| 08:53 MST | 
Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1022 mb
(30.18 in) | Calm | - | 10SM |
| | KBIL 251553Z 00000KT 10SM OVC033 M13/M16 A3019
RMK AO2 SLP298 T11281161 |
| 08:36 MST |
Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1022 mb
(30.18 in) | Calm | - | 10SM |
| | KBIL 251536Z 00000KT 10SM SCT024 OVC033 M13/M16 A3019
RMK AO2 |
| 08:13 MST |
Overcast | -14°C / 7°F | -17°C / 1°F | 78% | 1022 mb
(30.18 in) | Calm | - | 10SM |
| | KBIL 251513Z 00000KT 10SM BKN024 OVC033 M14/M17 A3018
RMK AO2 |
| 07:53 MST |
Overcast | -14°C / 7°F | -18°C / 0°F | 72% | 1022 mb
(30.18 in) | Calm | - | 10SM |
| | KBIL 251453Z 00000KT 10SM OVC035 M14/M18 A3017
RMK AO2 SLP294 T11441178 51012 |
| 06:53 MST | 
Mostly Cloudy | -16°C / 3°F | -18°C / 0°F | 85% | 1021 mb
(30.15 in) | NW 6 kph
(NW 3.5 mph) | - | 10SM |
| | KBIL 251353Z 31003KT 10SM FEW029 BKN038 M16/M18 A3016
RMK AO2 SLP288 T11561183 |
| 05:53 MST |
Mostly Cloudy | -18°C / 0°F | -21°C / -6°F | 78% | 1021 mb
(30.15 in) | Calm | - | 10SM |
| | KBIL 251253Z 00000KT 10SM FEW032 BKN110 M18/M21 A3015
RMK AO2 SLP291 T11831206 |
| 04:53 MST |
Overcast | -13°C / 9°F | -17°C / 1°F | 72% | 1020 mb
(30.12 in) | SW 11 kph
(SW 6.9 mph) | - | 10SM |
| | KBIL 251153Z 22006KT 10SM OVC032 M13/M17 A3013
RMK AO2 SLP277 4/005 T11331172 11133 21189 58001 |
| 03:53 MST | 
Partly Cloudy | -17°C / 1°F | -20°C / -4°F | 78% | 1020 mb
(30.12 in) | Calm | - | 10SM |
| | KBIL 251053Z 00000KT 10SM FEW022 SCT036 M17/M20 A3013
RMK AO2 SLP281 T11721200 |
| 02:53 MST |
Overcast | -17°C / 1°F | -19°C / -2°F | 85% | 1021 mb
(30.15 in) | NW 7 kph
(NW 4.6 mph) | - | 10SM |
| | KBIL 250953Z 31004KT 10SM OVC036 M17/M19 A3015
RMK AO2 SLP283 T11671189 |
| 01:53 MST |
Overcast | -16°C / 3°F | -18°C / 0°F | 85% | 1020 mb
(30.12 in) | N 7 kph
(N 4.6 mph) | - | 10SM |
| | KBIL 250853Z 36004KT 10SM OVC042 M16/M18 A3013
RMK AO2 SLP276 T11561178 58001 |
| 00:53 MST |
Mostly Cloudy | -16°C / 3°F | -18°C / 0°F | 85% | 1020 mb
(30.12 in) | N 7 kph
(N 4.6 mph) | - | 10SM |
| | KBIL 250753Z 36004KT 10SM BKN050 M16/M18 A3013
RMK AO2 SLP275 T11611183 |
