| 21:53 MST |  Clear | 2°C / 36°F | -7°C / 19°F | 52% | 1020 mb (30.12 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KHLN 290453Z AUTO 26012KT 10SM CLR 02/M07 A3012 RMK AO2 SLP238 T00221072 |
| 20:53 MST |  Overcast | 1°C / 34°F | -7°C / 19°F | 56% | 1020 mb (30.12 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KHLN 290353Z 33007KT 10SM OVC100 01/M07 A3011 RMK AO2 SLP241 T00111072 |
| 19:53 MST |  Overcast | 3°C / 37°F | -8°C / 18°F | 45% | 1020 mb (30.12 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KHLN 290253Z VRB03KT 10SM OVC090 03/M08 A3012 RMK AO2 SLP242 T00331078 53000 |
| 18:53 MST |  Overcast | 2°C / 36°F | -8°C / 18°F | 48% | 1020 mb (30.12 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KHLN 290153Z 35005KT 10SM OVC095 02/M08 A3012 RMK AO2 SLP244 T00221078 |
| 17:53 MST |  Overcast | 3°C / 37°F | -8°C / 18°F | 45% | 1020 mb (30.12 in) | W 22 kph (W 13.8 mph) | - | 10SM |
| | KHLN 290053Z AUTO 27012KT 10SM OVC095 03/M08 A3012 RMK AO2 SLP241 T00331083 TSNO |
| 16:53 MST |  Overcast | 4°C / 39°F | -9°C / 16°F | 39% | 1020 mb (30.12 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KHLN 282353Z 27011KT 10SM OVC095 04/M09 A3012 RMK AO2 SLP239 T00391094 10044 20028 53003 |
| 15:53 MST |  Mostly Cloudy | 3°C / 37°F | -11°C / 12°F | 35% | 1020 mb (30.12 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KHLN 282253Z 28008KT 10SM BKN090 03/M11 A3012 RMK AO2 SLP240 T00331106 |
| 14:53 MST |  Partly Cloudy | 4°C / 39°F | -10°C / 14°F | 36% | 1020 mb (30.12 in) | WNW 11 kph (WNW 6.9 mph) | - | 10SM |
| | KHLN 282153Z 29006KT 10SM SCT075 04/M10 A3011 RMK AO2 SLP235 T00391100 |
| 13:53 MST |  Partly Cloudy | 4°C / 39°F | -10°C / 14°F | 36% | 1020 mb (30.12 in) | SSW 26 kph (SSW 16.1 mph) | - | 10SM |
| | KHLN 282053Z 26014G20KT 10SM FEW080 04/M10 A3011 RMK AO2 SLP234 T00391100 56011 |
| 12:53 MST |  Clear | 4°C / 39°F | -10°C / 14°F | 36% | 1020 mb (30.12 in) | SSW 26 kph (SSW 16.1 mph) | - | 10SM |
| | KHLN 281953Z 26014G19KT 10SM CLR 04/M10 A3012 RMK AO2 SLP236 T00441100 |
| 11:53 MST |  Clear | 4°C / 39°F | -11°C / 12°F | 33% | 1020 mb (30.12 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KHLN 281853Z 26012G21KT 10SM CLR 04/M11 A3013 RMK AO2 SLP237 T00441106 |
| 10:53 MST |  Clear | 3°C / 37°F | -9°C / 16°F | 41% | 1021 mb (30.15 in) | W 24 kph (W 15 mph) | - | 10SM |
| | KHLN 281753Z 27013KT 10SM CLR 03/M09 A3015 RMK AO2 SLP243 T00281094 10033 21017 50008 |
| 09:53 MST |  Clear | 2°C / 36°F | -8°C / 18°F | 48% | 1021 mb (30.15 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KHLN 281653Z 26012KT 10SM CLR 02/M08 A3015 RMK AO2 PK WND 26028/1613 SLP245 T00221083 |
| 08:53 MST |  Clear | 1°C / 34°F | -8°C / 18°F | 51% | 1021 mb (30.15 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KHLN 281553Z 26009KT 10SM CLR 01/M08 A3014 RMK AO2 SLP243 T00061078 |
| 07:53 MST |  Clear | -1°C / 30°F | -9°C / 16°F | 55% | 1020 mb (30.12 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KHLN 281453Z 26003KT 10SM CLR M01/M09 A3012 RMK AO2 SLP237 T10061089 51013 |
| 06:53 MST |  Clear | -1°C / 30°F | -8°C / 18°F | 59% | 1020 mb (30.12 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KHLN 281353Z 20004KT 10SM CLR M01/M08 A3011 RMK AO2 SLP235 T10061078 |
| 05:53 MST |  Clear | -1°C / 30°F | -7°C / 19°F | 64% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | KHLN 281253Z 00000KT 10SM CLR M01/M07 A3009 RMK AO2 SLP227 T10061072 |
| 04:53 MST |  Clear | 1°C / 34°F | -7°C / 19°F | 56% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KHLN 281153Z AUTO 00000KT 10SM CLR 01/M07 A3007 RMK AO2 SLP218 T00061072 10044 21011 51015 |
| 03:53 MST |  Partly Cloudy | -1°C / 30°F | -8°C / 18°F | 59% | 1018 mb (30.06 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KHLN 281053Z AUTO 31006KT 10SM SCT060 M01/M08 A3007 RMK AO2 SLP215 T10061078 |
| 02:53 MST |  Mostly Cloudy | 2°C / 36°F | -7°C / 19°F | 52% | 1018 mb (30.06 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KHLN 280953Z AUTO 28009KT 10SM BKN060 02/M07 A3005 RMK AO2 SLP205 T00171072 |
| 01:53 MST |  Mostly Cloudy | 1°C / 34°F | -4°C / 25°F | 70% | 1017 mb (30.03 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KHLN 280853Z AUTO 26004KT 10SM FEW040 BKN060 01/M04 A3003 RMK AO2 SLP202 T00111039 51019 |
| 00:53 MST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1016 mb (30 in) | Calm | - | 10SM |
| | KHLN 280753Z AUTO 00000KT 10SM BKN042 OVC065 02/M03 A3001 RMK AO2 SLP197 T00221028 |