| 18:55 EST |  Clear | -13°C / 9°F | -19°C / -2°F | 61% | 1016 mb (30 in) | SSW 26 kph (SSW 16.1 mph) | - | 10SM |
| | KIRS 102355Z AUTO 24014G23KT 10SM CLR M13/M19 A3001 RMK AO2 |
| 18:35 EST |  Clear | -13°C / 9°F | -19°C / -2°F | 61% | 1016 mb (30 in) | SSW 32 kph (SSW 19.6 mph) | - | 10SM |
| | KIRS 102335Z AUTO 24017G21KT 10SM CLR M13/M19 A3000 RMK AO2 |
| 18:15 EST |  Clear | -13°C / 9°F | -19°C / -2°F | 61% | 1016 mb (30 in) | SSW 26 kph (SSW 16.1 mph) | - | 10SM |
| | KIRS 102315Z AUTO 24014G20KT 10SM CLR M13/M19 A3000 RMK AO2 |
| 17:55 EST |  Clear | -13°C / 9°F | -18°C / 0°F | 66% | 1015 mb (29.97 in) | SSW 30 kph (SSW 18.4 mph) | - | 10SM |
| | KIRS 102255Z AUTO 24016G22KT 10SM CLR M13/M18 A2998 RMK AO2 |
| 17:35 EST |  Partly Cloudy | -12°C / 10°F | -18°C / 0°F | 61% | 1015 mb (29.97 in) | SSW 28 kph (SSW 17.3 mph) | - | 10SM |
| | KIRS 102235Z AUTO 24015G20KT 10SM SCT042 M12/M18 A2998 RMK AO2 |
| 17:15 EST |  Overcast | -12°C / 10°F | -18°C / 0°F | 61% | 1015 mb (29.97 in) | SSW 32 kph (SSW 19.6 mph) | - | 10SM |
| | KIRS 102215Z AUTO 24017G26KT 10SM SCT030 SCT035 OVC044 M12/M18 A2997 RMK AO2 |
| 16:55 EST |  Mostly Cloudy | -12°C / 10°F | -18°C / 0°F | 61% | 1015 mb (29.97 in) | SSW 32 kph (SSW 19.6 mph) | - | 10SM |
| | KIRS 102155Z AUTO 24017G24KT 10SM SCT033 BKN046 M12/M18 A2996 RMK AO2 |
| 16:35 EST |  Mostly Cloudy | -12°C / 10°F | -17°C / 1°F | 67% | 1014 mb (29.94 in) | SSW 28 kph (SSW 17.3 mph) | - | 10SM |
| | KIRS 102135Z AUTO 24015G24KT 10SM SCT036 BKN046 M12/M17 A2995 RMK AO2 |
| 16:15 EST |  Clear | -12°C / 10°F | -18°C / 0°F | 61% | 1014 mb (29.94 in) | SSW 30 kph (SSW 18.4 mph) | - | 10SM |
| | KIRS 102115Z AUTO 24016G20KT 10SM CLR M12/M18 A2994 RMK AO2 |
| 15:55 EST |  Clear | -12°C / 10°F | -17°C / 1°F | 67% | 1014 mb (29.94 in) | SSW 28 kph (SSW 17.3 mph) | - | 10SM |
| | KIRS 102055Z AUTO 25015G26KT 10SM CLR M12/M17 A2993 RMK AO2 |
| 15:35 EST |  Clear | -11°C / 12°F | -18°C / 0°F | 57% | 1013 mb (29.91 in) | SSW 33 kph (SSW 20.7 mph) | - | 10SM |
| | KIRS 102035Z AUTO 25018G27KT 10SM CLR M11/M18 A2992 RMK AO2 |
| 15:15 EST |  Clear | -11°C / 12°F | -17°C / 1°F | 62% | 1013 mb (29.91 in) | SSW 28 kph (SSW 17.3 mph) | - | 10SM |
| | KIRS 102015Z AUTO 25015G25KT 10SM CLR M11/M17 A2991 RMK AO2 |
| 14:55 EST |  Clear | -11°C / 12°F | -17°C / 1°F | 62% | 1013 mb (29.91 in) | SSW 37 kph (SSW 23 mph) | - | 10SM |
| | KIRS 101955Z AUTO 26020G27KT 10SM CLR M11/M17 A2990 RMK AO2 |
| 14:35 EST |  Clear | -11°C / 12°F | -17°C / 1°F | 62% | 1012 mb (29.88 in) | SSW 30 kph (SSW 18.4 mph) | - | 10SM |
| | KIRS 101935Z AUTO 25016G24KT 10SM CLR M11/M17 A2989 RMK AO2 |
| 14:15 EST |  Clear | -12°C / 10°F | -17°C / 1°F | 67% | 1012 mb (29.88 in) | SSW 32 kph (SSW 19.6 mph) | - | 10SM |
| | KIRS 101915Z AUTO 25017G23KT 10SM CLR M12/M17 A2988 RMK AO2 |
| 13:55 EST |  Partly Cloudy | -12°C / 10°F | -18°C / 0°F | 61% | 1012 mb (29.88 in) | SSW 33 kph (SSW 20.7 mph) | - | 10SM |
| | KIRS 101855Z AUTO 24018G27KT 10SM SCT029 M12/M18 A2987 RMK AO2 |
| 13:35 EST |  Partly Cloudy | -12°C / 10°F | -18°C / 0°F | 61% | 1012 mb (29.88 in) | SSW 35 kph (SSW 21.9 mph) | - | 10SM |
| | KIRS 101835Z AUTO 24019G27KT 10SM SCT028 SCT042 M12/M18 A2987 RMK AO2 |
| 13:15 EST |  Partly Cloudy | -13°C / 9°F | -17°C / 1°F | 72% | 1011 mb (29.85 in) | SSW 35 kph (SSW 21.9 mph) | - | 10SM |
| | KIRS 101815Z AUTO 24019G27KT 10SM SCT028 SCT040 M13/M17 A2986 RMK AO2 |
| 12:55 EST |  Mostly Cloudy | -13°C / 9°F | -17°C / 1°F | 72% | 1011 mb (29.85 in) | SSW 28 kph (SSW 17.3 mph) | - | 10SM |
| | KIRS 101755Z AUTO 24015G24KT 10SM SCT030 BKN040 M13/M17 A2986 RMK AO2 |
| 12:35 EST |  Overcast | -13°C / 9°F | -18°C / 0°F | 66% | 1011 mb (29.85 in) | SSW 35 kph (SSW 21.9 mph) | - | 10SM |
| | KIRS 101735Z AUTO 24019G26KT 10SM SCT030 OVC040 M13/M18 A2986 RMK AO2 |
| 12:15 EST |  Mostly Cloudy | -13°C / 9°F | -18°C / 0°F | 66% | 1011 mb (29.85 in) | SW 32 kph (SW 19.6 mph) | - | 10SM |
| | KIRS 101715Z AUTO 23017G27KT 10SM SCT030 BKN040 M13/M18 A2986 RMK AO2 |
| 11:55 EST |  Mostly Cloudy | -13°C / 9°F | -18°C / 0°F | 66% | 1011 mb (29.85 in) | SSW 35 kph (SSW 21.9 mph) | - | 10SM |
| | KIRS 101655Z AUTO 24019G22KT 10SM SCT028 BKN040 M13/M18 A2986 RMK AO2 |
| 11:35 EST |  Partly Cloudy | -13°C / 9°F | -18°C / 0°F | 66% | 1011 mb (29.85 in) | SSW 35 kph (SSW 21.9 mph) | - | 10SM |
| | KIRS 101635Z AUTO 24019G24KT 10SM SCT026 SCT040 M13/M18 A2985 RMK AO2 |
| 11:15 EST |  Clear | -13°C / 9°F | -18°C / 0°F | 66% | 1011 mb (29.85 in) | SSW 32 kph (SSW 19.6 mph) | - | 10SM |
| | KIRS 101615Z AUTO 25017G23KT 10SM CLR M13/M18 A2986 RMK AO2 |
| 10:55 EST |  Clear | -14°C / 7°F | -18°C / 0°F | 72% | 1011 mb (29.85 in) | SSW 32 kph (SSW 19.6 mph) | - | 10SM |
| | KIRS 101555Z AUTO 24017G22KT 10SM CLR M14/M18 A2985 RMK AO2 |
| 10:35 EST |  Partly Cloudy | -14°C / 7°F | -18°C / 0°F | 72% | 1011 mb (29.85 in) | SSW 33 kph (SSW 20.7 mph) | - | 10SM |
| | KIRS 101535Z AUTO 24018G22KT 10SM SCT023 SCT035 M14/M18 A2985 RMK AO2 |
| 10:15 EST |  Partly Cloudy | -14°C / 7°F | -18°C / 0°F | 72% | 1010 mb (29.83 in) | SSW 32 kph (SSW 19.6 mph) | - | 10SM |
| | KIRS 101515Z AUTO 24017G26KT 10SM SCT024 SCT035 M14/M18 A2984 RMK AO2 |
| 09:55 EST |  Mostly Cloudy | -14°C / 7°F | -18°C / 0°F | 72% | 1010 mb (29.83 in) | SSW 33 kph (SSW 20.7 mph) | - | 7SM |
| | KIRS 101455Z AUTO 24018G24KT 7SM SCT024 BKN035 M14/M18 A2983 RMK AO2 |
| 09:35 EST |  Overcast Hazy | -15°C / 5°F | -18°C / 0°F | 78% | 1010 mb (29.83 in) | SSW 32 kph (SSW 19.6 mph) | - | 4SM |
| | KIRS 101435Z AUTO 25017G26KT 4SM HZ SCT023 OVC033 M15/M18 A2982 RMK AO2 |
| 09:15 EST |  Overcast Hazy | -14°C / 7°F | -18°C / 0°F | 72% | 1010 mb (29.83 in) | SSW 33 kph (SSW 20.7 mph) | - | 3SM |
| | KIRS 101415Z AUTO 24018G25KT 3SM HZ OVC031 M14/M18 A2982 RMK AO2 |
| 08:55 EST |  Overcast Hazy | -14°C / 7°F | -18°C / 0°F | 72% | 1009 mb (29.8 in) | SSW 28 kph (SSW 17.3 mph) | - | 3SM |
| | KIRS 101355Z AUTO 24015G24KT 3SM HZ OVC029 M14/M18 A2981 RMK AO2 |
| 08:35 EST |  Overcast Hazy | -14°C / 7°F | -18°C / 0°F | 72% | 1009 mb (29.8 in) | SSW 35 kph (SSW 21.9 mph) | - | 4SM |
| | KIRS 101335Z AUTO 25019G24KT 4SM HZ OVC027 M14/M18 A2980 RMK AO2 |
| 08:15 EST |  Overcast Hazy | -14°C / 7°F | -18°C / 0°F | 72% | 1009 mb (29.8 in) | SW 37 kph (SW 23 mph) | - | 5SM |
| | KIRS 101315Z AUTO 23020G25KT 5SM HZ OVC025 M14/M18 A2979 RMK AO2 |
| 07:55 EST |  Overcast | -14°C / 7°F | -17°C / 1°F | 78% | 1008 mb (29.77 in) | SSW 33 kph (SSW 20.7 mph) | - | 7SM |
| | KIRS 101255Z AUTO 24018G22KT 7SM OVC023 M14/M17 A2978 RMK AO2 |
| 07:35 EST |  Overcast | -14°C / 7°F | -17°C / 1°F | 78% | 1008 mb (29.77 in) | SSW 28 kph (SSW 17.3 mph) | - | 7SM |
| | KIRS 101235Z AUTO 24015G22KT 7SM OVC019 M14/M17 A2977 RMK AO2 |
| 07:15 EST |  Overcast Hazy | -13°C / 9°F | -16°C / 3°F | 78% | 1008 mb (29.77 in) | SSW 35 kph (SSW 21.9 mph) | - | 5SM |
| | KIRS 101215Z AUTO 24019G23KT 5SM HZ OVC019 M13/M16 A2976 RMK AO2 |
| 06:55 EST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1007 mb (29.74 in) | SSW 32 kph (SSW 19.6 mph) | - | 10SM |
| | KIRS 101155Z AUTO 24017G24KT 10SM OVC019 M13/M16 A2975 RMK AO2 |
| 06:35 EST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1007 mb (29.74 in) | SSW 35 kph (SSW 21.9 mph) | - | 7SM |
| | KIRS 101135Z AUTO 25019G24KT 7SM BKN019 BKN024 OVC060 M13/M16 A2974 RMK AO2 |
| 06:15 EST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1007 mb (29.74 in) | SSW 28 kph (SSW 17.3 mph) | - | 7SM |
| | KIRS 101115Z AUTO 24015G24KT 7SM SCT024 BKN049 OVC060 M13/M16 A2973 RMK AO2 |
| 05:55 EST |  Overcast Light Snow | -13°C / 9°F | -15°C / 5°F | 85% | 1006 mb (29.71 in) | SSW 33 kph (SSW 20.7 mph) | - | 4SM |
| | KIRS 101055Z AUTO 25018G23KT 4SM -SN SCT024 BKN047 OVC060 M13/M15 A2972 RMK AO2 |
| 05:35 EST |  Overcast Light Snow | -13°C / 9°F | -15°C / 5°F | 85% | 1006 mb (29.71 in) | SSW 28 kph (SSW 17.3 mph) | - | 3SM |
| | KIRS 101035Z AUTO 25015G21KT 3SM -SN OVC024 M13/M15 A2972 RMK AO2 |
| 05:15 EST |  Overcast Light Snow | -12°C / 10°F | -15°C / 5°F | 79% | 1006 mb (29.71 in) | SSW 32 kph (SSW 19.6 mph) | - | 3SM |
| | KIRS 101015Z AUTO 24017G22KT 3SM -SN OVC020 M12/M15 A2972 RMK AO2 |
| 04:55 EST |  Overcast Light Snow | -12°C / 10°F | -14°C / 7°F | 85% | 1006 mb (29.71 in) | SSW 30 kph (SSW 18.4 mph) | - | 7SM |
| | KIRS 100955Z AUTO 24016G24KT 7SM -SN OVC020 M12/M14 A2970 RMK AO2 |
| 04:35 EST |  Overcast Light Snow | -12°C / 10°F | -14°C / 7°F | 85% | 1005 mb (29.68 in) | SSW 32 kph (SSW 19.6 mph) | - | 7SM |
| | KIRS 100935Z AUTO 24017G24KT 7SM -SN OVC020 M12/M14 A2969 RMK AO2 |
| 04:15 EST |  Overcast Light Snow | -11°C / 12°F | -14°C / 7°F | 79% | 1005 mb (29.68 in) | SSW 26 kph (SSW 16.1 mph) | - | 5SM |
| | KIRS 100915Z AUTO 24014KT 5SM -SN OVC018 M11/M14 A2968 RMK AO2 |
| 03:55 EST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1005 mb (29.68 in) | SSW 35 kph (SSW 21.9 mph) | - | 7SM |
| | KIRS 100855Z AUTO 24019G22KT 7SM -SN OVC018 M11/M13 A2968 RMK AO2 |
| 03:35 EST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1005 mb (29.68 in) | SSW 30 kph (SSW 18.4 mph) | - | 10SM |
| | KIRS 100835Z AUTO 25016G25KT 10SM -SN OVC020 M10/M13 A2968 RMK AO2 |
| 03:15 EST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1004 mb (29.65 in) | SSW 32 kph (SSW 19.6 mph) | - | 10SM |
| | KIRS 100815Z AUTO 25017G21KT 10SM -SN BKN020 BKN024 OVC032 M10/M13 A2966 RMK AO2 |
| 02:55 EST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1004 mb (29.65 in) | SSW 30 kph (SSW 18.4 mph) | - | 10SM |
| | KIRS 100755Z AUTO 24016G22KT 10SM -SN BKN020 BKN024 OVC032 M09/M12 A2964 RMK AO2 |
| 02:35 EST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1003 mb (29.62 in) | SSW 24 kph (SSW 15 mph) | - | 10SM |
| | KIRS 100735Z AUTO 25013G20KT 10SM -SN OVC016 M09/M12 A2963 RMK AO2 |
| 02:15 EST |  Overcast Light Snow | -9°C / 16°F | -12°C / 10°F | 79% | 1003 mb (29.62 in) | SSW 26 kph (SSW 16.1 mph) | - | 7SM |
| | KIRS 100715Z AUTO 25014G22KT 7SM -SN OVC016 M09/M12 A2961 RMK AO2 |
| 01:55 EST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1002 mb (29.59 in) | SSW 28 kph (SSW 17.3 mph) | - | 4SM |
| | KIRS 100655Z AUTO 24015G19KT 4SM -SN SCT016 BKN028 OVC034 M09/M11 A2960 RMK AO2 |
| 01:35 EST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1002 mb (29.59 in) | SSW 28 kph (SSW 17.3 mph) | - | 4SM |
| | KIRS 100635Z AUTO 24015G19KT 4SM -SN SCT027 BKN036 OVC042 M09/M11 A2959 RMK AO2 |
| 01:15 EST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1002 mb (29.59 in) | SSW 26 kph (SSW 16.1 mph) | - | 4SM |
| | KIRS 100615Z AUTO 24014G21KT 4SM -SN SCT032 BKN038 OVC044 M08/M11 A2958 RMK AO2 |
| 00:55 EST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1001 mb (29.56 in) | SSW 32 kph (SSW 19.6 mph) | - | 5SM |
| | KIRS 100555Z AUTO 24017G25KT 5SM -SN SCT031 BKN040 OVC047 M08/M11 A2957 RMK AO2 |
| 00:35 EST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1001 mb (29.56 in) | SSW 28 kph (SSW 17.3 mph) | - | 5SM |
| | KIRS 100535Z AUTO 24015G21KT 5SM -SN SCT033 BKN042 OVC070 M08/M11 A2955 RMK AO2 |
| 00:15 EST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1000 mb (29.53 in) | SSW 28 kph (SSW 17.3 mph) | - | 5SM |
| | KIRS 100515Z AUTO 24015G21KT 5SM -SN SCT017 BKN040 OVC070 M08/M11 A2954 RMK AO2 |