| 17:53 CST |  Mostly Cloudy | 1°C / 34°F | -1°C / 30°F | 87% | 1031 mb (30.45 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KOLV 152353Z 01009KT 10SM SCT023 BKN030 01/M01 A3044 |
| 15:45 CST |  Mostly Cloudy | 3°C / 37°F | -1°C / 30°F | 75% | 1030 mb (30.42 in) | NNE 20 kph (NNE 12.7 mph) | - | 10SM |
| | KOLV 152145Z 02011KT 10SM SCT023 BKN030 03/M01 A3041 |
| 14:50 CST |  Mostly Cloudy | 3°C / 37°F | 0°C / 32°F | 81% | 1029 mb (30.39 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KOLV 152050Z 01009KT 10SM SCT021 BKN030 03/00 A3039 |
| 13:50 CST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1028 mb (30.36 in) | NE 20 kph (NE 12.7 mph) | - | 10SM |
| | KOLV 151950Z 03011KT 10SM BKN020 OVC029 02/00 A3037 |
| 11:50 CST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1028 mb (30.36 in) | N 30 kph (N 18.4 mph) | - | 8SM |
| | KOLV 151750Z 36016G20KT 8SM OVC015 02/01 A3037 |
| 10:50 CST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1028 mb (30.36 in) | NNE 19 kph (NNE 11.5 mph) | - | 7SM |
| | KOLV 151650Z 02010G19KT 7SM OVC015 02/01 A3037 |
| 09:50 CST |  Overcast Fog And Mist | 2°C / 36°F | 1°C / 34°F | 93% | 1028 mb (30.36 in) | N 19 kph (N 11.5 mph) | - | 5SM |
| | KOLV 151550Z 36010KT 5SM BR OVC013 02/01 A3036 |
| 08:50 CST |  Overcast | 2°C / 36°F | 2°C / 36°F | 100% | 1027 mb (30.33 in) | N 24 kph (N 15 mph) | - | 7SM |
| | KOLV 151450Z 36013KT 7SM OVC013 02/02 A3033 |
| 07:52 CST |  Overcast Fog And Mist | 3°C / 37°F | 3°C / 37°F | 100% | 1026 mb (30.3 in) | N 19 kph (N 11.5 mph) | - | 6SM |
| | KOLV 151352Z 36010KT 6SM BR OVC011 03/03 A3030 |
| 06:55 CST |  Overcast | 3°C / 37°F | 3°C / 37°F | 100% | 1025 mb (30.27 in) | N 19 kph (N 11.5 mph) | - | 9SM |
| | KOLV 151255Z AUTO 36010G19KT 9SM OVC011 03/03 A3026 RMK A01 P000 |
| 06:35 CST |  Overcast | 3°C / 37°F | 3°C / 37°F | 100% | 1024 mb (30.24 in) | N 22 kph (N 13.8 mph) | - | 9SM |
| | KOLV 151235Z AUTO 01012KT 9SM OVC011 03/03 A3025 RMK A01 P000 |
| 06:15 CST |  Overcast | 4°C / 39°F | 4°C / 39°F | 100% | 1024 mb (30.24 in) | NNE 19 kph (NNE 11.5 mph) | - | 9SM |
| | KOLV 151215Z AUTO 02010G17KT 9SM OVC011 04/04 A3024 RMK A01 P000 |
| 05:55 CST |  Overcast | 4°C / 39°F | 4°C / 39°F | 100% | 1023 mb (30.21 in) | N 22 kph (N 13.8 mph) | - | 10SM |
| | KOLV 151155Z AUTO 36012KT 10SM OVC011 04/04 A3022 RMK A01 P000 |
| 05:35 CST |  Overcast | 4°C / 39°F | 4°C / 39°F | 100% | 1023 mb (30.21 in) | NNE 24 kph (NNE 15 mph) | - | 10SM |
| | KOLV 151135Z AUTO 02013KT 10SM OVC013 04/04 A3020 RMK A01 P000 |
| 05:15 CST |  Overcast | 5°C / 41°F | 5°C / 41°F | 100% | 1022 mb (30.18 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KOLV 151115Z AUTO 35010KT 10SM OVC013 05/05 A3019 RMK A01 P000 |
| 04:55 CST |  Overcast | 5°C / 41°F | 5°C / 41°F | 100% | 1022 mb (30.18 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KOLV 151055Z AUTO 36010G18KT 10SM BKN013 OVC022 05/05 A3018 RMK A01 P000 |
| 04:35 CST |  Overcast | 6°C / 43°F | 5°C / 41°F | 93% | 1022 mb (30.18 in) | N 22 kph (N 13.8 mph) | - | 10SM |
| | KOLV 151035Z AUTO 01012KT 10SM SCT013 OVC022 06/05 A3017 RMK A01 P000 |
| 04:15 CST |  Overcast | 6°C / 43°F | 6°C / 43°F | 100% | 1022 mb (30.18 in) | N 26 kph (N 16.1 mph) | - | 10SM |
| | KOLV 151015Z AUTO 36014KT 10SM OVC022 06/06 A3017 RMK A01 P000 |
| 03:55 CST |  Overcast | 6°C / 43°F | 6°C / 43°F | 100% | 1021 mb (30.15 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KOLV 150955Z AUTO 36008KT 10SM OVC022 06/06 A3016 RMK A01 P000 |
| 03:35 CST |  Overcast | 6°C / 43°F | 6°C / 43°F | 100% | 1021 mb (30.15 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KOLV 150935Z AUTO 35010KT 10SM OVC022 06/06 A3016 RMK A01 P000 |
| 03:15 CST |  Overcast | 7°C / 45°F | 6°C / 43°F | 93% | 1021 mb (30.15 in) | N 20 kph (N 12.7 mph) | - | 10SM |
| | KOLV 150915Z AUTO 35011G16KT 10SM OVC024 07/06 A3015 RMK A01 P000 |
| 02:55 CST |  Overcast | 7°C / 45°F | 6°C / 43°F | 93% | 1021 mb (30.15 in) | N 22 kph (N 13.8 mph) | - | 10SM |
| | KOLV 150855Z AUTO 35012KT 10SM OVC026 07/06 A3015 RMK A01 P000 |
| 02:35 CST |  Overcast | 7°C / 45°F | 6°C / 43°F | 93% | 1021 mb (30.15 in) | N 20 kph (N 12.7 mph) | - | 10SM |
| | KOLV 150835Z AUTO 35011G16KT 10SM OVC026 07/06 A3014 RMK A01 P000 |
| 02:15 CST |  Overcast | 7°C / 45°F | 7°C / 45°F | 100% | 1021 mb (30.15 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KOLV 150815Z AUTO 36008KT 10SM OVC026 07/07 A3014 RMK A01 P000 |
| 01:55 CST |  Overcast | 7°C / 45°F | 7°C / 45°F | 100% | 1020 mb (30.12 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KOLV 150755Z AUTO 36010G14KT 10SM OVC026 07/07 A3013 RMK A01 P000 |
| 01:35 CST |  Overcast | 7°C / 45°F | 7°C / 45°F | 100% | 1020 mb (30.12 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KOLV 150735Z AUTO 35009KT 10SM BKN024 OVC029 07/07 A3011 RMK A01 P000 |
| 01:15 CST |  Overcast | 7°C / 45°F | 7°C / 45°F | 100% | 1019 mb (30.09 in) | NNW 20 kph (NNW 12.7 mph) | - | 10SM |
| | KOLV 150715Z AUTO 34011G14KT 10SM OVC027 07/07 A3010 RMK A01 P000 |
| 00:55 CST |  Overcast | 7°C / 45°F | 7°C / 45°F | 100% | 1020 mb (30.12 in) | NNW 20 kph (NNW 12.7 mph) | - | 10SM |
| | KOLV 150655Z AUTO 34011G15KT 10SM OVC027 07/07 A3011 RMK A01 P000 |
| 00:35 CST |  Overcast | 8°C / 46°F | 8°C / 46°F | 100% | 1019 mb (30.09 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KOLV 150635Z AUTO 35008KT 10SM OVC027 08/08 A3010 RMK A01 P000 |
| 00:15 CST |  Overcast | 9°C / 48°F | 9°C / 48°F | 100% | 1019 mb (30.09 in) | N 22 kph (N 13.8 mph) | - | 8SM |
| | KOLV 150615Z AUTO 35012KT 8SM FEW009 SCT013 OVC027 09/09 A3010 RMK A01 P000 |