| 07:25 CST |  Overcast | -4°C / 25°F | -9°C / 16°F | 69% | 1021 mb (30.15 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KIGQ 041325Z AUTO 25011KT 10SM OVC026 M04/M09 A3014 RMK AO2 |
| 07:05 CST |  Overcast | -4°C / 25°F | -8°C / 18°F | 74% | 1020 mb (30.12 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KIGQ 041305Z AUTO 25009KT 10SM OVC026 M04/M08 A3013 RMK AO2 |
| 06:45 CST |  Overcast | -4°C / 25°F | -9°C / 16°F | 69% | 1020 mb (30.12 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KIGQ 041245Z AUTO 25008KT 10SM OVC028 M04/M09 A3013 RMK AO2 |
| 06:25 CST |  Overcast | -4°C / 25°F | -9°C / 16°F | 69% | 1020 mb (30.12 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KIGQ 041225Z AUTO 25008KT 10SM OVC028 M04/M09 A3012 RMK AO2 |
| 06:07 CST |  Overcast | -4°C / 25°F | -9°C / 16°F | 69% | 1020 mb (30.12 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KIGQ 041207Z AUTO 25009KT 10SM BKN024 OVC030 M04/M09 A3012 RMK AO2 |
| 05:45 CST |  Overcast | -4°C / 25°F | -9°C / 16°F | 69% | 1020 mb (30.12 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KIGQ 041145Z AUTO 26010G16KT 10SM OVC022 M04/M09 A3011 RMK AO2 |
| 05:25 CST |  Overcast | -4°C / 25°F | -9°C / 16°F | 69% | 1020 mb (30.12 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KIGQ 041125Z AUTO 26009G18KT 10SM OVC022 M04/M09 A3011 RMK AO2 |
| 05:05 CST |  Mostly Cloudy | -4°C / 25°F | -9°C / 16°F | 69% | 1020 mb (30.12 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KIGQ 041105Z AUTO 26012G18KT 10SM BKN024 M04/M09 A3011 RMK AO2 |
| 04:45 CST |  Mostly Cloudy | -4°C / 25°F | -9°C / 16°F | 69% | 1019 mb (30.09 in) | SSW 24 kph (SSW 15 mph) | - | 10SM |
| | KIGQ 041045Z AUTO 26013G19KT 10SM BKN020 BKN025 M04/M09 A3010 RMK AO2 |
| 04:25 CST |  Partly Cloudy | -4°C / 25°F | -9°C / 16°F | 69% | 1019 mb (30.09 in) | SSW 26 kph (SSW 16.1 mph) | - | 10SM |
| | KIGQ 041025Z AUTO 26014G18KT 10SM SCT020 M04/M09 A3010 RMK AO2 |
| 04:05 CST |  Partly Cloudy | -4°C / 25°F | -9°C / 16°F | 69% | 1019 mb (30.09 in) | W 24 kph (W 15 mph) | - | 10SM |
| | KIGQ 041005Z AUTO 27013G19KT 10SM SCT020 M04/M09 A3010 RMK AO2 |
| 03:45 CST |  Partly Cloudy | -4°C / 25°F | -9°C / 16°F | 69% | 1019 mb (30.09 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KIGQ 040945Z AUTO 26012G18KT 10SM SCT020 M04/M09 A3010 RMK AO2 |
| 03:25 CST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1019 mb (30.09 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KIGQ 040925Z AUTO 26011G19KT 10SM CLR M04/M08 A3009 RMK AO2 |
| 03:05 CST |  Partly Cloudy | -4°C / 25°F | -8°C / 18°F | 74% | 1019 mb (30.09 in) | SSW 24 kph (SSW 15 mph) | - | 10SM |
| | KIGQ 040905Z AUTO 26013KT 10SM SCT023 M04/M08 A3009 RMK AO2 |
| 02:45 CST |  Partly Cloudy | -3°C / 27°F | -8°C / 18°F | 69% | 1019 mb (30.09 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KIGQ 040845Z AUTO 26012KT 10SM SCT023 M03/M08 A3009 RMK AO2 |
| 02:25 CST |  Mostly Cloudy | -3°C / 27°F | -8°C / 18°F | 69% | 1019 mb (30.09 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KIGQ 040825Z AUTO 26009G14KT 10SM BKN023 M03/M08 A3008 RMK AO2 |
| 02:05 CST |  Partly Cloudy | -4°C / 25°F | -8°C / 18°F | 74% | 1019 mb (30.09 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KIGQ 040805Z AUTO 24009KT 10SM SCT023 M04/M08 A3008 RMK AO2 |
| 01:45 CST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1019 mb (30.09 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KIGQ 040745Z AUTO 24007KT 10SM CLR M04/M08 A3008 RMK AO2 |
| 01:25 CST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1019 mb (30.09 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KIGQ 040725Z AUTO 24008KT 10SM CLR M04/M08 A3008 RMK AO2 |
| 00:45 CST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1018 mb (30.06 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KIGQ 040645Z AUTO 23007KT 10SM CLR M04/M08 A3007 RMK AO2 |
| 00:25 CST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1018 mb (30.06 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KIGQ 040625Z AUTO 25008KT 10SM CLR M04/M09 A3007 RMK AO2 |
| 00:05 CST |  Clear | -4°C / 25°F | -9°C / 16°F | 69% | 1018 mb (30.06 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KIGQ 040605Z AUTO 25008KT 10SM CLR M04/M09 A3007 RMK AO2 |