| 18:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1017 mb (30.03 in) | E 15 kph (E 9.2 mph) | - | 4SM |
| | KPIR 230053Z AUTO 08008KT 4SM BR OVC005 M06/M07 A3004 RMK AO2 SLPNO T10561067 |
| 17:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1017 mb (30.03 in) | E 20 kph (E 12.7 mph) | - | 5SM |
| | KPIR 222353Z AUTO 08011KT 5SM BR OVC005 M06/M07 A3003 RMK AO2 SLPNO T10561067 51008 |
| 16:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1017 mb (30.03 in) | E 19 kph (E 11.5 mph) | - | 3SM |
| | KPIR 222253Z AUTO 09010KT 3SM BR OVC005 M06/M06 A3002 RMK AO2 SLPNO T10561061 |
| 15:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1016 mb (30 in) | E 20 kph (E 12.7 mph) | - | 4SM |
| | KPIR 222153Z AUTO 10011KT 4SM BR OVC005 M06/M07 A3001 RMK AO2 SLPNO T10561067 |
| 14:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1016 mb (30 in) | E 19 kph (E 11.5 mph) | - | 3SM |
| | KPIR 222053Z AUTO 10010KT 3SM BR OVC005 M06/M07 A3000 RMK AO2 SLPNO T10561067 56014 |
| 14:33 CST |  Overcast Fog And Mist | N/A | N/A | N/A | 1016 mb (30 in) | E 19 kph (E 11.5 mph) | - | 3SM |
| | KPIR 222033Z AUTO 10010KT 3SM BR OVC005 A3000 RMK AO2 $ |
| 13:53 CST |  Overcast Fog And Mist | N/A | N/A | N/A | 1016 mb (30 in) | E 20 kph (E 12.7 mph) | - | 2SM |
| | KPIR 221953Z AUTO 09011KT 2SM BR OVC005 A3000 RMK AO2 SLPNO $ |
| 13:41 CST |  Overcast Fog And Mist | N/A | N/A | N/A | 1016 mb (30 in) | E 19 kph (E 11.5 mph) | - | 1 3/4SM |
| | KPIR 221941Z AUTO 09010KT 1 3/4SM BR OVC005 A3000 RMK AO2 CIG 003V006 $ |
| 13:16 CST |  Overcast Fog And Mist | N/A | N/A | N/A | 1017 mb (30.03 in) | E 17 kph (E 10.4 mph) | - | 2 1/2SM |
| | KPIR 221916Z AUTO 09009KT 2 1/2SM BR OVC007 A3002 RMK AO2 $ |
| 12:53 CST |  Overcast Hazy | N/A | N/A | N/A | 1017 mb (30.03 in) | E 19 kph (E 11.5 mph) | - | 4SM |
| | KPIR 221853Z AUTO 10010KT 4SM HZ OVC007 A3002 RMK AO2 SLPNO $ |
| 11:53 CST |  Overcast Hazy | N/A | N/A | N/A | 1017 mb (30.03 in) | E 11 kph (E 6.9 mph) | - | 5SM |
| | KPIR 221753Z AUTO 10006KT 5SM HZ OVC009 A3004 RMK AO2 SLPNO 50006 $ |
| 10:53 CST |  Overcast Hazy | N/A | N/A | N/A | 1018 mb (30.06 in) | E 15 kph (E 9.2 mph) | - | 5SM |
| | KPIR 221653Z AUTO 10008KT 5SM HZ OVC009 A3005 RMK AO2 SLPNO $ |
| 09:53 CST |  Overcast Hazy | N/A | N/A | N/A | 1017 mb (30.03 in) | E 15 kph (E 9.2 mph) | - | 5SM |
| | KPIR 221553Z AUTO 08008KT 5SM HZ OVC007 A3003 RMK AO2 CIG 005V010 SLPNO $ |
| 08:53 CST |  Overcast Hazy | N/A | N/A | N/A | 1017 mb (30.03 in) | E 15 kph (E 9.2 mph) | - | 4SM |
| | KPIR 221453Z AUTO 08008KT 4SM HZ OVC007 A3002 RMK AO2 CIG 005V009 SLPNO 51006 $ |
| 07:53 CST |  Overcast | N/A | N/A | N/A | 1016 mb (30 in) | ENE 13 kph (ENE 8.1 mph) | - | 7SM |
| | KPIR 221353Z AUTO 06007KT 7SM OVC009 A3001 RMK AO2 SLPNO $ |
| 06:53 CST |  Overcast | N/A | N/A | N/A | 1017 mb (30.03 in) | ENE 13 kph (ENE 8.1 mph) | - | 8SM |
| | KPIR 221253Z AUTO 07007KT 8SM OVC009 A3002 RMK AO2 SLPNO $ |
| 05:53 CST |  Overcast | N/A | N/A | N/A | 1016 mb (30 in) | E 15 kph (E 9.2 mph) | - | 8SM |
| | KPIR 221153Z AUTO 08008KT 8SM OVC009 A3000 RMK AO2 CIG 006V010 SLPNO 54000 $ |
| 05:39 CST |  Overcast | N/A | N/A | N/A | 1016 mb (30 in) | ENE 13 kph (ENE 8.1 mph) | - | 8SM |
| | KPIR 221139Z AUTO 07007KT 8SM OVC009 A3000 RMK AO2 CIG 006V011 $ |
| 05:13 CST |  Overcast | N/A | N/A | N/A | 1016 mb (30 in) | E 13 kph (E 8.1 mph) | - | 9SM |
| | KPIR 221113Z AUTO 08007KT 9SM FEW006 OVC011 A3000 RMK AO2 $ |
| 04:53 CST |  Overcast | N/A | N/A | N/A | 1016 mb (30 in) | ENE 17 kph (ENE 10.4 mph) | - | 9SM |
| | KPIR 221053Z AUTO 07009KT 9SM OVC011 A3000 RMK AO2 SLPNO $ |
| 03:53 CST |  Overcast | N/A | N/A | N/A | 1016 mb (30 in) | ENE 13 kph (ENE 8.1 mph) | - | 10SM |
| | KPIR 220953Z AUTO 07007KT 10SM OVC011 A3000 RMK AO2 SLPNO $ |
| 03:09 CST |  Overcast | N/A | N/A | N/A | 1016 mb (30 in) | E 17 kph (E 10.4 mph) | - | 10SM |
| | KPIR 220909Z AUTO 08009KT 10SM OVC013 A3001 RMK AO2 $ |
| 02:53 CST |  Overcast | N/A | N/A | N/A | 1016 mb (30 in) | ENE 17 kph (ENE 10.4 mph) | - | 10SM |
| | KPIR 220853Z AUTO 07009KT 10SM OVC015 A3000 RMK AO2 SLPNO 53003 $ |
| 01:53 CST |  Overcast | N/A | N/A | N/A | 1016 mb (30 in) | ENE 17 kph (ENE 10.4 mph) | - | 10SM |
| | KPIR 220753Z AUTO 07009KT 10SM FEW009 OVC015 A2999 RMK AO2 SLPNO $ |
| 01:34 CST |  Overcast | N/A | N/A | N/A | 1016 mb (30 in) | ENE 17 kph (ENE 10.4 mph) | - | 10SM |
| | KPIR 220734Z AUTO 07009KT 10SM FEW009 OVC015 A3000 RMK AO2 $ |
| 00:53 CST |  Overcast | N/A | N/A | N/A | 1016 mb (30 in) | ENE 24 kph (ENE 15 mph) | - | 10SM |
| | KPIR 220653Z AUTO 07013KT 10SM OVC017 A2999 RMK AO2 SLPNO $ |