| 12:15 MST |  Clear | -8°C / 18°F | -17°C / 1°F | 49% | 1011 mb (29.85 in) | NNE 13 kph (NNE 8.1 mph) | - | 10SM |
| | KFNL 101915Z AUTO 02007KT 10SM CLR M08/M17 A2986 RMK AO1 |
| 11:55 MST |  Clear | -9°C / 16°F | -18°C / 0°F | 48% | 1012 mb (29.88 in) | NNE 13 kph (NNE 8.1 mph) | - | 10SM |
| | KFNL 101855Z AUTO 02007KT 10SM CLR M09/M18 A2987 RMK AO1 |
| 11:35 MST |  Clear | -10°C / 14°F | -17°C / 1°F | 57% | 1012 mb (29.88 in) | NNE 9 kph (NNE 5.8 mph) | - | 10SM |
| | KFNL 101835Z AUTO 02005KT 10SM CLR M10/M17 A2988 RMK AO1 |
| 11:15 MST |  Clear | -11°C / 12°F | -19°C / -2°F | 52% | 1012 mb (29.88 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KFNL 101815Z AUTO 35004KT 10SM CLR M11/M19 A2989 RMK AO1 |
| 10:55 MST |  Clear | -12°C / 10°F | -19°C / -2°F | 56% | 1013 mb (29.91 in) | NNE 13 kph (NNE 8.1 mph) | - | 10SM |
| | KFNL 101755Z AUTO 02007KT 10SM CLR M12/M19 A2990 RMK AO1 11120 21230 52003 |
| 10:35 MST |  Clear | -13°C / 9°F | -18°C / 0°F | 66% | 1013 mb (29.91 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KFNL 101735Z AUTO 03007KT 10SM CLR M13/M18 A2991 RMK AO1 |
| 10:15 MST |  Clear | -13°C / 9°F | -19°C / -2°F | 61% | 1013 mb (29.91 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KFNL 101715Z AUTO 01008KT 10SM CLR M13/M19 A2991 RMK AO1 |
| 09:55 MST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1013 mb (29.91 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KFNL 101655Z AUTO 36007KT 10SM CLR M14/M21 A2991 RMK AO1 |
| 09:35 MST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1013 mb (29.91 in) | NE 15 kph (NE 9.2 mph) | - | 10SM |
| | KFNL 101635Z AUTO 03008KT 10SM CLR M14/M18 A2990 RMK AO1 |
| 09:15 MST |  Clear | -16°C / 3°F | -19°C / -2°F | 78% | 1013 mb (29.91 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KFNL 101615Z AUTO 01007KT 10SM CLR M16/M19 A2991 RMK AO1 |
| 08:55 MST |  Clear | -17°C / 1°F | -23°C / -9°F | 60% | 1013 mb (29.91 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KFNL 101555Z AUTO 01005KT 10SM CLR M17/M23 A2991 RMK AO1 |
| 08:35 MST |  Clear | -18°C / 0°F | -21°C / -6°F | 78% | 1013 mb (29.91 in) | NNE 11 kph (NNE 6.9 mph) | - | 10SM |
| | KFNL 101535Z AUTO 02006KT 10SM CLR M18/M21 A2990 RMK AO1 |
| 08:15 MST |  Clear | -18°C / 0°F | -19°C / -2°F | 92% | 1013 mb (29.91 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KFNL 101515Z AUTO 36006KT 10SM CLR M18/M19 A2990 RMK AO1 |
| 07:55 MST |  Clear | -19°C / -2°F | -25°C / -13°F | 59% | 1012 mb (29.88 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KFNL 101455Z AUTO 03007KT 10SM CLR M19/M25 A2989 RMK AO1 52020 |
| 07:35 MST |  Clear | -21°C / -6°F | -22°C / -8°F | 92% | 1012 mb (29.88 in) | NNE 11 kph (NNE 6.9 mph) | - | 10SM |
| | KFNL 101435Z AUTO 02006KT 10SM CLR M21/M22 A2987 RMK AO1 |
| 07:15 MST |  Clear | -22°C / -8°F | -22°C / -8°F | 100% | 1012 mb (29.88 in) | NNE 11 kph (NNE 6.9 mph) | - | 10SM |
| | KFNL 101415Z AUTO 02006KT 10SM CLR M22/M22 A2987 RMK AO1 |
| 06:55 MST |  Clear | -22°C / -8°F | -30°C / -22°F | 48% | 1012 mb (29.88 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KFNL 101355Z AUTO 03005KT 10SM CLR M22/M30 A2987 RMK AO1 |
| 06:35 MST |  Clear | -22°C / -8°F | -22°C / -8°F | 100% | 1012 mb (29.88 in) | NNE 11 kph (NNE 6.9 mph) | - | 10SM |
| | KFNL 101335Z AUTO 02006KT 10SM CLR M22/M22 A2987 RMK AO1 |
| 06:15 MST |  Clear | -22°C / -8°F | -33°C / -27°F | 36% | 1011 mb (29.85 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KFNL 101315Z AUTO 01008KT 10SM CLR M22/M33 A2986 RMK AO1 |
| 05:55 MST |  Clear | -20°C / -4°F | -20°C / -4°F | 100% | 1011 mb (29.85 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KFNL 101255Z AUTO 06004KT 10SM CLR M20/M20 A2985 RMK AO1 |
| 05:35 MST |  Clear | -21°C / -6°F | -29°C / -20°F | 49% | 1011 mb (29.85 in) | NNE 9 kph (NNE 5.8 mph) | - | 10SM |
| | KFNL 101235Z AUTO 02005KT 10SM CLR M21/M29 A2985 RMK AO1 |
| 05:15 MST |  Clear | -16°C / 3°F | -22°C / -8°F | 60% | 1010 mb (29.83 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KFNL 101215Z AUTO 05005KT 10SM CLR M16/M22 A2984 RMK AO1 |
| 04:55 MST |  Clear | -15°C / 5°F | -19°C / -2°F | 72% | 1010 mb (29.83 in) | SE 20 kph (SE 12.7 mph) | - | 10SM |
| | KFNL 101155Z AUTO 13011KT 10SM CLR M15/M19 A2983 RMK AO1 11130 21210 52010 |
| 04:35 MST |  Clear | -17°C / 1°F | -22°C / -8°F | 65% | 1010 mb (29.83 in) | SE 20 kph (SE 12.7 mph) | - | 10SM |
| | KFNL 101135Z AUTO 12011KT 10SM CLR M17/M22 A2982 RMK AO1 |
| 04:15 MST |  Clear | -16°C / 3°F | -22°C / -8°F | 60% | 1009 mb (29.8 in) | E 30 kph (E 18.4 mph) | - | 10SM |
| | KFNL 101115Z AUTO 10016KT 10SM CLR M16/M22 A2981 RMK AO1 |
| 03:55 MST |  Clear | -14°C / 7°F | -23°C / -9°F | 47% | 1009 mb (29.8 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KFNL 101055Z AUTO 09011G18KT 10SM CLR M14/M23 A2981 RMK AO1 |
| 03:35 MST |  Clear | -13°C / 9°F | -22°C / -8°F | 47% | 1009 mb (29.8 in) | ENE 19 kph (ENE 11.5 mph) | - | 10SM |
| | KFNL 101035Z AUTO 07010KT 10SM CLR M13/M22 A2980 RMK AO1 |
| 03:15 MST |  Clear | -13°C / 9°F | -22°C / -8°F | 47% | 1009 mb (29.8 in) | ESE 15 kph (ESE 9.2 mph) | - | 10SM |
| | KFNL 101015Z AUTO 11008KT 10SM CLR M13/M22 A2980 RMK AO1 |
| 02:55 MST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1009 mb (29.8 in) | ESE 17 kph (ESE 10.4 mph) | - | 10SM |
| | KFNL 100955Z AUTO 11009KT 10SM CLR M14/M21 A2979 RMK AO1 |
| 02:35 MST |  Clear | -16°C / 3°F | -23°C / -9°F | 55% | 1009 mb (29.8 in) | SE 15 kph (SE 9.2 mph) | - | 10SM |
| | KFNL 100935Z AUTO 13008KT 10SM CLR M16/M23 A2981 RMK AO1 |
| 02:15 MST |  Clear | -15°C / 5°F | -19°C / -2°F | 72% | 1009 mb (29.8 in) | ESE 26 kph (ESE 16.1 mph) | - | 10SM |
| | KFNL 100915Z AUTO 11014KT 10SM CLR M15/M19 A2980 RMK AO1 |
| 01:55 MST |  Clear | -17°C / 1°F | -23°C / -9°F | 60% | 1009 mb (29.8 in) | ESE 26 kph (ESE 16.1 mph) | - | 10SM |
| | KFNL 100855Z AUTO 11014KT 10SM CLR M17/M23 A2980 RMK AO1 52003 |
| 01:35 MST |  Clear | -19°C / -2°F | -19°C / -2°F | 100% | 1009 mb (29.8 in) | SE 24 kph (SE 15 mph) | - | 10SM |
| | KFNL 100835Z AUTO 12013KT 10SM CLR M19/M19 A2979 RMK AO1 |
| 01:15 MST |  Clear | -19°C / -2°F | -24°C / -11°F | 65% | 1009 mb (29.8 in) | SSE 22 kph (SSE 13.8 mph) | - | 10SM |
| | KFNL 100815Z AUTO 16012KT 10SM CLR M19/M24 A2980 RMK AO1 |
| 00:55 MST |  Clear | -20°C / -4°F | -25°C / -13°F | 65% | 1009 mb (29.8 in) | SE 15 kph (SE 9.2 mph) | - | 10SM |
| | KFNL 100755Z AUTO 14008KT 10SM CLR M20/M25 A2980 RMK AO1 |
| 00:35 MST |  Clear | -19°C / -2°F | -19°C / -2°F | 100% | 1009 mb (29.8 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KFNL 100735Z AUTO 14005KT 10SM CLR M19/M19 A2979 RMK AO1 |
| 00:15 MST |  Clear | -19°C / -2°F | -29°C / -20°F | 41% | 1009 mb (29.8 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KFNL 100715Z AUTO 21005KT 10SM CLR M19/M29 A2980 RMK AO1 |