| 19:53 CST |  Partly Cloudy | -11°C / 12°F | -14°C / 7°F | 79% | 1023 mb (30.21 in) | ENE 6 kph (ENE 3.5 mph) | - | 10SM |
| | KGRI 080153Z AUTO 06003KT 10SM FEW017 SCT100 M11/M14 A3021 RMK AO2 SLP274 T11111139 |
| 18:53 CST |  Mostly Cloudy | -11°C / 12°F | -14°C / 7°F | 79% | 1023 mb (30.21 in) | NE 6 kph (NE 3.5 mph) | - | 10SM |
| | KGRI 080053Z 05003KT 10SM BKN065 M11/M14 A3021 RMK AO2 SLP274 T11061139 |
| 17:53 CST |  Clear | -11°C / 12°F | -14°C / 7°F | 79% | 1023 mb (30.21 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KGRI 072353Z 04005KT 10SM CLR M11/M14 A3022 RMK AO2 SLP278 T11061139 11094 21106 58004 |
| 16:53 CST |  Mostly Cloudy | -11°C / 12°F | -14°C / 7°F | 79% | 1024 mb (30.24 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KGRI 072253Z AUTO 05005KT 10SM FEW012 BKN019 M11/M14 A3024 RMK AO2 SLP282 T11061139 TSNO |
| 15:53 CST |  Mostly Cloudy | -10°C / 14°F | -14°C / 7°F | 73% | 1024 mb (30.24 in) | NE 9 kph (NE 5.8 mph) | - | 10SM |
| | KGRI 072153Z AUTO 04005KT 10SM BKN017 M10/M14 A3024 RMK AO2 SLP280 T11001139 TSNO |
| 15:25 CST |  Overcast | -9°C / 16°F | -14°C / 7°F | 67% | 1024 mb (30.24 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KGRI 072125Z 04006KT 10SM FEW014 SCT019 OVC070 M09/M14 A3024 RMK AO2 |
| 14:53 CST |  Mostly Cloudy | -9°C / 16°F | -14°C / 7°F | 67% | 1024 mb (30.24 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KGRI 072053Z 04006KT 10SM BKN017 M09/M14 A3024 RMK AO2 SLP280 T10941139 56017 |
| 13:53 CST |  Partly Cloudy | -10°C / 14°F | -14°C / 7°F | 73% | 1024 mb (30.24 in) | NNE 13 kph (NNE 8.1 mph) | - | 10SM |
| | KGRI 071953Z 02007KT 10SM SCT015 M10/M14 A3024 RMK AO2 SLP280 T11001144 |
| 12:53 CST |  Overcast | -9°C / 16°F | -14°C / 7°F | 67% | 1025 mb (30.27 in) | N 13 kph (N 8.1 mph) | - | 8SM |
| | KGRI 071853Z 36007KT 8SM FEW010 OVC090 M09/M14 A3026 RMK AO2 SLP287 T10941139 |
| 11:53 CST |  Overcast | -11°C / 12°F | -14°C / 7°F | 79% | 1026 mb (30.3 in) | N 17 kph (N 10.4 mph) | 0.00 mm (0.00 in) | 10SM |
| | KGRI 071753Z 36009KT 10SM FEW010 OVC090 M11/M14 A3029 RMK AO2 SNB32E43 SLP295 P0000 60000 T11061144 11106 21200 58004 |
| 10:53 CST |  Clear | -12°C / 10°F | -14°C / 7°F | 85% | 1027 mb (30.33 in) | N 19 kph (N 11.5 mph) | - | 9SM |
| | KGRI 071653Z 35010KT 9SM CLR M12/M14 A3033 RMK AO2 SLP309 T11171144 |
| 09:53 CST |  Partly Cloudy | -14°C / 7°F | -16°C / 3°F | 85% | 1026 mb (30.3 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KGRI 071553Z 35007KT 10SM SCT003 M14/M16 A3030 RMK AO2 SLP301 T11391161 |
| 08:53 CST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1026 mb (30.3 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KGRI 071453Z 32009KT 10SM CLR M16/M18 A3029 RMK AO2 SLP298 T11611183 51013 |
| 07:53 CST |  Clear | -19°C / -2°F | -22°C / -8°F | 77% | 1026 mb (30.3 in) | WNW 13 kph (WNW 8.1 mph) | - | 10SM |
| | KGRI 071353Z 29007KT 10SM CLR M19/M22 A3029 RMK AO2 SLP300 T11941217 |
| 06:53 CST |  Clear Fog And Mist | -19°C / -2°F | -22°C / -8°F | 77% | 1025 mb (30.27 in) | NW 15 kph (NW 9.2 mph) | - | 3SM |
| | KGRI 071253Z 30008KT 3SM BR CLR M19/M22 A3027 RMK AO2 SLP293 T11941217 |
| 05:53 CST |  Clear Fog And Mist | -18°C / 0°F | -21°C / -6°F | 78% | 1024 mb (30.24 in) | NW 11 kph (NW 6.9 mph) | - | 5SM |
| | KGRI 071153Z AUTO 30006KT 5SM BR CLR M18/M21 A3025 RMK AO2 SLP285 70008 T11831206 11122 21194 55003 |
| 04:53 CST |  Clear | -18°C / 0°F | -20°C / -4°F | 84% | 1024 mb (30.24 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KGRI 071053Z AUTO 35005KT 10SM CLR M18/M20 A3023 RMK AO2 SLP276 T11781200 |
| 03:53 CST |  Clear | -17°C / 1°F | -19°C / -2°F | 85% | 1025 mb (30.27 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KGRI 070953Z AUTO 32007KT 10SM CLR M17/M19 A3027 RMK AO2 SLP290 T11721194 |
| 02:53 CST |  Clear | -16°C / 3°F | -18°C / 0°F | 85% | 1025 mb (30.27 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KGRI 070853Z AUTO 32007KT 10SM CLR M16/M18 A3026 RMK AO2 SLP286 T11611183 53014 |
| 01:53 CST |  Clear | -14°C / 7°F | -16°C / 3°F | 85% | 1023 mb (30.21 in) | NNW 19 kph (NNW 11.5 mph) | - | 10SM |
| | KGRI 070753Z AUTO 33010KT 10SM CLR M14/M16 A3022 RMK AO2 SLP271 T11391161 |
| 01:17 CST |  Partly Cloudy | -14°C / 7°F | -16°C / 3°F | 85% | 1023 mb (30.21 in) | NNW 13 kph (NNW 8.1 mph) | - | 10SM |
| | KGRI 070717Z AUTO 33007KT 10SM SCT004 M14/M16 A3022 RMK AO2 |
| 00:53 CST |  Mostly Cloudy | -14°C / 7°F | -16°C / 3°F | 85% | 1023 mb (30.21 in) | N 15 kph (N 9.2 mph) | - | 10SM |
| | KGRI 070653Z AUTO 35008KT 10SM SCT021 SCT026 BKN043 M14/M16 A3022 RMK AO2 SLP267 T11391161 |
| 00:43 CST |  Overcast | -13°C / 9°F | -16°C / 3°F | 78% | 1023 mb (30.21 in) | N 17 kph (N 10.4 mph) | - | 10SM |
| | KGRI 070643Z AUTO 35009KT 10SM BKN021 BKN026 OVC043 M13/M16 A3022 RMK AO2 |