| 12:56 MST |  Fair | -21°C / -6°F | -25°C / -13°F | 70% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KGFA 071956Z AUTO 00000KT 10SM M21/M25 A3007 RMK AO2 SLP323 T12061250 $ |
| 11:56 MST |  Partly Cloudy | -22°C / -8°F | -26°C / -15°F | 70% | 1019 mb (30.09 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KGFA 071856Z AUTO 21003KT 10SM FEW004 M22/M26 A3010 RMK AO2 SLP333 T12171261 $ |
| 11:48 MST |  Partly Cloudy | -22°C / -8°F | -27°C / -17°F | 64% | 1020 mb (30.12 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KGFA 071848Z AUTO 20004KT 10SM SCT004 SCT024 M22/M27 A3011 RMK AO2 $ |
| 11:34 MST |  Overcast Hazy | -22°C / -8°F | -27°C / -17°F | 64% | 1020 mb (30.12 in) | SSE 7 kph (SSE 4.6 mph) | - | 5SM |
| | KGFA 071834Z AUTO 20004KT 5SM HZ BKN004 OVC024 M22/M27 A3012 RMK AO2 $ |
| 11:27 MST |  Overcast Hazy | -22°C / -8°F | -27°C / -17°F | 64% | 1020 mb (30.12 in) | SSE 9 kph (SSE 5.8 mph) | - | 2 1/2SM |
| | KGFA 071827Z AUTO 20005KT 2 1/2SM HZ OVC004 M22/M27 A3012 RMK AO2 $ |
| 11:04 MST |  Overcast Hazy | -23°C / -9°F | -28°C / -18°F | 64% | 1020 mb (30.12 in) | SSE 9 kph (SSE 5.8 mph) | - | 1 1/4SM |
| | KGFA 071804Z AUTO 20005KT 1 1/4SM HZ BKN004 OVC025 M23/M28 A3012 RMK AO2 $ |
| 10:56 MST |  Overcast Hazy | -23°C / -9°F | -28°C / -18°F | 64% | 1020 mb (30.12 in) | S 7 kph (S 4.6 mph) | - | 2SM |
| | KGFA 071756Z AUTO 19004KT 2SM HZ BKN004 OVC025 M23/M28 A3013 RMK AO2 SLP350 60000 T12331278 11228 21283 58015 $ |
| 10:28 MST |  Mostly Cloudy | -24°C / -11°F | -29°C / -20°F | 63% | 1021 mb (30.15 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KGFA 071728Z AUTO 20005KT 10SM FEW001 BKN027 M24/M29 A3014 RMK AO2 $ |
| 10:07 MST |  Partly Cloudy | -24°C / -11°F | -28°C / -18°F | 70% | 1021 mb (30.15 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KGFA 071707Z AUTO 22004KT 10SM FEW001 SCT014 M24/M28 A3015 RMK AO2 $ |
| 09:56 MST |  Mostly Cloudy | -24°C / -11°F | -29°C / -20°F | 63% | 1021 mb (30.15 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KGFA 071656Z AUTO 21005KT 10SM FEW001 BKN014 M24/M29 A3016 RMK AO2 SLP354 T12441289 $ |
| 09:49 MST |  Overcast Hazy | -24°C / -11°F | -29°C / -20°F | 63% | 1021 mb (30.15 in) | SW 11 kph (SW 6.9 mph) | - | 3SM |
| | KGFA 071649Z AUTO 21006KT 3SM HZ SCT001 OVC014 M24/M29 A3016 RMK AO2 $ |
| 09:47 MST |  Overcast Hazy | -24°C / -11°F | -29°C / -20°F | 63% | 1021 mb (30.15 in) | SW 11 kph (SW 6.9 mph) | - | 1 3/4SM |
| | KGFA 071647Z AUTO 21006KT 1 3/4SM HZ FEW001 OVC014 M24/M29 A3016 RMK AO2 $ |
| 09:38 MST |  Overcast Hazy | -24°C / -11°F | -29°C / -20°F | 63% | 1021 mb (30.15 in) | SW 13 kph (SW 8.1 mph) | - | 1 3/4SM |
| | KGFA 071638Z AUTO 21007KT 1 3/4SM HZ OVC014 M24/M29 A3016 RMK AO2 VIS 3/4V5 $ |
| 09:27 MST |  Mostly Cloudy | -25°C / -13°F | -29°C / -20°F | 69% | 1022 mb (30.18 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KGFA 071627Z AUTO 21004KT 10SM BKN014 M25/M29 A3017 RMK AO2 $ |
| 08:56 MST |  Clear | -27°C / -17°F | -32°C / -26°F | 63% | 1022 mb (30.18 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KGFA 071556Z AUTO 21005KT 10SM CLR M27/M32 A3017 RMK AO2 SLP365 T12721317 $ |
| 08:10 MST |  Partly Cloudy | -25°C / -13°F | -30°C / -22°F | 63% | 1022 mb (30.18 in) | SW 6 kph (SW 3.5 mph) | - | 7SM |
| | KGFA 071510Z AUTO 21003KT 7SM FEW015 M25/M30 A3017 RMK AO2 $ |
| 07:56 MST |  Mostly Cloudy Hazy | -23°C / -9°F | -28°C / -18°F | 64% | 1022 mb (30.18 in) | SSW 6 kph (SSW 3.5 mph) | - | 4SM |
| | KGFA 071456Z AUTO 25003KT 4SM HZ FEW008 BKN015 BKN022 M23/M28 A3018 RMK AO2 SLP358 60000 T12331283 56010 $ |
| 07:06 MST |  Clear Hazy | -26°C / -15°F | -30°C / -22°F | 69% | 1022 mb (30.18 in) | SSE 9 kph (SSE 5.8 mph) | - | 3SM |
| | KGFA 071406Z AUTO 20005KT 3SM HZ CLR M26/M30 A3019 RMK AO2 $ |
| 06:53 MST |  Clear Hazy | -25°C / -13°F | -30°C / -22°F | 63% | 1022 mb (30.18 in) | SW 9 kph (SW 5.8 mph) | - | 1 3/4SM |
| | KGFA 071353Z AUTO 21005KT 1 3/4SM HZ CLR M25/M30 A3019 RMK AO2 SLP364 T12501300 $ |
| 05:56 MST |  Partly Cloudy | -23°C / -9°F | -28°C / -18°F | 64% | 1023 mb (30.21 in) | SW 6 kph (SW 3.5 mph) | 0.00 mm (0.00 in) | 7SM |
| | KGFA 071256Z AUTO 22003KT 7SM FEW018 M23/M28 A3020 RMK AO2 SNE01 SLP363 P0000 T12331278 $ |
| 05:30 MST |  Overcast Hazy | -23°C / -9°F | -28°C / -18°F | 64% | 1023 mb (30.21 in) | SW 7 kph (SW 4.6 mph) | 0.00 mm (0.00 in) | 6SM |
| | KGFA 071230Z AUTO 22004KT 6SM HZ SCT020 OVC032 M23/M28 A3020 RMK AO2 SNE01 P0000 $ |
| 05:22 MST |  Overcast | -24°C / -11°F | -29°C / -20°F | 63% | 1023 mb (30.21 in) | SW 7 kph (SW 4.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGFA 071222Z AUTO 21004KT 10SM BKN018 OVC034 M24/M29 A3020 RMK AO2 SNE01 P0000 $ |
| 05:09 MST |  Overcast | -24°C / -11°F | -28°C / -18°F | 70% | 1023 mb (30.21 in) | SSW 6 kph (SSW 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGFA 071209Z AUTO 25003KT 10SM BKN012 BKN036 OVC045 M24/M28 A3021 RMK AO2 SNE01 P0000 $ |
| 04:56 MST |  Overcast Light Snow | -23°C / -9°F | -28°C / -18°F | 64% | 1023 mb (30.21 in) | Calm | 0.00 mm (0.00 in) | 4SM |
| | KGFA 071156Z AUTO 00000KT 4SM -SN OVC016 M23/M28 A3021 RMK AO2 SNB41 SLP368 P0000 60000 T12331283 11200 21250 58014 $ |
| 04:47 MST |  Overcast Light Snow | -23°C / -9°F | -28°C / -18°F | 64% | 1023 mb (30.21 in) | SSW 6 kph (SSW 3.5 mph) | 0.00 mm (0.00 in) | 5SM |
| | KGFA 071147Z AUTO 26003KT 5SM -SN BKN022 BKN033 OVC050 M23/M28 A3021 RMK AO2 SNB41 P0000 $ |
| 03:56 MST |  Clear | -23°C / -9°F | -28°C / -18°F | 64% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KGFA 071056Z AUTO 00000KT 10SM CLR M23/M28 A3023 RMK AO2 SLP372 T12281278 $ |
| 02:56 MST |  Partly Cloudy | -24°C / -11°F | -28°C / -18°F | 70% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KGFA 070956Z AUTO 00000KT 10SM FEW006 M24/M28 A3025 RMK AO2 SNB09E26 SLP377 P0000 T12391283 $ |
| 02:28 MST |  Partly Cloudy | -21°C / -6°F | -26°C / -15°F | 64% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 9SM |
| | KGFA 070928Z AUTO 00000KT 9SM FEW004 SCT009 M21/M26 A3025 RMK AO2 SNB09E26 P0000 $ |
| 02:10 MST |  Overcast Light Snow | -21°C / -6°F | -26°C / -15°F | 64% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 5SM |
| | KGFA 070910Z AUTO 00000KT 5SM -SN FEW004 BKN009 OVC031 M21/M26 A3025 RMK AO2 SNB09 P0000 $ |
| 01:56 MST |  Overcast | -21°C / -6°F | -25°C / -13°F | 70% | 1025 mb (30.27 in) | Calm | 0.00 mm (0.00 in) | 7SM |
| | KGFA 070856Z AUTO 00000KT 7SM FEW004 BKN022 OVC029 M21/M25 A3026 RMK AO2 SNB13E51 SLP372 P0000 60000 T12061250 56010 $ |
| 01:38 MST |  Overcast Light Snow | -21°C / -6°F | -26°C / -15°F | 64% | 1025 mb (30.27 in) | Calm | 0.00 mm (0.00 in) | 2SM |
| | KGFA 070838Z AUTO 00000KT 2SM -SN FEW006 BKN022 OVC029 M21/M26 A3026 RMK AO2 SNB13 P0000 $ |
| 00:56 MST |  Overcast | -24°C / -11°F | -28°C / -18°F | 70% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KGFA 070756Z AUTO 00000KT 10SM FEW007 SCT016 OVC029 M24/M28 A3027 RMK AO2 SLP384 T12391283 $ |
| 00:27 MST |  Overcast | -21°C / -6°F | -26°C / -15°F | 64% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KGFA 070727Z AUTO 00000KT 10SM FEW004 BKN016 OVC040 M21/M26 A3027 RMK AO2 $ |