| 15:50 CST |  Overcast | -7°C / 19°F | -10°C / 14°F | 79% | 1005 mb (29.68 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KCWA 262150Z 03003KT 10SM SCT075 OVC110 M07/M10 A2968 |
| 14:50 CST |  Mostly Cloudy | -7°C / 19°F | -11°C / 12°F | 73% | 1004 mb (29.65 in) | E 17 kph (E 10.4 mph) | - | 10SM |
| | KCWA 262050Z 08009KT 10SM SCT035 BKN110 M07/M11 A2966 |
| 13:45 CST |  Overcast | -7°C / 19°F | -11°C / 12°F | 73% | 1004 mb (29.65 in) | ENE 11 kph (ENE 6.9 mph) | - | 10SM |
| | KCWA 261945Z 07006KT 10SM OVC024 M07/M11 A2966 |
| 12:50 CST |  Mostly Cloudy | -7°C / 19°F | -11°C / 12°F | 73% | 1004 mb (29.65 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KCWA 261850Z 05005KT 10SM BKN020 BKN120 M07/M11 A2966 |
| 11:50 CST |  Partly Cloudy | -8°C / 18°F | -11°C / 12°F | 79% | 1005 mb (29.68 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KCWA 261750Z 10005KT 10SM SCT060 SCT110 M08/M11 A2967 |
| 10:50 CST |  Partly Cloudy | -9°C / 16°F | -11°C / 12°F | 86% | 1005 mb (29.68 in) | E 9 kph (E 5.8 mph) | - | 10SM |
| | KCWA 261650Z 10005KT 10SM SCT014 SCT021 SCT044 M09/M11 A2969 |
| 09:50 CST |  Clear | -10°C / 14°F | -11°C / 12°F | 92% | 1005 mb (29.68 in) | Variable 7 kph (Variable 4.6 mph) | - | 10SM |
| | KCWA 261550Z VRB04KT 10SM SKC M10/M11 A2969 |
| 08:50 CST |  Clear | -12°C / 10°F | -12°C / 10°F | 100% | 1005 mb (29.68 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KCWA 261450Z VRB03KT 10SM SKC M12/M12 A2968 |
| 07:50 CST |  Clear | -11°C / 12°F | -12°C / 10°F | 92% | 1004 mb (29.65 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KCWA 261350Z VRB03KT 10SM SKC M11/M12 A2966 |
| 06:50 CST |  Partly Cloudy | -11°C / 12°F | -12°C / 10°F | 92% | 1004 mb (29.65 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KCWA 261250Z VRB03KT 10SM SCT040 M11/M12 A2966 |
| 05:50 CST |  Mostly Cloudy Light Snow | -10°C / 14°F | -12°C / 10°F | 85% | 1004 mb (29.65 in) | Variable 6 kph (Variable 3.5 mph) | - | 4SM |
| | KCWA 261150Z VRB03KT 4SM -SN SCT016 BKN022 BKN027 M10/M12 A2965 |
| 04:33 CST |  Mostly Cloudy | -9°C / 16°F | -11°C / 12°F | 86% | 1003 mb (29.62 in) | SE 13 kph (SE 8.1 mph) | - | 10SM |
| | KCWA 261033Z AUTO 13007KT 10SM SCT017 BKN023 M09/M11 A2963 RMK AO2 T10911111 |
| 04:13 CST |  Mostly Cloudy Light Snow | -8°C / 18°F | -10°C / 14°F | 86% | 1003 mb (29.62 in) | SSE 9 kph (SSE 5.8 mph) | - | 7SM |
| | KCWA 261013Z AUTO 15005KT 7SM -SN BKN017 BKN027 M08/M10 A2963 RMK AO2 T10851105 |
| 03:53 CST |  Mostly Cloudy | -9°C / 16°F | -10°C / 14°F | 93% | 1003 mb (29.62 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KCWA 260953Z AUTO 15005KT 10SM SCT019 BKN026 M09/M10 A2963 RMK AO2 T10861105 |
| 03:33 CST |  Overcast Light Snow | -8°C / 18°F | -10°C / 14°F | 86% | 1003 mb (29.62 in) | SE 15 kph (SE 9.2 mph) | - | 7SM |
| | KCWA 260933Z AUTO 13008KT 7SM -SN SCT017 OVC023 M08/M10 A2963 RMK AO2 T10811100 |
| 03:13 CST |  Overcast Light Snow | -8°C / 18°F | -10°C / 14°F | 86% | 1003 mb (29.62 in) | SE 11 kph (SE 6.9 mph) | - | 10SM |
| | KCWA 260913Z AUTO 14006KT 10SM -SN SCT020 BKN026 OVC030 M08/M10 A2963 RMK AO2 T10801097 |
| 02:53 CST |  Overcast | -8°C / 18°F | -10°C / 14°F | 86% | 1003 mb (29.62 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KCWA 260853Z AUTO 14005KT 10SM SCT018 BKN032 OVC065 M08/M10 A2963 RMK AO2 T10811100 |
| 02:33 CST |  Partly Cloudy | -9°C / 16°F | -10°C / 14°F | 93% | 1003 mb (29.62 in) | SE 9 kph (SE 5.8 mph) | - | 10SM |
| | KCWA 260833Z AUTO 13005KT 10SM SCT065 M09/M10 A2963 RMK AO2 T10861102 |
| 02:13 CST |  Partly Cloudy | -8°C / 18°F | -10°C / 14°F | 86% | 1003 mb (29.62 in) | SSE 13 kph (SSE 8.1 mph) | - | 10SM |
| | KCWA 260813Z AUTO 16007KT 10SM SCT014 SCT050 M08/M10 A2962 RMK AO2 T10821101 |
| 01:53 CST |  Partly Cloudy | -8°C / 18°F | -9°C / 16°F | 93% | 1002 mb (29.59 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KCWA 260753Z AUTO 16006KT 10SM SCT012 SCT024 SCT050 M08/M09 A2960 RMK AO2 T10801095 |
| 01:33 CST |  Mostly Cloudy | -7°C / 19°F | -9°C / 16°F | 86% | 1002 mb (29.59 in) | S 20 kph (S 12.7 mph) | - | 10SM |
| | KCWA 260733Z AUTO 17011KT 10SM BKN012 BKN018 BKN024 M07/M09 A2959 RMK AO2 T10741093 |
| 01:14 CST |  Overcast Light Snow | -7°C / 19°F | -8°C / 18°F | 93% | 1002 mb (29.59 in) | SSE 22 kph (SSE 13.8 mph) | - | 7SM |
| | KCWA 260714Z AUTO 15012KT 7SM -SN OVC014 M07/M08 A2959 RMK AO2 T10681082 |
| 00:53 CST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1001 mb (29.56 in) | SSE 17 kph (SSE 10.4 mph) | - | 10SM |
| | KCWA 260653Z AUTO 16009KT 10SM BKN014 BKN028 OVC080 M06/M08 A2957 RMK AO2 T10631080 |
| 00:33 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1001 mb (29.56 in) | SSE 17 kph (SSE 10.4 mph) | - | 7SM |
| | KCWA 260633Z AUTO 15009KT 7SM -SN SCT014 BKN034 OVC041 M06/M08 A2955 RMK AO2 T10621078 |
| 00:13 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1001 mb (29.56 in) | SSE 17 kph (SSE 10.4 mph) | - | 7SM |
| | KCWA 260613Z AUTO 16009KT 7SM -SN BKN010 BKN018 OVC034 M06/M07 A2955 RMK AO2 T10611073 |