| 04:15 CST |  Clear | 4°C / 39°F | 1°C / 34°F | 81% | 1019 mb (30.09 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KOLV 261015Z AUTO 30006KT 10SM CLR 04/01 A3009 RMK A01 P000 |
| 03:55 CST |  Partly Cloudy | 4°C / 39°F | 1°C / 34°F | 81% | 1019 mb (30.09 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KOLV 260955Z AUTO 31007KT 10SM FEW075 04/01 A3009 RMK A01 P000 |
| 03:35 CST |  Clear | 4°C / 39°F | 1°C / 34°F | 81% | 1019 mb (30.09 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KOLV 260935Z AUTO 31006KT 10SM CLR 04/01 A3009 RMK A01 P000 |
| 03:15 CST |  Clear | 5°C / 41°F | 1°C / 34°F | 76% | 1019 mb (30.09 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KOLV 260915Z AUTO 31007KT 10SM CLR 05/01 A3009 RMK A01 P000 |
| 02:55 CST |  Clear | 4°C / 39°F | 1°C / 34°F | 81% | 1019 mb (30.09 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KOLV 260855Z AUTO 30006KT 10SM CLR 04/01 A3008 RMK A01 P000 |
| 02:35 CST |  Clear | 4°C / 39°F | 1°C / 34°F | 81% | 1019 mb (30.09 in) | WNW 11 kph (WNW 6.9 mph) | - | 10SM |
| | KOLV 260835Z AUTO 29006KT 10SM CLR 04/01 A3008 RMK A01 P000 |
| 02:15 CST |  Clear | 4°C / 39°F | 1°C / 34°F | 81% | 1019 mb (30.09 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KOLV 260815Z AUTO 28006KT 10SM CLR 04/01 A3008 RMK A01 P000 |
| 01:55 CST |  Clear | 5°C / 41°F | 0°C / 32°F | 70% | 1018 mb (30.06 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KOLV 260755Z AUTO 27004KT 10SM CLR 05/00 A3007 RMK A01 P000 |
| 01:35 CST |  Clear | 6°C / 43°F | 0°C / 32°F | 66% | 1018 mb (30.06 in) | Calm | - | 10SM |
| | KOLV 260735Z AUTO 00000KT 10SM CLR 06/00 A3007 RMK A01 P000 |
| 01:15 CST |  Clear | 6°C / 43°F | 0°C / 32°F | 66% | 1018 mb (30.06 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KOLV 260715Z AUTO 28005KT 10SM CLR 06/00 A3007 RMK A01 P000 |
| 00:55 CST |  Clear | 6°C / 43°F | 0°C / 32°F | 66% | 1018 mb (30.06 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KOLV 260655Z AUTO 29004KT 10SM CLR 06/00 A3007 RMK A01 P000 |
| 00:35 CST |  Clear | 6°C / 43°F | 0°C / 32°F | 66% | 1019 mb (30.09 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KOLV 260635Z AUTO 28004KT 10SM CLR 06/00 A3008 RMK A01 P000 |
| 00:15 CST |  Clear | 6°C / 43°F | 1°C / 34°F | 71% | 1018 mb (30.06 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KOLV 260615Z AUTO 30005KT 10SM CLR 06/01 A3007 RMK A01 P000 |