| 11:52 CST |  Mostly Cloudy | -1°C / 30°F | -6°C / 21°F | 69% | 1013 mb (29.91 in) | NW 37 kph (NW 23 mph) | - | 10SM |
| | KISN 011752Z 30020G27KT 10SM BKN055 BKN070 M01/M06 A2991 RMK AO2 PK WND 30029/1736 SLP155 60000 T10111056 10000 21028 53022 |
| 10:52 CST |  Clear | -2°C / 28°F | -6°C / 21°F | 74% | 1013 mb (29.91 in) | NW 28 kph (NW 17.3 mph) | 0.00 mm (0.00 in) | 10SM |
| | KISN 011652Z 30015G24KT 10SM CLR M02/M06 A2990 RMK AO2 PK WND 32030/1607 SNE03 SLP150 P0000 T10171056 |
| 09:52 CST |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 1010 mb (29.83 in) | NW 33 kph (NW 20.7 mph) | 0.00 mm (0.00 in) | 5SM |
| | KISN 011552Z 31018G27KT 5SM -SN BR FEW025 BKN042 OVC095 M02/M04 A2984 RMK AO2 PK WND 32027/1547 SLP130 P0000 T10171039 |
| 09:31 CST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1010 mb (29.83 in) | NW 32 kph (NW 19.6 mph) | 0.00 mm (0.00 in) | 2SM |
| | KISN 011531Z 32017G26KT 2SM -SN BR BKN055 BKN070 OVC090 M01/M03 A2984 RMK AO2 PK WND 32026/1522 P0000 |
| 08:52 CST |  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) | 3SM |
| | KISN 011452Z 31018G26KT 3SM -SN BR FEW018 BKN048 OVC055 M01/M03 A2982 RMK AO2 PK WND 31026/1445 SLP122 P0000 60000 T10061028 51035 |
| 08:27 CST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1009 mb (29.8 in) | NW 32 kph (NW 19.6 mph) | 0.00 mm (0.00 in) | 4SM |
| | KISN 011427Z 32017G23KT 4SM -SN BR FEW032 BKN041 OVC095 M01/M02 A2981 RMK AO2 P0000 |
| 08:19 CST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1009 mb (29.8 in) | NW 28 kph (NW 17.3 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KISN 011419Z 32015KT 2 1/2SM -SN BR FEW029 BKN041 OVC095 M01/M02 A2981 RMK AO2 P0000 |
| 08:06 CST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1009 mb (29.8 in) | NW 26 kph (NW 16.1 mph) | 0.00 mm (0.00 in) | 6SM |
| | KISN 011406Z 31014KT 6SM -SN BR SCT029 OVC037 00/M02 A2981 RMK AO2 P0000 |
| 07:57 CST |  Mostly Cloudy Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1009 mb (29.8 in) | NW 30 kph (NW 18.4 mph) | 0.00 mm (0.00 in) | 7SM |
| | KISN 011357Z 31016G21KT 7SM -SN BKN027 BKN037 00/M03 A2980 RMK AO2 P0000 |
| 07:52 CST |  Mostly Cloudy Light Snow | 0°C / 32°F | -3°C / 27°F | 80% | 1009 mb (29.8 in) | NW 28 kph (NW 17.3 mph) | 0.00 mm (0.00 in) | 9SM |
| | KISN 011352Z 31015G21KT 9SM -SN SCT027 BKN037 00/M03 A2980 RMK AO2 SLP116 P0000 T00001028 |
| 06:59 CST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1008 mb (29.77 in) | NW 28 kph (NW 17.3 mph) | 0.00 mm (0.00 in) | 7SM |
| | KISN 011259Z 32015KT 7SM -SN BKN030 OVC035 00/M02 A2977 RMK AO2 P0000 |
| 06:52 CST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1008 mb (29.77 in) | NW 33 kph (NW 20.7 mph) | 0.00 mm (0.00 in) | 9SM |
| | KISN 011252Z 32018G24KT 9SM -SN FEW015 BKN028 OVC035 00/M02 A2977 RMK AO2 PK WND 32028/1153 SLP103 P0000 T00001022 |
| 06:47 CST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1008 mb (29.77 in) | NW 30 kph (NW 18.4 mph) | 0.00 mm (0.00 in) | 9SM |
| | KISN 011247Z 32016G24KT 9SM -SN FEW015 BKN028 OVC033 00/M02 A2977 RMK AO2 PK WND 32028/1153 P0000 |
| 06:38 CST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1008 mb (29.77 in) | NW 37 kph (NW 23 mph) | 0.00 mm (0.00 in) | 9SM |
| | KISN 011238Z 32020G25KT 9SM -SN SCT015 BKN030 OVC037 00/M02 A2976 RMK AO2 PK WND 32028/1153 P0000 |
| 06:33 CST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1007 mb (29.74 in) | NW 33 kph (NW 20.7 mph) | 0.00 mm (0.00 in) | 9SM |
| | KISN 011233Z 32018G25KT 9SM -SN BKN015 BKN032 OVC042 00/M02 A2975 RMK AO2 PK WND 32028/1153 P0000 |
| 06:27 CST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1007 mb (29.74 in) | NW 33 kph (NW 20.7 mph) | 0.00 mm (0.00 in) | 9SM |
| | KISN 011227Z 32018G26KT 9SM -SN SCT015 BKN030 OVC042 00/M02 A2975 RMK AO2 PK WND 32028/1153 P0000 |
| 05:52 CST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1006 mb (29.71 in) | NW 35 kph (NW 21.9 mph) | 0.00 mm (0.00 in) | 5SM |
| | KISN 011152Z 31019G27KT 5SM -SN BR FEW014 OVC024 00/M02 A2972 RMK AO2 PK WND 31030/1139 SNB11 SLP086 P0000 60000 T00001017 10022 21039 53041 |
| 05:43 CST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1006 mb (29.71 in) | NW 39 kph (NW 24.2 mph) | 0.00 mm (0.00 in) | 5SM |
| | KISN 011143Z 31021G30KT 5SM -SN BR SCT014 OVC024 00/M02 A2971 RMK AO2 PK WND 31030/1139 SNB11 PRESRR P0000 |
| 05:37 CST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1006 mb (29.71 in) | NW 35 kph (NW 21.9 mph) | 0.00 mm (0.00 in) | 4SM |
| | KISN 011137Z 31019G27KT 4SM -SN BR BKN014 OVC024 00/M02 A2970 RMK AO2 PK WND 31027/1131 SNB11 PRESRR P0000 |
| 05:31 CST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1005 mb (29.68 in) | NW 37 kph (NW 23 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KISN 011131Z 31020G27KT 2 1/2SM -SN BR BKN012 OVC024 00/M02 A2969 RMK AO2 PK WND 31027/1131 SNB11 P0000 |
| 04:52 CST |  Overcast | 1°C / 34°F | -2°C / 28°F | 81% | 1004 mb (29.65 in) | NW 28 kph (NW 17.3 mph) | - | 10SM |
| | KISN 011052Z 32015G22KT 10SM OVC010 01/M02 A2966 RMK AO2 PK WND 32026/0954 SLP064 T00061017 |
| 03:52 CST |  Overcast | 1°C / 34°F | -3°C / 27°F | 75% | 1002 mb (29.59 in) | NW 35 kph (NW 21.9 mph) | - | 10SM |
| | KISN 010952Z 31019G26KT 10SM OVC014 01/M03 A2959 RMK AO2 PK WND 32032/0932 SLP037 T00061028 |
| 03:50 CST |  Overcast | 1°C / 34°F | -3°C / 27°F | 75% | 1002 mb (29.59 in) | NW 33 kph (NW 20.7 mph) | - | 10SM |
| | KISN 010950Z 31018G26KT 10SM OVC014 01/M03 A2959 RMK AO2 PK WND 32032/0932 |
| 02:52 CST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1001 mb (29.56 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KISN 010852Z 25011G17KT 10SM OVC016 02/M02 A2956 RMK AO2 PK WND 27027/0817 SLP025 T00171017 53017 |
| 02:17 CST |  Mostly Cloudy | 2°C / 36°F | -3°C / 27°F | 70% | 1000 mb (29.53 in) | W 37 kph (W 23 mph) | - | 10SM |
| | KISN 010817Z 27020G27KT 10SM BKN026 02/M03 A2954 RMK AO2 PK WND 27027/0817 |
| 01:52 CST |  Clear | 0°C / 32°F | -4°C / 25°F | 75% | 1000 mb (29.53 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KISN 010752Z 21009KT 10SM CLR 00/M04 A2952 RMK AO2 SLP013 T00001039 |
| 00:52 CST |  Clear | 1°C / 34°F | -3°C / 27°F | 75% | 999 mb (29.5 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KISN 010652Z 24009KT 10SM CLR 01/M03 A2951 RMK AO2 SLP009 T00111033 |