| 09:53 MST |  Mostly Cloudy | 2°C / 36°F | -7°C / 19°F | 52% | 1007 mb (29.74 in) | S 15 kph (S 9.2 mph) | - | 10SM |
| | KCYS 221653Z 18008KT 10SM BKN110 02/M07 A2975 RMK AO2 SLP077 T00171067 |
| 08:53 MST |  Clear | 1°C / 34°F | -7°C / 19°F | 56% | 1007 mb (29.74 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KCYS 221553Z 22004KT 10SM CLR 01/M07 A2975 RMK AO2 SLP077 T00111072 |
| 07:53 MST |  Overcast | 0°C / 32°F | -8°C / 18°F | 55% | 1008 mb (29.77 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KCYS 221453Z 26006KT 10SM OVC100 00/M08 A2976 RMK AO2 SLP080 T00001078 56009 |
| 06:53 MST |  Mostly Cloudy | -1°C / 30°F | -8°C / 18°F | 59% | 1008 mb (29.77 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KCYS 221353Z 24005KT 10SM BKN120 M01/M08 A2977 RMK AO2 SLP081 T10061078 $ |
| 05:53 MST |  Partly Cloudy | -1°C / 30°F | -8°C / 18°F | 59% | 1008 mb (29.77 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KCYS 221253Z 22008KT 10SM FEW110 M01/M08 A2978 RMK AO2 SLP088 T10061078 $ |
| 04:53 MST |  Clear | 0°C / 32°F | -8°C / 18°F | 55% | 1009 mb (29.8 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KCYS 221153Z AUTO 21009KT 10SM CLR 00/M08 A2980 RMK AO2 SLP087 T00001078 10022 21006 56005 TSNO $ |
| 03:53 MST |  Clear | 1°C / 34°F | -8°C / 18°F | 51% | 1009 mb (29.8 in) | SW 20 kph (SW 12.7 mph) | - | 10SM |
| | KCYS 221053Z AUTO 21011KT 10SM CLR 01/M08 A2980 RMK AO2 SLP081 T00061078 TSNO $ |
| 02:53 MST |  Clear | 1°C / 34°F | -8°C / 18°F | 51% | 1009 mb (29.8 in) | SSE 28 kph (SSE 17.3 mph) | - | 10SM |
| | KCYS 220953Z AUTO 20015G18KT 10SM CLR 01/M08 A2981 RMK AO2 SLP080 T00111083 TSNO $ |
| 01:53 MST |  Clear | 1°C / 34°F | -8°C / 18°F | 51% | 1009 mb (29.8 in) | SW 24 kph (SW 15 mph) | - | 10SM |
| | KCYS 220853Z AUTO 21013G20KT 10SM CLR 01/M08 A2981 RMK AO2 SLP082 T00111083 56008 TSNO $ |
| 00:53 MST |  Clear | 2°C / 36°F | -9°C / 16°F | 44% | 1010 mb (29.83 in) | SW 28 kph (SW 17.3 mph) | - | 10SM |
| | KCYS 220753Z AUTO 21015KT 10SM CLR 02/M09 A2982 RMK AO2 SLP080 T00171089 TSNO $ |