| 14:52 MST | 
Partly Cloudy | -4°C / 25°F | -14°C / 7°F | 46% | 1014 mb
(29.94 in) | W 30 kph
(W 18.4 mph) | - | 10SM |
| | KJAC 232152Z 28016G22KT 10SM SCT050 M04/M14 A2993 |
| 13:51 MST | 
Mostly Cloudy | -4°C / 25°F | -13°C / 9°F | 50% | 1013 mb
(29.91 in) | NW 15 kph
(NW 9.2 mph) | - | 10SM |
| | KJAC 232051Z 31008KT 10SM SCT020 BKN055 M04/M13 A2992 |
| 12:51 MST |
Mostly Cloudy | -3°C / 27°F | -8°C / 18°F | 69% | 1013 mb
(29.91 in) | N 6 kph
(N 3.5 mph) | - | 7SM |
| | KJAC 231951Z 01003KT 7SM BKN050 M03/M08 A2991 |
| 11:51 MST |
Mostly Cloudy | -4°C / 25°F | -7°C / 19°F | 80% | 1013 mb
(29.91 in) | N 6 kph
(N 3.5 mph) | - | 9SM |
| | KJAC 231851Z 01003KT 9SM BKN055 M04/M07 A2992 |
| 10:51 MST | 
Mostly Cloudy
Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1014 mb
(29.94 in) | N 6 kph
(N 3.5 mph) | - | 6SM |
| | KJAC 231751Z 01003KT 6SM -SN FEW013 SCT022 BKN027 M06/M08 A2994 |
| 09:51 MST |
Mostly Cloudy
Light Snow | -7°C / 19°F | -8°C / 18°F | 93% | 1013 mb
(29.91 in) | Calm | - | 6SM |
| | KJAC 231651Z 00000KT 6SM -SN FEW025 BKN035 M07/M08 A2992 |
| 08:52 MST |
Mostly Cloudy
Light Snow | -9°C / 16°F | -10°C / 14°F | 93% | 1013 mb
(29.91 in) | N 7 kph
(N 4.6 mph) | - | 6SM |
| | KJAC 231552Z 01004KT 6SM -SN BKN020 BKN030 M09/M10 A2992 |
| 08:18 MST |
Mostly Cloudy
Light Snow | -10°C / 14°F | -12°C / 10°F | 85% | 1013 mb
(29.91 in) | Calm | - | 6SM |
| | KJAC 231518Z 00000KT 6SM -SN BKN018 BKN032 M10/M12 A2991 |
| 06:51 MST |
Overcast
Light Snow | -10°C / 14°F | -11°C / 12°F | 92% | 1013 mb
(29.91 in) | Calm | - | 5SM |
| | KJAC 231351Z 00000KT 5SM -SN BKN025 OVC050 M10/M11 A2991 |
| 06:35 MST | 
Overcast | -10°C / 14°F | -11°C / 12°F | 92% | 1013 mb
(29.91 in) | Calm | - | 4SM |
| | KJAC 231335Z AUTO 00000KT 4SM BKN025 OVC035 M10/M11 A2990
RMK AO1 |
| 06:15 MST |
Overcast | -9°C / 16°F | -11°C / 12°F | 86% | 1013 mb
(29.91 in) | Calm | - | 4SM |
| | KJAC 231315Z AUTO 00000KT 4SM OVC035 M09/M11 A2990
RMK AO1 |
| 05:55 MST | 
Mostly Cloudy | -9°C / 16°F | -12°C / 10°F | 79% | 1013 mb
(29.91 in) | Calm | - | 5SM |
| | KJAC 231255Z AUTO 00000KT 5SM FEW026 SCT030 BKN040 M09/M12 A2990
RMK AO1 |
| 05:35 MST |
Overcast | -9°C / 16°F | -10°C / 14°F | 93% | 1013 mb
(29.91 in) | E 9 kph
(E 5.8 mph) | - | 9SM |
| | KJAC 231235Z AUTO 08005KT 9SM SCT028 SCT040 OVC055 M09/M10 A2990
RMK AO1 |
| 05:15 MST |
Overcast | -10°C / 14°F | -14°C / 7°F | 73% | 1012 mb
(29.88 in) | ENE 11 kph
(ENE 6.9 mph) | - | 10SM |
| | KJAC 231215Z AUTO 06006KT 10SM BKN028 BKN038 OVC055 M10/M14 A2989
RMK AO1 |
| 04:55 MST |
Overcast | -11°C / 12°F | -12°C / 10°F | 92% | 1012 mb
(29.88 in) | Calm | - | 10SM |
| | KJAC 231155Z AUTO 00000KT 10SM FEW016 BKN030 OVC055 M11/M12 A2989
RMK AO1 11060 21140 52020 |
| 04:35 MST |
Overcast | -10°C / 14°F | -12°C / 10°F | 85% | 1012 mb
(29.88 in) | NNW 6 kph
(NNW 3.5 mph) | - | 10SM |
| | KJAC 231135Z AUTO 34003KT 10SM OVC016 M10/M12 A2989
RMK AO1 |
| 04:15 MST |
Overcast | -10°C / 14°F | -12°C / 10°F | 85% | 1012 mb
(29.88 in) | Calm | - | 10SM |
| | KJAC 231115Z AUTO 00000KT 10SM OVC016 M10/M12 A2989
RMK AO1 |
| 03:55 MST |
Overcast | -10°C / 14°F | -10°C / 14°F | 100% | 1012 mb
(29.88 in) | Calm | - | 10SM |
| | KJAC 231055Z AUTO 00000KT 10SM OVC018 M10/M10 A2988
RMK AO1 |
| 03:35 MST |
Overcast | -11°C / 12°F | -14°C / 7°F | 79% | 1012 mb
(29.88 in) | Calm | - | 10SM |
| | KJAC 231035Z AUTO 00000KT 10SM BKN018 OVC027 M11/M14 A2988
RMK AO1 |
| 03:15 MST | 
Partly Cloudy | -14°C / 7°F | -16°C / 3°F | 85% | 1012 mb
(29.88 in) | N 6 kph
(N 3.5 mph) | - | 10SM |
| | KJAC 231015Z AUTO 36003KT 10SM FEW011 FEW020 SCT029 M14/M16 A2988
RMK AO1 |
| 02:55 MST |
Partly Cloudy | -13°C / 9°F | -14°C / 7°F | 92% | 1012 mb
(29.88 in) | E 13 kph
(E 8.1 mph) | - | 10SM |
| | KJAC 230955Z AUTO 08007KT 10SM FEW043 M13/M14 A2987
RMK AO1 |
| 02:35 MST | 
Clear | -12°C / 10°F | -13°C / 9°F | 92% | 1011 mb
(29.85 in) | Calm | - | 10SM |
| | KJAC 230935Z AUTO 00000KT 10SM CLR M12/M13 A2985
RMK AO1 |
| 02:15 MST |
Clear | -12°C / 10°F | -15°C / 5°F | 79% | 1010 mb
(29.83 in) | Calm | - | 10SM |
| | KJAC 230915Z AUTO 00000KT 10SM CLR M12/M15 A2984
RMK AO1 |
| 01:55 MST |
Clear | -13°C / 9°F | -14°C / 7°F | 92% | 1010 mb
(29.83 in) | Calm | - | 10SM |
| | KJAC 230855Z AUTO 00000KT 10SM CLR M13/M14 A2983
RMK AO1 52017 |
| 01:35 MST |
Clear | -10°C / 14°F | -11°C / 12°F | 92% | 1010 mb
(29.83 in) | ENE 9 kph
(ENE 5.8 mph) | - | 10SM |
| | KJAC 230835Z AUTO 07005KT 10SM CLR M10/M11 A2982
RMK AO1 |
| 01:15 MST |
Clear | -9°C / 16°F | -10°C / 14°F | 93% | 1009 mb
(29.8 in) | N 9 kph
(N 5.8 mph) | - | 10SM |
| | KJAC 230815Z AUTO 36005KT 10SM CLR M09/M10 A2981
RMK AO1 |
| 00:55 MST |
Clear | -10°C / 14°F | -12°C / 10°F | 85% | 1009 mb
(29.8 in) | Calm | - | 10SM |
| | KJAC 230755Z AUTO 00000KT 10SM CLR M10/M12 A2981
RMK AO1 |
| 00:35 MST |
Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1009 mb
(29.8 in) | NNE 6 kph
(NNE 3.5 mph) | - | 10SM |
| | KJAC 230735Z AUTO 02003KT 10SM CLR M09/M11 A2981
RMK AO1 |
| 00:15 MST |
Clear | -8°C / 18°F | -9°C / 16°F | 93% | 1009 mb
(29.8 in) | N 7 kph
(N 4.6 mph) | - | 10SM |
| | KJAC 230715Z AUTO 36004KT 10SM CLR M08/M09 A2980
RMK AO1 |
