| 10:00 CST |  Overcast | 3°C / 37°F | -1°C / 30°F | 75% | 1010 mb (29.83 in) | NNW 9 kph (NNW 5.8 mph) | - | 7SM |
| | KOSH 291600Z 33005KT 7SM FEW029 OVC065 03/M01 A2982 RMK AO2 |
| 09:53 CST |  Overcast | 3°C / 37°F | -1°C / 30°F | 75% | 1010 mb (29.83 in) | NW 9 kph (NW 5.8 mph) | - | 7SM |
| | KOSH 291553Z 32005KT 7SM BKN029 OVC060 03/M01 A2982 RMK AO2 SLP109 T00281006 |
| 09:51 CST |  Overcast | 3°C / 37°F | -1°C / 30°F | 75% | 1010 mb (29.83 in) | NNW 9 kph (NNW 5.8 mph) | - | 7SM |
| | KOSH 291551Z 33005KT 7SM BKN029 OVC060 03/M01 A2982 RMK AO2 |
| 09:42 CST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1010 mb (29.83 in) | NNW 9 kph (NNW 5.8 mph) | - | 7SM |
| | KOSH 291542Z 34005KT 7SM SCT027 OVC060 02/M01 A2982 RMK AO2 |
| 08:53 CST |  Mostly Cloudy Fog And Mist | 1°C / 34°F | -1°C / 30°F | 87% | 1009 mb (29.8 in) | NNW 13 kph (NNW 8.1 mph) | - | 6SM |
| | KOSH 291453Z 33007KT 6SM BR BKN029 BKN050 01/M01 A2981 RMK AO2 SLP106 T00111011 53002 |
| 07:53 CST |  Mostly Cloudy Fog And Mist | 1°C / 34°F | -2°C / 28°F | 81% | 1009 mb (29.8 in) | NNW 7 kph (NNW 4.6 mph) | - | 6SM |
| | KOSH 291353Z 33004KT 6SM BR BKN100 01/M02 A2979 RMK AO2 SLP102 T00061017 |
| 06:53 CST |  Partly Cloudy | 1°C / 34°F | -1°C / 30°F | 87% | 1008 mb (29.77 in) | N 9 kph (N 5.8 mph) | - | 8SM |
| | KOSH 291253Z 36005KT 8SM SCT100 01/M01 A2978 RMK AO2 SLP097 T00061011 |
| 05:53 CST |  Mostly Cloudy | 1°C / 34°F | -2°C / 28°F | 81% | 1009 mb (29.8 in) | NW 7 kph (NW 4.6 mph) | - | 9SM |
| | KOSH 291153Z 32004KT 9SM BKN120 01/M02 A2980 RMK AO2 SLP103 T00061017 10006 21022 53009 |
| 04:53 CST |  Mostly Cloudy | 1°C / 34°F | -2°C / 28°F | 81% | 1009 mb (29.8 in) | NW 9 kph (NW 5.8 mph) | - | 8SM |
| | KOSH 291053Z 32005KT 8SM BKN120 01/M02 A2979 RMK AO2 PRESRR SLP098 T00061017 |
| 03:53 CST |  Clear | 0°C / 32°F | -2°C / 28°F | 87% | 1008 mb (29.77 in) | N 13 kph (N 8.1 mph) | - | 7SM |
| | KOSH 290953Z 36007KT 7SM CLR 00/M02 A2976 RMK AO2 SLP089 T00001017 |
| 02:53 CST |  Clear Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1008 mb (29.77 in) | N 6 kph (N 3.5 mph) | - | 4SM |
| | KOSH 290853Z 35003KT 4SM BR CLR M01/M02 A2977 RMK AO2 SLP090 T10061022 58003 |
| 01:53 CST |  Clear Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1008 mb (29.77 in) | N 7 kph (N 4.6 mph) | - | 4SM |
| | KOSH 290753Z 35004KT 4SM BR CLR M01/M02 A2978 RMK AO2 SLP093 T10061022 |
| 01:19 CST |  Clear Fog And Mist | -1°C / 30°F | -3°C / 27°F | 86% | 1008 mb (29.77 in) | N 9 kph (N 5.8 mph) | - | 3SM |
| | KOSH 290719Z 35005KT 3SM BR CLR M01/M03 A2978 RMK AO2 |
| 01:08 CST |  Clear Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1008 mb (29.77 in) | NNW 7 kph (NNW 4.6 mph) | - | 2 1/2SM |
| | KOSH 290708Z 34004KT 2 1/2SM BR CLR M02/M03 A2978 RMK AO2 |
| 00:53 CST |  Clear Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1008 mb (29.77 in) | NW 6 kph (NW 3.5 mph) | - | 1 3/4SM |
| | KOSH 290653Z 32003KT 1 3/4SM BR CLR M01/M02 A2978 RMK AO2 SLP093 T10061022 |