| 08:35 CST |  Overcast Light Snow | -7°C / 19°F | -11°C / 12°F | 73% | 1016 mb (30 in) | SSW 15 kph (SSW 9.2 mph) | - | 7SM |
| | KSTE 041435Z AUTO 25008KT 7SM -SN OVC042 M07/M11 A2999 RMK AO2 |
| 08:15 CST |  Overcast Light Snow | -7°C / 19°F | -11°C / 12°F | 73% | 1015 mb (29.97 in) | SSW 13 kph (SSW 8.1 mph) | - | 7SM |
| | KSTE 041415Z AUTO 24007KT 7SM -SN OVC042 M07/M11 A2998 RMK AO2 |
| 07:55 CST |  Overcast | -6°C / 21°F | -12°C / 10°F | 63% | 1015 mb (29.97 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KSTE 041355Z AUTO 26005KT 10SM OVC040 M06/M12 A2998 RMK AO2 |
| 07:35 CST |  Overcast | -7°C / 19°F | -12°C / 10°F | 68% | 1015 mb (29.97 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KSTE 041335Z AUTO 27007KT 10SM OVC036 M07/M12 A2997 RMK AO2 |
| 07:15 CST |  Overcast Light Snow | -7°C / 19°F | -10°C / 14°F | 79% | 1015 mb (29.97 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KSTE 041315Z AUTO 25006KT 10SM -SN SCT023 OVC036 M07/M10 A2997 RMK AO2 |
| 06:55 CST |  Overcast Light Snow | -7°C / 19°F | -10°C / 14°F | 79% | 1015 mb (29.97 in) | SSW 19 kph (SSW 11.5 mph) | - | 5SM |
| | KSTE 041255Z AUTO 25010G14KT 5SM -SN SCT018 SCT023 OVC034 M07/M10 A2997 RMK AO2 |
| 06:35 CST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1015 mb (29.97 in) | SSW 11 kph (SSW 6.9 mph) | - | 4SM |
| | KSTE 041235Z AUTO 25006KT 4SM -SN SCT016 SCT021 OVC034 M06/M09 A2997 RMK AO2 |
| 06:15 CST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1015 mb (29.97 in) | SSW 11 kph (SSW 6.9 mph) | - | 5SM |
| | KSTE 041215Z AUTO 24006KT 5SM -SN SCT018 OVC032 M06/M09 A2996 RMK AO2 |
| 05:55 CST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1015 mb (29.97 in) | SSW 11 kph (SSW 6.9 mph) | - | 7SM |
| | KSTE 041155Z AUTO 25006KT 7SM -SN SCT021 OVC034 M06/M09 A2996 RMK AO2 |
| 05:35 CST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1015 mb (29.97 in) | SSW 11 kph (SSW 6.9 mph) | - | 7SM |
| | KSTE 041135Z AUTO 24006KT 7SM -SN SCT021 OVC036 M06/M09 A2996 RMK AO2 |
| 05:15 CST |  Overcast | -6°C / 21°F | -10°C / 14°F | 74% | 1015 mb (29.97 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KSTE 041115Z AUTO 24005KT 10SM OVC036 M06/M10 A2997 RMK AO2 |
| 04:55 CST |  Overcast | -6°C / 21°F | -10°C / 14°F | 74% | 1015 mb (29.97 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KSTE 041055Z AUTO 24006KT 10SM OVC038 M06/M10 A2996 RMK AO2 |
| 04:35 CST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1015 mb (29.97 in) | SSW 7 kph (SSW 4.6 mph) | - | 4SM |
| | KSTE 041035Z AUTO 26004KT 4SM -SN SCT024 OVC037 M07/M09 A2997 RMK AO2 |
| 04:15 CST |  Overcast | -6°C / 21°F | -10°C / 14°F | 74% | 1015 mb (29.97 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KSTE 041015Z AUTO 25006KT 10SM SCT033 OVC039 M06/M10 A2997 RMK AO2 |
| 03:55 CST |  Overcast | -6°C / 21°F | -10°C / 14°F | 74% | 1015 mb (29.97 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KSTE 040955Z AUTO 23006KT 10SM OVC039 M06/M10 A2997 RMK AO2 |
| 03:35 CST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1015 mb (29.97 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KSTE 040935Z AUTO 27003KT 10SM OVC037 M06/M11 A2997 RMK AO2 |
| 03:15 CST |  Overcast Light Snow | -7°C / 19°F | -10°C / 14°F | 79% | 1015 mb (29.97 in) | Calm | - | 10SM |
| | KSTE 040915Z AUTO 00000KT 10SM -SN OVC035 M07/M10 A2998 RMK AO2 |
| 02:55 CST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1015 mb (29.97 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KSTE 040855Z AUTO 25005KT 10SM SCT029 OVC035 M06/M11 A2998 RMK AO2 |
| 02:35 CST |  Overcast | -6°C / 21°F | -12°C / 10°F | 63% | 1015 mb (29.97 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KSTE 040835Z AUTO 29004KT 10SM OVC032 M06/M12 A2998 RMK AO2 |
| 02:15 CST |  Overcast Light Snow | -6°C / 21°F | -12°C / 10°F | 63% | 1015 mb (29.97 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KSTE 040815Z AUTO 28006KT 10SM -SN OVC032 M06/M12 A2998 RMK AO2 |
| 01:55 CST |  Overcast Light Snow | -6°C / 21°F | -12°C / 10°F | 63% | 1015 mb (29.97 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KSTE 040755Z AUTO 28005KT 10SM -SN OVC032 M06/M12 A2998 RMK AO2 |
| 01:35 CST |  Overcast | -6°C / 21°F | -12°C / 10°F | 63% | 1015 mb (29.97 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KSTE 040735Z AUTO 27005KT 10SM OVC032 M06/M12 A2997 RMK AO2 |
| 00:55 CST |  Overcast Light Snow | -6°C / 21°F | -12°C / 10°F | 63% | 1015 mb (29.97 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KSTE 040655Z AUTO 27004KT 10SM -SN OVC030 M06/M12 A2997 RMK AO2 |
| 00:35 CST |  Overcast | -6°C / 21°F | -12°C / 10°F | 63% | 1015 mb (29.97 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KSTE 040635Z AUTO 29005KT 10SM OVC030 M06/M12 A2997 RMK AO2 |
| 00:15 CST |  Overcast | -6°C / 21°F | -12°C / 10°F | 63% | 1015 mb (29.97 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KSTE 040615Z AUTO 27003KT 10SM OVC028 M06/M12 A2998 RMK AO2 |