| 01:53 CST |  Overcast Heavy Snow | 0°C / 32°F | -1°C / 30°F | 93% | 991 mb (29.26 in) | NE 37 kph (NE 23 mph) | 0.76 mm (0.03 in) | 1/4SM |
| | KGRB 090753Z AUTO 05020G28KT 1/4SM +SN FG OVC004 00/M01 A2925 RMK AO2 PK WND 06030/0737 PRESFR SLP912 P0003 T00001011 TSNO RVRNO |
| 01:36 CST |  Overcast Snow | -1°C / 30°F | -1°C / 30°F | 100% | 991 mb (29.26 in) | NE 39 kph (NE 24.2 mph) | 0.25 mm (0.01 in) | 1/2SM |
| | KGRB 090736Z AUTO 05021G27KT 1/2SM SN FZFG OVC004 M01/M01 A2927 RMK AO2 PK WND 05028/0704 PRESFR P0001 TSNO RVRNO |
| 01:17 CST |  Overcast Light Snow | -1°C / 30°F | -1°C / 30°F | 100% | 992 mb (29.29 in) | NE 35 kph (NE 21.9 mph) | 0.25 mm (0.01 in) | 3/4SM |
| | KGRB 090717Z AUTO 05019G26KT 3/4SM -SN BR OVC006 M01/M01 A2929 RMK AO2 PK WND 05028/0704 PRESFR P0001 TSNO RVRNO |
| 01:03 CST |  Overcast Light Snow | -1°C / 30°F | -1°C / 30°F | 100% | 993 mb (29.32 in) | NE 33 kph (NE 20.7 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KGRB 090703Z AUTO 05018KT 3/4SM -SN BR BKN004 OVC009 M01/M01 A2932 RMK AO2 PK WND 06026/0655 PRESFR P0000 TSNO RVRNO |
| 00:53 CST |  Overcast Snow | -1°C / 30°F | -2°C / 28°F | 93% | 994 mb (29.35 in) | NE 39 kph (NE 24.2 mph) | 1.02 mm (0.04 in) | 1/2SM |
| | KGRB 090653Z AUTO 05021G28KT 1/2SM SN FZFG BKN005 OVC010 M01/M02 A2934 RMK AO2 PK WND 06028/0651 PRESFR SLP942 P0004 T10061017 TSNO RVRNO |
| 00:40 CST |  Overcast Snow | -1°C / 30°F | -2°C / 28°F | 93% | 994 mb (29.35 in) | NE 32 kph (NE 19.6 mph) | 0.76 mm (0.03 in) | 1/2SM |
| | KGRB 090640Z AUTO 05017G27KT 1/2SM SN FZFG SCT002 OVC007 M01/M02 A2936 RMK AO2 PK WND 05027/0635 PRESFR P0003 TSNO RVRNO |
| 00:30 CST |  Overcast Heavy Snow | -1°C / 30°F | -2°C / 28°F | 93% | 995 mb (29.38 in) | NE 37 kph (NE 23 mph) | 0.51 mm (0.02 in) | 1/4SM |
| | KGRB 090630Z AUTO 05020G27KT 1/4SM +SN FZFG BKN002 OVC007 M01/M02 A2937 RMK AO2 PK WND 05027/0624 PRESFR P0002 TSNO RVRNO |