| 16:21 CST |  Overcast | -2°C / 28°F | -9°C / 16°F | 59% | 1023 mb (30.21 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KAAA 042221Z AUTO 23005KT 10SM OVC031 M02/M09 A3021 RMK AO2 T10181087 |
| 16:01 CST |  Overcast | -2°C / 28°F | -8°C / 18°F | 64% | 1023 mb (30.21 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KAAA 042201Z AUTO 24004KT 10SM OVC029 M02/M08 A3021 RMK AO2 T10181077 |
| 15:41 CST |  Overcast | -2°C / 28°F | -8°C / 18°F | 64% | 1023 mb (30.21 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KAAA 042141Z AUTO 23004KT 10SM OVC029 M02/M08 A3021 RMK AO2 T10161078 |
| 15:21 CST |  Overcast | -2°C / 28°F | -8°C / 18°F | 64% | 1023 mb (30.21 in) | SW 6 kph (SW 3.5 mph) | - | 10SM |
| | KAAA 042121Z AUTO 22003KT 10SM OVC031 M02/M08 A3021 RMK AO2 T10161083 |
| 15:01 CST |  Overcast | -1°C / 30°F | -8°C / 18°F | 59% | 1023 mb (30.21 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KAAA 042101Z AUTO 22006KT 10SM OVC031 M01/M08 A3022 RMK AO2 T10151085 |
| 14:41 CST |  Overcast | -1°C / 30°F | -8°C / 18°F | 59% | 1023 mb (30.21 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KAAA 042041Z AUTO 23006KT 10SM OVC031 M01/M08 A3022 RMK AO2 T10141085 |
| 14:21 CST |  Overcast | -1°C / 30°F | -8°C / 18°F | 59% | 1023 mb (30.21 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KAAA 042021Z AUTO 22004KT 10SM OVC031 M01/M08 A3021 RMK AO2 T10151085 |
| 14:01 CST |  Overcast | -1°C / 30°F | -9°C / 16°F | 55% | 1023 mb (30.21 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KAAA 042001Z AUTO 25003KT 10SM OVC033 M01/M09 A3021 RMK AO2 T10151086 |
| 13:41 CST |  Overcast | -1°C / 30°F | -9°C / 16°F | 55% | 1023 mb (30.21 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KAAA 041941Z AUTO 23004KT 10SM OVC033 M01/M09 A3020 RMK AO2 T10151088 |
| 13:21 CST |  Overcast | -1°C / 30°F | -9°C / 16°F | 55% | 1023 mb (30.21 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KAAA 041921Z AUTO 27003KT 10SM OVC031 M01/M09 A3020 RMK AO2 T10151086 |
| 13:01 CST |  Overcast | -1°C / 30°F | -9°C / 16°F | 55% | 1023 mb (30.21 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KAAA 041901Z AUTO 25004KT 10SM OVC031 M01/M09 A3020 RMK AO2 T10151090 |
| 12:41 CST |  Overcast | -2°C / 28°F | -9°C / 16°F | 59% | 1023 mb (30.21 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KAAA 041841Z AUTO 29004KT 10SM OVC029 M02/M09 A3021 RMK AO2 T10171087 |
| 12:21 CST |  Overcast | -2°C / 28°F | -8°C / 18°F | 64% | 1023 mb (30.21 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KAAA 041821Z AUTO 24003KT 10SM OVC027 M02/M08 A3022 RMK AO2 T10161085 |
| 12:01 CST |  Overcast | -2°C / 28°F | -8°C / 18°F | 64% | 1024 mb (30.24 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KAAA 041801Z AUTO 29004KT 10SM OVC027 M02/M08 A3023 RMK AO2 T10191084 |
| 11:41 CST |  Overcast | -2°C / 28°F | -8°C / 18°F | 64% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KAAA 041741Z AUTO 00000KT 10SM OVC027 M02/M08 A3023 RMK AO2 T10171083 |
| 11:21 CST |  Overcast | -2°C / 28°F | -8°C / 18°F | 64% | 1024 mb (30.24 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KAAA 041721Z AUTO 28006KT 10SM OVC027 M02/M08 A3024 RMK AO2 T10211081 |
| 11:01 CST |  Overcast Light Snow | -2°C / 28°F | -8°C / 18°F | 64% | 1024 mb (30.24 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KAAA 041701Z AUTO 28003KT 10SM -SN OVC027 M02/M08 A3025 RMK AO2 T10211080 |
| 10:41 CST |  Overcast Light Snow | -2°C / 28°F | -7°C / 19°F | 69% | 1024 mb (30.24 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KAAA 041641Z AUTO 29004KT 10SM -SN SCT020 OVC027 M02/M07 A3025 RMK AO2 T10221074 |
| 10:21 CST |  Overcast Light Snow | -2°C / 28°F | -7°C / 19°F | 69% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KAAA 041621Z AUTO 00000KT 10SM -SN OVC025 M02/M07 A3025 RMK AO2 T10241072 |
| 10:03 CST |  Overcast Light Snow | -2°C / 28°F | -7°C / 19°F | 69% | 1024 mb (30.24 in) | WNW 6 kph (WNW 3.5 mph) | - | 10SM |
| | KAAA 041603Z AUTO 29003KT 10SM -SN OVC027 M02/M07 A3025 RMK AO2 T10251073 |
| 09:41 CST |  Overcast | -2°C / 28°F | -7°C / 19°F | 69% | 1024 mb (30.24 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KAAA 041541Z AUTO 26003KT 10SM OVC029 M02/M07 A3025 RMK AO2 T10251072 |
| 09:21 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1024 mb (30.24 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KAAA 041521Z AUTO 26004KT 10SM OVC029 M03/M07 A3025 RMK AO2 T10261074 |
| 09:01 CST |  Overcast Light Snow | -3°C / 27°F | -7°C / 19°F | 74% | 1024 mb (30.24 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KAAA 041501Z AUTO 27004KT 10SM -SN OVC029 M03/M07 A3025 RMK AO2 T10281075 |
| 08:41 CST |  Overcast | -3°C / 27°F | -8°C / 18°F | 69% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KAAA 041441Z AUTO 00000KT 10SM OVC031 M03/M08 A3025 RMK AO2 T10311076 |
| 08:21 CST |  Overcast | -3°C / 27°F | -8°C / 18°F | 69% | 1024 mb (30.24 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KAAA 041421Z AUTO 30003KT 10SM OVC031 M03/M08 A3024 RMK AO2 T10321079 |
| 08:01 CST |  Overcast | -3°C / 27°F | -8°C / 18°F | 69% | 1024 mb (30.24 in) | WNW 6 kph (WNW 3.5 mph) | - | 10SM |
| | KAAA 041401Z AUTO 29003KT 10SM OVC029 M03/M08 A3024 RMK AO2 T10331077 |
| 07:41 CST |  Overcast | -3°C / 27°F | -8°C / 18°F | 69% | 1024 mb (30.24 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KAAA 041341Z AUTO 32003KT 10SM OVC025 M03/M08 A3023 RMK AO2 T10351080 |
| 07:21 CST |  Overcast | -3°C / 27°F | -8°C / 18°F | 69% | 1024 mb (30.24 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KAAA 041321Z AUTO 32005KT 10SM OVC025 M03/M08 A3023 RMK AO2 T10351079 |
| 07:01 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1023 mb (30.21 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KAAA 041301Z AUTO 32004KT 10SM OVC025 M03/M07 A3022 RMK AO2 T10351075 |
| 06:41 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1023 mb (30.21 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KAAA 041241Z AUTO 32005KT 10SM SCT021 OVC029 M03/M07 A3022 RMK AO2 T10321070 |
| 06:21 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1023 mb (30.21 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KAAA 041221Z AUTO 30004KT 10SM OVC031 M03/M07 A3022 RMK AO2 T10321074 |
| 06:01 CST |  Overcast | -3°C / 27°F | -8°C / 18°F | 69% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KAAA 041201Z AUTO 00000KT 10SM OVC033 M03/M08 A3021 RMK AO2 T10351080 |
| 05:41 CST |  Overcast | -4°C / 25°F | -8°C / 18°F | 74% | 1023 mb (30.21 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KAAA 041141Z AUTO 26003KT 10SM OVC035 M04/M08 A3020 RMK AO2 T10401082 |
| 05:21 CST |  Partly Cloudy | -5°C / 23°F | -8°C / 18°F | 80% | 1023 mb (30.21 in) | Calm | - | 10SM |
| | KAAA 041121Z AUTO 00000KT 10SM SCT035 M05/M08 A3020 RMK AO2 T10471080 |
| 05:01 CST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1022 mb (30.18 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KAAA 041101Z AUTO 25003KT 10SM CLR M04/M08 A3019 RMK AO2 T10421080 |
| 04:41 CST |  Clear | -4°C / 25°F | -8°C / 18°F | 74% | 1022 mb (30.18 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KAAA 041041Z AUTO 25003KT 10SM CLR M04/M08 A3019 RMK AO2 T10371081 |
| 04:21 CST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1022 mb (30.18 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KAAA 041021Z AUTO 25003KT 10SM CLR M03/M08 A3019 RMK AO2 T10351082 |
| 04:01 CST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1022 mb (30.18 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KAAA 041001Z AUTO 25003KT 10SM CLR M03/M08 A3019 RMK AO2 T10351082 |
| 03:41 CST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1022 mb (30.18 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KAAA 040941Z AUTO 27003KT 10SM CLR M03/M08 A3018 RMK AO2 T10351081 |
| 03:21 CST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1022 mb (30.18 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KAAA 040921Z AUTO 26005KT 10SM CLR M03/M08 A3019 RMK AO2 T10351083 |
| 03:01 CST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1022 mb (30.18 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KAAA 040901Z AUTO 26003KT 10SM CLR M03/M08 A3019 RMK AO2 T10331082 |
| 02:41 CST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1022 mb (30.18 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KAAA 040841Z AUTO 26004KT 10SM CLR M03/M08 A3019 RMK AO2 T10311080 |
| 02:21 CST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1022 mb (30.18 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KAAA 040821Z AUTO 27004KT 10SM CLR M03/M08 A3019 RMK AO2 T10301079 |
| 02:01 CST |  Clear | -3°C / 27°F | -8°C / 18°F | 69% | 1022 mb (30.18 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KAAA 040801Z AUTO 28006KT 10SM CLR M03/M08 A3018 RMK AO2 T10261079 |
| 01:41 CST |  Clear | -2°C / 28°F | -8°C / 18°F | 64% | 1022 mb (30.18 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KAAA 040741Z AUTO 27006KT 10SM CLR M02/M08 A3018 RMK AO2 T10251077 |
| 01:21 CST |  Partly Cloudy | -2°C / 28°F | -7°C / 19°F | 69% | 1022 mb (30.18 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KAAA 040721Z AUTO 28006KT 10SM SCT028 M02/M07 A3018 RMK AO2 T10231075 |
| 00:41 CST |  Partly Cloudy | -2°C / 28°F | -7°C / 19°F | 69% | 1022 mb (30.18 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KAAA 040641Z AUTO 26005KT 10SM SCT040 M02/M07 A3017 RMK AO2 T10231075 |
| 00:21 CST |  Partly Cloudy | -2°C / 28°F | -8°C / 18°F | 64% | 1022 mb (30.18 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KAAA 040621Z AUTO 25003KT 10SM SCT040 M02/M08 A3017 RMK AO2 T10251076 |
| 00:01 CST |  Partly Cloudy | -2°C / 28°F | -8°C / 18°F | 64% | 1022 mb (30.18 in) | SSW 6 kph (SSW 3.5 mph) | - | 10SM |
| | KAAA 040601Z AUTO 24003KT 10SM SCT040 M02/M08 A3017 RMK AO2 T10251076 |