| 11:14 CST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1005 mb (29.68 in) | Calm | - | 10SM |
| | KOVL 261714Z AUTO 00000KT 10SM OVC026 M08/M11 A2968 RMK AO2 T10821114 |
| 10:54 CST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1005 mb (29.68 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KOVL 261654Z AUTO 18004KT 10SM OVC026 M08/M11 A2968 RMK AO2 T10821113 |
| 10:34 CST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1005 mb (29.68 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KOVL 261634Z AUTO 19003KT 10SM OVC028 M08/M11 A2968 RMK AO2 T10821112 |
| 10:14 CST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1005 mb (29.68 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KOVL 261614Z AUTO 16006KT 10SM OVC028 M08/M11 A2969 RMK AO2 T10821108 |
| 09:54 CST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1005 mb (29.68 in) | SSE 7 kph (SSE 4.6 mph) | - | 7SM |
| | KOVL 261554Z AUTO 16004KT 7SM OVC028 M08/M11 A2968 RMK AO2 T10821106 |
| 09:34 CST |  Overcast Light Snow | -8°C / 18°F | -11°C / 12°F | 79% | 1005 mb (29.68 in) | Calm | - | 5SM |
| | KOVL 261534Z AUTO 00000KT 5SM -SN OVC028 M08/M11 A2967 RMK AO2 T10831106 |
| 09:14 CST |  Overcast Light Snow | -8°C / 18°F | -10°C / 14°F | 86% | 1005 mb (29.68 in) | Calm | - | 2SM |
| | KOVL 261514Z AUTO 00000KT 2SM -SN SCT008 SCT017 OVC026 M08/M10 A2967 RMK AO2 T10821102 |
| 08:54 CST |  Overcast Light Snow | -8°C / 18°F | -10°C / 14°F | 86% | 1004 mb (29.65 in) | S 6 kph (S 3.5 mph) | - | 3SM |
| | KOVL 261454Z AUTO 17003KT 3SM -SN SCT011 SCT017 OVC026 M08/M10 A2966 RMK AO2 T10821103 |
| 08:34 CST |  Overcast Light Snow | -8°C / 18°F | -10°C / 14°F | 86% | 1004 mb (29.65 in) | S 6 kph (S 3.5 mph) | - | 3SM |
| | KOVL 261434Z AUTO 17003KT 3SM -SN SCT011 OVC024 M08/M10 A2965 RMK AO2 T10821105 |
| 08:14 CST |  Overcast Light Snow | -8°C / 18°F | -10°C / 14°F | 86% | 1004 mb (29.65 in) | S 9 kph (S 5.8 mph) | - | 7SM |
| | KOVL 261414Z AUTO 18005KT 7SM -SN OVC022 M08/M10 A2964 RMK AO2 T10821105 |
| 07:54 CST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1003 mb (29.62 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KOVL 261354Z AUTO 17006KT 10SM SCT008 OVC022 M08/M10 A2963 RMK AO2 T10821102 |
| 07:34 CST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1003 mb (29.62 in) | SSE 13 kph (SSE 8.1 mph) | - | 10SM |
| | KOVL 261334Z AUTO 16007KT 10SM SCT008 OVC022 M08/M10 A2963 RMK AO2 T10821101 |
| 07:14 CST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1003 mb (29.62 in) | S 7 kph (S 4.6 mph) | - | 7SM |
| | KOVL 261314Z AUTO 17004KT 7SM OVC022 M08/M10 A2962 RMK AO2 T10821100 |
| 06:54 CST |  Overcast Light Snow | -8°C / 18°F | -10°C / 14°F | 86% | 1003 mb (29.62 in) | S 11 kph (S 6.9 mph) | - | 5SM |
| | KOVL 261254Z AUTO 17006KT 5SM -SN OVC022 M08/M10 A2961 RMK AO2 T10821102 |
| 06:34 CST |  Overcast Light Snow | -8°C / 18°F | -10°C / 14°F | 86% | 1003 mb (29.62 in) | SSE 11 kph (SSE 6.9 mph) | - | 5SM |
| | KOVL 261234Z AUTO 16006KT 5SM -SN SCT009 OVC020 M08/M10 A2961 RMK AO2 T10821105 |
| 06:14 CST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1003 mb (29.62 in) | SSE 13 kph (SSE 8.1 mph) | - | 10SM |
| | KOVL 261214Z AUTO 15007KT 10SM OVC020 M08/M10 A2961 RMK AO2 T10821105 |
| 05:54 CST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1002 mb (29.59 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KOVL 261154Z AUTO 17007KT 10SM OVC018 M08/M10 A2959 RMK AO2 60002 70033 T10821105 10000 21082 |
| 05:34 CST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1002 mb (29.59 in) | S 15 kph (S 9.2 mph) | - | 10SM |
| | KOVL 261134Z AUTO 17008KT 10SM OVC018 M08/M10 A2958 RMK AO2 T10821105 |
| 05:14 CST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1001 mb (29.56 in) | S 15 kph (S 9.2 mph) | - | 10SM |
| | KOVL 261114Z AUTO 17008KT 10SM OVC018 M08/M10 A2957 RMK AO2 T10821103 |
| 04:54 CST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1001 mb (29.56 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KOVL 261054Z AUTO 18007KT 10SM OVC018 M08/M10 A2956 RMK AO2 T10821102 |
| 04:34 CST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1001 mb (29.56 in) | S 15 kph (S 9.2 mph) | - | 10SM |
| | KOVL 261034Z AUTO 17008KT 10SM BKN018 OVC050 M08/M10 A2955 RMK AO2 T10811100 |
| 04:14 CST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1000 mb (29.53 in) | S 15 kph (S 9.2 mph) | - | 7SM |
| | KOVL 261014Z AUTO 18008KT 7SM SCT007 SCT016 OVC050 M08/M10 A2954 RMK AO2 T10801097 |
| 03:54 CST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1000 mb (29.53 in) | S 17 kph (S 10.4 mph) | - | 4SM |
| | KOVL 260954Z AUTO 17009KT 4SM -SN SCT016 BKN039 OVC050 M07/M09 A2954 RMK AO2 T10751092 |
| 03:34 CST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1000 mb (29.53 in) | SSE 17 kph (SSE 10.4 mph) | - | 4SM |
| | KOVL 260934Z AUTO 16009KT 4SM -SN BKN016 OVC037 M07/M09 A2954 RMK AO2 T10751092 |
| 03:14 CST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1000 mb (29.53 in) | S 20 kph (S 12.7 mph) | - | 5SM |
| | KOVL 260914Z AUTO 17011KT 5SM -SN OVC014 M07/M09 A2952 RMK AO2 T10751091 |
| 02:54 CST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1000 mb (29.53 in) | S 19 kph (S 11.5 mph) | - | 3SM |
| | KOVL 260854Z AUTO 17010KT 3SM -SN OVC012 M07/M09 A2952 RMK AO2 60002 T10741087 |
| 02:34 CST |  Overcast Light Snow | -7°C / 19°F | -8°C / 18°F | 93% | 999 mb (29.5 in) | S 19 kph (S 11.5 mph) | - | 5SM |
| | KOVL 260834Z AUTO 17010KT 5SM -SN OVC012 M07/M08 A2951 RMK AO2 T10681081 |
| 02:14 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 999 mb (29.5 in) | S 17 kph (S 10.4 mph) | - | 2 1/2SM |
| | KOVL 260814Z AUTO 18009KT 2 1/2SM -SN OVC010 M06/M08 A2949 RMK AO2 T10651076 |
| 01:54 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 998 mb (29.47 in) | S 19 kph (S 11.5 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KOVL 260754Z AUTO 17010KT 2 1/2SM -SN OVC006 M06/M07 A2948 RMK AO2 P0001 T10611072 |
| 01:34 CST |  Overcast Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 998 mb (29.47 in) | S 15 kph (S 9.2 mph) | - | 2 1/2SM |
| | KOVL 260734Z AUTO 18008KT 2 1/2SM -SN OVC006 M05/M06 A2947 RMK AO2 T10551065 |
| 01:14 CST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 997 mb (29.44 in) | S 17 kph (S 10.4 mph) | - | 2SM |
| | KOVL 260714Z AUTO 17009KT 2SM -SN OVC004 M01/M02 A2945 RMK AO2 VIS 1 1/2V3 T10071018 |
| 00:54 CST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 997 mb (29.44 in) | NE 22 kph (NE 13.8 mph) | 0.25 mm (0.01 in) | 5SM |
| | KOVL 260654Z AUTO 03012KT 5SM -SN OVC006 00/M01 A2944 RMK AO2 P0001 T00001010 |
| 00:34 CST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 997 mb (29.44 in) | NE 26 kph (NE 16.1 mph) | 0.25 mm (0.01 in) | 4SM |
| | KOVL 260634Z AUTO 03014KT 4SM -SN SCT004 BKN007 OVC022 00/M01 A2944 RMK AO2 P0001 T00001010 |
| 00:14 CST |  Overcast Light Rain | 0°C / 32°F | -1°C / 30°F | 93% | 997 mb (29.44 in) | NE 28 kph (NE 17.3 mph) | - | 5SM |
| | KOVL 260614Z AUTO 03015KT 5SM -RA SCT009 BKN020 OVC032 00/M01 A2944 RMK AO2 T00001010 |