| 23:35 CST |  Clear | 1°C / 34°F | 1°C / 34°F | 100% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KOLV 220535Z AUTO 00000KT 10SM CLR 01/01 A3013 RMK A01 P000 |
| 23:15 CST |  Clear | 2°C / 36°F | 2°C / 36°F | 100% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KOLV 220515Z AUTO 00000KT 10SM CLR 02/02 A3014 RMK A01 P000 |
| 22:55 CST |  Clear | 2°C / 36°F | 2°C / 36°F | 100% | 1021 mb (30.15 in) | Calm | - | 9SM |
| | KOLV 220455Z AUTO 00000KT 9SM CLR 02/02 A3014 RMK A01 P000 |
| 22:35 CST |  Clear | 3°C / 37°F | 2°C / 36°F | 93% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KOLV 220435Z AUTO 00000KT 10SM CLR 03/02 A3015 RMK A01 P000 |
| 22:15 CST |  Clear | 3°C / 37°F | 2°C / 36°F | 93% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KOLV 220415Z AUTO 00000KT 10SM CLR 03/02 A3015 RMK A01 P000 |
| 21:55 CST |  Clear | 3°C / 37°F | 2°C / 36°F | 93% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KOLV 220355Z AUTO 00000KT 10SM CLR 03/02 A3015 RMK A01 P000 |
| 21:35 CST |  Clear | 3°C / 37°F | 2°C / 36°F | 93% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KOLV 220335Z AUTO 00000KT 10SM CLR 03/02 A3016 RMK A01 P000 |
| 21:15 CST |  Clear | 3°C / 37°F | 2°C / 36°F | 93% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KOLV 220315Z AUTO 00000KT 10SM CLR 03/02 A3016 RMK A01 P000 |
| 20:55 CST |  Clear | 3°C / 37°F | 2°C / 36°F | 93% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KOLV 220255Z AUTO 00000KT 10SM CLR 03/02 A3016 RMK A01 P000 |
| 20:35 CST |  Clear | 4°C / 39°F | 2°C / 36°F | 87% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KOLV 220235Z AUTO 00000KT 10SM CLR 04/02 A3017 RMK A01 P000 |
| 19:55 CST |  Clear | 4°C / 39°F | 2°C / 36°F | 87% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KOLV 220155Z 00000KT 10SM SKC 04/02 A3018 |
| 18:50 CST |  Clear | 5°C / 41°F | 2°C / 36°F | 81% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KOLV 220050Z 00000KT 10SM SKC 05/02 A3017 |
| 17:50 CST |  Clear | 7°C / 45°F | 2°C / 36°F | 71% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KOLV 212350Z 00000KT 10SM SKC 07/02 A3016 |
| 16:45 CST |  Clear | 9°C / 48°F | 2°C / 36°F | 62% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KOLV 212245Z 00000KT 10SM SKC 09/02 A3015 |
| 15:50 CST |  Clear | 12°C / 54°F | 2°C / 36°F | 51% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KOLV 212150Z 00000KT 10SM SKC 12/02 A3014 |
| 14:55 CST |  Clear | 12°C / 54°F | 2°C / 36°F | 51% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KOLV 212055Z 00000KT 10SM SKC 12/02 A3014 |
| 13:48 CST |  Clear | 12°C / 54°F | 2°C / 36°F | 51% | 1021 mb (30.15 in) | Calm | - | 10SM |
| | KOLV 211948Z 00000KT 10SM SKC 12/02 A3016 |
| 12:55 CST |  Clear | 11°C / 52°F | 3°C / 37°F | 58% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KOLV 211855Z 00000KT 10SM SKC 11/03 A3017 |
| 11:50 CST |  Clear | 9°C / 48°F | 2°C / 36°F | 62% | 1023 mb (30.21 in) | Calm | - | 9SM |
| | KOLV 211750Z 00000KT 9SM SKC 09/02 A3020 |
| 10:50 CST |  Clear | 7°C / 45°F | 3°C / 37°F | 76% | 1024 mb (30.24 in) | Calm | - | 9SM |
| | KOLV 211650Z 00000KT 9SM SKC 07/03 A3023 |
| 09:50 CST |  Clear Fog And Mist | 4°C / 39°F | 3°C / 37°F | 93% | 1024 mb (30.24 in) | Calm | - | 6SM |
| | KOLV 211550Z 00000KT 6SM BR SKC 04/03 A3024 |
| 08:50 CST |  Clear Fog And Mist | 1°C / 34°F | 1°C / 34°F | 100% | 1024 mb (30.24 in) | SW 9 kph (SW 5.8 mph) | - | 3SM |
| | KOLV 211450Z 21005KT 3SM BR SKC 01/01 A3023 |
| 07:55 CST |  Clear Fog And Mist | -1°C / 30°F | -1°C / 30°F | 100% | 1023 mb (30.21 in) | SSE 7 kph (SSE 4.6 mph) | - | 1SM |
| | KOLV 211355Z 20004KT 1SM BR SKC M01/M01 A3022 |
| 06:55 CST |  Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1022 mb (30.18 in) | Calm | - | 1 1/4SM |
| | KOLV 211255Z AUTO 00000KT 1 1/4SM CLR M02/M02 A3019 RMK A01 P000 |
| 06:50 CST |  Clear Fog And Mist | -2°C / 28°F | -2°C / 28°F | 100% | 1023 mb (30.21 in) | S 7 kph (S 4.6 mph) | - | 1 1/4SM |
| | KOLV 211250Z 19004KT 1 1/4SM BR SKC M02/M02 A3020 |
| 06:35 CST |  Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1022 mb (30.18 in) | Calm | - | 1 3/4SM |
| | KOLV 211235Z AUTO 00000KT 1 3/4SM CLR M01/M01 A3019 RMK A01 P000 |
| 06:15 CST |  Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1022 mb (30.18 in) | S 6 kph (S 3.5 mph) | - | 1 3/4SM |
| | KOLV 211215Z AUTO 18003KT 1 3/4SM CLR M02/M02 A3018 RMK A01 P000 |
| 05:55 CST |  Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1022 mb (30.18 in) | Calm | - | 2SM |
| | KOLV 211155Z AUTO 00000KT 2SM CLR M01/M01 A3018 RMK A01 P000 |
| 05:35 CST |  Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1022 mb (30.18 in) | Calm | - | 1 1/2SM |
| | KOLV 211135Z AUTO 00000KT 1 1/2SM CLR M02/M02 A3019 RMK A01 P000 |
| 05:15 CST |  Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1022 mb (30.18 in) | Calm | - | 2SM |
| | KOLV 211115Z AUTO 00000KT 2SM CLR M02/M02 A3018 RMK A01 P000 |
| 04:55 CST |  Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1022 mb (30.18 in) | Calm | - | 2SM |
| | KOLV 211055Z AUTO 00000KT 2SM CLR M02/M02 A3018 RMK A01 P000 |
| 04:15 CST |  Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1022 mb (30.18 in) | S 22 kph (S 13.8 mph) | - | 2SM |
| | KOLV 211015Z AUTO 19012KT 2SM CLR M02/M02 A3017 RMK A01 P000 |
| 03:55 CST |  Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1022 mb (30.18 in) | SSE 22 kph (SSE 13.8 mph) | - | 2SM |
| | KOLV 210955Z AUTO 20012KT 2SM CLR M02/M02 A3017 RMK A01 P000 |
| 03:35 CST |  Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1022 mb (30.18 in) | SSE 19 kph (SSE 11.5 mph) | - | 2 1/2SM |
| | KOLV 210935Z AUTO 20010KT 2 1/2SM CLR M02/M02 A3018 RMK A01 P000 |
| 03:15 CST |  Clear | -2°C / 28°F | -1°C / 30°F | N/A | 1022 mb (30.18 in) | S 24 kph (S 15 mph) | - | 2 1/2SM |
| | KOLV 210915Z AUTO 19013KT 2 1/2SM CLR M02/M01 A3018 RMK A01 P000 |
| 02:55 CST |  Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1022 mb (30.18 in) | S 22 kph (S 13.8 mph) | - | 2 1/2SM |
| | KOLV 210855Z AUTO 19012KT 2 1/2SM CLR M02/M02 A3018 RMK A01 P000 |
| 02:35 CST |  Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1022 mb (30.18 in) | S 24 kph (S 15 mph) | - | 2 1/2SM |
| | KOLV 210835Z AUTO 19013KT 2 1/2SM CLR M02/M02 A3018 RMK A01 P000 |
| 02:15 CST |  Clear | -2°C / 28°F | -1°C / 30°F | N/A | 1022 mb (30.18 in) | S 26 kph (S 16.1 mph) | - | 3SM |
| | KOLV 210815Z AUTO 19014KT 3SM CLR M02/M01 A3018 RMK A01 P000 |
| 01:55 CST |  Clear | -2°C / 28°F | -1°C / 30°F | N/A | 1022 mb (30.18 in) | S 24 kph (S 15 mph) | - | 3SM |
| | KOLV 210755Z AUTO 19013KT 3SM CLR M02/M01 A3018 RMK A01 P000 |
| 01:35 CST |  Clear | -1°C / 30°F | -1°C / 30°F | 100% | 1022 mb (30.18 in) | S 30 kph (S 18.4 mph) | - | 3SM |
| | KOLV 210735Z AUTO 19016KT 3SM CLR M01/M01 A3018 RMK A01 P000 |
| 01:15 CST |  Clear | -2°C / 28°F | -1°C / 30°F | N/A | 1022 mb (30.18 in) | S 26 kph (S 16.1 mph) | - | 3SM |
| | KOLV 210715Z AUTO 19014KT 3SM CLR M02/M01 A3018 RMK A01 P000 |
| 00:55 CST |  Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1022 mb (30.18 in) | S 28 kph (S 17.3 mph) | - | 3SM |
| | KOLV 210655Z AUTO 19015KT 3SM CLR M02/M02 A3018 RMK A01 P000 |
| 00:35 CST |  Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1022 mb (30.18 in) | S 24 kph (S 15 mph) | - | 3SM |
| | KOLV 210635Z AUTO 19013KT 3SM CLR M02/M02 A3018 RMK A01 P000 |
| 00:15 CST |  Clear | -2°C / 28°F | -2°C / 28°F | 100% | 1022 mb (30.18 in) | S 20 kph (S 12.7 mph) | - | 3SM |
| | KOLV 210615Z AUTO 19011KT 3SM CLR M02/M02 A3019 RMK A01 P000 |