| 22:53 MST |  Clear | -17°C / 1°F | -20°C / -4°F | 78% | 1022 mb (30.18 in) | SSE 7 kph (SSE 4.6 mph) | - | 10SM |
| | KBOI 100553Z 16004KT 10SM CLR M17/M20 A3019 RMK AO2 SLP277 T11671200 11100 21172 53004 |
| 21:53 MST |  Clear | -16°C / 3°F | -19°C / -2°F | 78% | 1022 mb (30.18 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KBOI 100453Z 13003KT 10SM CLR M16/M19 A3018 RMK AO2 SLP275 T11561194 |
| 20:53 MST |  Clear | -16°C / 3°F | -19°C / -2°F | 78% | 1022 mb (30.18 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KBOI 100353Z 21003KT 10SM CLR M16/M19 A3018 RMK AO2 SLP276 T11561194 |
| 19:53 MST |  Clear | -15°C / 5°F | -19°C / -2°F | 72% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KBOI 100253Z 00000KT 10SM CLR M15/M19 A3018 RMK AO2 SLP277 T11501189 51006 |
| 18:53 MST |  Clear | -13°C / 9°F | -18°C / 0°F | 66% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KBOI 100153Z 00000KT 10SM CLR M13/M18 A3017 RMK AO2 SLP274 T11331178 |
| 17:53 MST |  Clear | -12°C / 10°F | -17°C / 1°F | 67% | 1021 mb (30.15 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KBOI 100053Z 27004KT 10SM CLR M12/M17 A3016 RMK AO2 SLP269 T11171172 |
| 16:53 MST |  Clear | -9°C / 16°F | -18°C / 0°F | 48% | 1021 mb (30.15 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KBOI 092353Z 29004KT 10SM CLR M09/M18 A3016 RMK AO2 SLP262 T10941178 11089 21122 53009 |
| 15:53 MST |  Clear | -9°C / 16°F | -18°C / 0°F | 48% | 1021 mb (30.15 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KBOI 092253Z 29005KT 10SM CLR M09/M18 A3014 RMK AO2 SLP256 T10891178 |
| 14:53 MST |  Clear | -9°C / 16°F | -18°C / 0°F | 48% | 1020 mb (30.12 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KBOI 092153Z 31008KT 10SM CLR M09/M18 A3013 RMK AO2 SLP252 T10891178 |
| 13:53 MST |  Clear | -9°C / 16°F | -18°C / 0°F | 48% | 1020 mb (30.12 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KBOI 092053Z 31008KT 10SM CLR M09/M18 A3013 RMK AO2 SLP255 T10941178 58012 |
| 12:53 MST |  Clear | -11°C / 12°F | -17°C / 1°F | 62% | 1021 mb (30.15 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KBOI 091953Z 29004KT 10SM CLR M11/M17 A3015 RMK AO2 SLP262 T11061167 |
| 11:53 MST |  Mostly Cloudy | -12°C / 10°F | -17°C / 1°F | 67% | 1021 mb (30.15 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KBOI 091853Z 27003KT 10SM BKN110 M12/M17 A3015 RMK AO2 SLP265 T11221172 |
| 10:53 MST |  Partly Cloudy | -12°C / 10°F | -17°C / 1°F | 67% | 1022 mb (30.18 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KBOI 091753Z 20003KT 10SM FEW110 M12/M17 A3017 RMK AO2 SLP269 T11221167 11117 21183 50002 |
| 09:53 MST |  Clear | -13°C / 9°F | -17°C / 1°F | 72% | 1022 mb (30.18 in) | E 6 kph (E 3.5 mph) | - | 8SM |
| | KBOI 091653Z 08003KT 8SM CLR M13/M17 A3017 RMK AO2 SLP271 T11331172 |
| 08:53 MST |  Fair | -14°C / 7°F | -19°C / -2°F | 66% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KBOI 091553Z 00000KT 10SM M14/M19 A3016 RMK AO2 SLP269 T11441189 $ |
| 07:53 MST |  Clear | -16°C / 3°F | -19°C / -2°F | 78% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KBOI 091453Z 00000KT 10SM CLR M16/M19 A3016 RMK AO2 SLP267 T11611194 50006 |
| 06:53 MST |  Clear | -17°C / 1°F | -21°C / -6°F | 71% | 1021 mb (30.15 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KBOI 091353Z 12003KT 10SM CLR M17/M21 A3016 RMK AO2 SLP268 T11671206 |
| 05:53 MST |  Clear | -17°C / 1°F | -21°C / -6°F | 71% | 1021 mb (30.15 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KBOI 091253Z 18003KT 10SM CLR M17/M21 A3014 RMK AO2 SLP261 T11721206 |
| 04:53 MST |  Clear | -17°C / 1°F | -21°C / -6°F | 71% | 1021 mb (30.15 in) | SSE 13 kph (SSE 8.1 mph) | - | 10SM |
| | KBOI 091153Z 15007KT 10SM CLR M17/M21 A3014 RMK AO2 SLP257 T11671206 11167 21200 50005 |
| 03:53 MST |  Clear | -17°C / 1°F | -21°C / -6°F | 71% | 1021 mb (30.15 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KBOI 091053Z 13005KT 10SM CLR M17/M21 A3014 RMK AO2 SLP258 T11721211 |
| 02:53 MST |  Clear | -17°C / 1°F | -21°C / -6°F | 71% | 1020 mb (30.12 in) | ESE 6 kph (ESE 3.5 mph) | - | 10SM |
| | KBOI 090953Z 11003KT 10SM CLR M17/M21 A3013 RMK AO2 SLP254 T11721211 |
| 01:53 MST |  Clear | -18°C / 0°F | -22°C / -8°F | 71% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KBOI 090853Z 00000KT 10SM CLR M18/M22 A3012 RMK AO2 SLP253 T11831222 50005 |
| 00:53 MST |  Clear | -18°C / 0°F | -22°C / -8°F | 71% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KBOI 090753Z 00000KT 10SM CLR M18/M22 A3013 RMK AO2 SLP253 T11781217 |