| 09:52 CST |  Overcast Light Snow | -12°C / 10°F | -14°C / 7°F | 85% | 1028 mb (30.36 in) | Calm | 0.00 mm (0.00 in) | 8SM |
| | KISN 061552Z 00000KT 8SM -SN OVC032 M12/M14 A3037 RMK AO2 SLP336 P0000 T11171139 |
| 08:52 CST |  Overcast Light Snow | -13°C / 9°F | -14°C / 7°F | 92% | 1028 mb (30.36 in) | Calm | 0.00 mm (0.00 in) | 7SM |
| | KISN 061452Z 00000KT 7SM -SN OVC030 M13/M14 A3036 RMK AO2 SLP333 P0000 60000 T11281144 51005 |
| 07:57 CST |  Overcast Light Snow | -14°C / 7°F | -16°C / 3°F | 85% | 1028 mb (30.36 in) | Calm | 0.00 mm (0.00 in) | 6SM |
| | KISN 061357Z 00000KT 6SM -SN BR OVC030 M14/M16 A3036 RMK AO2 P0000 |
| 07:52 CST |  Overcast Light Snow | -14°C / 7°F | -16°C / 3°F | 85% | 1028 mb (30.36 in) | SW 6 kph (SW 3.5 mph) | 0.00 mm (0.00 in) | 7SM |
| | KISN 061352Z 22003KT 7SM -SN OVC028 M14/M16 A3036 RMK AO2 SNB12 SLP332 P0000 T11391156 |
| 06:52 CST |  Overcast | -15°C / 5°F | -17°C / 1°F | 85% | 1028 mb (30.36 in) | SW 7 kph (SW 4.6 mph) | 0.00 mm (0.00 in) | 9SM |
| | KISN 061252Z 21004KT 9SM OVC028 M15/M17 A3035 RMK AO2 SNE46 SLP331 P0000 T11501167 |
| 05:52 CST |  Overcast Light Snow | -16°C / 3°F | -17°C / 1°F | 92% | 1027 mb (30.33 in) | Calm | 0.00 mm (0.00 in) | 5SM |
| | KISN 061152Z 00000KT 5SM -SN BR OVC028 M16/M17 A3034 RMK AO2 SNB21 SLP328 P0000 60000 T11561172 11156 21206 51002 |
| 04:52 CST |  Overcast Fog And Mist | -16°C / 3°F | -18°C / 0°F | 85% | 1027 mb (30.33 in) | Calm | - | 6SM |
| | KISN 061052Z 00000KT 6SM BR OVC026 M16/M18 A3034 RMK AO2 SLP326 T11611183 |
| 03:52 CST |  Overcast | -17°C / 1°F | -19°C / -2°F | 85% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KISN 060952Z 00000KT 10SM OVC024 M17/M19 A3034 RMK AO2 SLP326 T11721194 |
| 03:06 CST |  Overcast | -19°C / -2°F | -21°C / -6°F | 84% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KISN 060906Z 00000KT 10SM BKN024 OVC044 M19/M21 A3034 RMK AO2 |
| 02:52 CST |  Overcast | -18°C / 0°F | -21°C / -6°F | 78% | 1027 mb (30.33 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KISN 060852Z 00000KT 10SM FEW024 SCT035 OVC046 M18/M21 A3033 RMK AO2 SNE00 SLP324 P0000 60000 T11831211 53010 |
| 01:52 CST |  Overcast Light Snow | -18°C / 0°F | -20°C / -4°F | 84% | 1027 mb (30.33 in) | NE 7 kph (NE 4.6 mph) | 0.00 mm (0.00 in) | 4SM |
| | KISN 060752Z 05004KT 4SM -SN BR OVC037 M18/M20 A3032 RMK AO2 SNB34 SLP318 P0000 T11781200 |
| 00:52 CST |  Overcast | -20°C / -4°F | -23°C / -9°F | 77% | 1026 mb (30.3 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KISN 060652Z 00000KT 10SM OVC039 M20/M23 A3031 RMK AO2 SNB25E37 SLP318 P0000 T12001228 |