| 04:20 CST |  Clear | 0°C / 32°F | -1°C / 30°F | 93% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | K4A9 271020Z AUTO 00000KT 10SM CLR 00/M01 A3010 RMK AO2 T00021015 |
| 04:00 CST |  Clear | 1°C / 34°F | -1°C / 30°F | 87% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | K4A9 271000Z AUTO 00000KT 10SM CLR 01/M01 A3009 RMK AO2 T00051013 |
| 03:40 CST |  Clear | 1°C / 34°F | -1°C / 30°F | 87% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | K4A9 270940Z AUTO 00000KT 10SM CLR 01/M01 A3009 RMK AO2 T00101011 |
| 03:20 CST |  Clear | 1°C / 34°F | -1°C / 30°F | 87% | 1019 mb (30.09 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | K4A9 270920Z AUTO 25003KT 10SM CLR 01/M01 A3009 RMK AO2 T00091015 |
| 03:00 CST |  Clear | 2°C / 36°F | -1°C / 30°F | 81% | 1019 mb (30.09 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | K4A9 270900Z AUTO 21003KT 10SM CLR 02/M01 A3009 RMK AO2 T00151006 |
| 02:40 CST |  Clear | 2°C / 36°F | -1°C / 30°F | 81% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | K4A9 270840Z AUTO 00000KT 10SM CLR 02/M01 A3009 RMK AO2 T00221006 |
| 02:20 CST |  Clear | 3°C / 37°F | -1°C / 30°F | 75% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | K4A9 270820Z AUTO 00000KT 10SM CLR 03/M01 A3009 RMK AO2 T00261006 |
| 02:00 CST |  Partly Cloudy | 4°C / 39°F | -1°C / 30°F | 70% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | K4A9 270800Z AUTO 00000KT 10SM SCT035 04/M01 A3009 RMK AO2 T00441010 |
| 01:40 CST |  Mostly Cloudy | 6°C / 43°F | -1°C / 30°F | 61% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | K4A9 270740Z AUTO 00000KT 10SM BKN035 06/M01 A3010 RMK AO2 T00551014 |
| 01:20 CST |  Overcast | 6°C / 43°F | -1°C / 30°F | 61% | 1019 mb (30.09 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | K4A9 270720Z AUTO 30003KT 10SM OVC035 06/M01 A3010 RMK AO2 T00561014 |
| 01:00 CST |  Overcast | 6°C / 43°F | -1°C / 30°F | 61% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | K4A9 270700Z AUTO 00000KT 10SM OVC033 06/M01 A3010 RMK AO2 T00571012 |
| 00:40 CST |  Overcast | 6°C / 43°F | -1°C / 30°F | 61% | 1019 mb (30.09 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | K4A9 270640Z AUTO 29005KT 10SM OVC033 06/M01 A3010 RMK AO2 T00561012 |
| 00:20 CST |  Overcast | 6°C / 43°F | -1°C / 30°F | 61% | 1019 mb (30.09 in) | Calm | - | 10SM |
| | K4A9 270620Z AUTO 00000KT 10SM OVC033 06/M01 A3009 RMK AO2 T00561015 |
| 00:00 CST |  Overcast | 6°C / 43°F | -2°C / 28°F | 57% | 1019 mb (30.09 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | K4A9 270600Z AUTO 31006KT 10SM OVC035 06/M02 A3009 RMK AO2 T00571016 |