| 13:15 MST |  Overcast | 3°C / 37°F | -1°C / 30°F | 75% | 1016 mb (30 in) | NNE 11 kph (NNE 6.9 mph) | 0.25 mm (0.01 in) | 10SM |
| | KEUL 272015Z AUTO 02006KT 10SM BKN041 OVC050 03/M01 A2999 RMK AO1 P0001 |
| 12:55 MST |  Overcast | 3°C / 37°F | -1°C / 30°F | 75% | 1016 mb (30 in) | NE 7 kph (NE 4.6 mph) | - | 9SM |
| | KEUL 271955Z AUTO 04004KT 9SM BKN041 OVC050 03/M01 A3000 RMK AO1 |
| 12:35 MST |  Overcast | 3°C / 37°F | -2°C / 28°F | 70% | 1016 mb (30 in) | NE 15 kph (NE 9.2 mph) | - | 10SM |
| | KEUL 271935Z AUTO 05008KT 10SM OVC055 03/M02 A3000 RMK AO1 |
| 12:15 MST |  Overcast | 3°C / 37°F | -2°C / 28°F | 70% | 1016 mb (30 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KEUL 271915Z AUTO 03007KT 10SM BKN065 OVC075 03/M02 A3000 RMK AO1 |
| 11:55 MST |  Overcast | 3°C / 37°F | -2°C / 28°F | 70% | 1016 mb (30 in) | NNE 15 kph (NNE 9.2 mph) | - | 10SM |
| | KEUL 271855Z AUTO 02008KT 10SM SCT060 OVC075 03/M02 A3001 RMK AO1 |
| 11:35 MST |  Overcast | 3°C / 37°F | -2°C / 28°F | 70% | 1017 mb (30.03 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KEUL 271835Z AUTO 34007KT 10SM BKN060 OVC070 03/M02 A3002 RMK AO1 |
| 11:15 MST |  Overcast | 3°C / 37°F | -3°C / 27°F | 65% | 1016 mb (30 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KEUL 271815Z AUTO 24004KT 10SM OVC070 03/M03 A3001 RMK AO1 |
| 10:35 MST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1016 mb (30 in) | SE 15 kph (SE 9.2 mph) | - | 9SM |
| | KEUL 271735Z AUTO 14008KT 9SM FEW036 SCT047 OVC060 02/M03 A3000 RMK AO1 |
| 10:15 MST |  Mostly Cloudy | 2°C / 36°F | -3°C / 27°F | 70% | 1017 mb (30.03 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KEUL 271715Z AUTO 15003KT 10SM FEW047 SCT065 BKN080 02/M03 A3002 RMK AO1 |
| 09:55 MST |  Mostly Cloudy | 1°C / 34°F | -3°C / 27°F | 75% | 1017 mb (30.03 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KEUL 271655Z AUTO 23006KT 10SM BKN100 01/M03 A3003 RMK AO1 |
| 09:35 MST |  Partly Cloudy | 0°C / 32°F | -4°C / 25°F | 75% | 1017 mb (30.03 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KEUL 271635Z AUTO 23005KT 10SM SCT120 00/M04 A3003 RMK AO1 |
| 09:15 MST |  Mostly Cloudy | -1°C / 30°F | -4°C / 25°F | 80% | 1017 mb (30.03 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KEUL 271615Z AUTO 23005KT 10SM BKN120 M01/M04 A3003 RMK AO1 |
| 08:55 MST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1017 mb (30.03 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KEUL 271555Z AUTO 24004KT 10SM OVC110 M01/M04 A3003 RMK AO1 |
| 08:35 MST |  Mostly Cloudy | -1°C / 30°F | -5°C / 23°F | 75% | 1017 mb (30.03 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KEUL 271535Z AUTO 26003KT 10SM BKN110 M01/M05 A3002 RMK AO1 |
| 08:15 MST |  Overcast | -1°C / 30°F | -5°C / 23°F | 75% | 1017 mb (30.03 in) | W 7 kph (W 4.6 mph) | - | 9SM |
| | KEUL 271515Z AUTO 28004KT 9SM OVC110 M01/M05 A3002 RMK AO1 |
| 07:55 MST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1017 mb (30.03 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KEUL 271455Z AUTO 27006KT 10SM OVC100 M02/M04 A3002 RMK AO1 52014 |
| 07:35 MST |  Overcast | -2°C / 28°F | -5°C / 23°F | 80% | 1016 mb (30 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KEUL 271435Z AUTO 27005KT 10SM OVC110 M02/M05 A3001 RMK AO1 |
| 07:15 MST |  Overcast | -2°C / 28°F | -6°C / 21°F | 74% | 1016 mb (30 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KEUL 271415Z AUTO 29004KT 10SM OVC110 M02/M06 A3000 RMK AO1 |
| 06:55 MST |  Partly Cloudy | -2°C / 28°F | -6°C / 21°F | 74% | 1016 mb (30 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KEUL 271355Z AUTO 30005KT 10SM SCT110 M02/M06 A3000 RMK AO1 |
| 06:35 MST |  Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1016 mb (30 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KEUL 271335Z AUTO 30006KT 10SM CLR M02/M06 A3000 RMK AO1 |
| 06:15 MST |  Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1016 mb (30 in) | W 7 kph (W 4.6 mph) | - | 8SM |
| | KEUL 271315Z AUTO 28004KT 8SM CLR M02/M06 A2999 RMK AO1 |
| 05:55 MST |  Clear | -3°C / 27°F | -7°C / 19°F | 74% | 1015 mb (29.97 in) | Calm | - | 8SM |
| | KEUL 271255Z AUTO 00000KT 8SM CLR M03/M07 A2998 RMK AO1 |
| 05:35 MST |  Clear | -3°C / 27°F | -7°C / 19°F | 74% | 1015 mb (29.97 in) | NNE 6 kph (NNE 3.5 mph) | - | 8SM |
| | KEUL 271235Z AUTO 02003KT 8SM CLR M03/M07 A2998 RMK AO1 |
| 05:15 MST |  Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1016 mb (30 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KEUL 271215Z AUTO 34003KT 10SM CLR M02/M06 A2999 RMK AO1 |
| 04:55 MST |  Clear | -3°C / 27°F | -7°C / 19°F | 74% | 1015 mb (29.97 in) | Calm | - | 9SM |
| | KEUL 271155Z AUTO 00000KT 9SM CLR M03/M07 A2998 RMK AO1 11010 21030 57014 |
| 04:35 MST |  Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1016 mb (30 in) | Calm | - | 10SM |
| | KEUL 271135Z AUTO 00000KT 10SM CLR M02/M06 A2999 RMK AO1 |
| 04:15 MST |  Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1016 mb (30 in) | Calm | - | 10SM |
| | KEUL 271115Z AUTO 00000KT 10SM CLR M02/M06 A2999 RMK AO1 |
| 03:55 MST |  Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1016 mb (30 in) | Calm | - | 10SM |
| | KEUL 271055Z AUTO 00000KT 10SM CLR M02/M06 A2999 RMK AO1 |
| 03:35 MST |  Clear | -1°C / 30°F | -6°C / 21°F | 69% | 1016 mb (30 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KEUL 271035Z AUTO 31003KT 10SM CLR M01/M06 A3000 RMK AO1 |
| 03:15 MST |  Partly Cloudy | -1°C / 30°F | -5°C / 23°F | 75% | 1016 mb (30 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KEUL 271015Z AUTO 25003KT 10SM SCT110 M01/M05 A3001 RMK AO1 |
| 02:55 MST |  Overcast | -1°C / 30°F | -5°C / 23°F | 75% | 1016 mb (30 in) | Calm | - | 10SM |
| | KEUL 270955Z AUTO 00000KT 10SM OVC110 M01/M05 A3000 RMK AO1 |
| 02:35 MST |  Mostly Cloudy | -1°C / 30°F | -6°C / 21°F | 69% | 1016 mb (30 in) | Calm | - | 10SM |
| | KEUL 270935Z AUTO 00000KT 10SM BKN120 M01/M06 A3001 RMK AO1 |
| 02:15 MST |  Partly Cloudy | -1°C / 30°F | -5°C / 23°F | 75% | 1016 mb (30 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KEUL 270915Z AUTO 17003KT 10SM FEW120 M01/M05 A3001 RMK AO1 |
| 01:55 MST |  Clear | -1°C / 30°F | -6°C / 21°F | 69% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEUL 270855Z AUTO 00000KT 10SM CLR M01/M06 A3002 RMK AO1 57014 |
| 01:35 MST |  Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEUL 270835Z AUTO 00000KT 10SM CLR M02/M06 A3002 RMK AO1 |
| 01:15 MST |  Clear | -2°C / 28°F | -7°C / 19°F | 69% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEUL 270815Z AUTO 00000KT 10SM CLR M02/M07 A3002 RMK AO1 |
| 00:55 MST |  Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1017 mb (30.03 in) | Calm | - | 6SM |
| | KEUL 270755Z AUTO 00000KT 6SM CLR M02/M06 A3003 RMK AO1 |
| 00:35 MST |  Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEUL 270735Z AUTO 00000KT 10SM CLR M02/M06 A3003 RMK AO1 |
| 00:15 MST |  Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KEUL 270715Z AUTO 00000KT 10SM CLR M02/M06 A3004 RMK AO1 |