| 16:52 CST |  Clear | -11°C / 12°F | -14°C / 7°F | 79% | 1011 mb (29.85 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KBIS 042252Z 07004KT 10SM CLR M11/M14 A2986 RMK AO2 SLP148 T11061139 |
| 15:52 CST |  Clear | -8°C / 18°F | -13°C / 9°F | 68% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KBIS 042152Z 00000KT 10SM CLR M08/M13 A2987 RMK AO2 SLP148 T10781128 |
| 14:52 CST |  Clear | -8°C / 18°F | -13°C / 9°F | 68% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KBIS 042052Z 00000KT 10SM CLR M08/M13 A2987 RMK AO2 SLP149 T10781128 56023 |
| 13:52 CST |  Clear | -9°C / 16°F | -13°C / 9°F | 73% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KBIS 041952Z 00000KT 10SM CLR M09/M13 A2989 RMK AO2 SLP155 T10891133 |
| 12:52 CST |  Clear | -11°C / 12°F | -14°C / 7°F | 79% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KBIS 041852Z 00000KT 10SM CLR M11/M14 A2991 RMK AO2 SLP163 T11061139 |
| 11:52 CST |  Partly Cloudy | -12°C / 10°F | -15°C / 5°F | 79% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KBIS 041752Z 00000KT 10SM FEW004 SCT009 M12/M15 A2994 RMK AO2 SLP176 60000 T11221150 11117 21167 58017 |
| 10:52 CST |  Partly Cloudy | -13°C / 9°F | -16°C / 3°F | 78% | 1015 mb (29.97 in) | Calm | - | 9SM |
| | KBIS 041652Z 00000KT 9SM SCT007 SCT011 M13/M16 A2998 RMK AO2 SLP190 T11281161 |
| 09:52 CST |  Overcast | -15°C / 5°F | -17°C / 1°F | 85% | 1016 mb (30 in) | Calm | - | 8SM |
| | KBIS 041552Z 00000KT 8SM BKN008 OVC013 M15/M17 A3000 RMK AO2 SLP197 T11501172 |
| 08:52 CST |  Overcast | -16°C / 3°F | -18°C / 0°F | 85% | 1016 mb (30 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KBIS 041452Z 23003KT 10SM OVC006 M16/M18 A3000 RMK AO2 SLP196 60000 T11611178 56021 |
| 08:14 CST |  Overcast | -15°C / 5°F | -17°C / 1°F | 85% | 1016 mb (30 in) | SW 11 kph (SW 6.9 mph) | - | 9SM |
| | KBIS 041414Z 23006KT 9SM OVC008 M15/M17 A3000 RMK AO2 |
| 07:52 CST |  Overcast | -14°C / 7°F | -16°C / 3°F | 85% | 1016 mb (30 in) | SW 11 kph (SW 6.9 mph) | - | 7SM |
| | KBIS 041352Z 22006KT 7SM OVC010 M14/M16 A3001 RMK AO2 SLP200 T11391161 |
| 06:52 CST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1017 mb (30.03 in) | WNW 7 kph (WNW 4.6 mph) | 0.00 mm (0.00 in) | 9SM |
| | KBIS 041252Z 29004KT 9SM OVC014 M13/M16 A3003 RMK AO2 SNB08E18 SLP208 P0000 T11331156 |
| 05:52 CST |  Overcast | -14°C / 7°F | -17°C / 1°F | 78% | 1018 mb (30.06 in) | W 11 kph (W 6.9 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBIS 041152Z 28006KT 10SM OVC014 M14/M17 A3006 RMK AO2 SNE37 SLP218 P0000 60000 T11391167 11094 21144 58017 |
| 05:19 CST |  Overcast Light Snow | -14°C / 7°F | -17°C / 1°F | 78% | 1019 mb (30.09 in) | W 13 kph (W 8.1 mph) | 0.00 mm (0.00 in) | 5SM |
| | KBIS 041119Z 28007KT 5SM -SN BR OVC014 M14/M17 A3008 RMK AO2 P0000 |
| 04:52 CST |  Overcast Light Snow | -14°C / 7°F | -17°C / 1°F | 78% | 1019 mb (30.09 in) | W 13 kph (W 8.1 mph) | 0.00 mm (0.00 in) | 6SM |
| | KBIS 041052Z 27007KT 6SM -SN OVC016 M14/M17 A3008 RMK AO2 SNE02B44 SLP224 P0000 T11391167 |
| 03:52 CST |  Overcast Light Snow | -12°C / 10°F | -15°C / 5°F | 79% | 1019 mb (30.09 in) | W 17 kph (W 10.4 mph) | 0.00 mm (0.00 in) | 6SM |
| | KBIS 040952Z 28009KT 6SM -SN OVC016 M12/M15 A3009 RMK AO2 SNE09B26 SLP227 P0000 T11221150 |
| 02:52 CST |  Overcast Light Snow | -11°C / 12°F | -14°C / 7°F | 79% | 1020 mb (30.12 in) | W 13 kph (W 8.1 mph) | 0.00 mm (0.00 in) | 9SM |
| | KBIS 040852Z 27007KT 9SM -SN OVC016 M11/M14 A3011 RMK AO2 SNE0759B30 SLP232 P0000 60000 T11111144 58018 |
| 02:42 CST |  Overcast Light Snow | -11°C / 12°F | -14°C / 7°F | 79% | 1020 mb (30.12 in) | W 17 kph (W 10.4 mph) | 0.00 mm (0.00 in) | 8SM |
| | KBIS 040842Z 28009KT 8SM -SN OVC016 M11/M14 A3012 RMK AO2 SNE0759B30 P0000 |
| 01:52 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1021 mb (30.15 in) | WNW 17 kph (WNW 10.4 mph) | 0.00 mm (0.00 in) | 7SM |
| | KBIS 040752Z 29009KT 7SM -SN OVC014 M11/M13 A3014 RMK AO2 SNB44 SLP239 P0000 T11061133 |
| 00:52 CST |  Overcast | -10°C / 14°F | -13°C / 9°F | 79% | 1021 mb (30.15 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KBIS 040652Z 32011KT 10SM OVC016 M10/M13 A3015 RMK AO2 SLP243 T11001133 |