| 19:53 MST |  Clear | -2°C / 28°F | -4°C / 25°F | 86% | 1016 mb (30 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KBOI 230253Z 29008KT 10SM CLR M02/M04 A3000 RMK AO2 SLP179 T10171044 51023 |
| 18:53 MST |  Clear | -1°C / 30°F | -4°C / 25°F | 80% | 1015 mb (29.97 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KBOI 230153Z 30011KT 10SM CLR M01/M04 A2997 RMK AO2 SLP169 T10111039 |
| 17:53 MST |  Clear | -1°C / 30°F | -3°C / 27°F | 86% | 1014 mb (29.94 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KBOI 230053Z 32008KT 10SM CLR M01/M03 A2995 RMK AO2 SLP160 T10061033 |
| 16:53 MST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1013 mb (29.91 in) | NNW 26 kph (NNW 16.1 mph) | - | 10SM |
| | KBOI 222353Z 33014KT 10SM CLR 01/M03 A2992 RMK AO2 SLP149 60000 T00061033 10011 21011 53023 |
| 15:53 MST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 1013 mb (29.91 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KBOI 222253Z 32011G21KT 10SM CLR 01/M03 A2990 RMK AO2 SLP141 T00061033 |
| 14:53 MST |  Partly Cloudy | 1°C / 34°F | -3°C / 27°F | 75% | 1012 mb (29.88 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KBOI 222153Z 32013KT 10SM FEW040 01/M03 A2987 RMK AO2 SLP128 T00061033 |
| 13:53 MST |  Mostly Cloudy | 0°C / 32°F | -3°C / 27°F | 80% | 1011 mb (29.85 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KBOI 222053Z 32012KT 10SM SCT009 BKN036 00/M03 A2985 RMK AO2 SLP122 60000 T00001028 53007 |
| 12:53 MST |  Overcast Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1010 mb (29.83 in) | NW 28 kph (NW 17.3 mph) | 0.00 mm (0.00 in) | 4SM |
| | KBOI 221953Z 30015KT 4SM BR BKN005 OVC011 M01/M02 A2983 RMK AO2 SNE10 CIG 004V008 SLP116 P0000 T10061022 |
| 12:24 MST |  Overcast Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1010 mb (29.83 in) | NW 24 kph (NW 15 mph) | 0.00 mm (0.00 in) | 4SM |
| | KBOI 221924Z 30013KT 4SM BR BKN005 OVC009 M01/M02 A2983 RMK AO2 SNE10 CIG 004V007 P0000 |
| 11:53 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1010 mb (29.83 in) | NW 20 kph (NW 12.7 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KBOI 221853Z 30011KT 1 1/4SM -SN BR OVC005 M01/M02 A2983 RMK AO2 CIG 004V010 SLP114 P0000 T10061022 |
| 11:29 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1010 mb (29.83 in) | NW 20 kph (NW 12.7 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KBOI 221829Z 30011KT 3/4SM -SN BR OVC007 M01/M02 A2983 RMK AO2 P0000 |
| 11:21 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1010 mb (29.83 in) | NW 22 kph (NW 13.8 mph) | 0.00 mm (0.00 in) | 1SM |
| | KBOI 221821Z 30012KT 1SM -SN BR BKN007 BKN017 OVC022 M01/M02 A2983 RMK AO2 P0000 |
| 11:08 MST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1010 mb (29.83 in) | NW 24 kph (NW 15 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KBOI 221808Z 30013KT 1 1/4SM -SN BR FEW007 BKN015 OVC023 M01/M03 A2983 RMK AO2 P0000 |
| 10:57 MST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1010 mb (29.83 in) | NW 33 kph (NW 20.7 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBOI 221757Z 30018G24KT 2SM -SN SCT009 BKN015 OVC025 M01/M03 A2983 RMK AO2 P0000 |
| 10:53 MST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1010 mb (29.83 in) | NW 32 kph (NW 19.6 mph) | 0.25 mm (0.01 in) | 1SM |
| | KBOI 221753Z 30017KT 1SM -SN BR SCT009 BKN015 OVC025 M01/M03 A2983 RMK AO2 SLP113 P0001 60002 T10111028 10000 21011 51011 |
| 10:50 MST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1010 mb (29.83 in) | NW 30 kph (NW 18.4 mph) | 0.25 mm (0.01 in) | 1SM |
| | KBOI 221750Z 30016G21KT 1SM -SN BR SCT009 BKN015 OVC025 M01/M03 A2982 RMK AO2 P0001 |
| 10:24 MST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1010 mb (29.83 in) | NW 24 kph (NW 15 mph) | 0.00 mm (0.00 in) | 1SM |
| | KBOI 221724Z 30013KT 1SM -SN BR BKN009 OVC018 M01/M03 A2983 RMK AO2 P0000 |
| 10:12 MST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1010 mb (29.83 in) | NW 20 kph (NW 12.7 mph) | 0.00 mm (0.00 in) | 1SM |
| | KBOI 221712Z 30011KT 1SM -SN BR FEW009 BKN015 OVC020 M01/M03 A2982 RMK AO2 P0000 |
| 10:05 MST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1010 mb (29.83 in) | NW 20 kph (NW 12.7 mph) | 0.00 mm (0.00 in) | 1SM |
| | KBOI 221705Z 30011KT 1SM -SN BR OVC019 M01/M03 A2982 RMK AO2 P0000 |
| 09:55 MST |  Mostly Cloudy Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1010 mb (29.83 in) | NW 11 kph (NW 6.9 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KBOI 221655Z 30006KT 1 1/2SM -SN BR BKN019 M01/M03 A2982 RMK AO2 P0000 |
| 09:53 MST |  Mostly Cloudy Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1010 mb (29.83 in) | NW 13 kph (NW 8.1 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBOI 221653Z 31007KT 3SM -SN BR BKN019 M01/M03 A2982 RMK AO2 SNB1556 SLP112 P0000 T10061028 |
| 09:39 MST |  Mostly Cloudy Fog And Mist | -1°C / 30°F | -3°C / 27°F | 86% | 1010 mb (29.83 in) | NW 11 kph (NW 6.9 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBOI 221639Z 30006KT 3SM BR BKN019 M01/M03 A2982 RMK AO2 SNB1556E35 P0000 |
| 09:37 MST |  Mostly Cloudy Fog And Mist | -1°C / 30°F | -3°C / 27°F | 86% | 1010 mb (29.83 in) | NW 11 kph (NW 6.9 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBOI 221637Z 31006KT 2SM BR BKN017 M01/M03 A2982 RMK AO2 TWR VIS 3 SNB1556E35 P0000 |
| 09:07 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1009 mb (29.8 in) | NW 17 kph (NW 10.4 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBOI 221607Z 30009KT 2SM -SN BR OVC023 M01/M02 A2981 RMK AO2 SNB1556 P0000 |
| 09:00 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1009 mb (29.8 in) | NW 15 kph (NW 9.2 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBOI 221600Z 30008KT 3SM -SN BR OVC027 M01/M02 A2981 RMK AO2 SNB1556 P0000 |
| 08:53 MST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1009 mb (29.8 in) | NW 13 kph (NW 8.1 mph) | 0.00 mm (0.00 in) | 7SM |
| | KBOI 221553Z 30007KT 7SM OVC031 M01/M03 A2980 RMK AO2 SNE42 SLP104 P0000 T10111028 |
| 08:44 MST |  Overcast Fog And Mist | -1°C / 30°F | -3°C / 27°F | 86% | 1009 mb (29.8 in) | NW 17 kph (NW 10.4 mph) | 0.00 mm (0.00 in) | 6SM |
| | KBOI 221544Z 30009KT 6SM BR OVC031 M01/M03 A2980 RMK AO2 SNE42 P0000 |
| 08:11 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1009 mb (29.8 in) | NW 20 kph (NW 12.7 mph) | 0.00 mm (0.00 in) | 4SM |
| | KBOI 221511Z 30011KT 4SM -SN BR OVC023 M01/M02 A2980 RMK AO2 P0000 |
| 07:53 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1009 mb (29.8 in) | NW 26 kph (NW 16.1 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBOI 221453Z 30014KT 2SM -SN BR FEW006 OVC019 M01/M02 A2979 RMK AO2 SLP097 P0000 60001 T10061022 51015 |
| 07:38 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1009 mb (29.8 in) | WNW 20 kph (WNW 12.7 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBOI 221438Z 29011KT 2SM -SN BR SCT006 OVC017 M01/M02 A2979 RMK AO2 P0000 |
| 06:53 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1008 mb (29.77 in) | NW 19 kph (NW 11.5 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBOI 221353Z 30010KT 2SM -SN BR BKN006 OVC009 M01/M02 A2978 RMK AO2 SLP092 P0000 T10061017 |
| 06:40 MST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1008 mb (29.77 in) | NW 24 kph (NW 15 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KBOI 221340Z 30013KT 1 3/4SM -SN BR BKN006 BKN010 OVC029 M01/M02 A2977 RMK AO2 P0000 |
| 06:26 MST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1008 mb (29.77 in) | NW 20 kph (NW 12.7 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KBOI 221326Z 30011KT 2 1/2SM -SN BR BKN006 BKN010 OVC050 00/M01 A2977 RMK AO2 P0000 |
| 06:20 MST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1008 mb (29.77 in) | NW 19 kph (NW 11.5 mph) | 0.00 mm (0.00 in) | 4SM |
| | KBOI 221320Z 30010KT 4SM -SN BR SCT006 BKN010 OVC055 00/M02 A2977 RMK AO2 P0000 |
| 06:11 MST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1008 mb (29.77 in) | NW 20 kph (NW 12.7 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBOI 221311Z 30011KT 3SM -SN BR SCT008 BKN038 OVC060 00/M02 A2976 RMK AO2 P0000 |
| 06:02 MST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1008 mb (29.77 in) | NW 19 kph (NW 11.5 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KBOI 221302Z 30010KT 2 1/2SM -SN BR FEW010 SCT038 OVC060 00/M02 A2977 RMK AO2 P0000 |
| 05:51 MST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1008 mb (29.77 in) | NW 20 kph (NW 12.7 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KBOI 221251Z 30011KT 1 3/4SM -SN BR FEW008 BKN050 OVC065 00/M02 A2976 RMK AO2 SLP087 P0001 T00001017 |
| 05:50 MST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1008 mb (29.77 in) | NW 20 kph (NW 12.7 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KBOI 221250Z 30011KT 1 3/4SM -SN BR FEW008 BKN050 OVC065 00/M02 A2976 RMK AO2 P0001 |
| 05:37 MST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1008 mb (29.77 in) | WNW 17 kph (WNW 10.4 mph) | 0.25 mm (0.01 in) | 3SM |
| | KBOI 221237Z 29009KT 3SM -SN BR SCT004 BKN022 OVC065 00/M01 A2976 RMK AO2 P0001 |
| 05:15 MST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1007 mb (29.74 in) | WNW 20 kph (WNW 12.7 mph) | 0.25 mm (0.01 in) | 2SM |
| | KBOI 221215Z 29011KT 2SM -SN BR BKN004 OVC012 00/M01 A2975 RMK AO2 P0001 |
| 05:09 MST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1007 mb (29.74 in) | WNW 22 kph (WNW 13.8 mph) | 0.25 mm (0.01 in) | 1 1/4SM |
| | KBOI 221209Z 29012KT 1 1/4SM -SN BR BKN004 BKN008 OVC012 00/M01 A2975 RMK AO2 P0001 |
| 04:53 MST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1007 mb (29.74 in) | NW 22 kph (NW 13.8 mph) | 0.51 mm (0.02 in) | 3/4SM |
| | KBOI 221153Z 30012KT 3/4SM -SN BR OVC004 00/M01 A2974 RMK AO2 SLP079 P0002 60016 70016 T00001011 10033 20000 51016 |
| 04:33 MST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1007 mb (29.74 in) | NW 24 kph (NW 15 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KBOI 221133Z 30013KT 3/4SM -SN BR OVC004 00/M01 A2974 RMK AO2 P0001 |
| 04:23 MST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1007 mb (29.74 in) | WNW 22 kph (WNW 13.8 mph) | 0.25 mm (0.01 in) | 1SM |
| | KBOI 221123Z 29012KT 1SM -SN BR OVC004 00/M01 A2974 RMK AO2 P0001 |
| 04:11 MST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1007 mb (29.74 in) | NW 24 kph (NW 15 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KBOI 221111Z 30013KT 1 1/2SM -SN BR OVC004 00/M01 A2974 RMK AO2 P0000 |
| 03:55 MST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1007 mb (29.74 in) | NW 22 kph (NW 13.8 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KBOI 221055Z 30012KT 1 1/4SM -SN BR OVC004 01/M01 A2974 RMK AO2 P0000 |
| 03:53 MST |  Overcast Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1007 mb (29.74 in) | NW 24 kph (NW 15 mph) | 0.25 mm (0.01 in) | 2SM |
| | KBOI 221053Z 30013KT 2SM -SN BR OVC004 01/M01 A2974 RMK AO2 RAE01SNB01 SLP076 P0001 T00061006 |
| 03:22 MST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1007 mb (29.74 in) | NW 24 kph (NW 15 mph) | 0.25 mm (0.01 in) | 2SM |
| | KBOI 221022Z 30013KT 2SM -SN BR OVC004 01/00 A2973 RMK AO2 RAE01SNB01 CIG 002V008 P0001 |
| 03:07 MST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1006 mb (29.71 in) | NW 22 kph (NW 13.8 mph) | 0.25 mm (0.01 in) | 3SM |
| | KBOI 221007Z 30012KT 3SM -SN BR OVC004 01/00 A2972 RMK AO2 RAE01SNB01 CIG 003V008 P0001 |
| 02:53 MST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1006 mb (29.71 in) | NW 7 kph (NW 4.6 mph) | 1.27 mm (0.05 in) | 4SM |
| | KBOI 220953Z 30004KT 4SM -RA BR OVC006 02/01 A2971 RMK AO2 CIG 004V008 SLP066 P0005 T00170006 |
| 02:21 MST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1006 mb (29.71 in) | NNW 6 kph (NNW 3.5 mph) | 0.76 mm (0.03 in) | 3SM |
| | KBOI 220921Z AUTO 34003KT 3SM -RA BR BKN008 OVC013 02/01 A2970 RMK AO2 CIG 007V011 P0003 TSNO |
| 02:10 MST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1006 mb (29.71 in) | N 6 kph (N 3.5 mph) | 0.51 mm (0.02 in) | 3SM |
| | KBOI 220910Z AUTO 36003KT 3SM -RA BR BKN011 OVC019 02/01 A2970 RMK AO2 P0002 TSNO |
| 01:53 MST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1005 mb (29.68 in) | NE 6 kph (NE 3.5 mph) | 1.02 mm (0.04 in) | 4SM |
| | KBOI 220853Z AUTO 03003KT 4SM -RA BR OVC021 02/01 A2969 RMK AO2 SLP058 P0004 60008 T00220006 50000 TSNO |
| 01:26 MST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1005 mb (29.68 in) | NNE 6 kph (NNE 3.5 mph) | 0.51 mm (0.02 in) | 4SM |
| | KBOI 220826Z AUTO 02003KT 4SM -RA BR BKN023 OVC033 02/01 A2969 RMK AO2 P0002 TSNO |
| 00:53 MST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1006 mb (29.71 in) | Calm | 1.02 mm (0.04 in) | 5SM |
| | KBOI 220753Z AUTO 00000KT 5SM -RA BR SCT013 SCT021 OVC039 02/01 A2970 RMK AO2 SLP061 P0004 T00220006 TSNO |