| 17:53 MST |  Overcast Hazy | -16°C / 3°F | -19°C / -2°F | 78% | 1012 mb (29.88 in) | SSE 17 kph (SSE 10.4 mph) | 0.00 mm (0.00 in) | 6SM |
| | KGCC 080053Z AUTO 15009KT 6SM HZ BKN035 OVC047 M16/M19 A2987 RMK AO2 SNB16E27 SLP225 P0000 T11561189 |
| 16:53 MST |  Overcast | -15°C / 5°F | -19°C / -2°F | 72% | 1012 mb (29.88 in) | SE 19 kph (SE 11.5 mph) | - | 8SM |
| | KGCC 072353Z AUTO 14010KT 8SM OVC035 M15/M19 A2989 RMK AO2 SLP224 60000 T11501189 11144 21172 56007 |
| 15:53 MST |  Overcast | -15°C / 5°F | -19°C / -2°F | 72% | 1012 mb (29.88 in) | SE 19 kph (SE 11.5 mph) | 0.00 mm (0.00 in) | 7SM |
| | KGCC 072253Z AUTO 13010KT 7SM OVC035 M15/M19 A2989 RMK AO2 SNE12 SLP226 P0000 T11501189 |
| 15:16 MST |  Overcast Hazy | -14°C / 7°F | -18°C / 0°F | 72% | 1013 mb (29.91 in) | SE 17 kph (SE 10.4 mph) | 0.00 mm (0.00 in) | 4SM |
| | KGCC 072216Z AUTO 14009KT 4SM HZ FEW024 OVC033 M14/M18 A2990 RMK AO2 SNE12 P0000 |
| 15:08 MST |  Overcast Light Snow | -14°C / 7°F | -18°C / 0°F | 72% | 1013 mb (29.91 in) | SE 17 kph (SE 10.4 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KGCC 072208Z AUTO 14009KT 2 1/2SM -SN FEW016 SCT027 OVC033 M14/M18 A2990 RMK AO2 P0000 |
| 14:53 MST |  Overcast Light Snow | -14°C / 7°F | -18°C / 0°F | 72% | 1013 mb (29.91 in) | SE 19 kph (SE 11.5 mph) | 0.00 mm (0.00 in) | 2SM |
| | KGCC 072153Z AUTO 13010KT 2SM -SN SCT014 BKN025 OVC035 M14/M18 A2991 RMK AO2 SNB24 SLP223 P0000 T11441183 |
| 14:47 MST |  Overcast Light Snow | -14°C / 7°F | -18°C / 0°F | 72% | 1013 mb (29.91 in) | SSE 17 kph (SSE 10.4 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KGCC 072147Z AUTO 15009KT 2 1/2SM -SN SCT014 BKN027 OVC035 M14/M18 A2990 RMK AO2 SNB24 P0000 |
| 14:39 MST |  Overcast Hazy | -14°C / 7°F | -18°C / 0°F | 72% | 1013 mb (29.91 in) | SSE 19 kph (SSE 11.5 mph) | 0.00 mm (0.00 in) | 3SM |
| | KGCC 072139Z AUTO 16010KT 3SM HZ SCT014 OVC035 M14/M18 A2990 RMK AO2 SNB24E39 P0000 |
| 14:35 MST |  Overcast Light Snow | -14°C / 7°F | -18°C / 0°F | 72% | 1013 mb (29.91 in) | SE 15 kph (SE 9.2 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGCC 072135Z AUTO 13008KT 1 3/4SM -SN SCT012 BKN019 OVC033 M14/M18 A2990 RMK AO2 SNB24 P0000 |
| 14:27 MST |  Overcast Light Snow | -14°C / 7°F | -18°C / 0°F | 72% | 1013 mb (29.91 in) | SE 15 kph (SE 9.2 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGCC 072127Z AUTO 14008KT 1 3/4SM -SN SCT012 SCT021 OVC033 M14/M18 A2990 RMK AO2 SNB24 P0000 |
| 13:53 MST |  Overcast Hazy | -15°C / 5°F | -19°C / -2°F | 72% | 1013 mb (29.91 in) | SE 13 kph (SE 8.1 mph) | 0.00 mm (0.00 in) | 4SM |
| | KGCC 072053Z AUTO 14007KT 4SM HZ OVC033 M15/M19 A2991 RMK AO2 SNB38E52 SLP219 P0000 60000 T11501189 56029 |
| 12:53 MST |  Overcast | -16°C / 3°F | -19°C / -2°F | 78% | 1014 mb (29.94 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KGCC 071953Z AUTO 17005KT 10SM SCT021 OVC035 M16/M19 A2994 RMK AO2 SLP232 T11561194 |
| 12:39 MST |  Mostly Cloudy | -16°C / 3°F | -19°C / -2°F | 78% | 1014 mb (29.94 in) | Calm | - | 9SM |
| | KGCC 071939Z AUTO 00000KT 9SM BKN021 BKN035 M16/M19 A2995 RMK AO2 |
| 11:53 MST |  Clear | -17°C / 1°F | -21°C / -6°F | 71% | 1015 mb (29.97 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KGCC 071853Z AUTO 09005KT 10SM CLR M17/M21 A2998 RMK AO2 SLP250 T11671206 |
| 11:13 MST |  Partly Cloudy | -17°C / 1°F | -21°C / -6°F | 71% | 1016 mb (30 in) | Calm | - | 10SM |
| | KGCC 071813Z AUTO 00000KT 10SM FEW007 M17/M21 A3000 RMK AO2 |
| 10:53 MST |  Mostly Cloudy Hazy | -17°C / 1°F | -20°C / -4°F | 78% | 1016 mb (30 in) | Calm | - | 6SM |
| | KGCC 071753Z AUTO 00000KT 6SM HZ BKN005 BKN008 M17/M20 A3001 RMK AO2 SLP262 T11721200 11172 21283 58016 |
| 10:29 MST |  Overcast Hazy | -18°C / 0°F | -21°C / -6°F | 78% | 1017 mb (30.03 in) | Calm | - | 4SM |
| | KGCC 071729Z AUTO 00000KT 4SM HZ BKN005 BKN009 OVC021 M18/M21 A3003 RMK AO2 |
| 10:22 MST |  Overcast Hazy | -18°C / 0°F | -21°C / -6°F | 78% | 1017 mb (30.03 in) | Calm | - | 5SM |
| | KGCC 071722Z AUTO 00000KT 5SM HZ SCT005 BKN009 OVC021 M18/M21 A3003 RMK AO2 |
| 10:01 MST |  Mostly Cloudy Fog And Mist | -18°C / 0°F | -20°C / -4°F | 84% | 1017 mb (30.03 in) | Calm | - | 4SM |
| | KGCC 071701Z AUTO 00000KT 4SM BR SCT007 BKN011 BKN021 M18/M20 A3004 RMK AO2 |
| 09:53 MST |  Mostly Cloudy Fog And Mist | -19°C / -2°F | -21°C / -6°F | 84% | 1017 mb (30.03 in) | Calm | - | 5SM |
| | KGCC 071653Z AUTO 00000KT 5SM BR FEW005 SCT011 BKN021 M19/M21 A3004 RMK AO2 SLP270 T11891206 |
| 09:51 MST |  Mostly Cloudy Fog And Mist | -19°C / -2°F | -21°C / -6°F | 84% | 1017 mb (30.03 in) | Calm | - | 5SM |
| | KGCC 071651Z AUTO 00000KT 5SM BR FEW005 SCT011 BKN021 M19/M21 A3004 RMK AO2 |
| 09:19 MST |  Clear Fog And Mist | -21°C / -6°F | -23°C / -9°F | 84% | 1018 mb (30.06 in) | Calm | - | 3SM |
| | KGCC 071619Z AUTO 00000KT 3SM BR CLR M21/M23 A3005 RMK AO2 |
| 09:09 MST |  Clear Fog And Mist | -22°C / -8°F | -23°C / -9°F | 92% | 1018 mb (30.06 in) | Calm | - | 2 1/2SM |
| | KGCC 071609Z AUTO 00000KT 2 1/2SM BR CLR M22/M23 A3005 RMK AO2 |
| 08:53 MST |  Partly Cloudy | -22°C / -8°F | -24°C / -11°F | 84% | 1018 mb (30.06 in) | Calm | - | 9SM |
| | KGCC 071553Z AUTO 00000KT 9SM FEW003 M22/M24 A3005 RMK AO2 SLP279 T12221239 |
| 08:45 MST |  Partly Cloudy | -23°C / -9°F | -24°C / -11°F | 92% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KGCC 071545Z AUTO 00000KT 10SM SCT005 M23/M24 A3005 RMK AO2 |
| 08:22 MST |  Mostly Cloudy | -24°C / -11°F | -27°C / -17°F | 76% | 1018 mb (30.06 in) | S 7 kph (S 4.6 mph) | - | 7SM |
| | KGCC 071522Z AUTO 17004KT 7SM BKN007 M24/M27 A3006 RMK AO2 |
| 08:13 MST |  Partly Cloudy | -24°C / -11°F | -27°C / -17°F | 76% | 1018 mb (30.06 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KGCC 071513Z AUTO 17004KT 10SM SCT009 M24/M27 A3006 RMK AO2 |
| 07:53 MST |  Clear | -25°C / -13°F | -28°C / -18°F | 76% | 1018 mb (30.06 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KGCC 071453Z AUTO 19005KT 10SM CLR M25/M28 A3006 RMK AO2 SLP290 T12501283 58006 |
| 06:53 MST |  Clear | -27°C / -17°F | -31°C / -24°F | 69% | 1018 mb (30.06 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KGCC 071353Z AUTO 19003KT 10SM CLR M27/M31 A3007 RMK AO2 SLP295 T12721306 |
| 05:53 MST |  Clear | -28°C / -18°F | -31°C / -24°F | 75% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KGCC 071253Z AUTO 00000KT 10SM CLR M28/M31 A3008 RMK AO2 SLP300 T12831311 |
| 04:53 MST |  Clear | -26°C / -15°F | -29°C / -20°F | 76% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KGCC 071153Z AUTO 00000KT 10SM CLR M26/M29 A3008 RMK AO2 SLP295 60000 70004 T12561289 11194 21261 58001 |
| 03:53 MST |  Clear | -26°C / -15°F | -29°C / -20°F | 76% | 1019 mb (30.09 in) | Calm | - | 9SM |
| | KGCC 071053Z AUTO 00000KT 9SM CLR M26/M29 A3009 RMK AO2 SLP299 T12611289 |
| 02:53 MST |  Partly Cloudy | -23°C / -9°F | -26°C / -15°F | 77% | 1019 mb (30.09 in) | Calm | - | 7SM |
| | KGCC 070953Z AUTO 00000KT 7SM FEW026 M23/M26 A3008 RMK AO2 SLP287 T12331261 |
| 02:43 MST |  Partly Cloudy | -22°C / -8°F | -25°C / -13°F | 77% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KGCC 070943Z AUTO 00000KT 10SM SCT028 M22/M25 A3008 RMK AO2 |
| 02:33 MST |  Mostly Cloudy | -22°C / -8°F | -24°C / -11°F | 84% | 1019 mb (30.09 in) | Calm | - | 7SM |
| | KGCC 070933Z AUTO 00000KT 7SM BKN028 M22/M24 A3008 RMK AO2 |
| 02:02 MST |  Overcast Hazy | -20°C / -4°F | -23°C / -9°F | 77% | 1019 mb (30.09 in) | Calm | - | 6SM |
| | KGCC 070902Z AUTO 00000KT 6SM HZ OVC030 M20/M23 A3008 RMK AO2 |
| 01:53 MST |  Overcast Hazy | -19°C / -2°F | -23°C / -9°F | 71% | 1019 mb (30.09 in) | Calm | 0.00 mm (0.00 in) | 5SM |
| | KGCC 070853Z AUTO 00000KT 5SM HZ BKN028 OVC040 M19/M23 A3009 RMK AO2 SNB02E22 SLP281 P0000 60000 T11941228 55010 |
| 01:51 MST |  Overcast Hazy | -20°C / -4°F | -23°C / -9°F | 77% | 1019 mb (30.09 in) | Calm | 0.00 mm (0.00 in) | 5SM |
| | KGCC 070851Z AUTO 00000KT 5SM HZ BKN028 OVC040 M20/M23 A3008 RMK AO2 SNB02E22 P0000 |
| 01:28 MST |  Overcast | -20°C / -4°F | -23°C / -9°F | 77% | 1019 mb (30.09 in) | Calm | 0.00 mm (0.00 in) | 9SM |
| | KGCC 070828Z AUTO 00000KT 9SM BKN030 OVC044 M20/M23 A3009 RMK AO2 SNB02E22 P0000 |
| 01:11 MST |  Overcast Light Snow | -21°C / -6°F | -23°C / -9°F | 84% | 1019 mb (30.09 in) | Calm | 0.00 mm (0.00 in) | 3SM |
| | KGCC 070811Z AUTO 00000KT 3SM -SN BKN024 OVC040 M21/M23 A3009 RMK AO2 SNB02 P0000 |
| 00:53 MST |  Mostly Cloudy | -21°C / -6°F | -23°C / -9°F | 84% | 1019 mb (30.09 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KGCC 070753Z AUTO 29004KT 10SM BKN043 BKN055 M21/M23 A3010 RMK AO2 SLP287 T12061233 |