| 17:05 MST |  Clear | 0°C / 32°F | -2°C / 28°F | 87% | 1011 mb (29.85 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KALM 060005Z AUTO 31004KT 10SM CLR 00/M02 A2986 RMK AO2 |
| 16:45 MST |  Clear | 1°C / 34°F | -2°C / 28°F | 81% | 1012 mb (29.88 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KALM 052345Z AUTO 29004KT 10SM CLR 01/M02 A2987 RMK AO2 |
| 16:25 MST |  Clear | 2°C / 36°F | -1°C / 30°F | 81% | 1012 mb (29.88 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KALM 052325Z AUTO 26003KT 10SM CLR 02/M01 A2987 RMK AO2 |
| 16:05 MST |  Clear | 3°C / 37°F | -1°C / 30°F | 75% | 1011 mb (29.85 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KALM 052305Z AUTO 21005KT 10SM CLR 03/M01 A2986 RMK AO2 |
| 15:45 MST |  Clear | 3°C / 37°F | -1°C / 30°F | 75% | 1012 mb (29.88 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KALM 052245Z AUTO 19004KT 10SM CLR 03/M01 A2987 RMK AO2 |
| 15:25 MST |  Clear | 4°C / 39°F | -1°C / 30°F | 70% | 1012 mb (29.88 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KALM 052225Z AUTO 21005KT 10SM CLR 04/M01 A2988 RMK AO2 |
| 15:05 MST |  Clear | 3°C / 37°F | -1°C / 30°F | 75% | 1012 mb (29.88 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KALM 052205Z AUTO 20005KT 10SM CLR 03/M01 A2988 RMK AO2 |
| 14:45 MST |  Clear | 3°C / 37°F | -2°C / 28°F | 70% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KALM 052145Z AUTO 00000KT 10SM CLR 03/M02 A2989 RMK AO2 |
| 14:25 MST |  Clear | 3°C / 37°F | -2°C / 28°F | 70% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KALM 052125Z AUTO 00000KT 10SM CLR 03/M02 A2989 RMK AO2 |
| 14:05 MST |  Clear | 2°C / 36°F | -2°C / 28°F | 75% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KALM 052105Z AUTO 00000KT 10SM CLR 02/M02 A2990 RMK AO2 |
| 13:45 MST |  Clear | 2°C / 36°F | -2°C / 28°F | 75% | 1013 mb (29.91 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KALM 052045Z AUTO 07003KT 10SM CLR 02/M02 A2991 RMK AO2 |
| 13:25 MST |  Clear | 2°C / 36°F | -2°C / 28°F | 75% | 1014 mb (29.94 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KALM 052025Z AUTO 20003KT 10SM CLR 02/M02 A2993 RMK AO2 |
| 13:05 MST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KALM 052005Z AUTO 00000KT 10SM CLR 01/M03 A2994 RMK AO2 |
| 12:45 MST |  Clear | 0°C / 32°F | -3°C / 27°F | 80% | 1014 mb (29.94 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KALM 051945Z AUTO 18004KT 10SM CLR 00/M03 A2995 RMK AO2 |
| 12:25 MST |  Clear | 0°C / 32°F | -3°C / 27°F | 80% | 1015 mb (29.97 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KALM 051925Z AUTO 19004KT 10SM CLR 00/M03 A2997 RMK AO2 |
| 12:05 MST |  Clear | 0°C / 32°F | -3°C / 27°F | 80% | 1015 mb (29.97 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KALM 051905Z AUTO 19003KT 10SM CLR 00/M03 A2998 RMK AO2 |
| 11:45 MST |  Clear | 0°C / 32°F | -3°C / 27°F | 80% | 1016 mb (30 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KALM 051845Z AUTO 16003KT 10SM CLR 00/M03 A3000 RMK AO2 |
| 11:25 MST |  Clear | 0°C / 32°F | -4°C / 25°F | 75% | 1017 mb (30.03 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KALM 051825Z AUTO 15005KT 10SM CLR 00/M04 A3002 RMK AO2 |
| 11:05 MST |  Clear | 0°C / 32°F | -4°C / 25°F | 75% | 1017 mb (30.03 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KALM 051805Z AUTO 20004KT 10SM CLR 00/M04 A3003 RMK AO2 |
| 10:45 MST |  Clear | -1°C / 30°F | -5°C / 23°F | 75% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KALM 051745Z AUTO 00000KT 10SM CLR M01/M05 A3004 RMK AO2 |
| 10:25 MST |  Clear | -2°C / 28°F | -5°C / 23°F | 80% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KALM 051725Z AUTO 00000KT 10SM CLR M02/M05 A3006 RMK AO2 |
| 10:05 MST |  Clear | -3°C / 27°F | -5°C / 23°F | 86% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KALM 051705Z AUTO 00000KT 10SM CLR M03/M05 A3007 RMK AO2 |
| 09:45 MST |  Clear | -4°C / 25°F | -4°C / 25°F | 100% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KALM 051645Z AUTO 00000KT 10SM CLR M04/M04 A3008 RMK AO2 |
| 09:25 MST |  Clear | -4°C / 25°F | -5°C / 23°F | 93% | 1019 mb (30.09 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KALM 051625Z AUTO 16003KT 10SM CLR M04/M05 A3008 RMK AO2 |
| 09:05 MST |  Clear | -5°C / 23°F | -6°C / 21°F | 93% | 1019 mb (30.09 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KALM 051605Z AUTO 18007KT 10SM CLR M05/M06 A3008 RMK AO2 |
| 08:45 MST |  Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1019 mb (30.09 in) | SSE 7 kph (SSE 4.6 mph) | - | 9SM |
| | KALM 051545Z AUTO 16004KT 9SM CLR M06/M07 A3008 RMK AO2 |
| 08:25 MST |  Clear | -7°C / 19°F | -7°C / 19°F | 100% | 1019 mb (30.09 in) | Calm | - | 9SM |
| | KALM 051525Z AUTO 00000KT 9SM CLR M07/M07 A3008 RMK AO2 |
| 08:05 MST |  Clear | -7°C / 19°F | -7°C / 19°F | 100% | 1019 mb (30.09 in) | Calm | - | 8SM |
| | KALM 051505Z AUTO 00000KT 8SM CLR M07/M07 A3008 RMK AO2 |
| 07:45 MST |  Clear | -8°C / 18°F | -8°C / 18°F | 100% | 1018 mb (30.06 in) | Calm | - | 8SM |
| | KALM 051445Z AUTO 00000KT 8SM CLR M08/M08 A3007 RMK AO2 |
| 07:25 MST |  Clear | -9°C / 16°F | -10°C / 14°F | 93% | 1019 mb (30.09 in) | ENE 6 kph (ENE 3.5 mph) | - | 7SM |
| | KALM 051425Z AUTO 07003KT 7SM CLR M09/M10 A3008 RMK AO2 |
| 07:05 MST |  Clear Fog And Mist | -9°C / 16°F | -10°C / 14°F | 93% | 1019 mb (30.09 in) | SE 7 kph (SE 4.6 mph) | - | 5SM |
| | KALM 051405Z AUTO 14004KT 5SM BR CLR M09/M10 A3008 RMK AO2 |
| 06:45 MST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1019 mb (30.09 in) | SE 9 kph (SE 5.8 mph) | - | 8SM |
| | KALM 051345Z AUTO 14005KT 8SM CLR M09/M11 A3008 RMK AO2 |
| 06:25 MST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1019 mb (30.09 in) | SE 11 kph (SE 6.9 mph) | - | 9SM |
| | KALM 051325Z AUTO 13006KT 9SM CLR M09/M11 A3008 RMK AO2 |
| 06:05 MST |  Clear | -8°C / 18°F | -9°C / 16°F | 93% | 1019 mb (30.09 in) | SE 11 kph (SE 6.9 mph) | - | 7SM |
| | KALM 051305Z AUTO 14006KT 7SM CLR M08/M09 A3008 RMK AO2 |
| 05:45 MST |  Clear | -8°C / 18°F | -9°C / 16°F | 93% | 1019 mb (30.09 in) | Calm | - | 8SM |
| | KALM 051245Z AUTO 00000KT 8SM CLR M08/M09 A3008 RMK AO2 |
| 05:25 MST |  Clear | -9°C / 16°F | -10°C / 14°F | 93% | 1019 mb (30.09 in) | Calm | - | 9SM |
| | KALM 051225Z AUTO 00000KT 9SM CLR M09/M10 A3008 RMK AO2 |
| 05:05 MST |  Partly Cloudy Fog And Mist | -9°C / 16°F | -10°C / 14°F | 93% | 1019 mb (30.09 in) | SE 11 kph (SE 6.9 mph) | - | 5SM |
| | KALM 051205Z AUTO 12006KT 5SM BR SCT001 M09/M10 A3009 RMK AO2 |
| 04:45 MST |  Overcast Fog | -8°C / 18°F | -9°C / 16°F | 93% | 1019 mb (30.09 in) | SE 7 kph (SE 4.6 mph) | - | M1/4SM |
| | KALM 051145Z AUTO 13004KT M1/4SM FZFG OVC001 M08/M09 A3010 RMK AO2 |
| 04:25 MST |  Mostly Cloudy Fog And Mist | -9°C / 16°F | -10°C / 14°F | 93% | 1019 mb (30.09 in) | Calm | - | 1 1/2SM |
| | KALM 051125Z AUTO 00000KT 1 1/2SM BR BKN001 M09/M10 A3009 RMK AO2 |
| 04:05 MST |  Clear Fog And Mist | -8°C / 18°F | -9°C / 16°F | 93% | 1019 mb (30.09 in) | SSE 6 kph (SSE 3.5 mph) | - | 5SM |
| | KALM 051105Z AUTO 15003KT 5SM BR CLR M08/M09 A3010 RMK AO2 |
| 03:45 MST |  Clear | -9°C / 16°F | -9°C / 16°F | 100% | 1020 mb (30.12 in) | S 6 kph (S 3.5 mph) | - | 7SM |
| | KALM 051045Z AUTO 18003KT 7SM CLR M09/M09 A3011 RMK AO2 |
| 03:25 MST |  Clear | -8°C / 18°F | -9°C / 16°F | 93% | 1020 mb (30.12 in) | S 11 kph (S 6.9 mph) | - | 8SM |
| | KALM 051025Z AUTO 19006KT 8SM CLR M08/M09 A3011 RMK AO2 |
| 03:05 MST |  Clear | -8°C / 18°F | -9°C / 16°F | 93% | 1020 mb (30.12 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KALM 051005Z AUTO 13005KT 10SM CLR M08/M09 A3011 RMK AO2 |
| 02:45 MST |  Clear | -8°C / 18°F | -10°C / 14°F | 86% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KALM 050945Z AUTO 00000KT 10SM CLR M08/M10 A3012 RMK AO2 |
| 02:25 MST |  Clear | -8°C / 18°F | -9°C / 16°F | 93% | 1020 mb (30.12 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KALM 050925Z AUTO 10003KT 10SM CLR M08/M09 A3013 RMK AO2 |
| 02:05 MST |  Clear | -8°C / 18°F | -10°C / 14°F | 86% | 1021 mb (30.15 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KALM 050905Z AUTO 16003KT 10SM CLR M08/M10 A3014 RMK AO2 |
| 01:45 MST |  Clear | -6°C / 21°F | -8°C / 18°F | 86% | 1020 mb (30.12 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KALM 050845Z AUTO 34003KT 10SM CLR M06/M08 A3013 RMK AO2 |
| 01:25 MST |  Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1020 mb (30.12 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KALM 050825Z AUTO 35005KT 10SM CLR M06/M07 A3013 RMK AO2 |
| 01:05 MST |  Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1021 mb (30.15 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KALM 050805Z AUTO 34003KT 10SM CLR M07/M08 A3014 RMK AO2 |
| 00:45 MST |  Clear | -6°C / 21°F | -7°C / 19°F | 93% | 1021 mb (30.15 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KALM 050745Z AUTO 32005KT 10SM CLR M06/M07 A3014 RMK AO2 |
| 00:25 MST |  Clear | -5°C / 23°F | -7°C / 19°F | 86% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KALM 050725Z AUTO 00000KT 10SM CLR M05/M07 A3014 RMK AO2 |
| 00:05 MST |  Clear | -7°C / 19°F | -8°C / 18°F | 93% | 1021 mb (30.15 in) | E 11 kph (E 6.9 mph) | - | 8SM |
| | KALM 050705Z AUTO 08006KT 8SM CLR M07/M08 A3015 RMK AO2 |