| 21:56 MST |  Clear | -8°C / 18°F | -16°C / 3°F | 53% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KGFA 260456Z AUTO 00000KT 10SM CLR M08/M16 A3027 RMK AO2 SLP318 T10781156 $ |
| 20:56 MST |  Clear | -8°C / 18°F | -17°C / 1°F | 49% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KGFA 260356Z AUTO 00000KT 10SM CLR M08/M17 A3032 RMK AO2 SLP355 T10831167 $ |
| 20:07 MST |  Partly Cloudy Hazy | -9°C / 16°F | -14°C / 7°F | 67% | 1025 mb (30.27 in) | Calm | - | 3SM |
| | KGFA 260307Z AUTO 00000KT 3SM HZ FEW001 M09/M14 A3026 RMK AO2 $ |
| 20:03 MST |  Partly Cloudy Hazy | -8°C / 18°F | -14°C / 7°F | 62% | 1025 mb (30.27 in) | Calm | - | 1 1/4SM |
| | KGFA 260303Z AUTO 00000KT 1 1/4SM HZ FEW001 M08/M14 A3026 RMK AO2 $ |
| 19:56 MST |  Obscured Hazy | 1°C / 34°F | -15°C / 5°F | 29% | 1025 mb (30.27 in) | Calm | - | 1/2SM |
| | KGFA 260256Z AUTO 00000KT 1/2SM HZ VV001 01/M15 A3026 RMK AO2 PRESFR SLP303 T00061150 55014 $ |
| 19:30 MST |  Obscured Hazy | -6°C / 21°F | -15°C / 5°F | 49% | 1027 mb (30.33 in) | Calm | - | 1/4SM |
| | KGFA 260230Z AUTO 00000KT 1/4SM HZ VV001 M06/M15 A3033 RMK AO2 PRESRR $ |
| 19:09 MST |  Clear Hazy | -9°C / 16°F | -13°C / 9°F | 73% | 1025 mb (30.27 in) | Calm | - | 3/4SM |
| | KGFA 260209Z AUTO 00000KT 3/4SM HZ CLR M09/M13 A3027 RMK AO2 $ |
| 19:02 MST |  Clear Hazy | -9°C / 16°F | -13°C / 9°F | 73% | 1025 mb (30.27 in) | Calm | - | 2SM |
| | KGFA 260202Z AUTO 00000KT 2SM HZ CLR M09/M13 A3026 RMK AO2 $ |
| 18:56 MST |  Clear Hazy | -7°C / 19°F | -12°C / 10°F | 68% | 1025 mb (30.27 in) | Calm | - | 3/4SM |
| | KGFA 260156Z AUTO 00000KT 3/4SM HZ CLR M07/M12 A3026 RMK AO2 SLP304 T10671122 $ |
| 18:54 MST |  Clear Hazy | -6°C / 21°F | -13°C / 9°F | 58% | 1025 mb (30.27 in) | Calm | - | 3/4SM |
| | KGFA 260154Z AUTO 00000KT 3/4SM HZ CLR M06/M13 A3026 RMK AO2 $ |
| 18:43 MST |  Clear Hazy | -8°C / 18°F | -14°C / 7°F | 62% | 1025 mb (30.27 in) | Calm | - | 1 3/4SM |
| | KGFA 260143Z AUTO 00000KT 1 3/4SM HZ CLR M08/M14 A3026 RMK AO2 $ |
| 17:56 MST |  Clear | -7°C / 19°F | -12°C / 10°F | 68% | 1026 mb (30.3 in) | Calm | - | 9SM |
| | KGFA 260056Z AUTO 00000KT 9SM CLR M07/M12 A3031 RMK AO2 SLP315 T10671122 $ |
| 16:56 MST |  Clear | -7°C / 19°F | -11°C / 12°F | 73% | 1025 mb (30.27 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KGFA 252356Z AUTO 07003KT 10SM CLR M07/M11 A3026 RMK AO2 SLP293 T10671111 10161 21067 50008 $ |
| 16:03 MST |  Partly Cloudy | -2°C / 28°F | -9°C / 16°F | 59% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KGFA 252303Z AUTO 00000KT 10SM SCT024 M02/M09 A3026 RMK AO2 $ |
| 15:56 MST |  Mostly Cloudy | -2°C / 28°F | -8°C / 18°F | 64% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KGFA 252256Z AUTO 00000KT 10SM BKN024 M02/M08 A3027 RMK AO2 SLP295 T10171083 $ |
| 14:56 MST |  Overcast | -2°C / 28°F | -9°C / 16°F | 59% | 1024 mb (30.24 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KGFA 252156Z AUTO 34003KT 10SM OVC026 M02/M09 A3025 RMK AO2 PK WND 33031/2141 SLP305 T10171089 $ |
| 13:56 MST |  Mostly Cloudy | -1°C / 30°F | -9°C / 16°F | 55% | 1024 mb (30.24 in) | NNE 9 kph (NNE 5.8 mph) | - | 10SM |
| | KGFA 252056Z AUTO 02005KT 10SM BKN026 M01/M09 A3023 RMK AO2 SLP284 T10061089 51000 $ |
| 13:53 MST |  Mostly Cloudy | -1°C / 30°F | -9°C / 16°F | 55% | 1024 mb (30.24 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KGFA 252053Z AUTO 36005KT 10SM BKN026 M01/M09 A3023 RMK AO2 $ |
| 12:56 MST |  Clear | 8°C / 46°F | -9°C / 16°F | 29% | 1024 mb (30.24 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KGFA 251956Z AUTO 33005KT 10SM CLR 08/M09 A3024 RMK AO2 PK WND 33035/1924 SLP273 T00831089 |
| 11:56 MST |  Clear | 14°C / 57°F | -9°C / 16°F | 20% | 1024 mb (30.24 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KGFA 251856Z AUTO 29005KT 10SM CLR 14/M09 A3023 RMK AO2 SLP270 T01391094 |
| 10:56 MST |  Clear | 4°C / 39°F | -8°C / 18°F | 42% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KGFA 251756Z AUTO 00000KT 10SM CLR 04/M08 A3024 RMK AO2 SLP276 T00391078 10189 21039 51013 |
| 09:56 MST |  Overcast | 4°C / 39°F | -9°C / 16°F | 39% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KGFA 251656Z AUTO 00000KT 10SM OVC090 04/M09 A3023 RMK AO2 SLP282 T00391089 |
| 08:56 MST |  Mostly Cloudy | -4°C / 25°F | -10°C / 14°F | 63% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KGFA 251556Z AUTO 00000KT 10SM BKN095 M04/M10 A3021 RMK AO2 SLP302 T10391100 |
| 07:56 MST |  Overcast | 5°C / 41°F | -9°C / 16°F | 36% | 1023 mb (30.21 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KGFA 251456Z AUTO 22003KT 10SM FEW038 BKN065 OVC110 05/M09 A3020 RMK AO2 SLP276 T00501094 53007 |
| 06:56 MST |  Overcast | 11°C / 52°F | -10°C / 14°F | 22% | 1022 mb (30.18 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KGFA 251356Z AUTO 27004KT 10SM BKN050 OVC120 11/M10 A3018 RMK AO2 SLP272 T01061100 |
| 05:56 MST |  Overcast | 16°C / 61°F | -9°C / 16°F | 17% | 1022 mb (30.18 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KGFA 251256Z AUTO 24005KT 10SM OVC048 16/M09 A3017 RMK AO2 SLP264 T01561094 |
| 04:56 MST |  Overcast | 19°C / 66°F | -9°C / 16°F | 14% | 1022 mb (30.18 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KGFA 251156Z AUTO 24006KT 10SM OVC043 19/M09 A3017 RMK AO2 SLP259 T01941089 10194 20017 51004 |
| 03:56 MST |  Overcast | 14°C / 57°F | -9°C / 16°F | 20% | 1022 mb (30.18 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KGFA 251056Z AUTO 25004KT 10SM OVC048 14/M09 A3017 RMK AO2 SLP264 T01441089 |
| 02:56 MST |  Overcast | 2°C / 36°F | -9°C / 16°F | 44% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KGFA 250956Z AUTO 00000KT 10SM FEW034 OVC046 02/M09 A3017 RMK AO2 SLP275 T00221089 |
| 01:56 MST |  Overcast | 14°C / 57°F | -9°C / 16°F | 20% | 1021 mb (30.15 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KGFA 250856Z AUTO 25005KT 10SM BKN034 OVC044 14/M09 A3016 RMK AO2 SLP254 T01391089 53010 |
| 00:56 MST |  Overcast | 13°C / 55°F | -9°C / 16°F | 21% | 1021 mb (30.15 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KGFA 250756Z AUTO 25006KT 10SM OVC036 13/M09 A3015 RMK AO2 SLP255 T01331094 |