| 06:55 CST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1013 mb (29.91 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KCMY 261255Z AUTO 31009G16KT 10SM OVC020 03/01 A2992 RMK AO2 |
| 06:35 CST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1013 mb (29.91 in) | WNW 17 kph (WNW 10.4 mph) | - | 10SM |
| | KCMY 261235Z AUTO 29009G15KT 10SM OVC018 03/01 A2991 RMK AO2 |
| 06:15 CST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1013 mb (29.91 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KCMY 261215Z AUTO 32009KT 10SM OVC018 03/01 A2991 RMK AO2 |
| 05:55 CST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1013 mb (29.91 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KCMY 261155Z AUTO 32007KT 10SM OVC018 03/01 A2990 RMK AO2 |
| 05:35 CST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1013 mb (29.91 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KCMY 261135Z AUTO 32010G15KT 10SM OVC016 03/01 A2990 RMK AO2 |
| 05:15 CST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1013 mb (29.91 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KCMY 261115Z AUTO 31008G16KT 10SM OVC016 03/01 A2990 RMK AO2 |
| 04:55 CST |  Overcast | 3°C / 37°F | 1°C / 34°F | 87% | 1013 mb (29.91 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KCMY 261055Z AUTO 32012G19KT 10SM OVC016 03/01 A2990 RMK AO2 |
| 04:35 CST |  Overcast | 3°C / 37°F | 2°C / 36°F | 93% | 1012 mb (29.88 in) | NNW 22 kph (NNW 13.8 mph) | - | 10SM |
| | KCMY 261035Z AUTO 33012G16KT 10SM OVC014 03/02 A2989 RMK AO2 |
| 04:15 CST |  Overcast | 3°C / 37°F | 2°C / 36°F | 93% | 1012 mb (29.88 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KCMY 261015Z AUTO 32011G15KT 10SM OVC014 03/02 A2988 RMK AO2 |
| 03:55 CST |  Overcast | 3°C / 37°F | 2°C / 36°F | 93% | 1012 mb (29.88 in) | NNW 20 kph (NNW 12.7 mph) | - | 10SM |
| | KCMY 260955Z AUTO 33011G16KT 10SM OVC012 03/02 A2988 RMK AO2 |
| 03:35 CST |  Overcast | 3°C / 37°F | 2°C / 36°F | 93% | 1012 mb (29.88 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KCMY 260935Z AUTO 32010G15KT 10SM OVC012 03/02 A2987 RMK AO2 |
| 03:15 CST |  Overcast Drizzle | 3°C / 37°F | 2°C / 36°F | 93% | 1012 mb (29.88 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KCMY 260915Z AUTO 32012G15KT 10SM -DZ OVC012 03/02 A2987 RMK AO2 |
| 02:55 CST |  Overcast Light Rain | 3°C / 37°F | 2°C / 36°F | 93% | 1012 mb (29.88 in) | NW 20 kph (NW 12.7 mph) | 0.25 mm (0.01 in) | 7SM |
| | KCMY 260855Z AUTO 32011G19KT 7SM -RA OVC012 03/02 A2987 RMK AO2 P0001 |
| 02:35 CST |  Overcast Light Rain | 5°C / 41°F | 3°C / 37°F | 87% | 1011 mb (29.85 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KCMY 260835Z AUTO 32011G14KT 10SM -RA OVC012 05/03 A2986 RMK AO2 |
| 02:15 CST |  Overcast Drizzle | 5°C / 41°F | 3°C / 37°F | 87% | 1011 mb (29.85 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KCMY 260815Z AUTO 32011G16KT 10SM -DZ OVC012 05/03 A2985 RMK AO2 |
| 01:55 CST |  Overcast Drizzle | 5°C / 41°F | 3°C / 37°F | 87% | 1011 mb (29.85 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KCMY 260755Z AUTO 32010G14KT 10SM -DZ OVC014 05/03 A2985 RMK AO2 |
| 01:35 CST |  Overcast Rain | 5°C / 41°F | 3°C / 37°F | 87% | 1010 mb (29.83 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KCMY 260735Z AUTO 32010G16KT 10SM RA OVC014 05/03 A2984 RMK AO2 |
| 01:15 CST |  Overcast Drizzle | 5°C / 41°F | 3°C / 37°F | 87% | 1010 mb (29.83 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KCMY 260715Z AUTO 32009KT 10SM -DZ OVC014 05/03 A2983 RMK AO2 |
| 00:55 CST |  Overcast Light Rain | 5°C / 41°F | 3°C / 37°F | 87% | 1010 mb (29.83 in) | NNW 19 kph (NNW 11.5 mph) | - | 10SM |
| | KCMY 260655Z AUTO 33010KT 10SM -RA OVC014 05/03 A2982 RMK AO2 |
| 00:35 CST |  Overcast Drizzle | 5°C / 41°F | 3°C / 37°F | 87% | 1010 mb (29.83 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KCMY 260635Z AUTO 33008KT 10SM -DZ OVC012 05/03 A2982 RMK AO2 |
| 00:15 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1009 mb (29.8 in) | NNW 20 kph (NNW 12.7 mph) | - | 10SM |
| | KCMY 260615Z AUTO 34011G16KT 10SM OVC012 05/03 A2981 RMK AO2 |