| 16:52 CST |  Overcast | -22°C / -8°F | -26°C / -15°F | 70% | 1025 mb (30.27 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KISN 142252Z 24009KT 10SM OVC075 M22/M26 A3027 RMK AO2 SLP317 T12221261 |
| 16:12 CST |  Partly Cloudy | -22°C / -8°F | -27°C / -17°F | 64% | 1025 mb (30.27 in) | W 13 kph (W 8.1 mph) | - | 9SM |
| | KISN 142212Z 27007KT 9SM SCT021 SCT035 M22/M27 A3026 RMK AO2 |
| 15:52 CST |  Mostly Cloudy Hazy | -22°C / -8°F | -26°C / -15°F | 70% | 1024 mb (30.24 in) | WNW 13 kph (WNW 8.1 mph) | 0.00 mm (0.00 in) | 4SM |
| | KISN 142152Z 29007KT 4SM HZ BKN017 BKN038 M22/M26 A3025 RMK AO2 SNE41 SLP310 P0000 T12221261 |
| 15:38 CST |  Overcast Light Snow | -22°C / -8°F | -26°C / -15°F | 70% | 1024 mb (30.24 in) | W 19 kph (W 11.5 mph) | 0.00 mm (0.00 in) | 3SM |
| | KISN 142138Z 28010KT 3SM -SN OVC015 M22/M26 A3024 RMK AO2 P0000 |
| 15:35 CST |  Overcast Light Snow | -22°C / -8°F | -26°C / -15°F | 70% | 1024 mb (30.24 in) | W 15 kph (W 9.2 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KISN 142135Z 27008KT 2 1/2SM -SN OVC013 M22/M26 A3024 RMK AO2 P0000 |
| 15:23 CST |  Overcast Light Snow | -22°C / -8°F | -26°C / -15°F | 70% | 1024 mb (30.24 in) | WNW 17 kph (WNW 10.4 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KISN 142123Z 29009KT 1 1/2SM -SN OVC013 M22/M26 A3023 RMK AO2 P0000 |
| 15:18 CST |  Overcast Light Snow | -22°C / -8°F | -26°C / -15°F | 70% | 1024 mb (30.24 in) | WNW 13 kph (WNW 8.1 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KISN 142118Z 29007KT 1 1/2SM -SN OVC015 M22/M26 A3024 RMK AO2 P0000 |
| 15:06 CST |  Overcast Light Snow | -22°C / -8°F | -26°C / -15°F | 70% | 1024 mb (30.24 in) | W 15 kph (W 9.2 mph) | 0.00 mm (0.00 in) | 2SM |
| | KISN 142106Z 27008KT 2SM -SN OVC015 M22/M26 A3023 RMK AO2 P0000 |
| 14:52 CST |  Overcast Light Snow | -22°C / -8°F | -27°C / -17°F | 64% | 1023 mb (30.21 in) | W 15 kph (W 9.2 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KISN 142052Z 28008KT 1 3/4SM -SN OVC015 M22/M27 A3022 RMK AO2 SLP301 P0000 60000 T12221267 51003 |
| 14:41 CST |  Overcast Light Snow | -22°C / -8°F | -26°C / -15°F | 70% | 1024 mb (30.24 in) | W 13 kph (W 8.1 mph) | 0.00 mm (0.00 in) | 2SM |
| | KISN 142041Z 27007KT 2SM -SN OVC015 M22/M26 A3023 RMK AO2 P0000 |
| 14:34 CST |  Overcast Light Snow | -22°C / -8°F | -27°C / -17°F | 64% | 1024 mb (30.24 in) | SSW 17 kph (SSW 10.4 mph) | 0.00 mm (0.00 in) | 2SM |
| | KISN 142034Z 26009KT 2SM -SN OVC013 M22/M27 A3023 RMK AO2 P0000 |
| 14:20 CST |  Overcast Light Snow | -22°C / -8°F | -27°C / -17°F | 64% | 1023 mb (30.21 in) | SSW 15 kph (SSW 9.2 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KISN 142020Z 26008KT 1 1/2SM -SN OVC013 M22/M27 A3022 RMK AO2 P0000 |
| 14:10 CST |  Overcast Light Snow | -22°C / -8°F | -27°C / -17°F | 64% | 1023 mb (30.21 in) | W 15 kph (W 9.2 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KISN 142010Z 28008KT 1 3/4SM -SN OVC015 M22/M27 A3022 RMK AO2 P0000 |
| 14:05 CST |  Overcast Light Snow | -22°C / -8°F | -27°C / -17°F | 64% | 1023 mb (30.21 in) | SSW 13 kph (SSW 8.1 mph) | 0.00 mm (0.00 in) | 2SM |
| | KISN 142005Z 26007KT 2SM -SN OVC015 M22/M27 A3022 RMK AO2 P0000 |
| 13:52 CST |  Overcast Light Snow | -23°C / -9°F | -27°C / -17°F | 70% | 1023 mb (30.21 in) | SSW 11 kph (SSW 6.9 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KISN 141952Z 25006KT 1 1/2SM -SN OVC017 M23/M27 A3022 RMK AO2 SNB39 SLP298 P0000 T12281272 |
| 13:38 CST |  Mostly Cloudy Hazy | -22°C / -8°F | -27°C / -17°F | 64% | 1024 mb (30.24 in) | W 13 kph (W 8.1 mph) | - | 5SM |
| | KISN 141938Z 28007KT 5SM HZ BKN023 M22/M27 A3023 RMK AO2 |
| 12:52 CST |  Clear | -22°C / -8°F | -28°C / -18°F | 58% | 1024 mb (30.24 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KISN 141852Z 29009KT 10SM CLR M22/M28 A3023 RMK AO2 SLP303 T12221278 |
| 11:52 CST |  Clear | -22°C / -8°F | -28°C / -18°F | 58% | 1023 mb (30.21 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KISN 141752Z 29005KT 10SM CLR M22/M28 A3021 RMK AO2 SLP297 60000 T12221278 11222 21272 50013 |
| 10:52 CST |  Clear | -24°C / -11°F | -28°C / -18°F | 70% | 1023 mb (30.21 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KISN 141652Z 31007KT 10SM CLR M24/M28 A3022 RMK AO2 SLP302 T12391283 |
| 09:52 CST |  Clear | -24°C / -11°F | -28°C / -18°F | 70% | 1022 mb (30.18 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KISN 141552Z 30006KT 10SM CLR M24/M28 A3019 RMK AO2 SLP293 T12441283 |
| 08:52 CST |  Clear | -27°C / -17°F | -29°C / -20°F | 83% | 1022 mb (30.18 in) | WNW 11 kph (WNW 6.9 mph) | - | 10SM |
| | KISN 141452Z 29006KT 10SM CLR M27/M29 A3017 RMK AO2 SLP288 60000 T12671294 53005 |
| 07:52 CST |  Clear | -26°C / -15°F | -29°C / -20°F | 76% | 1021 mb (30.15 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KISN 141352Z 00000KT 10SM CLR M26/M29 A3016 RMK AO2 SNE1258 SLP283 P0000 T12561289 |
| 06:52 CST |  Clear Light Snow | -24°C / -11°F | -28°C / -18°F | 70% | 1022 mb (30.18 in) | SSW 6 kph (SSW 3.5 mph) | 0.00 mm (0.00 in) | 9SM |
| | KISN 141252Z 26003KT 9SM -SN CLR M24/M28 A3017 RMK AO2 SLP284 P0000 T12441278 |
| 05:52 CST |  Overcast Light Snow | -23°C / -9°F | -27°C / -17°F | 70% | 1021 mb (30.15 in) | SSW 6 kph (SSW 3.5 mph) | 0.25 mm (0.01 in) | 4SM |
| | KISN 141152Z 25003KT 4SM -SN BKN043 OVC050 M23/M27 A3016 RMK AO2 SLP282 P0001 60003 70003 T12331267 11222 21233 51009 |
| 05:25 CST |  Overcast Light Snow | -23°C / -9°F | -27°C / -17°F | 70% | 1021 mb (30.15 in) | WNW 6 kph (WNW 3.5 mph) | 0.00 mm (0.00 in) | 7SM |
| | KISN 141125Z 29003KT 7SM -SN BKN035 OVC047 M23/M27 A3016 RMK AO2 P0000 |
| 05:14 CST |  Overcast Light Snow | -23°C / -9°F | -27°C / -17°F | 70% | 1021 mb (30.15 in) | WNW 7 kph (WNW 4.6 mph) | 0.00 mm (0.00 in) | 4SM |
| | KISN 141114Z 29004KT 4SM -SN BKN028 OVC037 M23/M27 A3016 RMK AO2 P0000 |
| 04:52 CST |  Overcast Light Snow | -23°C / -9°F | -27°C / -17°F | 70% | 1021 mb (30.15 in) | NW 9 kph (NW 5.8 mph) | 0.00 mm (0.00 in) | 9SM |
| | KISN 141052Z 31005KT 9SM -SN BKN034 OVC110 M23/M27 A3015 RMK AO2 SLP278 P0000 T12331272 |
| 04:30 CST |  Overcast Light Snow | -23°C / -9°F | -27°C / -17°F | 70% | 1021 mb (30.15 in) | NW 9 kph (NW 5.8 mph) | 0.00 mm (0.00 in) | 6SM |
| | KISN 141030Z 31005KT 6SM -SN SCT025 OVC110 M23/M27 A3015 RMK AO2 P0000 |
| 03:52 CST |  Overcast Light Snow | -23°C / -9°F | -27°C / -17°F | 70% | 1021 mb (30.15 in) | NW 11 kph (NW 6.9 mph) | 0.00 mm (0.00 in) | 5SM |
| | KISN 140952Z 32006KT 5SM -SN BKN029 OVC039 M23/M27 A3014 RMK AO2 SLP272 P0000 T12281267 |
| 02:52 CST |  Overcast Light Snow | -23°C / -9°F | -27°C / -17°F | 70% | 1020 mb (30.12 in) | WNW 7 kph (WNW 4.6 mph) | 0.25 mm (0.01 in) | 5SM |
| | KISN 140852Z 29004KT 5SM -SN BKN023 OVC045 M23/M27 A3013 RMK AO2 SLP268 P0001 60002 T12281267 51007 |
| 01:52 CST |  Overcast Light Snow | -23°C / -9°F | -26°C / -15°F | 77% | 1020 mb (30.12 in) | W 6 kph (W 3.5 mph) | 0.25 mm (0.01 in) | 3SM |
| | KISN 140752Z 28003KT 3SM -SN BKN025 BKN037 OVC044 M23/M26 A3012 RMK AO2 SLP267 P0001 T12281261 |
| 01:23 CST |  Overcast Light Snow | -23°C / -9°F | -27°C / -17°F | 70% | 1020 mb (30.12 in) | NW 9 kph (NW 5.8 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KISN 140723Z 30005KT 2 1/2SM -SN OVC029 M23/M27 A3012 RMK AO2 P0001 |
| 00:52 CST |  Overcast Light Snow | -23°C / -9°F | -27°C / -17°F | 70% | 1020 mb (30.12 in) | W 6 kph (W 3.5 mph) | 0.00 mm (0.00 in) | 3SM |
| | KISN 140652Z 27003KT 3SM -SN SCT041 OVC060 M23/M27 A3011 RMK AO2 SNB06 SLP264 P0000 T12281272 |