| 10:50 CST |  Overcast | 4°C / 39°F | 0°C / 32°F | 75% | 1004 mb (29.65 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KALN 021650Z 34005KT 10SM OVC075 04/00 A2966 |
| 09:50 CST |  Overcast | 4°C / 39°F | 1°C / 34°F | 81% | 1005 mb (29.68 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KALN 021550Z 01008KT 10SM BKN075 OVC100 04/01 A2968 |
| 08:50 CST |  Overcast | 3°C / 37°F | 0°C / 32°F | 81% | 1006 mb (29.71 in) | NNE 13 kph (NNE 8.1 mph) | - | 10SM |
| | KALN 021450Z 02007KT 10SM OVC120 03/00 A2970 |
| 08:28 CST |  Overcast Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1004 mb (29.65 in) | NE 9 kph (NE 5.8 mph) | - | 2 1/2SM |
| | KALN 021428Z 05005KT 2 1/2SM RA SCT021 BKN027 OVC035 05/04 A2966 |
| 07:50 CST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1006 mb (29.71 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KALN 021350Z 01008KT 10SM OVC130 02/00 A2970 |
| 06:50 CST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1007 mb (29.74 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KALN 021250Z 03006KT 10SM OVC130 01/00 A2974 |
| 05:45 CST |  Clear | 0°C / 32°F | -1°C / 30°F | 93% | 1008 mb (29.77 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KALN 021145Z AUTO 36003KT 10SM CLR 00/M01 A2977 RMK AO2 T00031006 10030 21005 |
| 05:25 CST |  Clear | 0°C / 32°F | -1°C / 30°F | 93% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | KALN 021125Z AUTO 00000KT 10SM CLR 00/M01 A2977 RMK AO2 T00011008 |
| 05:05 CST |  Clear | 0°C / 32°F | -1°C / 30°F | 93% | 1008 mb (29.77 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KALN 021105Z AUTO 01003KT 10SM CLR 00/M01 A2978 RMK AO2 T00031010 |
| 04:45 CST |  Clear | 1°C / 34°F | -1°C / 30°F | 87% | 1009 mb (29.8 in) | Calm | - | 10SM |
| | KALN 021045Z AUTO 00000KT 10SM CLR 01/M01 A2979 RMK AO2 T00051008 |
| 04:25 CST |  Clear | 1°C / 34°F | -1°C / 30°F | 87% | 1008 mb (29.77 in) | Calm | - | 10SM |
| | KALN 021025Z AUTO 00000KT 10SM CLR 01/M01 A2978 RMK AO2 T00091007 |
| 04:05 CST |  Clear | 1°C / 34°F | -1°C / 30°F | 87% | 1008 mb (29.77 in) | N 6 kph (N 3.5 mph) | - | 10SM |
| | KALN 021005Z AUTO 35003KT 10SM CLR 01/M01 A2977 RMK AO2 T00061007 |
| 03:45 CST |  Clear | 1°C / 34°F | 0°C / 32°F | 93% | 1008 mb (29.77 in) | NNW 7 kph (NNW 4.6 mph) | - | 10SM |
| | KALN 020945Z AUTO 34004KT 10SM CLR 01/00 A2976 RMK AO2 T00071005 |
| 03:25 CST |  Clear | 1°C / 34°F | 0°C / 32°F | 93% | 1008 mb (29.77 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KALN 020925Z AUTO 35005KT 10SM CLR 01/00 A2976 RMK AO2 T00061005 |
| 03:05 CST |  Clear | 0°C / 32°F | 0°C / 32°F | 100% | 1008 mb (29.77 in) | ENE 7 kph (ENE 4.6 mph) | - | 10SM |
| | KALN 020905Z AUTO 07004KT 10SM CLR 00/00 A2977 RMK AO2 T00041005 |
| 02:45 CST |  Clear | 0°C / 32°F | -1°C / 30°F | 93% | 1008 mb (29.77 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KALN 020845Z AUTO 09004KT 10SM CLR 00/M01 A2978 RMK AO2 T00001010 |
| 02:25 CST |  Clear | 0°C / 32°F | -1°C / 30°F | 93% | 1009 mb (29.8 in) | E 7 kph (E 4.6 mph) | - | 10SM |
| | KALN 020825Z AUTO 10004KT 10SM CLR 00/M01 A2979 RMK AO2 T10011012 |
| 02:05 CST |  Clear | 1°C / 34°F | -1°C / 30°F | 87% | 1009 mb (29.8 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KALN 020805Z AUTO 07003KT 10SM CLR 01/M01 A2980 RMK AO2 T00051007 |
| 01:45 CST |  Clear | 1°C / 34°F | -1°C / 30°F | 87% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KALN 020745Z AUTO 00000KT 10SM CLR 01/M01 A2982 RMK AO2 T00131006 |
| 01:25 CST |  Clear | 1°C / 34°F | -1°C / 30°F | 87% | 1010 mb (29.83 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KALN 020725Z AUTO 09003KT 10SM CLR 01/M01 A2982 RMK AO2 T00061006 |
| 01:05 CST |  Clear | 1°C / 34°F | 0°C / 32°F | 93% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KALN 020705Z AUTO 00000KT 10SM CLR 01/00 A2983 RMK AO2 T00111005 |
| 00:45 CST |  Clear | 2°C / 36°F | 0°C / 32°F | 87% | 1010 mb (29.83 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KALN 020645Z AUTO 09003KT 10SM CLR 02/00 A2982 RMK AO2 T00171005 |
| 00:25 CST |  Clear | 2°C / 36°F | 0°C / 32°F | 87% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KALN 020625Z AUTO 00000KT 10SM CLR 02/00 A2983 RMK AO2 T00161002 |
| 00:05 CST |  Clear | 2°C / 36°F | -1°C / 30°F | 81% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KALN 020605Z AUTO 00000KT 10SM CLR 02/M01 A2984 RMK AO2 T00161006 |