| 19:11 CST |  Overcast Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 1018 mb (30.06 in) | NNW 20 kph (NNW 12.7 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KPIR 240111Z AUTO 34011KT 2 1/2SM -SN BR BKN021 BKN029 OVC037 M05/M06 A3006 RMK AO2 P0000 |
| 18:53 CST |  Overcast Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 1018 mb (30.06 in) | NNW 20 kph (NNW 12.7 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KPIR 240053Z AUTO 34011KT 1 1/2SM -SN BR BKN017 BKN029 OVC037 M05/M06 A3005 RMK AO2 SLP201 P0000 T10501061 |
| 18:00 CST |  Overcast Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 1017 mb (30.03 in) | NNW 20 kph (NNW 12.7 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KPIR 240000Z AUTO 34011KT 1 3/4SM -SN BR OVC017 M05/M06 A3004 RMK AO2 P0000 |
| 17:53 CST |  Overcast Light Snow | -5°C / 23°F | -6°C / 21°F | 93% | 1017 mb (30.03 in) | NNW 20 kph (NNW 12.7 mph) | 0.25 mm (0.01 in) | 2SM |
| | KPIR 232353Z AUTO 34011KT 2SM -SN BR OVC017 M05/M06 A3004 RMK AO2 SLP199 P0001 60002 T10501061 11044 21050 51009 |
| 17:27 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | N 17 kph (N 10.4 mph) | 0.25 mm (0.01 in) | 2SM |
| | KPIR 232327Z AUTO 35009KT 2SM -SN BR OVC015 M04/M06 A3004 RMK AO2 P0001 |
| 17:19 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | N 19 kph (N 11.5 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KPIR 232319Z AUTO 35010KT 1 3/4SM -SN BR OVC015 M04/M06 A3004 RMK AO2 P0001 |
| 16:53 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | N 17 kph (N 10.4 mph) | 0.00 mm (0.00 in) | 1SM |
| | KPIR 232253Z AUTO 35009KT 1SM -SN BR BKN014 OVC045 M04/M06 A3004 RMK AO2 UPB2158E00B17E24SNB00E17B24 SLP196 P0000 T10441061 |
| 16:37 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | NNW 15 kph (NNW 9.2 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KPIR 232237Z AUTO 34008KT 1 3/4SM -SN BR OVC045 M04/M06 A3003 RMK AO2 UPB2158E00B17E24SNB00E17B24 P0000 |
| 15:53 CST |  Overcast Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | NNW 17 kph (NNW 10.4 mph) | 0.25 mm (0.01 in) | 3SM |
| | KPIR 232153Z AUTO 34009KT 3SM BR FEW009 OVC047 M04/M06 A3002 RMK AO2 SNE53 SLP191 P0001 T10441056 |
| 15:46 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | NNW 15 kph (NNW 9.2 mph) | 0.25 mm (0.01 in) | 2SM |
| | KPIR 232146Z AUTO 34008KT 2SM -SN BR SCT007 OVC047 M04/M06 A3002 RMK AO2 P0001 |
| 15:32 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | NNW 17 kph (NNW 10.4 mph) | 0.25 mm (0.01 in) | 1 1/4SM |
| | KPIR 232132Z AUTO 34009KT 1 1/4SM -SN BR OVC007 M04/M06 A3002 RMK AO2 P0001 |
| 15:09 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1016 mb (30 in) | NNW 17 kph (NNW 10.4 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KPIR 232109Z AUTO 34009KT 3/4SM -SN BR OVC007 M04/M06 A3001 RMK AO2 P0001 |
| 14:53 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1016 mb (30 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KPIR 232053Z AUTO 35007KT 1 1/4SM -SN BR OVC007 M04/M06 A3001 RMK AO2 SNB20 CIG 005V010 SLP188 P0000 60000 T10441056 56004 |
| 14:51 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1016 mb (30 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KPIR 232051Z AUTO 36007KT 1 1/2SM -SN BR OVC007 M04/M06 A3001 RMK AO2 SNB20 CIG 005V010 P0000 |
| 14:42 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1016 mb (30 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 2SM |
| | KPIR 232042Z AUTO 36007KT 2SM -SN BR OVC005 M04/M06 A3001 RMK AO2 SNB20 P0000 |
| 13:53 CST |  Overcast Fog And Mist | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | NNE 9 kph (NNE 5.8 mph) | - | 6SM |
| | KPIR 231953Z AUTO 02005KT 6SM BR OVC005 M04/M06 A3002 RMK AO2 SLP189 T10441056 |
| 12:53 CST |  Overcast Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1017 mb (30.03 in) | ENE 11 kph (ENE 6.9 mph) | - | 6SM |
| | KPIR 231853Z AUTO 07006KT 6SM BR OVC005 M05/M06 A3003 RMK AO2 SLP192 T10501056 |
| 11:53 CST |  Overcast Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1018 mb (30.06 in) | ENE 15 kph (ENE 9.2 mph) | - | 5SM |
| | KPIR 231753Z AUTO 07008KT 5SM BR OVC005 M05/M06 A3005 RMK AO2 SLP201 T10501056 11050 21061 58007 |
| 11:48 CST |  Overcast Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1018 mb (30.06 in) | ENE 15 kph (ENE 9.2 mph) | - | 5SM |
| | KPIR 231748Z AUTO 07008KT 5SM BR OVC005 M05/M06 A3006 RMK AO2 |
| 11:08 CST |  Overcast Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1018 mb (30.06 in) | ENE 11 kph (ENE 6.9 mph) | - | 3SM |
| | KPIR 231708Z AUTO 07006KT 3SM BR OVC003 M05/M06 A3007 RMK AO2 |
| 10:53 CST |  Overcast Fog And Mist | -5°C / 23°F | -6°C / 21°F | 93% | 1019 mb (30.09 in) | E 17 kph (E 10.4 mph) | - | 2 1/2SM |
| | KPIR 231653Z AUTO 08009KT 2 1/2SM BR OVC003 M05/M06 A3008 RMK AO2 SLP210 T10501056 |
| 09:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1019 mb (30.09 in) | ENE 19 kph (ENE 11.5 mph) | - | 2SM |
| | KPIR 231553Z AUTO 07010KT 2SM BR OVC003 M06/M06 A3008 RMK AO2 SLP210 T10561061 |
| 09:13 CST |  Overcast Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1019 mb (30.09 in) | ENE 15 kph (ENE 9.2 mph) | - | 1 3/4SM |
| | KPIR 231513Z AUTO 07008KT 1 3/4SM BR OVC003 M06/M06 A3008 RMK AO2 |
| 09:00 CST |  Overcast Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1018 mb (30.06 in) | ENE 13 kph (ENE 8.1 mph) | - | 2SM |
| | KPIR 231500Z AUTO 07007KT 2SM BR OVC003 M06/M06 A3007 RMK AO2 |
| 08:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1018 mb (30.06 in) | ENE 13 kph (ENE 8.1 mph) | - | 1 3/4SM |
| | KPIR 231453Z AUTO 06007KT 1 3/4SM BR OVC003 M06/M06 A3007 RMK AO2 SLP210 T10611061 53004 |
| 08:32 CST |  Overcast Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1018 mb (30.06 in) | ENE 15 kph (ENE 9.2 mph) | - | 1 1/4SM |
| | KPIR 231432Z AUTO 06008KT 1 1/4SM BR OVC003 M06/M06 A3007 RMK AO2 |
| 07:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | ENE 15 kph (ENE 9.2 mph) | - | 2 1/2SM |
| | KPIR 231353Z AUTO 06008KT 2 1/2SM BR OVC003 M06/M07 A3007 RMK AO2 SLP209 T10611067 |
| 06:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | ENE 13 kph (ENE 8.1 mph) | - | 2SM |
| | KPIR 231253Z AUTO 06007KT 2SM BR OVC003 M06/M07 A3007 RMK AO2 SLP207 T10611067 |
| 06:28 CST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | ENE 13 kph (ENE 8.1 mph) | - | 2SM |
| | KPIR 231228Z AUTO 07007KT 2SM BR OVC003 M06/M07 A3006 RMK AO2 |
| 06:18 CST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | ENE 11 kph (ENE 6.9 mph) | - | 1 3/4SM |
| | KPIR 231218Z AUTO 07006KT 1 3/4SM BR OVC003 M06/M07 A3006 RMK AO2 |
| 05:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | ENE 13 kph (ENE 8.1 mph) | - | 2SM |
| | KPIR 231153Z AUTO 06007KT 2SM BR OVC003 M06/M07 A3006 RMK AO2 SLP206 T10611067 11056 21061 58002 |
| 05:46 CST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | ENE 13 kph (ENE 8.1 mph) | - | 2SM |
| | KPIR 231146Z AUTO 06007KT 2SM BR OVC003 M06/M07 A3006 RMK AO2 |
| 04:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1018 mb (30.06 in) | ENE 13 kph (ENE 8.1 mph) | - | 1 3/4SM |
| | KPIR 231053Z AUTO 06007KT 1 3/4SM BR OVC003 M06/M06 A3006 RMK AO2 SLP205 T10611061 |
| 04:28 CST |  Overcast Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1018 mb (30.06 in) | ENE 13 kph (ENE 8.1 mph) | - | 1 3/4SM |
| | KPIR 231028Z AUTO 06007KT 1 3/4SM BR OVC003 M06/M06 A3006 RMK AO2 |
| 03:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1018 mb (30.06 in) | E 11 kph (E 6.9 mph) | - | 2 1/2SM |
| | KPIR 230953Z AUTO 08006KT 2 1/2SM BR OVC003 M06/M06 A3007 RMK AO2 SLP209 T10611061 |
| 02:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1018 mb (30.06 in) | E 17 kph (E 10.4 mph) | - | 2 1/2SM |
| | KPIR 230853Z AUTO 08009KT 2 1/2SM BR OVC003 M06/M06 A3007 RMK AO2 SLP208 T10611061 58003 |
| 02:11 CST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | E 15 kph (E 9.2 mph) | - | 2 1/2SM |
| | KPIR 230811Z AUTO 08008KT 2 1/2SM BR OVC003 M06/M07 A3007 RMK AO2 |
| 01:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | E 17 kph (E 10.4 mph) | - | 2 1/2SM |
| | KPIR 230753Z AUTO 09009KT 2 1/2SM BR OVC005 M06/M07 A3007 RMK AO2 SLPNO T10561067 |
| 00:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1019 mb (30.09 in) | E 17 kph (E 10.4 mph) | - | 2 1/2SM |
| | KPIR 230653Z AUTO 08009KT 2 1/2SM BR OVC005 M06/M06 A3008 RMK AO2 SLPNO T10561061 |
| 00:34 CST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1019 mb (30.09 in) | E 20 kph (E 12.7 mph) | - | 2 1/2SM |
| | KPIR 230634Z AUTO 08011KT 2 1/2SM BR OVC005 M06/M07 A3008 RMK AO2 |