| 11:27 MST |  Overcast Fog And Mist | -7°C / 19°F | -9°C / 16°F | 86% | 1014 mb (29.94 in) | SE 19 kph (SE 11.5 mph) | - | 2SM |
| | KHEI 221827Z AUTO 12010KT 2SM BR OVC003 M07/M09 A2993 RMK AO2 |
| 11:14 MST |  Overcast Fog And Mist | -8°C / 18°F | -9°C / 16°F | 93% | 1014 mb (29.94 in) | SE 19 kph (SE 11.5 mph) | - | 1 3/4SM |
| | KHEI 221814Z AUTO 13010KT 1 3/4SM BR OVC003 M08/M09 A2994 RMK AO2 |
| 11:00 MST |  Overcast Fog And Mist | -8°C / 18°F | -9°C / 16°F | 93% | 1014 mb (29.94 in) | SE 20 kph (SE 12.7 mph) | - | 2SM |
| | KHEI 221800Z AUTO 13011KT 2SM BR OVC003 M08/M09 A2994 RMK AO2 |
| 10:53 MST |  Overcast Fog And Mist | -8°C / 18°F | -9°C / 16°F | 93% | 1014 mb (29.94 in) | SE 22 kph (SE 13.8 mph) | - | 3SM |
| | KHEI 221753Z AUTO 14012KT 3SM BR OVC003 M08/M09 A2994 RMK AO2 SLP183 T10781094 11078 21089 58000 |
| 10:36 MST |  Overcast Fog And Mist | -8°C / 18°F | -9°C / 16°F | 93% | 1014 mb (29.94 in) | SE 17 kph (SE 10.4 mph) | - | 3SM |
| | KHEI 221736Z AUTO 13009KT 3SM BR OVC003 M08/M09 A2994 RMK AO2 |
| 09:53 MST |  Overcast Fog And Mist | -8°C / 18°F | -9°C / 16°F | 93% | 1014 mb (29.94 in) | SE 15 kph (SE 9.2 mph) | - | 2SM |
| | KHEI 221653Z AUTO 13008KT 2SM BR OVC003 M08/M09 A2995 RMK AO2 SLP187 T10831094 |
| 09:48 MST |  Overcast Fog And Mist | -8°C / 18°F | -9°C / 16°F | 93% | 1014 mb (29.94 in) | SE 17 kph (SE 10.4 mph) | - | 2SM |
| | KHEI 221648Z AUTO 12009KT 2SM BR OVC003 M08/M09 A2995 RMK AO2 |
| 09:34 MST |  Overcast Fog And Mist | -8°C / 18°F | -10°C / 14°F | 86% | 1014 mb (29.94 in) | SE 17 kph (SE 10.4 mph) | - | 1 3/4SM |
| | KHEI 221634Z AUTO 13009KT 1 3/4SM BR OVC003 M08/M10 A2995 RMK AO2 |
| 08:53 MST |  Overcast Fog And Mist | -8°C / 18°F | -10°C / 14°F | 86% | 1014 mb (29.94 in) | SE 19 kph (SE 11.5 mph) | - | 2SM |
| | KHEI 221553Z AUTO 13010KT 2SM BR OVC003 M08/M10 A2994 RMK AO2 SLP184 T10831100 |
| 07:53 MST |  Overcast Fog And Mist | -9°C / 16°F | -10°C / 14°F | 93% | 1014 mb (29.94 in) | SE 19 kph (SE 11.5 mph) | - | 2 1/2SM |
| | KHEI 221453Z AUTO 12010KT 2 1/2SM BR OVC003 M09/M10 A2993 RMK AO2 SLP180 T10891100 51007 |
| 07:46 MST |  Overcast Fog And Mist | -9°C / 16°F | -10°C / 14°F | 93% | 1014 mb (29.94 in) | SE 17 kph (SE 10.4 mph) | - | 2 1/2SM |
| | KHEI 221446Z AUTO 12009KT 2 1/2SM BR OVC003 M09/M10 A2993 RMK AO2 |
| 06:53 MST |  Overcast Fog And Mist | -8°C / 18°F | -10°C / 14°F | 86% | 1014 mb (29.94 in) | SE 19 kph (SE 11.5 mph) | - | 6SM |
| | KHEI 221353Z AUTO 13010KT 6SM BR OVC003 M08/M10 A2993 RMK AO2 SLP177 T10831100 |
| 05:53 MST |  Overcast Fog And Mist | -9°C / 16°F | -10°C / 14°F | 93% | 1013 mb (29.91 in) | SE 20 kph (SE 12.7 mph) | - | 5SM |
| | KHEI 221253Z AUTO 13011KT 5SM BR OVC003 M09/M10 A2992 RMK AO2 SLP176 T10891100 |
| 04:53 MST |  Overcast Fog And Mist | -9°C / 16°F | -10°C / 14°F | 93% | 1013 mb (29.91 in) | SE 17 kph (SE 10.4 mph) | - | 6SM |
| | KHEI 221153Z AUTO 12009KT 6SM BR OVC003 M09/M10 A2991 RMK AO2 SLP172 70018 T10891100 11078 21089 58007 |
| 03:53 MST |  Overcast | -9°C / 16°F | -10°C / 14°F | 93% | 1013 mb (29.91 in) | SE 19 kph (SE 11.5 mph) | - | 7SM |
| | KHEI 221053Z AUTO 12010KT 7SM OVC003 M09/M10 A2992 RMK AO2 SLP174 T10891100 |
| 02:53 MST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1014 mb (29.94 in) | SE 17 kph (SE 10.4 mph) | - | 7SM |
| | KHEI 220953Z AUTO 13009KT 7SM OVC003 M08/M10 A2993 RMK AO2 SLP179 T10831100 |
| 02:25 MST |  Overcast | -9°C / 16°F | -10°C / 14°F | 93% | 1014 mb (29.94 in) | SE 17 kph (SE 10.4 mph) | - | 9SM |
| | KHEI 220925Z AUTO 13009KT 9SM OVC003 M09/M10 A2994 RMK AO2 |
| 01:53 MST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1014 mb (29.94 in) | SE 17 kph (SE 10.4 mph) | - | 10SM |
| | KHEI 220853Z AUTO 13009KT 10SM OVC005 M08/M10 A2993 RMK AO2 SLP179 T10831100 53003 |
| 00:53 MST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1013 mb (29.91 in) | SE 20 kph (SE 12.7 mph) | - | 9SM |
| | KHEI 220753Z AUTO 12011KT 9SM OVC005 M08/M10 A2992 RMK AO2 SLP174 T10831100 |