| 22:56 PST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KRDM 030656Z AUTO 00000KT 10SM OVC011 M02/M04 A3026 RMK AO2 SLP269 T10171044 |
| 21:56 PST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1024 mb (30.24 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KRDM 030556Z AUTO 33004KT 10SM OVC013 M02/M04 A3024 RMK AO2 SLP266 T10221044 11006 21039 53008 |
| 20:56 PST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1024 mb (30.24 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KRDM 030456Z AUTO 31003KT 10SM OVC013 M02/M04 A3024 RMK AO2 SLP263 T10221039 |
| 19:56 PST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1023 mb (30.21 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KRDM 030356Z AUTO 28004KT 10SM OVC013 M02/M04 A3022 RMK AO2 SLP257 T10221039 |
| 19:37 PST |  Mostly Cloudy | -2°C / 28°F | -4°C / 25°F | 86% | 1023 mb (30.21 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KRDM 030337Z 26005KT 10SM BKN013 M02/M04 A3022 RMK AO2 |
| 19:30 PST |  Mostly Cloudy | -2°C / 28°F | -4°C / 25°F | 86% | 1023 mb (30.21 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KRDM 030330Z 28005KT 10SM BKN015 M02/M04 A3022 RMK AO2 |
| 19:23 PST |  Partly Cloudy | -3°C / 27°F | -4°C / 25°F | 93% | 1023 mb (30.21 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KRDM 030323Z 29004KT 10SM SCT015 M03/M04 A3022 RMK AO2 |
| 18:56 PST |  Mostly Cloudy | -2°C / 28°F | -4°C / 25°F | 86% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KRDM 030256Z 00000KT 10SM BKN015 M02/M04 A3022 RMK AO2 SLP257 T10171039 53005 |
| 18:19 PST |  Mostly Cloudy | -3°C / 27°F | -4°C / 25°F | 93% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KRDM 030219Z 00000KT 10SM BKN015 M03/M04 A3021 RMK AO2 |
| 17:56 PST |  Partly Cloudy | -3°C / 27°F | -5°C / 23°F | 86% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KRDM 030156Z 00000KT 10SM SCT015 M03/M05 A3021 RMK AO2 SLP255 T10331050 |
| 16:56 PST |  Partly Cloudy | -1°C / 30°F | -4°C / 25°F | 80% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KRDM 030056Z 00000KT 10SM SCT013 M01/M04 A3020 RMK AO2 SLP251 T10111044 |
| 15:56 PST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KRDM 022356Z 00000KT 10SM OVC013 M01/M04 A3020 RMK AO2 SLP250 T10061039 10000 21017 53001 |
| 14:56 PST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KRDM 022256Z 00000KT 10SM OVC013 M01/M04 A3019 RMK AO2 SLP246 T10061039 |
| 13:56 PST |  Overcast | 0°C / 32°F | -4°C / 25°F | 75% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KRDM 022156Z 00000KT 10SM OVC013 00/M04 A3019 RMK AO2 SLP243 T00001039 |
| 12:56 PST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KRDM 022056Z 00000KT 10SM OVC013 M01/M04 A3020 RMK AO2 SLP246 T10061039 57009 |
| 11:56 PST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KRDM 021956Z 00000KT 10SM OVC011 M01/M04 A3021 RMK AO2 SLP251 T10061039 |
| 10:56 PST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KRDM 021856Z 00000KT 10SM OVC008 M01/M04 A3022 RMK AO2 SLP256 T10111039 |
| 09:56 PST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1024 mb (30.24 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KRDM 021756Z 30003KT 10SM OVC008 M02/M04 A3023 RMK AO2 SLP261 T10171039 11017 21017 51014 |
| 08:56 PST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1023 mb (30.21 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KRDM 021656Z 30003KT 10SM OVC006 M02/M04 A3022 RMK AO2 SLP255 T10171039 |
| 07:56 PST |  Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KRDM 021556Z 00000KT 10SM OVC006 M02/M03 A3020 RMK AO2 SLP249 T10171028 |
| 06:56 PST |  Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 1022 mb (30.18 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KRDM 021456Z 32003KT 10SM OVC006 M02/M03 A3019 RMK AO2 SLP243 T10171033 51003 |
| 05:56 PST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1022 mb (30.18 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KRDM 021356Z 33003KT 10SM OVC006 M02/M04 A3019 RMK AO2 SLP242 T10171039 |
| 04:56 PST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KRDM 021256Z AUTO 00000KT 10SM OVC008 M02/M04 A3018 RMK AO2 SLP240 T10171039 |
| 04:22 PST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1022 mb (30.18 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KRDM 021222Z AUTO 28003KT 10SM OVC008 M02/M04 A3018 RMK AO2 |
| 03:56 PST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KRDM 021156Z AUTO 00000KT 10SM OVC010 M02/M04 A3018 RMK AO2 SLP238 T10171039 11006 21017 50005 |
| 02:56 PST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1022 mb (30.18 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KRDM 021056Z AUTO 30004KT 10SM OVC010 M02/M04 A3018 RMK AO2 SLP237 T10171039 |
| 01:56 PST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1022 mb (30.18 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KRDM 020956Z AUTO 32005KT 10SM OVC010 M01/M03 A3017 RMK AO2 SLP234 T10111033 |
| 00:56 PST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1021 mb (30.15 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KRDM 020856Z AUTO 32006KT 10SM OVC012 M01/M03 A3016 RMK AO2 SLP232 T10111033 53000 |