| 19:54 CST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1021 mb (30.15 in) | S 15 kph (S 9.2 mph) | - | 10SM |
| | KDEC 060154Z 18008KT 10SM CLR M02/M08 A3014 RMK AO2 SLP218 T10221083 |
| 18:54 CST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1020 mb (30.12 in) | S 15 kph (S 9.2 mph) | - | 10SM |
| | KDEC 060054Z 18008KT 10SM CLR M02/M08 A3013 RMK AO2 SLP214 T10171083 |
| 17:54 CST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1020 mb (30.12 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KDEC 052354Z 18007KT 10SM CLR M02/M08 A3013 RMK AO2 SLP213 T10171078 10017 21022 50002 |
| 16:54 CST |  Clear | -1°C / 30°F | -9°C / 16°F | 55% | 1020 mb (30.12 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KDEC 052254Z 19006KT 10SM CLR M01/M09 A3013 RMK AO2 SLP213 T10111089 |
| 15:54 CST |  Clear | 1°C / 34°F | -9°C / 16°F | 48% | 1020 mb (30.12 in) | SSE 17 kph (SSE 10.4 mph) | - | 10SM |
| | KDEC 052154Z 20009KT 10SM CLR 01/M09 A3013 RMK AO2 SLP212 T00061089 |
| 14:54 CST |  Clear | 2°C / 36°F | -9°C / 16°F | 44% | 1020 mb (30.12 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KDEC 052054Z 20008KT 10SM CLR 02/M09 A3012 RMK AO2 SLP210 T00171094 56012 |
| 13:54 CST |  Clear | 2°C / 36°F | -9°C / 16°F | 44% | 1020 mb (30.12 in) | SW 19 kph (SW 11.5 mph) | - | 10SM |
| | KDEC 051954Z 21010G15KT 10SM CLR 02/M09 A3013 RMK AO2 SLP212 T00171089 |
| 12:54 CST |  Clear | 1°C / 34°F | -9°C / 16°F | 48% | 1021 mb (30.15 in) | SW 20 kph (SW 12.7 mph) | - | 10SM |
| | KDEC 051854Z 23011KT 10SM CLR 01/M09 A3014 RMK AO2 SLP215 T00111089 |
| 11:54 CST |  Clear | 1°C / 34°F | -8°C / 18°F | 51% | 1021 mb (30.15 in) | SSE 22 kph (SSE 13.8 mph) | - | 10SM |
| | KDEC 051754Z 20012G18KT 10SM CLR 01/M08 A3016 RMK AO2 SLP222 T00061083 10006 21083 58011 |
| 10:54 CST |  Clear | -1°C / 30°F | -7°C / 19°F | 64% | 1022 mb (30.18 in) | SW 19 kph (SW 11.5 mph) | - | 10SM |
| | KDEC 051654Z 22010KT 10SM CLR M01/M07 A3019 RMK AO2 SLP234 T10061072 |
| 09:54 CST |  Clear | -2°C / 28°F | -7°C / 19°F | 69% | 1023 mb (30.21 in) | SW 19 kph (SW 11.5 mph) | - | 10SM |
| | KDEC 051554Z 21010KT 10SM CLR M02/M07 A3020 RMK AO2 SLP236 T10171072 |
| 08:54 CST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1022 mb (30.18 in) | SSE 17 kph (SSE 10.4 mph) | - | 9SM |
| | KDEC 051454Z 20009KT 9SM CLR M04/M08 A3019 RMK AO2 SLP234 T10391078 53002 |
| 07:54 CST |  Clear | -7°C / 19°F | -9°C / 16°F | 86% | 1022 mb (30.18 in) | S 11 kph (S 6.9 mph) | - | 8SM |
| | KDEC 051354Z 19006KT 8SM CLR M07/M09 A3018 RMK AO2 SLP231 T10671094 |
| 06:54 CST |  Clear | -8°C / 18°F | -11°C / 12°F | 79% | 1022 mb (30.18 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KDEC 051254Z 19003KT 10SM CLR M08/M11 A3019 RMK AO2 SLP232 T10831111 |
| 05:54 CST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1022 mb (30.18 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KDEC 051154Z 20003KT 10SM CLR M09/M11 A3019 RMK AO2 SLP233 T10891111 11078 21089 55001 |
| 04:54 CST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1022 mb (30.18 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KDEC 051054Z AUTO 19003KT 10SM CLR M09/M11 A3018 RMK AO2 SLP231 T10891111 |
| 03:54 CST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1022 mb (30.18 in) | Calm | - | 9SM |
| | KDEC 050954Z AUTO 00000KT 9SM CLR M09/M11 A3019 RMK AO2 SLP232 T10891106 |
| 02:54 CST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KDEC 050854Z AUTO 00000KT 10SM CLR M09/M11 A3019 RMK AO2 SLP232 T10891111 58003 |
| 01:54 CST |  Clear | -8°C / 18°F | -11°C / 12°F | 79% | 1022 mb (30.18 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KDEC 050754Z AUTO 19003KT 10SM CLR M08/M11 A3019 RMK AO2 SLP235 T10781106 |
| 00:54 CST |  Clear | -8°C / 18°F | -11°C / 12°F | 79% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KDEC 050654Z AUTO 00000KT 10SM CLR M08/M11 A3020 RMK AO2 SLP235 T10781106 |