| 19:56 MST | 
Mostly Cloudy | -3°C / 27°F | -6°C / 21°F | 80% | 1012 mb
(29.88 in) | N 6 kph
(N 3.5 mph) | - | 10SM |
| | KJAC 280256Z 01003KT 10SM BKN120 M03/M06 A2989 |
| 18:53 MST | 
Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1012 mb
(29.88 in) | NNE 6 kph
(NNE 3.5 mph) | - | 10SM |
| | KJAC 280153Z 02003KT 10SM SKC M02/M06 A2989 |
| 15:51 MST | 
Clear | 4°C / 39°F | -7°C / 19°F | 45% | 1013 mb
(29.91 in) | Calm | - | 10SM |
| | KJAC 272251Z 00000KT 10SM SKC 04/M07 A2991 |
| 14:52 MST |
Clear | 2°C / 36°F | -6°C / 21°F | 56% | 1013 mb
(29.91 in) | Calm | - | 10SM |
| | KJAC 272152Z 00000KT 10SM SKC 02/M06 A2991 |
| 13:51 MST |
Clear | 1°C / 34°F | -7°C / 19°F | 56% | 1013 mb
(29.91 in) | Calm | - | 10SM |
| | KJAC 272051Z 00000KT 10SM SKC 01/M07 A2992 |
| 12:55 MST |
Clear | -1°C / 30°F | -7°C / 19°F | 64% | 1014 mb
(29.94 in) | Calm | - | 10SM |
| | KJAC 271955Z 00000KT 10SM SKC M01/M07 A2994 |
| 11:58 MST |
Clear | -3°C / 27°F | -7°C / 19°F | 74% | 1015 mb
(29.97 in) | Calm | - | 10SM |
| | KJAC 271858Z 00000KT 10SM SKC M03/M07 A2997 |
| 10:53 MST |
Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1016 mb
(30 in) | Calm | - | 10SM |
| | KJAC 271753Z 00000KT 10SM SKC M06/M07 A3001 |
| 09:54 MST |
Clear | -8°C / 18°F | -11°C / 12°F | 79% | 1016 mb
(30 in) | Calm | - | 10SM |
| | KJAC 271654Z 00000KT 10SM SKC M08/M11 A3001 |
| 08:51 MST |
Clear | -12°C / 10°F | -14°C / 7°F | 85% | 1017 mb
(30.03 in) | Calm | - | 10SM |
| | KJAC 271551Z 00000KT 10SM CLR M12/M14 A3003 |
| 07:58 MST |
Clear | -12°C / 10°F | -14°C / 7°F | 85% | 1017 mb
(30.03 in) | Calm | - | 10SM |
| | KJAC 271458Z 00000KT 10SM CLR M12/M14 A3004 |
| 06:51 MST | 
Partly Cloudy | -13°C / 9°F | -15°C / 5°F | 85% | 1018 mb
(30.06 in) | Calm | - | 10SM |
| | KJAC 271351Z 00000KT 10SM FEW002 M13/M15 A3005 |
| 06:35 MST |
Mostly Cloudy | -14°C / 7°F | -16°C / 3°F | 85% | 1018 mb
(30.06 in) | Calm | - | 2 1/2SM |
| | KJAC 271335Z AUTO 00000KT 2 1/2SM BKN002 M14/M16 A3005
RMK AO1 |
| 06:15 MST |
Partly Cloudy | -13°C / 9°F | -15°C / 5°F | 85% | 1018 mb
(30.06 in) | Calm | - | 4SM |
| | KJAC 271315Z AUTO 00000KT 4SM FEW002 M13/M15 A3006
RMK AO1 |
| 05:55 MST |
Mostly Cloudy | -12°C / 10°F | -14°C / 7°F | 85% | 1018 mb
(30.06 in) | N 6 kph
(N 3.5 mph) | - | 10SM |
| | KJAC 271255Z AUTO 01003KT 10SM BKN002 M12/M14 A3006
RMK AO1 |
| 05:35 MST | 
Overcast | -13°C / 9°F | -15°C / 5°F | 85% | 1018 mb
(30.06 in) | Calm | - | 3SM |
| | KJAC 271235Z AUTO 00000KT 3SM OVC002 M13/M15 A3006
RMK AO1 |
| 05:15 MST |
Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1018 mb
(30.06 in) | Calm | - | 1/4SM |
| | KJAC 271215Z AUTO 00000KT 1/4SM OVC001 M12/M14 A3006
RMK AO1 |
| 04:55 MST |
Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1018 mb
(30.06 in) | Calm | - | 1/4SM |
| | KJAC 271155Z AUTO 00000KT 1/4SM OVC001 M12/M14 A3007
RMK AO1 11110 21140 57010 |
| 04:35 MST |
Overcast | -14°C / 7°F | -16°C / 3°F | 85% | 1018 mb
(30.06 in) | Calm | - | 5SM |
| | KJAC 271135Z AUTO 00000KT 5SM OVC002 M14/M16 A3007
RMK AO1 |
| 04:15 MST |
Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1018 mb
(30.06 in) | NE 7 kph
(NE 4.6 mph) | - | 1SM |
| | KJAC 271115Z AUTO 04004KT 1SM OVC002 M12/M13 A3007
RMK AO1 |
| 03:55 MST |
Overcast | -13°C / 9°F | -14°C / 7°F | 92% | 1019 mb
(30.09 in) | NE 7 kph
(NE 4.6 mph) | - | 9SM |
| | KJAC 271055Z AUTO 05004KT 9SM OVC002 M13/M14 A3008
RMK AO1 |
| 03:35 MST |
Partly Cloudy | -14°C / 7°F | -17°C / 1°F | 78% | 1019 mb
(30.09 in) | ENE 6 kph
(ENE 3.5 mph) | - | 10SM |
| | KJAC 271035Z AUTO 06003KT 10SM SCT002 M14/M17 A3009
RMK AO1 |
| 03:15 MST |
Partly Cloudy | -13°C / 9°F | -17°C / 1°F | 72% | 1019 mb
(30.09 in) | NE 6 kph
(NE 3.5 mph) | - | 10SM |
| | KJAC 271015Z AUTO 05003KT 10SM FEW002 M13/M17 A3009
RMK AO1 |
| 02:55 MST |
Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1019 mb
(30.09 in) | NNE 7 kph
(NNE 4.6 mph) | - | 10SM |
| | KJAC 270955Z AUTO 02004KT 10SM CLR M12/M15 A3010
RMK AO1 |
| 02:35 MST |
Partly Cloudy | -12°C / 10°F | -13°C / 9°F | 92% | 1019 mb
(30.09 in) | NE 9 kph
(NE 5.8 mph) | - | 10SM |
| | KJAC 270935Z AUTO 04005KT 10SM FEW002 M12/M13 A3010
RMK AO1 |
| 02:15 MST |
Clear | -12°C / 10°F | -14°C / 7°F | 85% | 1019 mb
(30.09 in) | NE 9 kph
(NE 5.8 mph) | - | 10SM |
| | KJAC 270915Z AUTO 05005KT 10SM CLR M12/M14 A3010
RMK AO1 |
| 01:55 MST |
Mostly Cloudy | -12°C / 10°F | -14°C / 7°F | 85% | 1019 mb
(30.09 in) | N 11 kph
(N 6.9 mph) | - | 10SM |
| | KJAC 270855Z AUTO 01006KT 10SM BKN002 M12/M14 A3010
RMK AO1 57014 |
| 01:35 MST |
Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1020 mb
(30.12 in) | N 9 kph
(N 5.8 mph) | - | 3/4SM |
| | KJAC 270835Z AUTO 36005KT 3/4SM OVC002 M11/M13 A3011
RMK AO1 |
| 01:15 MST |
Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1020 mb
(30.12 in) | N 11 kph
(N 6.9 mph) | - | 1 1/4SM |
| | KJAC 270815Z AUTO 36006KT 1 1/4SM OVC002 M11/M13 A3011
RMK AO1 |
| 00:55 MST |
Overcast | -12°C / 10°F | -13°C / 9°F | 92% | 1020 mb
(30.12 in) | NE 6 kph
(NE 3.5 mph) | - | 10SM |
| | KJAC 270755Z AUTO 03003KT 10SM OVC002 M12/M13 A3012
RMK AO1 |
| 00:35 MST |
Mostly Cloudy | -12°C / 10°F | -13°C / 9°F | 92% | 1020 mb
(30.12 in) | N 7 kph
(N 4.6 mph) | - | 10SM |
| | KJAC 270735Z AUTO 01004KT 10SM BKN002 M12/M13 A3012
RMK AO1 |
| 00:15 MST |
Partly Cloudy | -12°C / 10°F | -13°C / 9°F | 92% | 1020 mb
(30.12 in) | Calm | - | 10SM |
| | KJAC 270715Z AUTO 00000KT 10SM SCT001 M12/M13 A3012
RMK AO1 |
