| 09:56 MST |  Overcast | -2°C / 28°F | -20°C / -4°F | 24% | 1013 mb (29.91 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KFLG 051656Z 23009KT 10SM BKN120 OVC200 M02/M20 A2990 RMK AO2 SLP142 T10171200 |
| 08:56 MST |  Overcast | -3°C / 27°F | -21°C / -6°F | 24% | 1013 mb (29.91 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KFLG 051556Z 25007KT 10SM SCT100 OVC180 M03/M21 A2991 RMK AO2 SLP144 T10281206 |
| 07:56 MST |  Clear | -8°C / 18°F | -16°C / 3°F | 53% | 1013 mb (29.91 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KFLG 051456Z 25004KT 10SM CLR M08/M16 A2992 RMK AO2 SLP158 T10781156 57011 |
| 06:56 MST |  Mostly Cloudy | -11°C / 12°F | -20°C / -4°F | 48% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KFLG 051356Z 00000KT 10SM BKN180 M11/M20 A2993 RMK AO2 SLP162 T11061200 |
| 05:56 MST |  Clear | -10°C / 14°F | -19°C / -2°F | 48% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KFLG 051256Z AUTO 00000KT 10SM CLR M10/M19 A2995 RMK AO2 SLP165 T11001189 TSNO |
| 04:56 MST |  Clear | -9°C / 16°F | -20°C / -4°F | 41% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KFLG 051156Z AUTO 00000KT 10SM CLR M09/M20 A2996 RMK AO2 SLP156 T10941200 11067 21106 58019 TSNO |
| 03:56 MST |  Clear | -8°C / 18°F | -20°C / -4°F | 38% | 1016 mb (30 in) | Calm | - | 10SM |
| | KFLG 051056Z AUTO 00000KT 10SM CLR M08/M20 A2999 RMK AO2 SLP151 T10781200 TSNO |
| 02:56 MST |  Clear | -9°C / 16°F | -19°C / -2°F | 45% | 1017 mb (30.03 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KFLG 050956Z AUTO VRB03KT 10SM CLR M09/M19 A3002 RMK AO2 SLP165 T10891189 TSNO |
| 01:56 MST |  Clear | -9°C / 16°F | -19°C / -2°F | 45% | 1017 mb (30.03 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KFLG 050856Z AUTO 25003KT 10SM CLR M09/M19 A3003 RMK AO2 SLP174 T10941194 58015 TSNO |
| 00:56 MST |  Clear | -9°C / 16°F | -19°C / -2°F | 45% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KFLG 050756Z AUTO 00000KT 10SM CLR M09/M19 A3005 RMK AO2 SLP188 T10941189 TSNO |