| 22:53 EST |  Fog And Mist | -1°C / 30°F | -3°C / 27°F | 86% | 1025 mb (30.27 in) | ENE 11 kph (ENE 6.9 mph) | - | 6SM |
| | KOSU 230353Z AUTO 07006KT 6SM BR M01/M03 A3027 RMK AO2 SLP261 T10061028 $ |
| 21:53 EST |  Overcast Fog And Mist | -1°C / 30°F | -3°C / 27°F | 86% | 1025 mb (30.27 in) | ENE 9 kph (ENE 5.8 mph) | - | 6SM |
| | KOSU 230253Z 07005KT 6SM BR OVC060 M01/M03 A3027 RMK AO2 SLP260 T10061028 53006 |
| 20:53 EST |  Overcast Hazy | 0°C / 32°F | -3°C / 27°F | 80% | 1025 mb (30.27 in) | E 17 kph (E 10.4 mph) | - | 5SM |
| | KOSU 230153Z 08009KT 5SM HZ FEW031 BKN037 OVC070 00/M03 A3026 RMK AO2 SLP256 T00001028 |
| 19:53 EST |  Overcast Hazy | 0°C / 32°F | -3°C / 27°F | 80% | 1024 mb (30.24 in) | NE 11 kph (NE 6.9 mph) | - | 6SM |
| | KOSU 230053Z 05006KT 6SM HZ BKN033 OVC041 00/M03 A3025 RMK AO2 SLP256 T00001028 |
| 18:53 EST |  Overcast Hazy | 0°C / 32°F | -3°C / 27°F | 80% | 1024 mb (30.24 in) | ENE 7 kph (ENE 4.6 mph) | - | 6SM |
| | KOSU 222353Z 06004KT 6SM HZ FEW019 BKN033 OVC041 00/M03 A3025 RMK AO2 SLP253 60000 T00001028 10000 20000 51012 |
| 17:53 EST |  Overcast Hazy | 0°C / 32°F | -3°C / 27°F | 80% | 1024 mb (30.24 in) | NE 9 kph (NE 5.8 mph) | - | 6SM |
| | KOSU 222253Z 04005KT 6SM HZ OVC017 00/M03 A3023 RMK AO2 SLP247 T00001028 |
| 16:53 EST |  Overcast Fog And Mist | 0°C / 32°F | -2°C / 28°F | 87% | 1023 mb (30.21 in) | ENE 7 kph (ENE 4.6 mph) | 0.00 mm (0.00 in) | 4SM |
| | KOSU 222153Z 07004KT 4SM BR OVC017 00/M02 A3021 RMK AO2 SNE2056 SLP241 P0000 T00001022 |
| 15:53 EST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1023 mb (30.21 in) | E 7 kph (E 4.6 mph) | 0.00 mm (0.00 in) | 3SM |
| | KOSU 222053Z 08004KT 3SM -SN BR FEW012 OVC017 00/M02 A3021 RMK AO2 SLP238 P0000 60000 T00001022 56004 |
| 15:35 EST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1023 mb (30.21 in) | ENE 7 kph (ENE 4.6 mph) | 0.00 mm (0.00 in) | 2SM |
| | KOSU 222035Z 07004KT 2SM -SN BR OVC017 00/M02 A3020 RMK AO2 P0000 |
| 15:19 EST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1023 mb (30.21 in) | NE 6 kph (NE 3.5 mph) | 0.00 mm (0.00 in) | 3SM |
| | KOSU 222019Z 05003KT 3SM -SN BR OVC017 00/M02 A3021 RMK AO2 P0000 |
| 14:56 EST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1023 mb (30.21 in) | NE 6 kph (NE 3.5 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KOSU 221956Z 04003KT 1 3/4SM -SN BR OVC015 00/M02 A3021 RMK AO2 P0000 |
| 14:53 EST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1023 mb (30.21 in) | NE 6 kph (NE 3.5 mph) | 0.00 mm (0.00 in) | 3SM |
| | KOSU 221953Z 05003KT 3SM -SN BR OVC015 00/M02 A3021 RMK AO2 SNB26 SLP239 P0000 T00001022 |
| 13:53 EST |  Overcast Hazy | 0°C / 32°F | -3°C / 27°F | 80% | 1023 mb (30.21 in) | Calm | 0.00 mm (0.00 in) | 6SM |
| | KOSU 221853Z 00000KT 6SM HZ OVC019 00/M03 A3021 RMK AO2 SNB26E35 SLP240 P0000 T00001028 |
| 12:53 EST |  Overcast | 0°C / 32°F | -3°C / 27°F | 80% | 1023 mb (30.21 in) | Calm | 0.00 mm (0.00 in) | 7SM |
| | KOSU 221753Z 00000KT 7SM OVC017 00/M03 A3022 RMK AO2 SNB1658E09 SLP242 P0000 60001 T00001028 10000 21022 58011 |
| 12:15 EST |  Overcast Fog And Mist | 0°C / 32°F | -2°C / 28°F | 87% | 1023 mb (30.21 in) | Calm | 0.00 mm (0.00 in) | 5SM |
| | KOSU 221715Z 00000KT 5SM BR OVC015 00/M02 A3022 RMK AO2 SNB1658E09 P0000 |
| 12:08 EST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 2 1/2SM |
| | KOSU 221708Z 00000KT 2 1/2SM -SN BR OVC015 00/M02 A3023 RMK AO2 SNB1658 P0000 |
| 11:53 EST |  Overcast Fog And Mist | 0°C / 32°F | -2°C / 28°F | 87% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 4SM |
| | KOSU 221653Z 00000KT 4SM BR OVC017 00/M02 A3024 RMK AO2 SNE21 SLP249 P0000 T00001022 |
| 11:28 EST |  Overcast Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 3SM |
| | KOSU 221628Z 00000KT 3SM BR OVC015 M01/M02 A3024 RMK AO2 SNE21 P0000 |
| 10:53 EST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 2SM |
| | KOSU 221553Z 00000KT 2SM -SN BR SCT015 BKN020 OVC048 M01/M02 A3025 RMK AO2 SLP254 P0000 T10061022 |
| 10:07 EST |  Obscured Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 1SM |
| | KOSU 221507Z 00000KT 1SM -SN BR VV016 M01/M02 A3025 RMK AO2 P0000 |
| 09:53 EST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1024 mb (30.24 in) | Calm | 0.25 mm (0.01 in) | 1SM |
| | KOSU 221453Z 00000KT 1SM -SN BR FEW007 OVC013 M01/M02 A3025 RMK AO2 SLP254 P0001 60001 T10111022 51010 |
| 09:48 EST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1024 mb (30.24 in) | Calm | 0.25 mm (0.01 in) | 3/4SM |
| | KOSU 221448Z 00000KT 3/4SM -SN BR FEW007 OVC013 M01/M02 A3025 RMK AO2 P0001 |
| 09:19 EST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1024 mb (30.24 in) | Calm | 0.25 mm (0.01 in) | 3/4SM |
| | KOSU 221419Z 00000KT 3/4SM -SN BR FEW005 OVC015 M01/M02 A3024 RMK AO2 P0001 |
| 09:09 EST |  Overcast Light Snow | -2°C / 28°F | -2°C / 28°F | 100% | 1024 mb (30.24 in) | Calm | 0.25 mm (0.01 in) | 3/4SM |
| | KOSU 221409Z 00000KT 3/4SM -SN BR FEW005 OVC013 M02/M02 A3024 RMK AO2 P0001 |
| 08:49 EST |  Overcast Light Snow | -2°C / 28°F | -2°C / 28°F | 100% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 3/4SM |
| | KOSU 221349Z 00000KT 3/4SM -SN BR FEW005 OVC019 M02/M02 A3024 RMK AO2 SNE14B35 SLP249 P0000 T10171022 |
| 08:48 EST |  Overcast Light Snow | -2°C / 28°F | -2°C / 28°F | 100% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 3/4SM |
| | KOSU 221348Z 00000KT 3/4SM -SN BR FEW005 OVC019 M02/M02 A3024 RMK AO2 SNE14B35 P0000 |
| 08:28 EST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 1 1/2SM |
| | KOSU 221328Z 00000KT 1 1/2SM BR BKN029 BKN039 OVC050 M02/M03 A3023 RMK AO2 SNE14 P0000 |
| 08:17 EST |  Overcast Fog And Mist | -2°C / 28°F | -2°C / 28°F | 100% | 1023 mb (30.21 in) | Calm | 0.00 mm (0.00 in) | 1 1/2SM |
| | KOSU 221317Z 00000KT 1 1/2SM BR BKN031 OVC050 M02/M02 A3022 RMK AO2 SNE14 P0000 |
| 07:53 EST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1023 mb (30.21 in) | Calm | 0.00 mm (0.00 in) | 1 3/4SM |
| | KOSU 221253Z 00000KT 1 3/4SM -SN BR FEW006 BKN018 OVC032 M02/M03 A3022 RMK AO2 SLP244 P0000 T10221028 |
| 07:29 EST |  Overcast Light Snow | -2°C / 28°F | -2°C / 28°F | 100% | 1023 mb (30.21 in) | Calm | 0.00 mm (0.00 in) | 1 3/4SM |
| | KOSU 221229Z 00000KT 1 3/4SM -SN BR FEW006 OVC016 M02/M02 A3022 RMK AO2 P0000 |
| 07:19 EST |  Overcast Light Snow | -2°C / 28°F | -2°C / 28°F | 100% | 1023 mb (30.21 in) | Calm | 0.00 mm (0.00 in) | 1 3/4SM |
| | KOSU 221219Z 00000KT 1 3/4SM -SN BR OVC014 M02/M02 A3022 RMK AO2 P0000 |
| 06:53 EST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1023 mb (30.21 in) | Calm | 0.00 mm (0.00 in) | 1 3/4SM |
| | KOSU 221153Z 00000KT 1 3/4SM -SN BR OVC018 M02/M03 A3022 RMK AO2 SNB1055 SLP245 P0000 60000 7//// T10171028 11011 21017 53009 $ |
| 06:40 EST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1023 mb (30.21 in) | Calm | 0.00 mm (0.00 in) | 1 3/4SM |
| | KOSU 221140Z AUTO 00000KT 1 3/4SM -SN BR BKN020 OVC037 M02/M03 A3022 RMK AO2 SNB1055 P0000 $ |
| 06:14 EST |  Overcast Light Snow | -2°C / 28°F | -3°C / 27°F | 93% | 1023 mb (30.21 in) | Calm | 0.00 mm (0.00 in) | 2 1/2SM |
| | KOSU 221114Z AUTO 00000KT 2 1/2SM -SN BR SCT014 OVC026 M02/M03 A3022 RMK AO2 SNB1055 P0000 $ |
| 05:53 EST |  Overcast Fog And Mist | -1°C / 30°F | -3°C / 27°F | 86% | 1023 mb (30.21 in) | Calm | - | 4SM |
| | KOSU 221053Z AUTO 00000KT 4SM BR OVC014 M01/M03 A3021 RMK AO2 SLP241 T10111033 $ |
| 04:53 EST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1023 mb (30.21 in) | Calm | - | 5SM |
| | KOSU 220953Z AUTO 00000KT 5SM BR OVC014 M02/M03 A3021 RMK AO2 SLP240 T10171033 $ |
| 03:53 EST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1023 mb (30.21 in) | SSW 6 kph (SSW 3.5 mph) | - | 5SM |
| | KOSU 220853Z AUTO 25003KT 5SM BR OVC012 M02/M03 A3020 RMK AO2 SLP236 T10171033 51007 $ |
| 03:45 EST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1023 mb (30.21 in) | Calm | - | 5SM |
| | KOSU 220845Z AUTO 00000KT 5SM BR OVC012 M02/M03 A3020 RMK AO2 $ |
| 03:32 EST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1022 mb (30.18 in) | SSW 6 kph (SSW 3.5 mph) | - | 5SM |
| | KOSU 220832Z AUTO 25003KT 5SM BR OVC009 M02/M03 A3019 RMK AO2 CIG 008V012 $ |
| 02:53 EST |  Overcast Fog And Mist | -2°C / 28°F | -4°C / 25°F | 86% | 1023 mb (30.21 in) | SW 7 kph (SW 4.6 mph) | - | 5SM |
| | KOSU 220753Z AUTO 23004KT 5SM BR OVC011 M02/M04 A3020 RMK AO2 SLP235 T10171039 $ |
| 01:53 EST |  Overcast Fog And Mist | -2°C / 28°F | -4°C / 25°F | 86% | 1022 mb (30.18 in) | Calm | - | 6SM |
| | KOSU 220653Z AUTO 00000KT 6SM BR OVC011 M02/M04 A3018 RMK AO2 SLP231 T10171039 $ |
| 01:30 EST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1022 mb (30.18 in) | Calm | - | 7SM |
| | KOSU 220630Z AUTO 00000KT 7SM OVC011 M02/M04 A3017 RMK AO2 $ |
| 00:53 EST |  Fair | -2°C / 28°F | -4°C / 25°F | 86% | 1022 mb (30.18 in) | Calm | - | |
| | KOSU 220553Z AUTO M02/M04 A3018 RMK AO2 SLP229 6//// T10171039 11017 21022 58007 PWINO FZRANO $ |