SM BKN085 M11/M14 A2992 RMK AO2 SLP188 T11061144 58004 |
| 11:55 PST |  Mostly Cloudy | -13°C / 9°F | -16°C / 3°F | 78% | 1014 mb (29.94 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KRNO 081955Z 17003KT 10SM BKN085 M13/M16 A2993 RMK AO2 SLP197 VIS LWR N T11281156 |
| 10:55 PST |  Mostly Cloudy | -14°C / 7°F | -17°C / 1°F | 78% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KRNO 081855Z 00000KT 10SM BKN130 M14/M17 A2993 RMK AO2 SLP194 T11391167 |
| 09:55 PST |  Partly Cloudy | -14°C / 7°F | -16°C / 3°F | 85% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KRNO 081755Z 00000KT 10SM FEW015 M14/M16 A2993 RMK AO2 SLP190 BR HZ VC N-E-SE T11441156 11139 21200 51019 |
| 08:55 PST |  Partly Cloudy | -17°C / 1°F | -18°C / 0°F | 92% | 1013 mb (29.91 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KRNO 081655Z 16003KT 10SM FEW002 M17/M18 A2992 RMK AO2 SLP189 VCFG NE-SE T11721183 |
| 07:55 PST |  Partly Cloudy Fog And Mist | -18°C / 0°F | -19°C / -2°F | 92% | 1012 mb (29.88 in) | Calm | - | 5SM |
| | KRNO 081555Z 00000KT 5SM BR SCT002 SCT020 M18/M19 A2989 RMK AO2 SLP181 T11831189 |
| 06:55 PST |  Partly Cloudy | -19°C / -2°F | -21°C / -6°F | 84% | 1012 mb (29.88 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KRNO 081455Z 16004KT 10SM FEW002 SCT030 SCT060 M19/M21 A2987 RMK AO2 SLP175 T11941211 51021 $ |
| 06:42 PST |  Partly Cloudy Fog And Mist | -19°C / -2°F | -21°C / -6°F | 84% | 1012 mb (29.88 in) | SSE 6 kph (SSE 3.5 mph) | - | 6SM |
| | KRNO 081442Z 16003KT 6SM BR FEW002 SCT060 M19/M21 A2987 RMK AO2 $ |
| 05:55 PST |  Partly Cloudy | -18°C / 0°F | -20°C / -4°F | 84% | 1011 mb (29.85 in) | Calm | - | 10SM |
| | KRNO 081355Z 00000KT 10SM FEW020 SCT060 M18/M20 A2986 RMK AO2 SLP168 T11831200 $ |
| 04:55 PST |  Partly Cloudy | -18°C / 0°F | -21°C / -6°F | 78% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KRNO 081255Z 00000KT 10SM FEW050 SCT200 M18/M21 A2982 RMK AO2 SLP156 T11831206 $ |
| 03:55 PST |  Partly Cloudy | -17°C / 1°F | -19°C / -2°F | 85% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KRNO 081155Z 00000KT 10SM FEW010 SCT200 M17/M19 A2980 RMK AO2 SLP143 70039 T11671189 11089 21183 53019 $ |
| 02:55 PST |  Partly Cloudy | -18°C / 0°F | -19°C / -2°F | 92% | 1008 mb (29.77 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KRNO 081055Z 17003KT 10SM FEW010 SCT200 M18/M19 A2977 RMK AO2 SLP136 T11781194 $ |
| 01:55 PST |  Partly Cloudy | -16°C / 3°F | -18°C / 0°F | 85% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | KRNO 080955Z 00000KT 10SM FEW030 SCT200 M16/M18 A2976 RMK AO2 SLP125 T11561178 $ |
| 00:55 PST |  Partly Cloudy | -14°C / 7°F | -16°C / 3°F | 85% | 1007 mb (29.74 in) | Calm | - | 9SM |
| | KRNO 080855Z 00000KT 9SM FEW030 SCT070 M14/M16 A2974 RMK AO2 SLP114 T11391156 53007 $ |