| 11:35 CST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1019 mb (30.09 in) | ENE 13 kph (ENE 8.1 mph) | - | 2SM |
| | KAIG 081735Z AUTO 07007KT 2SM -SN OVC019 M06/M09 A3008 RMK AO2 |
| 11:15 CST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1019 mb (30.09 in) | E 11 kph (E 6.9 mph) | - | 2SM |
| | KAIG 081715Z AUTO 08006KT 2SM -SN BKN017 OVC027 M06/M09 A3009 RMK AO2 |
| 10:55 CST |  Overcast Light Snow | -7°C / 19°F | -10°C / 14°F | 79% | 1020 mb (30.12 in) | E 17 kph (E 10.4 mph) | - | 5SM |
| | KAIG 081655Z AUTO 10009KT 5SM -SN SCT029 BKN033 OVC042 M07/M10 A3011 RMK AO2 |
| 10:35 CST |  Overcast Light Snow | -7°C / 19°F | -11°C / 12°F | 73% | 1020 mb (30.12 in) | E 17 kph (E 10.4 mph) | - | 7SM |
| | KAIG 081635Z AUTO 10009KT 7SM -SN SCT035 OVC044 M07/M11 A3013 RMK AO2 |
| 10:15 CST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1021 mb (30.15 in) | ESE 17 kph (ESE 10.4 mph) | - | 10SM |
| | KAIG 081615Z AUTO 11009KT 10SM OVC045 M06/M11 A3015 RMK AO2 |
| 09:55 CST |  Overcast | -6°C / 21°F | -12°C / 10°F | 63% | 1021 mb (30.15 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KAIG 081555Z AUTO 10008KT 10SM BKN047 OVC060 M06/M12 A3016 RMK AO2 |
| 09:35 CST |  Overcast | -7°C / 19°F | -12°C / 10°F | 68% | 1021 mb (30.15 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KAIG 081535Z AUTO 09011KT 10SM BKN049 OVC060 M07/M12 A3015 RMK AO2 |
| 09:15 CST |  Overcast | -7°C / 19°F | -12°C / 10°F | 68% | 1021 mb (30.15 in) | E 20 kph (E 12.7 mph) | - | 10SM |
| | KAIG 081515Z AUTO 10011KT 10SM SCT049 OVC060 M07/M12 A3016 RMK AO2 |
| 08:55 CST |  Overcast | -7°C / 19°F | -12°C / 10°F | 68% | 1021 mb (30.15 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KAIG 081455Z AUTO 08006KT 10SM SCT033 OVC070 M07/M12 A3016 RMK AO2 |
| 08:35 CST |  Overcast | -7°C / 19°F | -12°C / 10°F | 68% | 1021 mb (30.15 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KAIG 081435Z AUTO 09007KT 10SM SCT036 BKN055 OVC070 M07/M12 A3016 RMK AO2 |
| 08:15 CST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1022 mb (30.18 in) | E 13 kph (E 8.1 mph) | - | 10SM |
| | KAIG 081415Z AUTO 09007KT 10SM SCT041 BKN060 OVC070 M08/M12 A3017 RMK AO2 |
| 07:55 CST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1022 mb (30.18 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KAIG 081355Z AUTO 08005KT 10SM SCT050 SCT080 OVC095 M08/M12 A3017 RMK AO2 |
| 07:35 CST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1022 mb (30.18 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KAIG 081335Z AUTO 09004KT 10SM SCT075 OVC095 M08/M12 A3017 RMK AO2 |
| 07:15 CST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1022 mb (30.18 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KAIG 081315Z AUTO 08003KT 10SM OVC095 M08/M12 A3017 RMK AO2 |
| 06:55 CST |  Overcast | -8°C / 18°F | -12°C / 10°F | 73% | 1022 mb (30.18 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KAIG 081255Z AUTO 08004KT 10SM OVC095 M08/M12 A3017 RMK AO2 |
| 06:35 CST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1022 mb (30.18 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KAIG 081235Z AUTO 08005KT 10SM SCT035 OVC095 M08/M11 A3018 RMK AO2 |
| 06:15 CST |  Overcast | -8°C / 18°F | -11°C / 12°F | 79% | 1022 mb (30.18 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KAIG 081215Z AUTO 08003KT 10SM BKN035 OVC110 M08/M11 A3019 RMK AO2 |
| 05:55 CST |  Mostly Cloudy | -8°C / 18°F | -11°C / 12°F | 79% | 1022 mb (30.18 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KAIG 081155Z AUTO 09003KT 10SM SCT035 BKN110 M08/M11 A3019 RMK AO2 |
| 05:35 CST |  Partly Cloudy | -8°C / 18°F | -11°C / 12°F | 79% | 1022 mb (30.18 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KAIG 081135Z AUTO 09003KT 10SM SCT035 M08/M11 A3018 RMK AO2 |
| 05:15 CST |  Partly Cloudy | -9°C / 16°F | -11°C / 12°F | 86% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KAIG 081115Z AUTO 00000KT 10SM SCT035 SCT110 M09/M11 A3018 RMK AO2 |
| 04:55 CST |  Partly Cloudy | -8°C / 18°F | -10°C / 14°F | 86% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KAIG 081055Z AUTO 00000KT 10SM SCT120 M08/M10 A3018 RMK AO2 |
| 04:35 CST |  Partly Cloudy | -9°C / 16°F | -10°C / 14°F | 93% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KAIG 081035Z AUTO 00000KT 10SM SCT027 M09/M10 A3019 RMK AO2 |
| 04:15 CST |  Mostly Cloudy | -9°C / 16°F | -10°C / 14°F | 93% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KAIG 081015Z AUTO 00000KT 10SM BKN029 M09/M10 A3019 RMK AO2 |
| 03:55 CST |  Mostly Cloudy | -9°C / 16°F | -11°C / 12°F | 86% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KAIG 080955Z AUTO 00000KT 10SM BKN029 M09/M11 A3019 RMK AO2 |
| 03:35 CST |  Overcast | -9°C / 16°F | -10°C / 14°F | 93% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KAIG 080935Z AUTO 00000KT 10SM OVC029 M09/M10 A3020 RMK AO2 |
| 03:15 CST |  Overcast | -9°C / 16°F | -11°C / 12°F | 86% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KAIG 080915Z AUTO 00000KT 10SM OVC029 M09/M11 A3020 RMK AO2 |
| 02:55 CST |  Mostly Cloudy | -10°C / 14°F | -11°C / 12°F | 92% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KAIG 080855Z AUTO 00000KT 10SM BKN033 M10/M11 A3020 RMK AO2 |
| 02:35 CST |  Mostly Cloudy | -9°C / 16°F | -10°C / 14°F | 93% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KAIG 080835Z AUTO 00000KT 10SM BKN033 M09/M10 A3021 RMK AO2 |
| 02:15 CST |  Partly Cloudy | -9°C / 16°F | -11°C / 12°F | 86% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KAIG 080815Z AUTO 00000KT 10SM SCT033 M09/M11 A3021 RMK AO2 |
| 01:55 CST |  Partly Cloudy | -9°C / 16°F | -10°C / 14°F | 93% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KAIG 080755Z AUTO 00000KT 10SM SCT033 M09/M10 A3021 RMK AO2 |
| 01:35 CST |  Clear | -9°C / 16°F | -10°C / 14°F | 93% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KAIG 080735Z AUTO 00000KT 10SM CLR M09/M10 A3020 RMK AO2 |
| 01:15 CST |  Partly Cloudy | -9°C / 16°F | -10°C / 14°F | 93% | 1023 mb (30.21 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KAIG 080715Z AUTO 01003KT 10SM SCT040 M09/M10 A3020 RMK AO2 |
| 00:55 CST |  Mostly Cloudy | -8°C / 18°F | -10°C / 14°F | 86% | 1023 mb (30.21 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KAIG 080655Z AUTO 01003KT 10SM BKN040 M08/M10 A3020 RMK AO2 |
| 00:35 CST |  Overcast | -8°C / 18°F | -9°C / 16°F | 93% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KAIG 080635Z AUTO 00000KT 10SM OVC042 M08/M09 A3021 RMK AO2 |
| 00:15 CST |  Overcast | -8°C / 18°F | -9°C / 16°F | 93% | 1023 mb (30.21 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KAIG 080615Z AUTO 36003KT 10SM OVC040 M08/M09 A3021 RMK AO2 |