| 10:35 CST |  Overcast | 15°C / 59°F | 11°C / 52°F | 77% | 1001 mb (29.56 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KPIB 021635Z AUTO 22008G15KT 180V270 10SM OVC016 15/11 A2957 RMK AO1 |
| 10:15 CST |  Overcast | 14°C / 57°F | 11°C / 52°F | 82% | 1001 mb (29.56 in) | SW 20 kph (SW 12.7 mph) | - | 10SM |
| | KPIB 021615Z AUTO 23011G18KT 10SM OVC018 14/11 A2957 RMK AO1 |
| 09:55 CST |  Overcast | 13°C / 55°F | 11°C / 52°F | 88% | 1001 mb (29.56 in) | SW 20 kph (SW 12.7 mph) | - | 10SM |
| | KPIB 021555Z AUTO 23011G17KT 10SM BKN013 OVC018 13/11 A2956 RMK AO1 |
| 09:35 CST |  Overcast | 13°C / 55°F | 11°C / 52°F | 88% | 1001 mb (29.56 in) | SW 20 kph (SW 12.7 mph) | - | 10SM |
| | KPIB 021535Z AUTO 23011G17KT 10SM SCT006 OVC011 13/11 A2955 RMK AO1 |
| 09:15 CST |  Overcast | 13°C / 55°F | 11°C / 52°F | 88% | 1001 mb (29.56 in) | SW 19 kph (SW 11.5 mph) | - | 10SM |
| | KPIB 021515Z AUTO 23010G15KT 200V270 10SM BKN006 OVC010 13/11 A2955 RMK AO1 |
| 08:55 CST |  Overcast | 11°C / 52°F | 9°C / 48°F | 88% | 1001 mb (29.56 in) | Calm | - | 3/4SM |
| | KPIB 021455Z AUTO 00000KT 3/4SM OVC003 11/09 A2955 RMK AO1 60001 52030 |
| 08:35 CST |  Overcast | 11°C / 52°F | 9°C / 48°F | 88% | 1000 mb (29.53 in) | Calm | - | 1/4SM |
| | KPIB 021435Z AUTO 00000KT 1/4SM OVC002 11/09 A2953 RMK AO1 |
| 08:15 CST |  Overcast | 10°C / 50°F | 8°C / 46°F | 88% | 1000 mb (29.53 in) | S 6 kph (S 3.5 mph) | - | 1/4SM |
| | KPIB 021415Z AUTO 19003KT 1/4SM OVC002 10/08 A2953 RMK AO1 |
| 07:55 CST |  Overcast | 10°C / 50°F | 8°C / 46°F | 88% | 1000 mb (29.53 in) | S 7 kph (S 4.6 mph) | 0.25 mm (0.01 in) | 1/4SM |
| | KPIB 021355Z AUTO 18004KT 1/4SM OVC002 10/08 A2953 RMK AO1 P0001 |
| 07:35 CST |  Overcast | 9°C / 48°F | 8°C / 46°F | 94% | 1000 mb (29.53 in) | Calm | - | 1/4SM |
| | KPIB 021335Z AUTO 00000KT 1/4SM OVC002 09/08 A2952 RMK AO1 |
| 07:15 CST |  Overcast | 9°C / 48°F | 8°C / 46°F | 94% | 1000 mb (29.53 in) | S 6 kph (S 3.5 mph) | - | 3/4SM |
| | KPIB 021315Z AUTO 18003KT 3/4SM OVC002 09/08 A2952 RMK AO1 |
| 06:55 CST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 999 mb (29.5 in) | Calm | - | 2SM |
| | KPIB 021255Z AUTO 00000KT 2SM OVC002 09/07 A2949 RMK AO1 |
| 06:35 CST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 998 mb (29.47 in) | SE 7 kph (SE 4.6 mph) | - | 5SM |
| | KPIB 021235Z AUTO 13004KT 5SM OVC003 09/07 A2946 RMK AO1 |
| 06:15 CST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 998 mb (29.47 in) | SE 6 kph (SE 3.5 mph) | - | 6SM |
| | KPIB 021215Z AUTO 12003KT 6SM OVC003 09/07 A2947 RMK AO1 |
| 05:55 CST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 998 mb (29.47 in) | Calm | - | 5SM |
| | KPIB 021155Z AUTO 00000KT 5SM BKN003 OVC009 09/07 A2946 RMK AO1 60036 70118 10120 20090 57044 |
| 05:35 CST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 998 mb (29.47 in) | Calm | - | 5SM |
| | KPIB 021135Z AUTO 00000KT 5SM OVC003 09/07 A2948 RMK AO1 |
| 05:15 CST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 999 mb (29.5 in) | Calm | - | 4SM |
| | KPIB 021115Z AUTO 00000KT 4SM OVC003 09/07 A2951 RMK AO1 |
| 04:55 CST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 999 mb (29.5 in) | Calm | - | 10SM |
| | KPIB 021055Z AUTO 00000KT 10SM OVC003 09/07 A2951 RMK AO1 |
| 04:35 CST |  Overcast | 9°C / 48°F | 8°C / 46°F | 94% | 999 mb (29.5 in) | Calm | - | 9SM |
| | KPIB 021035Z AUTO 00000KT 9SM BKN003 OVC011 09/08 A2949 RMK AO1 |
| 04:15 CST |  Overcast | 9°C / 48°F | 8°C / 46°F | 94% | 999 mb (29.5 in) | Calm | - | 5SM |
| | KPIB 021015Z AUTO 00000KT 5SM OVC013 09/08 A2950 RMK AO1 |
| 03:55 CST |  Overcast | 9°C / 48°F | 8°C / 46°F | 94% | 1000 mb (29.53 in) | Calm | 1.52 mm (0.06 in) | 5SM |
| | KPIB 020955Z AUTO 00000KT 5SM SCT005 OVC015 09/08 A2952 RMK AO1 P0006 |
| 03:35 CST |  Overcast | 10°C / 50°F | 8°C / 46°F | 88% | 1001 mb (29.56 in) | Calm | 1.52 mm (0.06 in) | 10SM |
| | KPIB 020935Z AUTO 00000KT 10SM BKN004 BKN023 OVC031 10/08 A2955 RMK AO1 P0006 |
| 03:15 CST |  Overcast | 10°C / 50°F | 8°C / 46°F | 88% | 1000 mb (29.53 in) | Calm | 1.52 mm (0.06 in) | 7SM |
| | KPIB 020915Z AUTO 00000KT 7SM SCT003 BKN009 OVC021 10/08 A2954 RMK AO1 P0006 |
| 02:55 CST |  Overcast | 10°C / 50°F | 8°C / 46°F | 88% | 1002 mb (29.59 in) | Calm | 7.62 mm (0.30 in) | 5SM |
| | KPIB 020855Z AUTO 00000KT 5SM BKN006 OVC015 10/08 A2959 RMK AO1 LTG DSNT NE P0030 60030 52010 |
| 02:35 CST |  Overcast | 11°C / 52°F | 8°C / 46°F | 82% | 1002 mb (29.59 in) | Calm | 2.79 mm (0.11 in) | 7SM |
| | KPIB 020835Z AUTO 00000KT 7SM OVC006 11/08 A2960 RMK AO1 LTG DSNT SE P0011 |
| 02:15 CST |  Overcast | 10°C / 50°F | 8°C / 46°F | 88% | 1000 mb (29.53 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KPIB 020815Z AUTO 08005KT 10SM BKN006 OVC018 10/08 A2954 RMK AO1 |
| 01:55 CST |  Overcast | 11°C / 52°F | 8°C / 46°F | 82% | 1000 mb (29.53 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KPIB 020755Z AUTO 08008KT 10SM FEW006 OVC018 11/08 A2952 RMK AO1 |
| 01:35 CST |  Overcast | 11°C / 52°F | 8°C / 46°F | 82% | 1001 mb (29.56 in) | ESE 19 kph (ESE 11.5 mph) | - | 10SM |
| | KPIB 020735Z AUTO 11010KT 10SM OVC022 11/08 A2955 RMK AO1 |
| 01:15 CST |  Overcast | 11°C / 52°F | 8°C / 46°F | 82% | 1001 mb (29.56 in) | ESE 17 kph (ESE 10.4 mph) | - | 10SM |
| | KPIB 020715Z AUTO 11009KT 10SM OVC024 11/08 A2955 RMK AO1 |
| 00:55 CST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1001 mb (29.56 in) | ESE 11 kph (ESE 6.9 mph) | - | 10SM |
| | KPIB 020655Z AUTO 11006KT 10SM FEW008 OVC028 12/09 A2955 RMK AO1 |
| 00:35 CST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1001 mb (29.56 in) | Calm | - | 10SM |
| | KPIB 020635Z AUTO 00000KT 10SM BKN008 OVC034 12/09 A2957 RMK AO1 |
| 00:15 CST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1001 mb (29.56 in) | ESE 7 kph (ESE 4.6 mph) | - | 10SM |
| | KPIB 020615Z AUTO 11004KT 10SM OVC006 12/09 A2957 RMK AO1 |