| 20:15 CST |  Partly Cloudy | -9°C / 16°F | -11°C / 12°F | 86% | 1017 mb (30.03 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KCAV 050215Z AUTO 17006KT 10SM SCT031 M09/M11 A3002 RMK AO2 |
| 19:55 CST |  Mostly Cloudy | -7°C / 19°F | -10°C / 14°F | 79% | 1017 mb (30.03 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KCAV 050155Z AUTO 19006KT 10SM BKN031 M07/M10 A3002 RMK AO2 |
| 19:35 CST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1017 mb (30.03 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KCAV 050135Z AUTO 19005KT 10SM OVC029 M06/M08 A3003 RMK AO2 |
| 19:15 CST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1017 mb (30.03 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KCAV 050115Z AUTO 20006KT 10SM OVC029 M06/M08 A3004 RMK AO2 |
| 18:55 CST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1017 mb (30.03 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KCAV 050055Z AUTO 21007KT 10SM OVC029 M06/M08 A3004 RMK AO2 |
| 18:35 CST |  Overcast | -6°C / 21°F | -9°C / 16°F | 80% | 1017 mb (30.03 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KCAV 050035Z AUTO 22007KT 10SM OVC029 M06/M09 A3004 RMK AO2 |
| 18:15 CST |  Overcast | -6°C / 21°F | -9°C / 16°F | 80% | 1018 mb (30.06 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KCAV 050015Z AUTO 22007KT 10SM OVC027 M06/M09 A3005 RMK AO2 |
| 17:55 CST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1018 mb (30.06 in) | SW 15 kph (SW 9.2 mph) | - | 10SM |
| | KCAV 042355Z AUTO 22008KT 10SM OVC027 M06/M08 A3005 RMK AO2 |
| 17:35 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1018 mb (30.06 in) | SW 17 kph (SW 10.4 mph) | - | 5SM |
| | KCAV 042335Z AUTO 22009KT 5SM -SN OVC027 M06/M08 A3005 RMK AO2 |
| 17:15 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1018 mb (30.06 in) | SW 15 kph (SW 9.2 mph) | - | 5SM |
| | KCAV 042315Z AUTO 21008KT 5SM -SN OVC027 M06/M08 A3005 RMK AO2 |
| 16:55 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1018 mb (30.06 in) | SW 20 kph (SW 12.7 mph) | - | 5SM |
| | KCAV 042255Z AUTO 22011KT 5SM -SN OVC027 M06/M08 A3005 RMK AO2 |
| 16:35 CST |  Overcast Light Snow | -5°C / 23°F | -8°C / 18°F | 80% | 1018 mb (30.06 in) | SW 17 kph (SW 10.4 mph) | - | 5SM |
| | KCAV 042235Z AUTO 22009KT 5SM -SN OVC027 M05/M08 A3005 RMK AO2 |
| 16:15 CST |  Overcast Light Snow | -5°C / 23°F | -8°C / 18°F | 80% | 1018 mb (30.06 in) | SW 17 kph (SW 10.4 mph) | - | 7SM |
| | KCAV 042215Z AUTO 22009KT 7SM -SN OVC027 M05/M08 A3006 RMK AO2 |
| 15:55 CST |  Overcast Light Snow | -5°C / 23°F | -9°C / 16°F | 74% | 1018 mb (30.06 in) | SSW 15 kph (SSW 9.2 mph) | - | 7SM |
| | KCAV 042155Z AUTO 24008KT 7SM -SN OVC027 M05/M09 A3006 RMK AO2 |
| 15:35 CST |  Overcast Light Snow | -5°C / 23°F | -10°C / 14°F | 68% | 1018 mb (30.06 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KCAV 042135Z AUTO 25009KT 10SM -SN OVC029 M05/M10 A3006 RMK AO2 |
| 15:15 CST |  Overcast Light Snow | -5°C / 23°F | -10°C / 14°F | 68% | 1018 mb (30.06 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KCAV 042115Z AUTO 25010KT 10SM -SN OVC027 M05/M10 A3006 RMK AO2 |
| 14:55 CST |  Overcast Light Snow | -5°C / 23°F | -10°C / 14°F | 68% | 1018 mb (30.06 in) | SSW 24 kph (SSW 15 mph) | - | 7SM |
| | KCAV 042055Z AUTO 24013KT 7SM -SN OVC027 M05/M10 A3007 RMK AO2 |
| 14:35 CST |  Overcast Light Snow | -6°C / 21°F | -10°C / 14°F | 74% | 1018 mb (30.06 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KCAV 042035Z AUTO 25011KT 10SM -SN OVC027 M06/M10 A3007 RMK AO2 |
| 14:15 CST |  Overcast | -6°C / 21°F | -10°C / 14°F | 74% | 1018 mb (30.06 in) | SSW 24 kph (SSW 15 mph) | - | 10SM |
| | KCAV 042015Z AUTO 26013KT 10SM OVC027 M06/M10 A3007 RMK AO2 |
| 13:55 CST |  Overcast Light Snow | -6°C / 21°F | -10°C / 14°F | 74% | 1018 mb (30.06 in) | SSW 22 kph (SSW 13.8 mph) | - | 7SM |
| | KCAV 041955Z AUTO 25012KT 7SM -SN SCT020 OVC025 M06/M10 A3007 RMK AO2 |
| 13:35 CST |  Overcast Light Snow | -6°C / 21°F | -9°C / 16°F | 80% | 1018 mb (30.06 in) | SSW 24 kph (SSW 15 mph) | - | 5SM |
| | KCAV 041935Z AUTO 25013KT 5SM -SN SCT019 OVC027 M06/M09 A3007 RMK AO2 |
| 13:15 CST |  Overcast Light Snow | -5°C / 23°F | -10°C / 14°F | 68% | 1018 mb (30.06 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KCAV 041915Z AUTO 25012KT 10SM -SN OVC029 M05/M10 A3007 RMK AO2 |
| 12:55 CST |  Overcast | -5°C / 23°F | -10°C / 14°F | 68% | 1019 mb (30.09 in) | SSW 24 kph (SSW 15 mph) | - | 10SM |
| | KCAV 041855Z AUTO 25013G21KT 10SM OVC029 M05/M10 A3008 RMK AO2 |
| 12:35 CST |  Overcast Light Snow | -6°C / 21°F | -10°C / 14°F | 74% | 1019 mb (30.09 in) | SSW 20 kph (SSW 12.7 mph) | - | 5SM |
| | KCAV 041835Z AUTO 25011KT 5SM -SN OVC029 M06/M10 A3009 RMK AO2 |
| 12:15 CST |  Overcast Light Snow | -6°C / 21°F | -10°C / 14°F | 74% | 1019 mb (30.09 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KCAV 041815Z AUTO 26012KT 10SM -SN OVC029 M06/M10 A3009 RMK AO2 |
| 11:55 CST |  Overcast Light Snow | -6°C / 21°F | -10°C / 14°F | 74% | 1020 mb (30.12 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KCAV 041755Z AUTO 26011KT 10SM -SN OVC029 M06/M10 A3011 RMK AO2 |
| 11:35 CST |  Overcast Light Snow | -6°C / 21°F | -11°C / 12°F | 68% | 1020 mb (30.12 in) | SSW 20 kph (SSW 12.7 mph) | - | 7SM |
| | KCAV 041735Z AUTO 26011KT 7SM -SN OVC029 M06/M11 A3011 RMK AO2 |
| 11:15 CST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1020 mb (30.12 in) | SSW 24 kph (SSW 15 mph) | - | 10SM |
| | KCAV 041715Z AUTO 26013G16KT 10SM OVC029 M06/M11 A3012 RMK AO2 |
| 10:55 CST |  Overcast | -6°C / 21°F | -11°C / 12°F | 68% | 1020 mb (30.12 in) | SSW 22 kph (SSW 13.8 mph) | - | 7SM |
| | KCAV 041655Z AUTO 26012KT 7SM SCT016 OVC029 M06/M11 A3013 RMK AO2 |
| 10:35 CST |  Overcast Light Snow | -7°C / 19°F | -9°C / 16°F | 86% | 1020 mb (30.12 in) | SSW 19 kph (SSW 11.5 mph) | - | 2SM |
| | KCAV 041635Z AUTO 25010KT 2SM -SN BKN016 OVC027 M07/M09 A3013 RMK AO2 |
| 10:15 CST |  Overcast Light Snow | -7°C / 19°F | -10°C / 14°F | 79% | 1020 mb (30.12 in) | W 17 kph (W 10.4 mph) | - | 7SM |
| | KCAV 041615Z AUTO 27009KT 7SM -SN SCT018 OVC029 M07/M10 A3013 RMK AO2 |
| 09:55 CST |  Overcast Light Snow | -7°C / 19°F | -11°C / 12°F | 73% | 1020 mb (30.12 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KCAV 041555Z AUTO 27011KT 10SM -SN OVC029 M07/M11 A3013 RMK AO2 |
| 09:35 CST |  Overcast Light Snow | -7°C / 19°F | -11°C / 12°F | 73% | 1020 mb (30.12 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KCAV 041535Z AUTO 28011KT 10SM -SN OVC029 M07/M11 A3013 RMK AO2 |
| 09:15 CST |  Overcast | -7°C / 19°F | -11°C / 12°F | 73% | 1020 mb (30.12 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KCAV 041515Z AUTO 27007KT 10SM OVC029 M07/M11 A3013 RMK AO2 |
| 08:55 CST |  Mostly Cloudy | -9°C / 16°F | -11°C / 12°F | 86% | 1020 mb (30.12 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KCAV 041455Z AUTO 28006KT 10SM SCT022 BKN031 M09/M11 A3013 RMK AO2 |
| 08:35 CST |  Mostly Cloudy | -10°C / 14°F | -11°C / 12°F | 92% | 1020 mb (30.12 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KCAV 041435Z AUTO 26005KT 10SM SCT020 BKN033 M10/M11 A3013 RMK AO2 |
| 08:15 CST |  Overcast | -10°C / 14°F | -11°C / 12°F | 92% | 1020 mb (30.12 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KCAV 041415Z AUTO 25006KT 10SM OVC033 M10/M11 A3013 RMK AO2 |
| 07:55 CST |  Overcast | -10°C / 14°F | -11°C / 12°F | 92% | 1020 mb (30.12 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KCAV 041355Z AUTO 24006KT 10SM OVC035 M10/M11 A3013 RMK AO2 |
| 07:35 CST |  Overcast | -10°C / 14°F | -11°C / 12°F | 92% | 1020 mb (30.12 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KCAV 041335Z AUTO 25007KT 10SM BKN029 OVC035 M10/M11 A3013 RMK AO2 |
| 07:15 CST |  Overcast Light Snow | -10°C / 14°F | -11°C / 12°F | 92% | 1020 mb (30.12 in) | SSW 15 kph (SSW 9.2 mph) | - | 5SM |
| | KCAV 041315Z AUTO 25008KT 5SM -SN OVC031 M10/M11 A3013 RMK AO2 |
| 06:55 CST |  Overcast Light Snow | -10°C / 14°F | -11°C / 12°F | 92% | 1020 mb (30.12 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KCAV 041255Z AUTO 25006KT 10SM -SN OVC029 M10/M11 A3013 RMK AO2 |
| 06:35 CST |  Overcast Light Snow | -10°C / 14°F | -11°C / 12°F | 92% | 1020 mb (30.12 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KCAV 041235Z AUTO 25006KT 10SM -SN OVC027 M10/M11 A3013 RMK AO2 |
| 06:15 CST |  Mostly Cloudy Light Snow | -12°C / 10°F | -13°C / 9°F | 92% | 1020 mb (30.12 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KCAV 041215Z AUTO 25005KT 10SM -SN SCT023 BKN029 M12/M13 A3013 RMK AO2 |
| 05:55 CST |  Partly Cloudy | -13°C / 9°F | -15°C / 5°F | 85% | 1020 mb (30.12 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KCAV 041155Z AUTO 25005KT 10SM SCT024 M13/M15 A3013 RMK AO2 |
| 05:35 CST |  Clear | -13°C / 9°F | -15°C / 5°F | 85% | 1020 mb (30.12 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KCAV 041135Z AUTO 25005KT 10SM CLR M13/M15 A3013 RMK AO2 |
| 05:15 CST |  Clear | -12°C / 10°F | -14°C / 7°F | 85% | 1020 mb (30.12 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KCAV 041115Z AUTO 25007KT 10SM CLR M12/M14 A3013 RMK AO2 |
| 04:55 CST |  Clear | -12°C / 10°F | -13°C / 9°F | 92% | 1020 mb (30.12 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KCAV 041055Z AUTO 26008KT 10SM CLR M12/M13 A3013 RMK AO2 |
| 04:35 CST |  Clear | -12°C / 10°F | -13°C / 9°F | 92% | 1021 mb (30.15 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KCAV 041035Z AUTO 27008KT 10SM CLR M12/M13 A3014 RMK AO2 |
| 04:15 CST |  Clear | -12°C / 10°F | -13°C / 9°F | 92% | 1021 mb (30.15 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KCAV 041015Z AUTO 26007KT 10SM CLR M12/M13 A3014 RMK AO2 |
| 03:55 CST |  Clear | -12°C / 10°F | -13°C / 9°F | 92% | 1021 mb (30.15 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KCAV 040955Z AUTO 27008KT 10SM CLR M12/M13 A3014 RMK AO2 |
| 03:35 CST |  Clear | -12°C / 10°F | -13°C / 9°F | 92% | 1021 mb (30.15 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KCAV 040935Z AUTO 27007KT 10SM CLR M12/M13 A3014 RMK AO2 |
| 03:15 CST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1021 mb (30.15 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KCAV 040915Z AUTO 27008KT 10SM CLR M11/M13 A3015 RMK AO2 |
| 02:55 CST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1021 mb (30.15 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KCAV 040855Z AUTO 27008KT 10SM CLR M11/M13 A3015 RMK AO2 |
| 02:35 CST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1021 mb (30.15 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KCAV 040835Z AUTO 27008KT 10SM CLR M11/M13 A3015 RMK AO2 |
| 02:15 CST |  Clear | -12°C / 10°F | -13°C / 9°F | 92% | 1021 mb (30.15 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KCAV 040815Z AUTO 26006KT 10SM CLR M12/M13 A3015 RMK AO2 |
| 01:55 CST |  Clear | -11°C / 12°F | -12°C / 10°F | 92% | 1021 mb (30.15 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KCAV 040755Z AUTO 26008KT 10SM CLR M11/M12 A3014 RMK AO2 |
| 01:35 CST |  Clear | -11°C / 12°F | -13°C / 9°F | 85% | 1021 mb (30.15 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KCAV 040735Z AUTO 27006KT 10SM CLR M11/M13 A3014 RMK AO2 |
| 00:55 CST |  Clear | -10°C / 14°F | -12°C / 10°F | 85% | 1020 mb (30.12 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KCAV 040655Z AUTO 27006KT 10SM CLR M10/M12 A3013 RMK AO2 |
| 00:35 CST |  Clear | -10°C / 14°F | -12°C / 10°F | 85% | 1021 mb (30.15 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KCAV 040635Z AUTO 27008KT 10SM CLR M10/M12 A3014 RMK AO2 |