| 18:50 CST |  Overcast | 10°C / 50°F | 9°C / 48°F | 94% | 1013 mb (29.91 in) | SE 22 kph (SE 13.8 mph) | - | 10SM |
| | KOLV 240050Z 12012KT 10SM FEW035 BKN044 OVC060 10/09 A2990 |
| 17:55 CST |  Overcast | 10°C / 50°F | 9°C / 48°F | 94% | 1013 mb (29.91 in) | SE 22 kph (SE 13.8 mph) | - | 10SM |
| | KOLV 232355Z 12012KT 10SM FEW034 BKN046 OVC060 10/09 A2992 |
| 16:46 CST |  Overcast | 9°C / 48°F | 9°C / 48°F | 100% | 1014 mb (29.94 in) | SE 17 kph (SE 10.4 mph) | - | 10SM |
| | KOLV 232246Z 12009KT 10SM FEW036 BKN045 OVC070 09/09 A2993 |
| 15:55 CST |  Overcast | 9°C / 48°F | 9°C / 48°F | 100% | 1014 mb (29.94 in) | SE 15 kph (SE 9.2 mph) | - | 10SM |
| | KOLV 232155Z 14008KT 10SM FEW040 SCT048 OVC060 09/09 A2995 |
| 14:55 CST |  Overcast Light Rain | 9°C / 48°F | 9°C / 48°F | 100% | 1015 mb (29.97 in) | SE 15 kph (SE 9.2 mph) | - | 3SM |
| | KOLV 232055Z 14008KT 3SM -RA BR FEW020 BKN047 OVC065 09/09 A2996 |
| 13:55 CST |  Overcast | 10°C / 50°F | 10°C / 50°F | 100% | 1014 mb (29.94 in) | SE 24 kph (SE 15 mph) | - | 10SM |
| | KOLV 231955Z 14013KT 10SM OVC080 10/10 A2995 |
| 12:50 CST |  Overcast Light Rain | 10°C / 50°F | 10°C / 50°F | 100% | 1015 mb (29.97 in) | SSE 22 kph (SSE 13.8 mph) | - | 9SM |
| | KOLV 231850Z 16012KT 9SM -RA BKN027 BKN033 OVC050 10/10 A2997 |
| 11:50 CST |  Overcast Light Rain | 10°C / 50°F | 10°C / 50°F | 100% | 1016 mb (30 in) | SSE 19 kph (SSE 11.5 mph) | - | 7SM |
| | KOLV 231750Z 16010G16KT 7SM -RA SCT010 BKN030 OVC039 10/10 A3001 |
| 10:50 CST |  Overcast Light Rain | 10°C / 50°F | 10°C / 50°F | 100% | 1017 mb (30.03 in) | SSE 19 kph (SSE 11.5 mph) | - | 5SM |
| | KOLV 231650Z 16010G16KT 5SM -RA BR SCT008 BKN030 OVC060 10/10 A3004 |
| 09:52 CST |  Overcast Light Rain | 10°C / 50°F | 10°C / 50°F | 100% | 1018 mb (30.06 in) | SSE 19 kph (SSE 11.5 mph) | - | 4SM |
| | KOLV 231552Z 16010KT 4SM -RA BR OVC006 10/10 A3006 |
| 08:52 CST |  Overcast Light Rain | 9°C / 48°F | 9°C / 48°F | 100% | 1018 mb (30.06 in) | SSE 17 kph (SSE 10.4 mph) | - | 3SM |
| | KOLV 231452Z 16009KT 3SM -RA BR BKN006 OVC024 09/09 A3006 |
| 07:53 CST |  Overcast Light Rain | 9°C / 48°F | 9°C / 48°F | 100% | 1018 mb (30.06 in) | SSE 11 kph (SSE 6.9 mph) | - | 4SM |
| | KOLV 231353Z 16006KT 4SM -RA BR FEW005 BKN022 OVC049 09/09 A3006 |
| 06:58 CST |  Overcast Light Rain | 8°C / 46°F | 8°C / 46°F | 100% | 1018 mb (30.06 in) | SSE 11 kph (SSE 6.9 mph) | - | 4SM |
| | KOLV 231258Z 15006KT 4SM -RA BR FEW020 SCT060 OVC075 08/08 A3005 |
| 06:55 CST |  Overcast | 8°C / 46°F | 8°C / 46°F | 100% | 1018 mb (30.06 in) | SSE 15 kph (SSE 9.2 mph) | - | 5SM |
| | KOLV 231255Z AUTO 16008KT 5SM BKN060 OVC075 08/08 A3005 RMK A01 P002 |
| 06:35 CST |  Overcast | 8°C / 46°F | 8°C / 46°F | 100% | 1018 mb (30.06 in) | S 20 kph (S 12.7 mph) | - | 4SM |
| | KOLV 231235Z AUTO 18011KT 4SM FEW048 BKN060 OVC075 08/08 A3005 RMK A01 P001 |
| 06:15 CST |  Overcast | 9°C / 48°F | 9°C / 48°F | 100% | 1017 mb (30.03 in) | S 20 kph (S 12.7 mph) | - | 6SM |
| | KOLV 231215Z AUTO 18011KT 6SM FEW040 BKN048 OVC060 09/09 A3004 RMK A01 P000 |
| 05:55 CST |  Overcast | 9°C / 48°F | 9°C / 48°F | 100% | 1017 mb (30.03 in) | S 19 kph (S 11.5 mph) | - | 10SM |
| | KOLV 231155Z AUTO 18010KT 10SM SCT048 OVC060 09/09 A3003 RMK A01 P000 |
| 05:35 CST |  Overcast | 9°C / 48°F | 9°C / 48°F | 100% | 1017 mb (30.03 in) | S 20 kph (S 12.7 mph) | - | 7SM |
| | KOLV 231135Z AUTO 18011KT 7SM FEW012 BKN048 OVC060 09/09 A3002 RMK A01 P000 |
| 05:15 CST |  Overcast | 9°C / 48°F | 9°C / 48°F | 100% | 1017 mb (30.03 in) | S 17 kph (S 10.4 mph) | - | 6SM |
| | KOLV 231115Z AUTO 18009KT 6SM FEW012 BKN046 OVC060 09/09 A3003 RMK A01 P000 |
| 04:55 CST |  Overcast | 9°C / 48°F | 9°C / 48°F | 100% | 1017 mb (30.03 in) | S 11 kph (S 6.9 mph) | - | 5SM |
| | KOLV 231055Z AUTO 18006KT 5SM FEW016 BKN042 OVC060 09/09 A3004 RMK A01 P000 |
| 04:35 CST |  Overcast | 9°C / 48°F | 9°C / 48°F | 100% | 1017 mb (30.03 in) | S 11 kph (S 6.9 mph) | - | 7SM |
| | KOLV 231035Z AUTO 19006KT 7SM FEW015 BKN042 OVC075 09/09 A3004 RMK A01 P000 |
| 04:15 CST |  Mostly Cloudy | 9°C / 48°F | 9°C / 48°F | 100% | 1017 mb (30.03 in) | S 15 kph (S 9.2 mph) | - | 10SM |
| | KOLV 231015Z AUTO 18008KT 10SM FEW014 SCT046 BKN080 09/09 A3003 RMK A01 P000 |
| 03:55 CST |  Mostly Cloudy | 9°C / 48°F | 9°C / 48°F | 100% | 1017 mb (30.03 in) | S 17 kph (S 10.4 mph) | - | 10SM |
| | KOLV 230955Z AUTO 17009KT 10SM SCT014 SCT048 BKN065 09/09 A3003 RMK A01 P000 |
| 03:35 CST |  Partly Cloudy | 10°C / 50°F | 8°C / 46°F | 88% | 1017 mb (30.03 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KOLV 230935Z AUTO 17006KT 10SM FEW048 SCT065 10/08 A3003 RMK A01 P000 |
| 03:15 CST |  Partly Cloudy | 10°C / 50°F | 8°C / 46°F | 88% | 1017 mb (30.03 in) | S 15 kph (S 9.2 mph) | - | 10SM |
| | KOLV 230915Z AUTO 17008KT 10SM FEW070 SCT110 10/08 A3003 RMK A01 P000 |
| 02:55 CST |  Overcast | 10°C / 50°F | 8°C / 46°F | 88% | 1017 mb (30.03 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KOLV 230855Z AUTO 17007KT 10SM SCT070 BKN080 OVC110 10/08 A3003 RMK A01 P000 |
| 02:35 CST |  Overcast | 10°C / 50°F | 8°C / 46°F | 88% | 1017 mb (30.03 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KOLV 230835Z AUTO 16008KT 10SM FEW040 BKN070 OVC080 10/08 A3003 RMK A01 P000 |
| 02:15 CST |  Overcast | 11°C / 52°F | 7°C / 45°F | 77% | 1017 mb (30.03 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KOLV 230815Z AUTO 16008KT 10SM BKN070 OVC090 11/07 A3003 RMK A01 P000 |
| 01:55 CST |  Mostly Cloudy | 11°C / 52°F | 7°C / 45°F | 77% | 1017 mb (30.03 in) | SSE 13 kph (SSE 8.1 mph) | - | 10SM |
| | KOLV 230755Z AUTO 16007KT 10SM BKN070 11/07 A3003 RMK A01 P000 |
| 01:35 CST |  Partly Cloudy | 11°C / 52°F | 7°C / 45°F | 77% | 1017 mb (30.03 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KOLV 230735Z AUTO 16008KT 10SM FEW120 11/07 A3004 RMK A01 P000 |
| 01:15 CST |  Partly Cloudy | 11°C / 52°F | 7°C / 45°F | 77% | 1017 mb (30.03 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KOLV 230715Z AUTO 15008KT 10SM SCT120 11/07 A3003 RMK A01 P000 |
| 00:55 CST |  Partly Cloudy | 11°C / 52°F | 7°C / 45°F | 77% | 1017 mb (30.03 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KOLV 230655Z AUTO 15008KT 10SM FEW110 11/07 A3003 RMK A01 P000 |
| 00:35 CST |  Clear | 11°C / 52°F | 7°C / 45°F | 77% | 1017 mb (30.03 in) | SSE 13 kph (SSE 8.1 mph) | - | 10SM |
| | KOLV 230635Z AUTO 15007KT 10SM CLR 11/07 A3004 RMK A01 P000 |
| 00:15 CST |  Partly Cloudy | 11°C / 52°F | 7°C / 45°F | 77% | 1018 mb (30.06 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KOLV 230615Z AUTO 16005KT 10SM FEW065 SCT085 11/07 A3005 RMK A01 P000 |