| 18:35 CST |  Overcast | -5°C / 23°F | -8°C / 18°F | 80% | 1008 mb (29.77 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KGPZ 270035Z AUTO 13003KT 10SM FEW009 OVC048 M05/M08 A2977 RMK AO1 |
| 18:15 CST |  Overcast | -5°C / 23°F | -8°C / 18°F | 80% | 1008 mb (29.77 in) | SE 11 kph (SE 6.9 mph) | - | 10SM |
| | KGPZ 270015Z AUTO 13006KT 10SM FEW008 SCT021 OVC044 M05/M08 A2976 RMK AO1 |
| 17:55 CST |  Overcast | -5°C / 23°F | -8°C / 18°F | 80% | 1007 mb (29.74 in) | SE 13 kph (SE 8.1 mph) | - | 10SM |
| | KGPZ 262355Z AUTO 12007KT 10SM BKN008 OVC038 M05/M08 A2975 RMK AO1 11010 21050 400101050 52034 |
| 17:35 CST |  Overcast | -4°C / 25°F | -6°C / 21°F | 86% | 1007 mb (29.74 in) | ESE 17 kph (ESE 10.4 mph) | - | 8SM |
| | KGPZ 262335Z AUTO 11009G15KT 8SM OVC008 M04/M06 A2974 RMK AO1 |
| 17:15 CST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1006 mb (29.71 in) | SE 11 kph (SE 6.9 mph) | - | 3SM |
| | KGPZ 262315Z AUTO 12006KT 3SM OVC008 M03/M06 A2971 RMK AO1 |
| 16:55 CST |  Overcast | -3°C / 27°F | -5°C / 23°F | 86% | 1006 mb (29.71 in) | SSE 9 kph (SSE 5.8 mph) | - | 2 1/2SM |
| | KGPZ 262255Z AUTO 15005KT 2 1/2SM BKN005 BKN012 OVC018 M03/M05 A2970 RMK AO1 |
| 16:35 CST |  Overcast | -3°C / 27°F | -5°C / 23°F | 86% | 1006 mb (29.71 in) | SE 6 kph (SE 3.5 mph) | - | 1SM |
| | KGPZ 262235Z AUTO 13003KT 1SM BKN006 OVC013 M03/M05 A2970 RMK AO1 |
| 16:15 CST |  Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 1005 mb (29.68 in) | E 7 kph (E 4.6 mph) | - | 1/2SM |
| | KGPZ 262215Z AUTO 10004KT 1/2SM OVC008 M02/M03 A2969 RMK AO1 |
| 15:55 CST |  Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 1005 mb (29.68 in) | NNE 9 kph (NNE 5.8 mph) | - | 1 1/4SM |
| | KGPZ 262155Z AUTO 02005KT 1 1/4SM BKN006 OVC013 M02/M03 A2967 RMK AO1 |
| 15:35 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1005 mb (29.68 in) | N 9 kph (N 5.8 mph) | - | 3/4SM |
| | KGPZ 262135Z AUTO 01005KT 3/4SM OVC008 M01/M03 A2967 RMK AO1 |
| 15:15 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1004 mb (29.65 in) | N 9 kph (N 5.8 mph) | - | 2SM |
| | KGPZ 262115Z AUTO 01005KT 2SM BKN006 OVC012 M01/M03 A2965 RMK AO1 |
| 14:55 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1004 mb (29.65 in) | N 11 kph (N 6.9 mph) | - | 2SM |
| | KGPZ 262055Z AUTO 36006KT 2SM BKN006 OVC017 M01/M03 A2965 RMK AO1 52010 |
| 14:35 CST |  Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 1003 mb (29.62 in) | N 13 kph (N 8.1 mph) | - | 2SM |
| | KGPZ 262035Z AUTO 36007KT 2SM OVC006 M02/M03 A2963 RMK AO1 |
| 14:15 CST |  Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 1003 mb (29.62 in) | N 13 kph (N 8.1 mph) | - | 1 1/4SM |
| | KGPZ 262015Z AUTO 35007KT 1 1/4SM OVC006 M02/M03 A2963 RMK AO1 |
| 13:55 CST |  Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 1003 mb (29.62 in) | N 13 kph (N 8.1 mph) | - | 1 1/4SM |
| | KGPZ 261955Z AUTO 36007KT 1 1/4SM OVC008 M02/M03 A2962 RMK AO1 |
| 13:35 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1003 mb (29.62 in) | N 13 kph (N 8.1 mph) | - | 1SM |
| | KGPZ 261935Z AUTO 35007KT 1SM OVC008 M01/M03 A2962 RMK AO1 |
| 13:15 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1003 mb (29.62 in) | N 15 kph (N 9.2 mph) | - | 1 1/4SM |
| | KGPZ 261915Z AUTO 36008KT 1 1/4SM OVC008 M01/M03 A2962 RMK AO1 |
| 12:55 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1003 mb (29.62 in) | N 15 kph (N 9.2 mph) | - | 1 1/4SM |
| | KGPZ 261855Z AUTO 36008KT 1 1/4SM BKN008 OVC012 M01/M03 A2962 RMK AO1 |
| 12:35 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1003 mb (29.62 in) | N 13 kph (N 8.1 mph) | - | 1 3/4SM |
| | KGPZ 261835Z AUTO 01007KT 1 3/4SM OVC008 M01/M03 A2961 RMK AO1 |
| 12:15 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1003 mb (29.62 in) | N 13 kph (N 8.1 mph) | - | 1 1/4SM |
| | KGPZ 261815Z AUTO 36007KT 1 1/4SM OVC008 M01/M03 A2961 RMK AO1 |
| 11:55 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1003 mb (29.62 in) | N 17 kph (N 10.4 mph) | - | 1 3/4SM |
| | KGPZ 261755Z AUTO 36009KT 1 3/4SM OVC008 M01/M03 A2962 RMK AO1 11010 21020 57003 |
| 11:35 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1003 mb (29.62 in) | N 15 kph (N 9.2 mph) | - | 3/4SM |
| | KGPZ 261735Z AUTO 36008KT 3/4SM OVC008 M01/M03 A2963 RMK AO1 |
| 11:15 CST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1003 mb (29.62 in) | N 15 kph (N 9.2 mph) | - | 1 1/2SM |
| | KGPZ 261715Z AUTO 36008G15KT 1 1/2SM OVC010 M01/M03 A2963 RMK AO1 |
| 10:55 CST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1003 mb (29.62 in) | N 15 kph (N 9.2 mph) | - | 1 1/2SM |
| | KGPZ 261655Z AUTO 01008KT 1 1/2SM OVC010 M01/M04 A2963 RMK AO1 |
| 10:35 CST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1004 mb (29.65 in) | N 13 kph (N 8.1 mph) | - | 5SM |
| | KGPZ 261635Z AUTO 36007KT 5SM BKN010 OVC034 M01/M04 A2964 RMK AO1 |
| 10:15 CST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1004 mb (29.65 in) | N 19 kph (N 11.5 mph) | - | 4SM |
| | KGPZ 261615Z AUTO 36010G15KT 4SM SCT010 OVC034 M01/M04 A2964 RMK AO1 |
| 09:55 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1004 mb (29.65 in) | N 15 kph (N 9.2 mph) | - | 3SM |
| | KGPZ 261555Z AUTO 01008KT 340V040 3SM SCT010 BKN034 OVC041 M02/M04 A2964 RMK AO1 |
| 09:35 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1004 mb (29.65 in) | N 13 kph (N 8.1 mph) | - | 2 1/2SM |
| | KGPZ 261535Z AUTO 01007KT 2 1/2SM BKN010 OVC030 M02/M04 A2964 RMK AO1 |
| 09:15 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1004 mb (29.65 in) | NNE 15 kph (NNE 9.2 mph) | - | 10SM |
| | KGPZ 261515Z AUTO 02008KT 10SM SCT010 BKN030 OVC040 M02/M04 A2964 RMK AO1 |
| 08:55 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1003 mb (29.62 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KGPZ 261455Z AUTO 01008KT 10SM SCT024 BKN030 OVC050 M02/M04 A2963 RMK AO1 52003 |
| 08:35 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1003 mb (29.62 in) | NNE 9 kph (NNE 5.8 mph) | - | 10SM |
| | KGPZ 261435Z AUTO 02005KT 10SM FEW017 BKN024 OVC050 M02/M04 A2963 RMK AO1 |
| 08:15 CST |  Mostly Cloudy | -2°C / 28°F | -4°C / 25°F | 86% | 1003 mb (29.62 in) | NNE 11 kph (NNE 6.9 mph) | - | 10SM |
| | KGPZ 261415Z AUTO 02006G14KT 10SM FEW015 SCT024 BKN039 M02/M04 A2963 RMK AO1 |
| 07:55 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1003 mb (29.62 in) | NE 17 kph (NE 10.4 mph) | - | 10SM |
| | KGPZ 261355Z AUTO 03009KT 10SM BKN032 OVC040 M02/M04 A2963 RMK AO1 |
| 07:35 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1003 mb (29.62 in) | NNE 15 kph (NNE 9.2 mph) | - | 10SM |
| | KGPZ 261335Z AUTO 02008KT 10SM SCT022 OVC032 M02/M04 A2963 RMK AO1 |
| 07:15 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1003 mb (29.62 in) | NNE 15 kph (NNE 9.2 mph) | - | 9SM |
| | KGPZ 261315Z AUTO 02008G15KT 9SM SCT010 OVC023 M02/M04 A2963 RMK AO1 |
| 06:55 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1003 mb (29.62 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KGPZ 261255Z AUTO 01007KT 10SM BKN010 BKN026 OVC037 M02/M04 A2963 RMK AO1 |
| 06:35 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1003 mb (29.62 in) | NNE 17 kph (NNE 10.4 mph) | - | 10SM |
| | KGPZ 261235Z AUTO 02009KT 10SM OVC010 M02/M04 A2963 RMK AO1 |
| 06:15 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1003 mb (29.62 in) | NNE 24 kph (NNE 15 mph) | - | 10SM |
| | KGPZ 261215Z AUTO 02013G16KT 10SM BKN012 OVC075 M02/M04 A2963 RMK AO1 |
| 05:55 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1003 mb (29.62 in) | NE 17 kph (NE 10.4 mph) | - | 10SM |
| | KGPZ 261155Z AUTO 03009G15KT 10SM FEW010 SCT025 OVC075 M02/M04 A2962 RMK AO1 70009 11010 21020 52007 |
| 05:35 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1003 mb (29.62 in) | NNE 17 kph (NNE 10.4 mph) | - | 3SM |
| | KGPZ 261135Z AUTO 02009KT 3SM BKN008 BKN023 OVC055 M02/M04 A2961 RMK AO1 |
| 05:15 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1003 mb (29.62 in) | N 15 kph (N 9.2 mph) | - | 3SM |
| | KGPZ 261115Z AUTO 01008KT 3SM BKN008 BKN014 OVC026 M02/M04 A2961 RMK AO1 |
| 04:55 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1003 mb (29.62 in) | NNE 15 kph (NNE 9.2 mph) | - | 3SM |
| | KGPZ 261055Z AUTO 02008G14KT 3SM SCT008 BKN014 OVC025 M02/M04 A2961 RMK AO1 |
| 04:35 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NNE 17 kph (NNE 10.4 mph) | - | 2SM |
| | KGPZ 261035Z AUTO 02009G15KT 2SM BKN008 OVC016 M02/M04 A2960 RMK AO1 |
| 04:15 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NNE 17 kph (NNE 10.4 mph) | - | 2 1/2SM |
| | KGPZ 261015Z AUTO 02009G16KT 2 1/2SM SCT008 BKN012 OVC025 M02/M04 A2960 RMK AO1 |
| 03:55 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NE 15 kph (NE 9.2 mph) | - | 10SM |
| | KGPZ 260955Z AUTO 03008KT 350V050 10SM FEW010 BKN022 OVC034 M02/M04 A2960 RMK AO1 |
| 03:35 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NE 15 kph (NE 9.2 mph) | - | 10SM |
| | KGPZ 260935Z AUTO 03008KT 10SM SCT012 OVC022 M02/M04 A2960 RMK AO1 |
| 03:15 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NNE 20 kph (NNE 12.7 mph) | - | 6SM |
| | KGPZ 260915Z AUTO 02011G14KT 6SM OVC010 M02/M04 A2960 RMK AO1 |
| 02:55 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NE 15 kph (NE 9.2 mph) | - | 10SM |
| | KGPZ 260855Z AUTO 03008G17KT 10SM OVC010 M02/M04 A2960 RMK AO1 52003 |
| 02:35 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NNE 15 kph (NNE 9.2 mph) | - | 5SM |
| | KGPZ 260835Z AUTO 02008KT 5SM SCT010 BKN017 OVC022 M02/M04 A2960 RMK AO1 |
| 02:15 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NNE 17 kph (NNE 10.4 mph) | - | 3SM |
| | KGPZ 260815Z AUTO 02009KT 3SM SCT010 BKN017 OVC022 M02/M04 A2960 RMK AO1 |
| 01:55 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | N 19 kph (N 11.5 mph) | - | 4SM |
| | KGPZ 260755Z AUTO 01010G14KT 4SM BKN010 OVC014 M02/M04 A2959 RMK AO1 |
| 01:35 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NE 19 kph (NE 11.5 mph) | - | 5SM |
| | KGPZ 260735Z AUTO 03010KT 5SM OVC010 M02/M04 A2959 RMK AO1 |
| 01:15 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NNE 19 kph (NNE 11.5 mph) | - | 10SM |
| | KGPZ 260715Z AUTO 02010KT 10SM OVC010 M02/M04 A2959 RMK AO1 |
| 00:55 CST |  Overcast | -2°C / 28°F | -4°C / 25°F | 86% | 1002 mb (29.59 in) | NNE 15 kph (NNE 9.2 mph) | - | 10SM |
| | KGPZ 260655Z AUTO 02008G14KT 10SM OVC010 M02/M04 A2959 RMK AO1 |
| 00:35 CST |  Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 1002 mb (29.59 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KGPZ 260635Z AUTO 01009KT 10SM OVC010 M02/M03 A2958 RMK AO1 |
| 00:15 CST |  Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 1002 mb (29.59 in) | N 17 kph (N 10.4 mph) | - | 7SM |
| | KGPZ 260615Z AUTO 01009KT 7SM OVC010 M02/M03 A2959 RMK AO1 |