| 17:55 CST |  Clear | 14°C / 57°F | -1°C / 30°F | 36% | 1022 mb (30.18 in) | Calm | - | 7SM |
| | KGRK 252355Z 00000KT 7SM CLR 14/M01 A3017 RMK SLP223 53002 |
| 16:55 CST |  Clear | 17°C / 63°F | -3°C / 27°F | 25% | 1022 mb (30.18 in) | N 4 kph (N 2.3 mph) | - | 7SM |
| | KGRK 252255Z 36002KT 7SM CLR 17/M03 A3017 RMK SLP218 |
| 15:55 CST |  Clear | 18°C / 64°F | -3°C / 27°F | 24% | 1022 mb (30.18 in) | NW 13 kph (NW 8.1 mph) | - | 7SM |
| | KGRK 252155Z 32007KT 7SM CLR 18/M03 A3017 RMK SLP218 |
| 14:55 CST |  Clear | 19°C / 66°F | -4°C / 25°F | 21% | 1022 mb (30.18 in) | NNW 15 kph (NNW 9.2 mph) | - | 7SM |
| | KGRK 252055Z 34008KT 7SM CLR 19/M04 A3017 RMK SLP218 56027 |
| 13:55 CST |  Clear | 19°C / 66°F | -4°C / 25°F | 21% | 1022 mb (30.18 in) | NNW 13 kph (NNW 8.1 mph) | - | 7SM |
| | KGRK 251955Z 33007KT 7SM CLR 19/M04 A3018 RMK SLP222 |
| 12:55 CST |  Clear | 19°C / 66°F | -5°C / 23°F | 19% | 1023 mb (30.21 in) | Variable 11 kph (Variable 6.9 mph) | - | 7SM |
| | KGRK 251855Z VRB06KT 7SM CLR 19/M05 A3021 RMK SLP233 |
| 11:55 CST |  Clear | 17°C / 63°F | -2°C / 28°F | 27% | 1024 mb (30.24 in) | Variable 7 kph (Variable 4.6 mph) | - | 7SM |
| | KGRK 251755Z VRB04KT 7SM CLR 17/M02 A3025 RMK SLP246 58002 |
| 10:55 CST |  Clear | 17°C / 63°F | -2°C / 28°F | 27% | 1025 mb (30.27 in) | Variable 11 kph (Variable 6.9 mph) | - | 7SM |
| | KGRK 251655Z VRB06KT 7SM CLR 17/M02 A3027 RMK SLP253 |
| 09:55 CST |  Clear | 15°C / 59°F | -1°C / 30°F | 34% | 1025 mb (30.27 in) | NNW 11 kph (NNW 6.9 mph) | - | 7SM |
| | KGRK 251555Z 33006KT 7SM CLR 15/M01 A3027 RMK SLP255 |
| 08:55 CST |  Clear | 11°C / 52°F | 0°C / 32°F | 47% | 1025 mb (30.27 in) | NW 9 kph (NW 5.8 mph) | - | 7SM |
| | KGRK 251455Z 30005KT 7SM CLR 11/00 A3026 RMK SLP252 52017 |
| 07:55 CST |  Clear | 6°C / 43°F | 1°C / 34°F | 71% | 1024 mb (30.24 in) | Variable 6 kph (Variable 3.5 mph) | - | 7SM |
| | KGRK 251355Z VRB03KT 7SM CLR 06/01 A3024 RMK SLP250 |
| 06:55 CST |  Clear | 5°C / 41°F | -1°C / 30°F | 66% | 1023 mb (30.21 in) | Variable 2 kph (Variable 1.2 mph) | - | 7SM |
| | KGRK 251255Z VRB01KT 7SM CLR 05/M01 A3022 RMK SLP243 |
| 05:55 CST |  Clear | 7°C / 45°F | -1°C / 30°F | 57% | 1023 mb (30.21 in) | NW 7 kph (NW 4.6 mph) | - | 7SM |
| | KGRK 251155Z 32004KT 7SM CLR 07/M01 A3020 RMK SLP235 53003 |
| 04:55 CST |  Clear | 7°C / 45°F | -1°C / 30°F | 57% | 1022 mb (30.18 in) | NNW 13 kph (NNW 8.1 mph) | - | 7SM |
| | KGRK 251055Z 33007KT 7SM CLR 07/M01 A3019 RMK SLP227 |
| 03:55 CST |  Clear | 6°C / 43°F | -1°C / 30°F | 61% | 1022 mb (30.18 in) | NNW 11 kph (NNW 6.9 mph) | - | 7SM |
| | KGRK 250955Z 34006KT 7SM CLR 06/M01 A3019 RMK SLP228 |
| 02:55 CST |  Clear | 6°C / 43°F | -1°C / 30°F | 61% | 1022 mb (30.18 in) | NNW 15 kph (NNW 9.2 mph) | - | 7SM |
| | KGRK 250855Z 33008KT 7SM CLR 06/M01 A3019 RMK SLP228 56017 |
| 01:55 CST |  Clear | 6°C / 43°F | -1°C / 30°F | 61% | 1023 mb (30.21 in) | NNW 15 kph (NNW 9.2 mph) | - | 7SM |
| | KGRK 250755Z 33008KT 7SM CLR 06/M01 A3020 RMK SLP232 |
| 00:55 CST |  Clear | 7°C / 45°F | 0°C / 32°F | 61% | 1024 mb (30.24 in) | NW 9 kph (NW 5.8 mph) | - | 7SM |
| | KGRK 250655Z 31005KT 7SM CLR 07/00 A3023 RMK SLP241 |