| 04:54 CST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1025 mb (30.27 in) | SE 15 kph (SE 9.2 mph) | 1.78 mm (0.07 in) | 6SM |
| | KJAN 121054Z 12008KT 6SM -RA BR OVC070 02/01 A3028 RMK AO2 SLP254 P0007 T00220011 |
| 03:54 CST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1025 mb (30.27 in) | ESE 13 kph (ESE 8.1 mph) | 1.52 mm (0.06 in) | 9SM |
| | KJAN 120954Z 11007KT 9SM -RA FEW060 OVC095 02/01 A3027 RMK AO2 SLP251 P0006 T00220006 |
| 02:54 CST |  Overcast Light Rain | 3°C / 37°F | -1°C / 30°F | 75% | 1025 mb (30.27 in) | ESE 6 kph (ESE 3.5 mph) | 0.25 mm (0.01 in) | 8SM |
| | KJAN 120854Z 11003KT 8SM -RA BKN060 OVC090 03/M01 A3027 RMK AO2 RAB24 SLP252 P0001 60001 T00281011 58012 |
| 01:54 CST |  Overcast | 4°C / 39°F | -4°C / 25°F | 56% | 1026 mb (30.3 in) | E 13 kph (E 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KJAN 120754Z 08007KT 10SM OVC110 04/M04 A3029 RMK AO2 RAE41 SLP258 P0000 T00391044 |
| 00:54 CST |  Mostly Cloudy Light Rain | 5°C / 41°F | -6°C / 21°F | 45% | 1026 mb (30.3 in) | ESE 7 kph (ESE 4.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KJAN 120654Z 11004KT 10SM -RA FEW080 BKN110 05/M06 A3031 RMK AO2 RAB46 SLP265 P0000 T00501061 |