| 10:45 CST |  Mostly Cloudy | 2°C / 36°F | -2°C / 28°F | 75% | 1018 mb (30.06 in) | W 26 kph (W 16.1 mph) | - | 10SM |
| | KCUL 031645Z AUTO 28014KT 10SM SCT025 BKN030 02/M02 A3007 RMK AO2 T00241023 |
| 10:25 CST |  Partly Cloudy | 2°C / 36°F | -2°C / 28°F | 75% | 1018 mb (30.06 in) | W 13 kph (W 8.1 mph) | - | 10SM |
| | KCUL 031625Z AUTO 28007KT 10SM SCT020 SCT026 SCT032 02/M02 A3007 RMK AO2 T00231019 |
| 10:05 CST |  Mostly Cloudy | 2°C / 36°F | -2°C / 28°F | 75% | 1018 mb (30.06 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KCUL 031605Z AUTO 28011KT 10SM SCT018 BKN032 02/M02 A3007 RMK AO2 T00191021 |
| 09:45 CST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1018 mb (30.06 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KCUL 031545Z AUTO 27008KT 10SM OVC030 02/M02 A3007 RMK AO2 T00151021 |
| 09:25 CST |  Overcast | 1°C / 34°F | -2°C / 28°F | 81% | 1018 mb (30.06 in) | W 19 kph (W 11.5 mph) | - | 10SM |
| | KCUL 031525Z AUTO 28010KT 10SM SCT015 OVC030 01/M02 A3006 RMK AO2 T00101025 |
| 09:05 CST |  Overcast | 1°C / 34°F | -2°C / 28°F | 81% | 1018 mb (30.06 in) | W 24 kph (W 15 mph) | - | 10SM |
| | KCUL 031505Z AUTO 27013KT 10SM SCT015 OVC030 01/M02 A3005 RMK AO2 T00101024 |
| 08:45 CST |  Overcast | 1°C / 34°F | -2°C / 28°F | 81% | 1017 mb (30.03 in) | W 22 kph (W 13.8 mph) | - | 10SM |
| | KCUL 031445Z AUTO 28012G16KT 10SM SCT014 OVC030 01/M02 A3004 RMK AO2 T00081022 |
| 08:25 CST |  Overcast | 1°C / 34°F | -2°C / 28°F | 81% | 1017 mb (30.03 in) | W 19 kph (W 11.5 mph) | - | 10SM |
| | KCUL 031425Z AUTO 27010G15KT 10SM BKN014 BKN019 OVC026 01/M02 A3002 RMK AO2 T00071023 |
| 08:05 CST |  Overcast | 1°C / 34°F | -2°C / 28°F | 81% | 1016 mb (30 in) | W 24 kph (W 15 mph) | - | 10SM |
| | KCUL 031405Z AUTO 27013KT 10SM SCT016 OVC024 01/M02 A3001 RMK AO2 T00101022 |
| 07:45 CST |  Overcast | 1°C / 34°F | -2°C / 28°F | 81% | 1016 mb (30 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KCUL 031345Z AUTO 28008KT 10SM OVC024 01/M02 A3000 RMK AO2 T00131022 |
| 07:25 CST |  Overcast | 1°C / 34°F | -2°C / 28°F | 81% | 1016 mb (30 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KCUL 031325Z AUTO 27009KT 10SM OVC022 01/M02 A2999 RMK AO2 T00121023 |
| 07:05 CST |  Overcast | 1°C / 34°F | -2°C / 28°F | 81% | 1015 mb (29.97 in) | W 22 kph (W 13.8 mph) | - | 10SM |
| | KCUL 031305Z AUTO 28012G16KT 10SM OVC022 01/M02 A2997 RMK AO2 T00131020 |
| 06:45 CST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1015 mb (29.97 in) | W 24 kph (W 15 mph) | - | 10SM |
| | KCUL 031245Z AUTO 28013KT 10SM OVC022 02/M02 A2997 RMK AO2 T00151016 |
| 06:25 CST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1015 mb (29.97 in) | W 22 kph (W 13.8 mph) | - | 10SM |
| | KCUL 031225Z AUTO 28012G19KT 10SM SCT018 OVC024 02/M01 A2997 RMK AO2 T00171015 |
| 06:05 CST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1014 mb (29.94 in) | W 24 kph (W 15 mph) | - | 10SM |
| | KCUL 031205Z AUTO 28013G16KT 10SM OVC018 02/M01 A2995 RMK AO2 T00201010 |
| 05:45 CST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1014 mb (29.94 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KCUL 031145Z AUTO 28008KT 10SM BKN020 OVC029 02/M01 A2995 RMK AO2 70084 T00211010 10030 20021 |
| 05:25 CST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1014 mb (29.94 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KCUL 031125Z AUTO 29009KT 10SM SCT020 OVC029 02/M01 A2993 RMK AO2 T00211011 |
| 05:05 CST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1013 mb (29.91 in) | WNW 19 kph (WNW 11.5 mph) | - | 10SM |
| | KCUL 031105Z AUTO 29010KT 10SM BKN020 OVC031 02/M01 A2992 RMK AO2 T00211010 |
| 04:45 CST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1013 mb (29.91 in) | WNW 20 kph (WNW 12.7 mph) | - | 10SM |
| | KCUL 031045Z AUTO 29011G14KT 10SM BKN018 OVC031 02/M01 A2990 RMK AO2 T00211008 |
| 04:25 CST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1012 mb (29.88 in) | W 19 kph (W 11.5 mph) | - | 10SM |
| | KCUL 031025Z AUTO 28010KT 10SM SCT018 OVC029 02/M01 A2988 RMK AO2 T00221006 |
| 04:05 CST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1011 mb (29.85 in) | WNW 22 kph (WNW 13.8 mph) | - | 10SM |
| | KCUL 031005Z AUTO 29012G16KT 10SM SCT018 OVC029 02/00 A2986 RMK AO2 T00231005 |
| 03:45 CST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1010 mb (29.83 in) | WNW 26 kph (WNW 16.1 mph) | - | 10SM |
| | KCUL 030945Z AUTO 29014KT 10SM BKN018 OVC031 02/00 A2984 RMK AO2 T00241005 |
| 03:25 CST |  Overcast | 3°C / 37°F | 0°C / 32°F | 81% | 1010 mb (29.83 in) | WNW 24 kph (WNW 15 mph) | - | 7SM |
| | KCUL 030925Z AUTO 29013G19KT 7SM OVC018 03/00 A2984 RMK AO2 T00251001 |
| 03:05 CST |  Overcast | 3°C / 37°F | 0°C / 32°F | 81% | 1010 mb (29.83 in) | WNW 20 kph (WNW 12.7 mph) | - | 10SM |
| | KCUL 030905Z AUTO 29011KT 10SM OVC018 03/00 A2984 RMK AO2 T00250000 |
| 02:45 CST |  Overcast | 3°C / 37°F | 0°C / 32°F | 81% | 1010 mb (29.83 in) | NW 19 kph (NW 11.5 mph) | - | 7SM |
| | KCUL 030845Z AUTO 30010KT 7SM OVC016 03/00 A2983 RMK AO2 T00260000 |
| 02:25 CST |  Overcast | 3°C / 37°F | 0°C / 32°F | 81% | 1010 mb (29.83 in) | W 22 kph (W 13.8 mph) | - | 7SM |
| | KCUL 030825Z AUTO 28012G17KT 7SM OVC012 03/00 A2982 RMK AO2 T00270001 |
| 02:05 CST |  Overcast Hazy | 3°C / 37°F | 0°C / 32°F | 81% | 1009 mb (29.8 in) | W 22 kph (W 13.8 mph) | - | 5SM |
| | KCUL 030805Z AUTO 28012G15KT 5SM HZ OVC012 03/00 A2980 RMK AO2 T00270001 |
| 01:45 CST |  Overcast | 3°C / 37°F | 0°C / 32°F | 81% | 1009 mb (29.8 in) | NW 26 kph (NW 16.1 mph) | - | 7SM |
| | KCUL 030745Z AUTO 30014G20KT 7SM OVC012 03/00 A2979 RMK AO2 T00260000 |
| 01:25 CST |  Overcast | 3°C / 37°F | 0°C / 32°F | 81% | 1008 mb (29.77 in) | NW 26 kph (NW 16.1 mph) | - | 7SM |
| | KCUL 030725Z AUTO 30014G21KT 7SM OVC012 03/00 A2977 RMK AO2 T00260000 |
| 01:05 CST |  Overcast | 3°C / 37°F | 0°C / 32°F | 81% | 1008 mb (29.77 in) | WNW 24 kph (WNW 15 mph) | - | 7SM |
| | KCUL 030705Z AUTO 29013KT 7SM OVC012 03/00 A2977 RMK AO2 T00260001 |
| 00:45 CST |  Overcast | 3°C / 37°F | 0°C / 32°F | 81% | 1007 mb (29.74 in) | WNW 28 kph (WNW 17.3 mph) | - | 7SM |
| | KCUL 030645Z AUTO 29015G20KT 7SM OVC012 03/00 A2975 RMK AO2 T00270002 |
| 00:25 CST |  Overcast | 3°C / 37°F | 0°C / 32°F | 81% | 1007 mb (29.74 in) | NW 22 kph (NW 13.8 mph) | - | 7SM |
| | KCUL 030625Z AUTO 30012G20KT 7SM OVC012 03/00 A2974 RMK AO2 T00280002 |
| 00:05 CST |  Overcast | 3°C / 37°F | 0°C / 32°F | 81% | 1007 mb (29.74 in) | NW 30 kph (NW 18.4 mph) | - | 7SM |
| | KCUL 030605Z AUTO 30016G20KT 7SM OVC014 03/00 A2974 RMK AO2 T00290003 |