| 22:53 CST |  Overcast | 0°C / 32°F | -5°C / 23°F | 69% | 1012 mb (29.88 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KGRB 270453Z 29008KT 10SM OVC042 00/M05 A2988 RMK AO2 SLP127 T00001050 |
| 21:53 CST |  Overcast | 0°C / 32°F | -4°C / 25°F | 75% | 1012 mb (29.88 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KGRB 270353Z 30007KT 10SM OVC042 00/M04 A2988 RMK AO2 SLP126 T00001039 |
| 20:53 CST |  Overcast | 1°C / 34°F | -4°C / 25°F | 70% | 1012 mb (29.88 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KGRB 270253Z 31009KT 10SM OVC032 01/M04 A2989 RMK AO2 SLP129 T00061044 51009 |
| 19:53 CST |  Overcast | 1°C / 34°F | -4°C / 25°F | 70% | 1012 mb (29.88 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KGRB 270153Z 31013KT 10SM OVC035 01/M04 A2988 RMK AO2 SLP125 T00061044 |
| 18:53 CST |  Overcast | 1°C / 34°F | -3°C / 27°F | 75% | 1012 mb (29.88 in) | WNW 20 kph (WNW 12.7 mph) | - | 10SM |
| | KGRB 270053Z 29011KT 10SM OVC033 01/M03 A2987 RMK AO2 SLP123 T00111033 |
| 18:42 CST |  Overcast | 1°C / 34°F | -3°C / 27°F | 75% | 1012 mb (29.88 in) | WNW 22 kph (WNW 13.8 mph) | - | 10SM |
| | KGRB 270042Z 29012KT 10SM OVC031 01/M03 A2987 RMK AO2 |
| 17:53 CST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1011 mb (29.85 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KGRB 262353Z 32010G21KT 10SM BKN029 OVC036 02/M03 A2986 RMK AO2 SLP119 T00171033 10050 20017 51017 |
| 17:27 CST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1011 mb (29.85 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KGRB 262327Z 30013KT 10SM OVC032 02/M03 A2986 RMK AO2 |
| 16:53 CST |  Overcast | 2°C / 36°F | -2°C / 28°F | 75% | 1011 mb (29.85 in) | WNW 26 kph (WNW 16.1 mph) | - | 10SM |
| | KGRB 262253Z 29014G23KT 10SM OVC028 02/M02 A2985 RMK AO2 SLP116 T00171022 |
| 15:53 CST |  Overcast | 3°C / 37°F | -2°C / 28°F | 70% | 1010 mb (29.83 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KGRB 262153Z AUTO 30012G20KT 10SM OVC028 03/M02 A2984 RMK AO2 SLP110 T00281017 |
| 14:53 CST |  Overcast | 4°C / 39°F | -1°C / 30°F | 70% | 1009 mb (29.8 in) | WNW 22 kph (WNW 13.8 mph) | - | 10SM |
| | KGRB 262053Z AUTO 29012G22KT 10SM OVC030 04/M01 A2981 RMK AO2 SLP101 T00391006 53001 |
| 13:53 CST |  Overcast | 5°C / 41°F | -1°C / 30°F | 66% | 1009 mb (29.8 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KGRB 261953Z 31014G18KT 10SM OVC032 05/M01 A2979 RMK AO2 SLP095 T00501006 |
| 12:53 CST |  Overcast | 5°C / 41°F | -1°C / 30°F | 66% | 1009 mb (29.8 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KGRB 261853Z 31013KT 10SM OVC030 05/M01 A2980 RMK AO2 SLP095 T00501006 |
| 11:53 CST |  Overcast | 5°C / 41°F | 0°C / 32°F | 70% | 1009 mb (29.8 in) | NNW 17 kph (NNW 10.4 mph) | - | 10SM |
| | KGRB 261753Z 33009G19KT 10SM BKN032 OVC060 05/00 A2981 RMK AO2 SLP100 60000 T00500000 10050 20039 51006 |
| 10:53 CST |  Mostly Cloudy | 4°C / 39°F | -1°C / 30°F | 70% | 1009 mb (29.8 in) | NNW 28 kph (NNW 17.3 mph) | - | 10SM |
| | KGRB 261653Z 33015G19KT 10SM BKN050 04/M01 A2981 RMK AO2 SLP099 T00441006 |
| 09:53 CST |  Overcast | 4°C / 39°F | 0°C / 32°F | 75% | 1009 mb (29.8 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KGRB 261553Z 33013KT 10SM FEW025 SCT037 OVC044 04/00 A2981 RMK AO2 SLP102 T00440000 |
| 08:53 CST |  Overcast | 4°C / 39°F | 1°C / 34°F | 81% | 1009 mb (29.8 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KGRB 261453Z 32012KT 10SM FEW060 OVC080 04/01 A2979 RMK AO2 SLP094 60000 T00390006 53017 |
| 07:53 CST |  Overcast | 4°C / 39°F | 1°C / 34°F | 81% | 1008 mb (29.77 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KGRB 261353Z 33013G21KT 10SM SCT020 BKN075 OVC090 04/01 A2977 RMK AO2 SLP085 T00440006 |
| 06:53 CST |  Overcast | 4°C / 39°F | 1°C / 34°F | 81% | 1008 mb (29.77 in) | NNW 24 kph (NNW 15 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGRB 261253Z 34013G18KT 10SM FEW026 BKN050 OVC095 04/01 A2976 RMK AO2 RAE06 SLP082 P0000 T00440011 |
| 06:46 CST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1008 mb (29.77 in) | NNW 19 kph (NNW 11.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGRB 261246Z 34010KT 10SM FEW026 SCT050 OVC090 04/02 A2976 RMK AO2 RAE06 P0000 |
| 05:53 CST |  Overcast Light Rain | 5°C / 41°F | 3°C / 37°F | 87% | 1007 mb (29.74 in) | NNW 24 kph (NNW 15 mph) | 0.25 mm (0.01 in) | 10SM |
| | KGRB 261153Z 34013KT 10SM -RA FEW015 OVC022 05/03 A2974 RMK AO2 RAE29B49 SLP077 P0001 60010 70038 T00500033 10056 20050 53010 |
| 05:26 CST |  Overcast Light Rain | 5°C / 41°F | 3°C / 37°F | 87% | 1007 mb (29.74 in) | NNW 15 kph (NNW 9.2 mph) | 0.25 mm (0.01 in) | 10SM |
| | KGRB 261126Z 34008KT 10SM -RA BKN024 OVC035 05/03 A2974 RMK AO2 P0001 |
| 04:53 CST |  Overcast Light Rain | 6°C / 43°F | 3°C / 37°F | 81% | 1007 mb (29.74 in) | NNW 20 kph (NNW 12.7 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGRB 261053Z AUTO 34011KT 10SM -RA FEW028 BKN033 OVC040 06/03 A2973 RMK AO2 SLP071 P0000 T00560033 |
| 03:53 CST |  Overcast Light Rain | 6°C / 43°F | 3°C / 37°F | 81% | 1006 mb (29.71 in) | NNW 22 kph (NNW 13.8 mph) | 0.25 mm (0.01 in) | 10SM |
| | KGRB 260953Z AUTO 34012G18KT 10SM -RA SCT029 OVC037 06/03 A2971 RMK AO2 SLP066 P0001 T00560033 |
| 03:07 CST |  Overcast Light Rain | 6°C / 43°F | 4°C / 39°F | 87% | 1006 mb (29.71 in) | NNW 19 kph (NNW 11.5 mph) | 0.25 mm (0.01 in) | 10SM |
| | KGRB 260907Z AUTO 34010KT 10SM -RA SCT025 OVC035 06/04 A2971 RMK AO2 P0001 |
| 02:53 CST |  Overcast Light Rain | 6°C / 43°F | 4°C / 39°F | 87% | 1006 mb (29.71 in) | N 19 kph (N 11.5 mph) | 1.02 mm (0.04 in) | 9SM |
| | KGRB 260853Z AUTO 35010KT 9SM -RA BKN025 OVC032 06/04 A2971 RMK AO2 SLP065 P0004 60008 T00560039 51006 |
| 01:53 CST |  Overcast Light Rain | 6°C / 43°F | 4°C / 39°F | 87% | 1006 mb (29.71 in) | N 17 kph (N 10.4 mph) | 0.51 mm (0.02 in) | 6SM |
| | KGRB 260753Z AUTO 35009KT 6SM -RA BR OVC023 06/04 A2971 RMK AO2 SLP064 P0002 T00560044 |
| 01:21 CST |  Overcast Light Rain | 6°C / 43°F | 4°C / 39°F | 87% | 1006 mb (29.71 in) | N 20 kph (N 12.7 mph) | 0.25 mm (0.01 in) | 8SM |
| | KGRB 260721Z AUTO 35011KT 8SM -RA BKN025 BKN029 OVC049 06/04 A2970 RMK AO2 P0001 |
| 01:10 CST |  Overcast Light Rain | 6°C / 43°F | 4°C / 39°F | 87% | 1005 mb (29.68 in) | N 15 kph (N 9.2 mph) | 0.25 mm (0.01 in) | 7SM |
| | KGRB 260710Z AUTO 35008KT 7SM -RA SCT025 BKN030 OVC049 06/04 A2969 RMK AO2 P0001 |
| 00:53 CST |  Overcast Light Rain | 6°C / 43°F | 4°C / 39°F | 87% | 1005 mb (29.68 in) | N 19 kph (N 11.5 mph) | 0.51 mm (0.02 in) | 7SM |
| | KGRB 260653Z AUTO 35010KT 7SM -RA FEW021 BKN027 OVC033 06/04 A2969 RMK AO2 SLP061 P0002 T00560044 |
| 00:17 CST |  Overcast Light Rain | 6°C / 43°F | 4°C / 39°F | 87% | 1005 mb (29.68 in) | N 20 kph (N 12.7 mph) | 0.25 mm (0.01 in) | 9SM |
| | KGRB 260617Z AUTO 35011KT 9SM -RA SCT010 SCT017 OVC027 06/04 A2969 RMK AO2 P0001 |
| 00:04 CST |  Overcast Light Rain | 6°C / 43°F | 4°C / 39°F | 87% | 1005 mb (29.68 in) | N 19 kph (N 11.5 mph) | 0.25 mm (0.01 in) | 6SM |
| | KGRB 260604Z AUTO 35010KT 6SM -RA BR BKN010 BKN017 OVC027 06/04 A2969 RMK AO2 P0001 |