| 11:56 PST |  Clear | 0°C / 32°F | -8°C / 18°F | 55% | 1016 mb (30 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KMEH 041956Z AUTO VRB03KT 10SM CLR 00/M08 A2999 RMK AO2 SLP184 T00001083 TSNO |
| 10:56 PST |  Clear | 0°C / 32°F | -8°C / 18°F | 55% | 1017 mb (30.03 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KMEH 041856Z AUTO 28006KT 10SM CLR 00/M08 A3002 RMK AO2 SLP194 T00001083 TSNO |
| 09:56 PST |  Clear | -1°C / 30°F | -9°C / 16°F | 55% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KMEH 041756Z AUTO 00000KT 10SM CLR M01/M09 A3002 RMK AO2 SLP197 T10061089 11006 21100 58006 TSNO |
| 08:56 PST |  Clear | -6°C / 21°F | -9°C / 16°F | 80% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KMEH 041656Z AUTO 00000KT 10SM CLR M06/M09 A3003 RMK AO2 SLP207 T10611094 TSNO |
| 07:56 PST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KMEH 041556Z AUTO 00000KT 10SM CLR M09/M11 A3004 RMK AO2 SLP216 T10941106 TSNO |
| 06:56 PST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KMEH 041456Z AUTO 00000KT 10SM CLR M09/M11 A3004 RMK AO2 SLP216 T10941111 55004 TSNO |
| 05:56 PST |  Clear | -8°C / 18°F | -11°C / 12°F | 79% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KMEH 041356Z AUTO 00000KT 10SM CLR M08/M11 A3004 RMK AO2 SLP212 T10831106 TSNO |
| 04:56 PST |  Clear | -7°C / 19°F | -11°C / 12°F | 73% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KMEH 041256Z AUTO 00000KT 10SM CLR M07/M11 A3003 RMK AO2 SLP209 T10721106 TSNO |
| 03:56 PST |  Clear | -6°C / 21°F | -11°C / 12°F | 68% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KMEH 041156Z AUTO 00000KT 10SM CLR M06/M11 A3005 RMK AO2 SLP214 T10611106 11044 21061 58016 TSNO |
| 02:56 PST |  Mostly Cloudy | -5°C / 23°F | -10°C / 14°F | 68% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KMEH 041056Z AUTO 00000KT 10SM BKN120 M05/M10 A3007 RMK AO2 SLP216 T10501100 TSNO |
| 01:56 PST |  Clear | -6°C / 21°F | -10°C / 14°F | 74% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KMEH 040956Z AUTO 00000KT 10SM CLR M06/M10 A3010 RMK AO2 SLP230 T10611100 TSNO |
| 00:56 PST |  Clear | -5°C / 23°F | -9°C / 16°F | 74% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KMEH 040856Z AUTO 00000KT 10SM CLR M05/M09 A3011 RMK AO2 SLP229 T10501089 56014 TSNO |