| 08:52 CST |  Overcast | -6°C / 21°F | -9°C / 16°F | 80% | 1019 mb (30.09 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KBIS 021452Z 32012G20KT 10SM BKN030 OVC100 M06/M09 A3008 RMK AO2 SLP211 60000 T10611094 53016 |
| 08:44 CST |  Overcast | -6°C / 21°F | -9°C / 16°F | 80% | 1018 mb (30.06 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KBIS 021444Z 32014KT 10SM BKN030 OVC100 M06/M09 A3007 RMK AO2 |
| 08:10 CST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1018 mb (30.06 in) | NNW 20 kph (NNW 12.7 mph) | - | 10SM |
| | KBIS 021410Z 33011KT 10SM OVC028 M06/M08 A3006 RMK AO2 |
| 07:52 CST |  Overcast | -6°C / 21°F | -8°C / 18°F | 86% | 1018 mb (30.06 in) | NNW 19 kph (NNW 11.5 mph) | 0.00 mm (0.00 in) | 9SM |
| | KBIS 021352Z 34010KT 9SM OVC030 M06/M08 A3005 RMK AO2 WSHFT 1302 SNE49 SLP203 P0000 T10561078 |
| 07:25 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1018 mb (30.06 in) | N 22 kph (N 13.8 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBIS 021325Z 36012KT 2SM -SN BR FEW011 SCT027 OVC033 M06/M07 A3005 RMK AO2 WSHFT 1302 P0000 |
| 07:16 CST |  Overcast Light Snow | -5°C / 23°F | -7°C / 19°F | 86% | 1017 mb (30.03 in) | N 22 kph (N 13.8 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KBIS 021316Z 01012G21KT 1 3/4SM R31/6000VP6000FT -SN BR FEW011 BKN023 OVC037 M05/M07 A3004 RMK AO2 WSHFT 1302 P0000 |
| 07:11 CST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1017 mb (30.03 in) | N 28 kph (N 17.3 mph) | 0.00 mm (0.00 in) | 2SM |
| | KBIS 021311Z 36015G22KT 2SM -SN BR SCT013 BKN017 OVC035 M04/M07 A3003 RMK AO2 P0000 |
| 07:03 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | NW 28 kph (NW 17.3 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KBIS 021303Z 30015G20KT 1 3/4SM -SN BR SCT013 OVC033 M04/M06 A3003 RMK AO2 P0000 |
| 06:52 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | NW 24 kph (NW 15 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KBIS 021252Z 30013G22KT 2 1/2SM -SN BR BKN013 OVC018 M04/M06 A3003 RMK AO2 SNB08 SLP192 P0000 T10391061 |
| 06:44 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | W 20 kph (W 12.7 mph) | 0.00 mm (0.00 in) | 3SM |
| | KBIS 021244Z 28011KT 3SM -SN BR BKN013 OVC020 M04/M06 A3003 RMK AO2 SNB08 P0000 |
| 06:38 CST |  Overcast Light Snow | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | W 17 kph (W 10.4 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KBIS 021238Z 28009KT 2 1/2SM -SN BR BKN016 OVC023 M04/M06 A3003 RMK AO2 SNB08 P0000 |
| 06:14 CST |  Overcast Light Snow | -4°C / 25°F | -7°C / 19°F | 80% | 1017 mb (30.03 in) | WNW 17 kph (WNW 10.4 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KBIS 021214Z 29009KT 1 1/2SM -SN BKN018 OVC026 M04/M07 A3003 RMK AO2 SNB08 P0000 |
| 05:52 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1017 mb (30.03 in) | W 15 kph (W 9.2 mph) | 0.00 mm (0.00 in) | 9SM |
| | KBIS 021152Z AUTO 28008KT 9SM OVC018 M03/M07 A3003 RMK AO2 SNB20E50 SLP191 P0000 60000 70001 T10331067 11022 21033 53002 |
| 04:52 CST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1017 mb (30.03 in) | W 9 kph (W 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBIS 021052Z AUTO 28005KT 10SM SCT020 BKN026 OVC070 M03/M06 A3003 RMK AO2 SNB01E13 SLP190 P0000 T10331061 |
| 04:09 CST |  Overcast Light Snow | -3°C / 27°F | -6°C / 21°F | 80% | 1017 mb (30.03 in) | NW 11 kph (NW 6.9 mph) | 0.00 mm (0.00 in) | 7SM |
| | KBIS 021009Z AUTO 31006KT 7SM -SN BKN024 BKN035 OVC070 M03/M06 A3002 RMK AO2 SNB01 P0000 |
| 03:52 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1017 mb (30.03 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KBIS 020952Z AUTO 32007KT 10SM FEW024 SCT039 OVC070 M03/M07 A3002 RMK AO2 SLP189 T10331067 |
| 03:42 CST |  Overcast | -3°C / 27°F | -7°C / 19°F | 74% | 1017 mb (30.03 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KBIS 020942Z AUTO 32007KT 10SM FEW021 SCT026 OVC070 M03/M07 A3002 RMK AO2 |
| 02:52 CST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1017 mb (30.03 in) | NW 13 kph (NW 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KBIS 020852Z AUTO 30007KT 10SM BKN023 OVC036 M03/M06 A3002 RMK AO2 SNE24 SLP188 P0000 60000 T10281061 58002 |
| 01:52 CST |  Overcast Light Snow | -3°C / 27°F | -6°C / 21°F | 80% | 1017 mb (30.03 in) | NW 13 kph (NW 8.1 mph) | 0.00 mm (0.00 in) | 5SM |
| | KBIS 020752Z AUTO 30007KT 5SM -SN OVC019 M03/M06 A3003 RMK AO2 SNB17 SLP190 P0000 T10281061 |
| 01:23 CST |  Overcast Light Snow | -3°C / 27°F | -7°C / 19°F | 74% | 1017 mb (30.03 in) | WNW 11 kph (WNW 6.9 mph) | 0.00 mm (0.00 in) | 6SM |
| | KBIS 020723Z AUTO 29006KT 6SM -SN BKN019 OVC030 M03/M07 A3003 RMK AO2 SNB17 P0000 |
| 00:52 CST |  Overcast | -2°C / 28°F | -9°C / 16°F | 59% | 1017 mb (30.03 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KBIS 020652Z AUTO 30006KT 10SM SCT031 BKN042 OVC055 M02/M09 A3003 RMK AO2 SLP188 T10221094 |