| 17:53 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1007 mb (29.74 in) | ENE 11 kph (ENE 6.9 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KGRB 262353Z 06006KT 1 1/4SM -SN BR OVC012 M06/M07 A2974 RMK AO2 SLP083 P0000 60001 T10561067 11056 21061 53004 |
| 17:33 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1007 mb (29.74 in) | NE 13 kph (NE 8.1 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGRB 262333Z 05007KT 1 3/4SM -SN BR BKN022 BKN036 OVC047 M06/M07 A2973 RMK AO2 P0000 |
| 17:27 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1007 mb (29.74 in) | ENE 11 kph (ENE 6.9 mph) | 0.00 mm (0.00 in) | 2SM |
| | KGRB 262327Z 06006KT 2SM -SN BR SCT028 BKN036 OVC047 M06/M07 A2973 RMK AO2 P0000 |
| 17:07 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1007 mb (29.74 in) | ENE 11 kph (ENE 6.9 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGRB 262307Z 06006KT 1 3/4SM -SN BR BKN038 OVC049 M06/M07 A2973 RMK AO2 P0000 |
| 16:53 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1007 mb (29.74 in) | ENE 11 kph (ENE 6.9 mph) | 0.00 mm (0.00 in) | 4SM |
| | KGRB 262253Z 06006KT 4SM -SN BR BKN042 OVC049 M06/M07 A2973 RMK AO2 SLP081 P0000 T10561067 |
| 15:53 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1006 mb (29.71 in) | NE 17 kph (NE 10.4 mph) | 0.00 mm (0.00 in) | 3SM |
| | KGRB 262153Z 04009KT 3SM -SN BR FEW031 OVC040 M06/M07 A2972 RMK AO2 SLP078 P0000 T10561072 |
| 15:49 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1006 mb (29.71 in) | NE 17 kph (NE 10.4 mph) | 0.00 mm (0.00 in) | 3SM |
| | KGRB 262149Z 04009KT 3SM -SN BR FEW031 OVC038 M06/M07 A2972 RMK AO2 P0000 |
| 15:36 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1006 mb (29.71 in) | NE 17 kph (NE 10.4 mph) | 0.00 mm (0.00 in) | 2SM |
| | KGRB 262136Z 04009KT 2SM -SN BR BKN018 OVC032 M06/M07 A2972 RMK AO2 P0000 |
| 14:53 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | NE 24 kph (NE 15 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KGRB 262053Z 05013KT 1 1/4SM -SN BR OVC010 M06/M08 A2972 RMK AO2 SLP076 P0000 60001 T10611078 53002 |
| 13:53 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | NE 19 kph (NE 11.5 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KGRB 261953Z 05010KT 1 1/4SM -SN BR OVC008 M06/M08 A2971 RMK AO2 SLP074 P0000 T10611078 |
| 13:28 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | NE 15 kph (NE 9.2 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KGRB 261928Z 05008KT 1 1/2SM -SN BR BKN012 OVC034 M06/M08 A2971 RMK AO2 P0000 |
| 13:19 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | ENE 15 kph (ENE 9.2 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KGRB 261919Z 06008KT 1 3/4SM -SN BR BKN016 OVC034 M06/M08 A2971 RMK AO2 P0000 |
| 13:07 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | NE 15 kph (NE 9.2 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KGRB 261907Z 05008KT 2 1/2SM -SN BR BKN029 BKN034 OVC045 M06/M08 A2971 RMK AO2 P0000 |
| 12:53 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | NE 11 kph (NE 6.9 mph) | 0.25 mm (0.01 in) | 3SM |
| | KGRB 261853Z 04006KT 3SM -SN BKN030 OVC048 M06/M08 A2971 RMK AO2 SLP073 P0001 T10561083 |
| 12:51 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | NE 11 kph (NE 6.9 mph) | 0.25 mm (0.01 in) | 3SM |
| | KGRB 261851Z 04006KT 3SM -SN BKN030 OVC048 M06/M08 A2971 RMK AO2 P0001 |
| 12:49 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | NE 13 kph (NE 8.1 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KGRB 261849Z 04007KT 2 1/2SM -SN BKN028 OVC048 M06/M08 A2971 RMK AO2 P0001 |
| 12:42 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1006 mb (29.71 in) | NE 13 kph (NE 8.1 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KGRB 261842Z 03007KT 1 3/4SM -SN BR OVC016 M06/M08 A2972 RMK AO2 P0001 |
| 12:03 CST |  Overcast Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1007 mb (29.74 in) | NE 11 kph (NE 6.9 mph) | 0.25 mm (0.01 in) | 1SM |
| | KGRB 261803Z 05006KT 1SM -SN BR BKN009 OVC034 M06/M08 A2973 RMK AO2 P0001 RVRNO |
| 11:53 CST |  Mostly Cloudy Light Snow | -6°C / 21°F | -8°C / 18°F | 86% | 1007 mb (29.74 in) | ENE 9 kph (ENE 5.8 mph) | 0.00 mm (0.00 in) | 1SM |
| | KGRB 261753Z 06005KT 1SM -SN BR BKN011 BKN030 M06/M08 A2973 RMK AO2 SNB14 SLP079 P0000 60000 T10611083 11056 21106 58007 RVRNO |
| 11:26 CST |  Mostly Cloudy Light Snow | -6°C / 21°F | -10°C / 14°F | 74% | 1007 mb (29.74 in) | E 7 kph (E 4.6 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KGRB 261726Z 08004KT 2 1/2SM -SN BKN022 BKN046 M06/M10 A2974 RMK AO2 SNB14 P0000 |
| 11:13 CST |  Mostly Cloudy Hazy | -6°C / 21°F | -10°C / 14°F | 74% | 1007 mb (29.74 in) | Calm | - | 3SM |
| | KGRB 261713Z 00000KT 3SM HZ BKN024 BKN037 BKN046 M06/M10 A2974 RMK AO2 |
| 11:03 CST |  Mostly Cloudy | -6°C / 21°F | -11°C / 12°F | 68% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KGRB 261703Z 00000KT 10SM BKN030 BKN048 M06/M11 A2974 RMK AO2 |
| 10:53 CST |  Mostly Cloudy | -6°C / 21°F | -11°C / 12°F | 68% | 1007 mb (29.74 in) | E 6 kph (E 3.5 mph) | - | 9SM |
| | KGRB 261653Z 09003KT 9SM BKN028 M06/M11 A2974 RMK AO2 SLP083 T10561111 |
| 10:50 CST |  Mostly Cloudy | -6°C / 21°F | -11°C / 12°F | 68% | 1007 mb (29.74 in) | NE 9 kph (NE 5.8 mph) | - | 9SM |
| | KGRB 261650Z 04005KT 9SM BKN028 M06/M11 A2974 RMK AO2 |
| 09:53 CST |  Mostly Cloudy | -7°C / 19°F | -9°C / 16°F | 86% | 1007 mb (29.74 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KGRB 261553Z 04003KT 10SM BKN060 M07/M09 A2975 RMK AO2 SLP085 T10671094 |
| 08:53 CST |  Clear | -8°C / 18°F | -10°C / 14°F | 86% | 1007 mb (29.74 in) | E 6 kph (E 3.5 mph) | - | 10SM |
| | KGRB 261453Z 09003KT 10SM CLR M08/M10 A2974 RMK AO2 SLP082 60000 T10781100 51012 |
| 07:53 CST |  Partly Cloudy | -9°C / 16°F | -11°C / 12°F | 86% | 1007 mb (29.74 in) | SE 6 kph (SE 3.5 mph) | 0.00 mm (0.00 in) | 9SM |
| | KGRB 261353Z 13003KT 9SM FEW048 M09/M11 A2974 RMK AO2 SNE31 SLP081 P0000 T10891106 |
| 07:16 CST |  Overcast Light Snow | -8°C / 18°F | -9°C / 16°F | 93% | 1007 mb (29.74 in) | E 7 kph (E 4.6 mph) | 0.00 mm (0.00 in) | 4SM |
| | KGRB 261316Z 08004KT 4SM -SN BR SCT028 OVC041 M08/M09 A2973 RMK AO2 P0000 |
| 07:08 CST |  Overcast Light Snow | -8°C / 18°F | -10°C / 14°F | 86% | 1007 mb (29.74 in) | E 7 kph (E 4.6 mph) | 0.00 mm (0.00 in) | 4SM |
| | KGRB 261308Z 10004KT 4SM -SN BR BKN024 BKN033 OVC041 M08/M10 A2973 RMK AO2 P0000 |
| 06:53 CST |  Overcast Light Snow | -8°C / 18°F | -10°C / 14°F | 86% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 2 1/2SM |
| | KGRB 261253Z 00000KT 2 1/2SM -SN BR BKN022 OVC033 M08/M10 A2974 RMK AO2 SNB28 SLP080 P0000 T10831100 |
| 06:45 CST |  Overcast Light Snow | -9°C / 16°F | -10°C / 14°F | 93% | 1007 mb (29.74 in) | SSE 6 kph (SSE 3.5 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KGRB 261245Z 15003KT 2 1/2SM -SN BR BKN024 OVC036 M09/M10 A2974 RMK AO2 SNB28 P0000 |
| 06:38 CST |  Overcast Light Snow | -9°C / 16°F | -10°C / 14°F | 93% | 1007 mb (29.74 in) | SSE 6 kph (SSE 3.5 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KGRB 261238Z 15003KT 2 1/2SM -SN BR SCT024 OVC036 M09/M10 A2973 RMK AO2 SNB28 P0000 |
| 05:53 CST |  Overcast | -11°C / 12°F | -12°C / 10°F | 92% | 1006 mb (29.71 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KGRB 261153Z 31003KT 10SM FEW046 OVC060 M11/M12 A2971 RMK AO2 SLP069 60000 70028 T11061122 11050 21106 56001 |
| 04:53 CST |  Clear | -9°C / 16°F | -11°C / 12°F | 86% | 1006 mb (29.71 in) | Calm | - | 10SM |
| | KGRB 261053Z AUTO 00000KT 10SM CLR M09/M11 A2971 RMK AO2 SLP070 T10891111 |
| 03:53 CST |  Mostly Cloudy | -8°C / 18°F | -11°C / 12°F | 79% | 1005 mb (29.68 in) | Calm | - | 10SM |
| | KGRB 260953Z AUTO 00000KT 10SM BKN055 M08/M11 A2969 RMK AO2 SLP064 T10781106 |
| 02:53 CST |  Mostly Cloudy | -7°C / 19°F | -11°C / 12°F | 73% | 1006 mb (29.71 in) | Calm | - | 10SM |
| | KGRB 260853Z AUTO 00000KT 10SM BKN050 M07/M11 A2971 RMK AO2 SLP069 60000 T10671106 51020 |
| 01:53 CST |  Mostly Cloudy | -6°C / 21°F | -11°C / 12°F | 68% | 1006 mb (29.71 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KGRB 260753Z AUTO 18006KT 10SM BKN060 M06/M11 A2970 RMK AO2 SLP067 T10611106 |
| 00:53 CST |  Overcast | -6°C / 21°F | -9°C / 16°F | 80% | 1005 mb (29.68 in) | S 15 kph (S 9.2 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGRB 260653Z AUTO 19008KT 10SM SCT019 OVC075 M06/M09 A2968 RMK AO2 SNB34E42 SLP058 P0000 T10561094 |