| 03:08 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1026 mb (30.3 in) | ENE 22 kph (ENE 13.8 mph) | - | 10SM |
| | KHRT 120908Z 07012KT 10SM OVC060 05/03 A3029 RMK AO2A UPE0901RAB0901E0908 SLP261 $ |
| 02:55 CST |  Overcast Unknown Precip | 5°C / 41°F | 2°C / 36°F | 81% | 1026 mb (30.3 in) | ENE 20 kph (ENE 12.7 mph) | 0.00 mm (0.00 in) | 10SM |
| | KHRT 120855Z 07011G19KT 10SM UP OVC065 05/02 A3029 RMK AO2A UPB0815 SLP261 P0000 60000 T00540024 57020 $ |
| 02:41 CST |  Overcast Unknown Precip | 6°C / 43°F | 1°C / 34°F | 71% | 1026 mb (30.3 in) | ENE 24 kph (ENE 15 mph) | - | 10SM |
| | KHRT 120841Z 06013KT 10SM UP OVC065 06/01 A3029 RMK AO2A UPB0815 SLP261 $ |
| 02:37 CST |  Overcast | 6°C / 43°F | 1°C / 34°F | 71% | 1026 mb (30.3 in) | ENE 22 kph (ENE 13.8 mph) | - | 10SM |
| | KHRT 120837Z 06012KT 10SM OVC065 06/01 A3030 RMK AO2A UPB0815E0837 SLP264 $ |
| 02:15 CST |  Overcast Unknown Precip | 6°C / 43°F | 1°C / 34°F | 71% | 1026 mb (30.3 in) | ENE 20 kph (ENE 12.7 mph) | - | 10SM |
| | KHRT 120815Z 07011KT 10SM UP OVC070 06/01 A3031 RMK AO2A UPB0815 SLP265 $ |
| 01:55 CST |  Overcast | 6°C / 43°F | 0°C / 32°F | 66% | 1026 mb (30.3 in) | ENE 22 kph (ENE 13.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KHRT 120755Z 06012KT 10SM OVC070 06/00 A3031 RMK AO2A UPB0701E0711B0730E0739 SLP268 P0000 T00640003 $ |
| 01:39 CST |  Overcast | 7°C / 45°F | 0°C / 32°F | 61% | 1027 mb (30.33 in) | NE 19 kph (NE 11.5 mph) | - | 10SM |
| | KHRT 120739Z 05010KT 10SM OVC070 07/00 A3032 RMK AO2A UPB0701E0711B0730E0739 SLP269 $ |
| 01:30 CST |  Overcast Unknown Precip | 7°C / 45°F | 0°C / 32°F | 61% | 1027 mb (30.33 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KHRT 120730Z 04006KT 10SM UP OVC070 07/M00 A3032 RMK AO2A UPB0701E0711B0730 SLP271 $ |
| 01:11 CST |  Overcast | 7°C / 45°F | 0°C / 32°F | 61% | 1027 mb (30.33 in) | ENE 17 kph (ENE 10.4 mph) | - | 10SM |
| | KHRT 120711Z 06009KT 10SM OVC080 07/M00 A3032 RMK AO2A UPB0701E0711 SLP269 $ |
| 00:55 CST |  Overcast | 7°C / 45°F | -1°C / 30°F | 57% | 1027 mb (30.33 in) | ENE 13 kph (ENE 8.1 mph) | - | 10SM |
| | KHRT 120655Z 06007KT 10SM OVC090 07/M01 A3033 RMK AO2A SLPNO T00701012 $ |