| 07:35 CST |  Clear | 2°C / 36°F | -1°C / 30°F | 81% | 1011 mb (29.85 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KCMY 021335Z AUTO 32006KT 10SM CLR 02/M01 A2986 RMK AO2 |
| 07:15 CST |  Clear | 2°C / 36°F | -1°C / 30°F | 81% | 1011 mb (29.85 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KCMY 021315Z AUTO 33006KT 10SM CLR 02/M01 A2985 RMK AO2 |
| 06:55 CST |  Clear | 2°C / 36°F | -1°C / 30°F | 81% | 1011 mb (29.85 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KCMY 021255Z AUTO 32007KT 10SM CLR 02/M01 A2985 RMK AO2 |
| 06:35 CST |  Clear | 2°C / 36°F | -1°C / 30°F | 81% | 1011 mb (29.85 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KCMY 021235Z AUTO 32007KT 10SM CLR 02/M01 A2985 RMK AO2 |
| 06:15 CST |  Clear | 2°C / 36°F | -1°C / 30°F | 81% | 1011 mb (29.85 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KCMY 021215Z AUTO 30008KT 10SM CLR 02/M01 A2985 RMK AO2 |
| 05:55 CST |  Clear | 3°C / 37°F | 0°C / 32°F | 81% | 1011 mb (29.85 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KCMY 021155Z AUTO 30006KT 10SM CLR 03/00 A2985 RMK AO2 |
| 05:35 CST |  Clear | 2°C / 36°F | 0°C / 32°F | 87% | 1010 mb (29.83 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KCMY 021135Z AUTO 30006KT 10SM CLR 02/00 A2984 RMK AO2 |
| 05:15 CST |  Clear | 2°C / 36°F | 0°C / 32°F | 87% | 1010 mb (29.83 in) | NW 15 kph (NW 9.2 mph) | - | 10SM |
| | KCMY 021115Z AUTO 30008KT 10SM CLR 02/00 A2983 RMK AO2 |
| 04:55 CST |  Clear | 3°C / 37°F | 0°C / 32°F | 81% | 1010 mb (29.83 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KCMY 021055Z AUTO 28004KT 10SM CLR 03/00 A2983 RMK AO2 |
| 04:35 CST |  Clear | 2°C / 36°F | 0°C / 32°F | 87% | 1010 mb (29.83 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KCMY 021035Z AUTO 27005KT 10SM CLR 02/00 A2983 RMK AO2 |
| 04:15 CST |  Clear | 2°C / 36°F | 0°C / 32°F | 87% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KCMY 021015Z AUTO 00000KT 10SM CLR 02/00 A2982 RMK AO2 |
| 03:55 CST |  Clear | 3°C / 37°F | 0°C / 32°F | 81% | 1010 mb (29.83 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KCMY 020955Z AUTO 29005KT 10SM CLR 03/00 A2982 RMK AO2 |
| 03:35 CST |  Clear | 3°C / 37°F | 0°C / 32°F | 81% | 1009 mb (29.8 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KCMY 020935Z AUTO 29005KT 10SM CLR 03/00 A2981 RMK AO2 |
| 03:15 CST |  Partly Cloudy | 3°C / 37°F | 0°C / 32°F | 81% | 1009 mb (29.8 in) | WNW 11 kph (WNW 6.9 mph) | - | 10SM |
| | KCMY 020915Z AUTO 29006KT 10SM SCT025 03/00 A2981 RMK AO2 |
| 02:55 CST |  Partly Cloudy | 3°C / 37°F | 0°C / 32°F | 81% | 1009 mb (29.8 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KCMY 020855Z AUTO 29005KT 10SM SCT025 03/00 A2980 RMK AO2 |
| 02:35 CST |  Mostly Cloudy | 5°C / 41°F | 1°C / 34°F | 76% | 1009 mb (29.8 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KCMY 020835Z AUTO 30007KT 10SM BKN025 05/01 A2980 RMK AO2 |
| 02:15 CST |  Overcast | 5°C / 41°F | 1°C / 34°F | 76% | 1009 mb (29.8 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KCMY 020815Z AUTO 30009KT 10SM OVC025 05/01 A2981 RMK AO2 |
| 01:55 CST |  Overcast | 5°C / 41°F | 1°C / 34°F | 76% | 1009 mb (29.8 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KCMY 020755Z AUTO 27005KT 10SM OVC025 05/01 A2979 RMK AO2 |
| 01:35 CST |  Mostly Cloudy | 5°C / 41°F | 1°C / 34°F | 76% | 1008 mb (29.77 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KCMY 020735Z AUTO 27006KT 10SM BKN025 05/01 A2978 RMK AO2 |
| 01:15 CST |  Clear | 5°C / 41°F | 1°C / 34°F | 76% | 1008 mb (29.77 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KCMY 020715Z AUTO 30006KT 10SM CLR 05/01 A2977 RMK AO2 |
| 00:55 CST |  Clear | 5°C / 41°F | 1°C / 34°F | 76% | 1008 mb (29.77 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KCMY 020655Z AUTO 28005KT 10SM CLR 05/01 A2976 RMK AO2 |
| 00:35 CST |  Clear | 5°C / 41°F | 2°C / 36°F | 81% | 1007 mb (29.74 in) | W 7 kph (W 4.6 mph) | - | 10SM |
| | KCMY 020635Z AUTO 27004KT 10SM CLR 05/02 A2975 RMK AO2 |
| 00:15 CST |  Clear | 4°C / 39°F | 2°C / 36°F | 87% | 1007 mb (29.74 in) | W 9 kph (W 5.8 mph) | - | 10SM |
| | KCMY 020615Z AUTO 28005KT 10SM CLR 04/02 A2975 RMK AO2 |