| 09:13 CST |  Overcast | -4°C / 25°F | -8°C / 18°F | 74% | 1013 mb (29.91 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KTWM 021513Z AUTO 35004KT 10SM OVC021 M04/M08 A2990 RMK AO2 |
| 08:53 CST |  Overcast | -4°C / 25°F | -9°C / 16°F | 69% | 1012 mb (29.88 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KTWM 021453Z AUTO 34008KT 301V011 10SM OVC021 M04/M09 A2989 RMK AO2 |
| 08:33 CST |  Overcast | -4°C / 25°F | -9°C / 16°F | 69% | 1012 mb (29.88 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KTWM 021433Z AUTO 35007KT 281V041 10SM OVC021 M04/M09 A2989 RMK AO2 |
| 08:13 CST |  Overcast | -4°C / 25°F | -8°C / 18°F | 74% | 1012 mb (29.88 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KTWM 021413Z AUTO 33006KT 10SM OVC021 M04/M08 A2988 RMK AO2 |
| 07:53 CST |  Overcast | -4°C / 25°F | -8°C / 18°F | 74% | 1012 mb (29.88 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KTWM 021353Z AUTO 32006KT 10SM OVC021 M04/M08 A2987 RMK AO2 |
| 07:33 CST |  Overcast | -4°C / 25°F | -9°C / 16°F | 69% | 1012 mb (29.88 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KTWM 021333Z AUTO 34008G15KT 10SM OVC021 M04/M09 A2987 RMK AO2 |
| 07:13 CST |  Overcast | -4°C / 25°F | -8°C / 18°F | 74% | 1011 mb (29.85 in) | NNW 9 kph (NNW 5.8 mph) | - | 10SM |
| | KTWM 021313Z AUTO 33005KT 10SM OVC019 M04/M08 A2986 RMK AO2 |
| 06:53 CST |  Overcast | -3°C / 27°F | -8°C / 18°F | 69% | 1011 mb (29.85 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KTWM 021253Z AUTO 33006KT 10SM OVC019 M03/M08 A2986 RMK AO2 |
| 06:33 CST |  Overcast | -3°C / 27°F | -8°C / 18°F | 69% | 1011 mb (29.85 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KTWM 021233Z AUTO 31007KT 271V331 10SM OVC019 M03/M08 A2986 RMK AO2 |
| 06:13 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1011 mb (29.85 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KTWM 021213Z AUTO 32003KT 10SM OVC019 M03/M07 A2985 RMK AO2 |
| 05:53 CST |  Overcast | -3°C / 27°F | -8°C / 18°F | 69% | 1010 mb (29.83 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KTWM 021153Z AUTO 32006KT 10SM OVC019 M03/M08 A2984 RMK AO2 |
| 05:33 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1010 mb (29.83 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KTWM 021133Z AUTO 33007G16KT 301V001 10SM OVC019 M03/M07 A2983 RMK AO2 |
| 05:13 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1010 mb (29.83 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KTWM 021113Z AUTO 31007KT 10SM OVC019 M03/M07 A2982 RMK AO2 |
| 04:53 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1010 mb (29.83 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KTWM 021053Z AUTO 33006KT 10SM OVC019 M03/M07 A2982 RMK AO2 |
| 04:33 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1009 mb (29.8 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KTWM 021033Z AUTO 31006KT 10SM OVC019 M03/M07 A2981 RMK AO2 |
| 04:13 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1009 mb (29.8 in) | NNW 15 kph (NNW 9.2 mph) | - | 10SM |
| | KTWM 021013Z AUTO 33008KT 10SM OVC019 M03/M07 A2980 RMK AO2 |
| 03:53 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1009 mb (29.8 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KTWM 020953Z AUTO 33007KT 10SM OVC019 M03/M07 A2979 RMK AO2 |
| 03:33 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1008 mb (29.77 in) | NNW 11 kph (NNW 6.9 mph) | - | 10SM |
| | KTWM 020933Z AUTO 33006KT 10SM OVC019 M03/M07 A2978 RMK AO2 |
| 03:13 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1008 mb (29.77 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KTWM 020913Z AUTO 31005KT 10SM OVC019 M03/M07 A2977 RMK AO2 |
| 02:53 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1007 mb (29.74 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KTWM 020853Z AUTO 31010G17KT 281V341 10SM OVC017 M03/M07 A2975 RMK AO2 |
| 02:33 CST |  Overcast | -2°C / 28°F | -6°C / 21°F | 74% | 1007 mb (29.74 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KTWM 020833Z AUTO 30007G16KT 271V331 10SM OVC017 M02/M06 A2974 RMK AO2 |
| 02:13 CST |  Mostly Cloudy | -2°C / 28°F | -6°C / 21°F | 74% | 1007 mb (29.74 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KTWM 020813Z AUTO 32006G19KT 10SM BKN017 M02/M06 A2973 RMK AO2 |
| 01:53 CST |  Overcast | -2°C / 28°F | -6°C / 21°F | 74% | 1006 mb (29.71 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KTWM 020753Z AUTO 32011G16KT 281V351 10SM OVC017 M02/M06 A2971 RMK AO2 |
| 01:33 CST |  Overcast | -2°C / 28°F | -6°C / 21°F | 74% | 1006 mb (29.71 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KTWM 020733Z AUTO 32010G16KT 10SM OVC017 M02/M06 A2970 RMK AO2 |
| 01:13 CST |  Mostly Cloudy | -2°C / 28°F | -5°C / 23°F | 80% | 1005 mb (29.68 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KTWM 020713Z AUTO 31007G16KT 271V351 10SM BKN017 M02/M05 A2969 RMK AO2 |
| 00:53 CST |  Mostly Cloudy | -1°C / 30°F | -5°C / 23°F | 75% | 1005 mb (29.68 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KTWM 020653Z AUTO 30009G18KT 271V341 10SM BKN017 M01/M05 A2968 RMK AO2 |
| 00:33 CST |  Mostly Cloudy | -1°C / 30°F | -4°C / 25°F | 80% | 1005 mb (29.68 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KTWM 020633Z AUTO 32009G22KT 271V351 10SM BKN015 M01/M04 A2967 RMK AO2 |
| 00:13 CST |  Mostly Cloudy | -1°C / 30°F | -4°C / 25°F | 80% | 1004 mb (29.65 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KTWM 020613Z AUTO 31010G17KT 281V341 10SM BKN013 BKN023 M01/M04 A2965 RMK AO2 |