| 09:53 CST |  Overcast | 3°C / 37°F | 0°C / 32°F | 81% | 1012 mb (29.88 in) | Variable 6 kph (Variable 3.5 mph) | - | 8SM |
| | KOVS 291553Z AUTO VRB03KT 8SM OVC024 03/00 A2989 RMK AO2 SLP130 T00330000 |
| 09:37 CST |  Overcast | 3°C / 37°F | -1°C / 30°F | 75% | 1012 mb (29.88 in) | NNW 9 kph (NNW 5.8 mph) | - | 7SM |
| | KOVS 291537Z AUTO 34005KT 7SM SCT014 OVC026 03/M01 A2989 RMK AO2 |
| 08:53 CST |  Mostly Cloudy Hazy | 2°C / 36°F | -1°C / 30°F | 81% | 1012 mb (29.88 in) | N 6 kph (N 3.5 mph) | - | 6SM |
| | KOVS 291453Z AUTO 35003KT 6SM HZ BKN014 02/M01 A2988 RMK AO2 SLP125 T00171011 51026 |
| 08:44 CST |  Mostly Cloudy Hazy | 2°C / 36°F | -1°C / 30°F | 81% | 1012 mb (29.88 in) | Calm | - | 6SM |
| | KOVS 291444Z AUTO 00000KT 6SM HZ BKN014 02/M01 A2987 RMK AO2 |
| 08:05 CST |  Partly Cloudy Fog And Mist | 1°C / 34°F | -1°C / 30°F | 87% | 1011 mb (29.85 in) | Calm | - | 6SM |
| | KOVS 291405Z AUTO 00000KT 6SM BR SCT014 01/M01 A2986 RMK AO2 |
| 07:53 CST |  Mostly Cloudy Hazy | 2°C / 36°F | -1°C / 30°F | 81% | 1011 mb (29.85 in) | NNE 6 kph (NNE 3.5 mph) | - | 6SM |
| | KOVS 291353Z AUTO 02003KT 6SM HZ BKN014 02/M01 A2985 RMK AO2 SLP117 T00171011 |
| 07:24 CST |  Mostly Cloudy | 2°C / 36°F | -1°C / 30°F | 81% | 1010 mb (29.83 in) | N 6 kph (N 3.5 mph) | - | 7SM |
| | KOVS 291324Z AUTO 01003KT 7SM BKN014 BKN100 02/M01 A2984 RMK AO2 |
| 06:53 CST |  Clear | 2°C / 36°F | -1°C / 30°F | 81% | 1010 mb (29.83 in) | NNW 6 kph (NNW 3.5 mph) | - | 7SM |
| | KOVS 291253Z AUTO 34003KT 7SM CLR 02/M01 A2983 RMK AO2 SLP108 T00171006 |
| 05:53 CST |  Partly Cloudy Fog And Mist | 2°C / 36°F | 0°C / 32°F | 87% | 1009 mb (29.8 in) | Calm | - | 6SM |
| | KOVS 291153Z AUTO 00000KT 6SM BR FEW110 02/00 A2980 RMK AO2 SLP097 T00170000 10017 21028 58002 |
| 04:53 CST |  Partly Cloudy Fog And Mist | 0°C / 32°F | -1°C / 30°F | 93% | 1009 mb (29.8 in) | ESE 6 kph (ESE 3.5 mph) | - | 5SM |
| | KOVS 291053Z AUTO 11003KT 5SM BR FEW110 00/M01 A2981 RMK AO2 SLP101 T00001006 |
| 03:53 CST |  Clear Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1009 mb (29.8 in) | SW 6 kph (SW 3.5 mph) | - | 5SM |
| | KOVS 290953Z AUTO 22003KT 5SM BR CLR M01/M02 A2981 RMK AO2 SLP101 T10111022 |
| 02:53 CST |  Clear Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1009 mb (29.8 in) | SW 6 kph (SW 3.5 mph) | - | 5SM |
| | KOVS 290853Z AUTO 21003KT 5SM BR CLR M02/M03 A2980 RMK AO2 PRESRR SLP097 T10171028 53002 |
| 01:53 CST |  Clear Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | Calm | - | 4SM |
| | KOVS 290753Z AUTO 00000KT 4SM BR CLR M02/M03 A2978 RMK AO2 SLP088 T10171033 |
| 01:40 CST |  Clear Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1009 mb (29.8 in) | Calm | - | 3SM |
| | KOVS 290740Z AUTO 00000KT 3SM BR CLR M02/M03 A2979 RMK AO2 |
| 01:32 CST |  Partly Cloudy Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1009 mb (29.8 in) | Calm | - | 1 1/4SM |
| | KOVS 290732Z AUTO 00000KT 1 1/4SM BR FEW001 M02/M03 A2979 RMK AO2 |
| 01:24 CST |  Obscured Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | Calm | - | 3/4SM |
| | KOVS 290724Z AUTO 00000KT 3/4SM BR VV001 M02/M03 A2978 RMK AO2 |
| 01:17 CST |  Mostly Cloudy Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | Calm | - | 1 1/4SM |
| | KOVS 290717Z AUTO 00000KT 1 1/4SM BR BKN001 M02/M03 A2978 RMK AO2 |
| 00:53 CST |  Obscured Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | Calm | - | 1/4SM |
| | KOVS 290653Z AUTO 00000KT 1/4SM FZFG VV001 M02/M03 A2978 RMK AO2 SLP091 T10221033 |
| 00:46 CST |  Mostly Cloudy Fog | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | Calm | - | 1/4SM |
| | KOVS 290646Z AUTO 00000KT 1/4SM FZFG SCT001 BKN012 M02/M03 A2978 RMK AO2 |
| 00:40 CST |  Obscured Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | Calm | - | 1SM |
| | KOVS 290640Z AUTO 00000KT 1SM BR VV001 M02/M03 A2978 RMK AO2 |
| 00:37 CST |  Partly Cloudy Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | Calm | - | 2SM |
| | KOVS 290637Z AUTO 00000KT 2SM BR FEW001 M02/M03 A2978 RMK AO2 |
| 00:13 CST |  Clear Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1009 mb (29.8 in) | Calm | - | 3SM |
| | KOVS 290613Z AUTO 00000KT 3SM BR CLR M02/M03 A2979 RMK AO2 |