| 18:55 CST |  Partly Cloudy | -14°C / 7°F | -20°C / -4°F | 61% | 1013 mb (29.91 in) | S 17 kph (S 10.4 mph) | - | 10SM |
| | KGPZ 120055Z AUTO 18009KT 10SM SCT090 M14/M20 A2992 RMK AO1 |
| 18:35 CST |  Clear | -14°C / 7°F | -20°C / -4°F | 61% | 1013 mb (29.91 in) | S 19 kph (S 11.5 mph) | - | 10SM |
| | KGPZ 120035Z AUTO 17010KT 10SM CLR M14/M20 A2992 RMK AO1 |
| 18:15 CST |  Clear | -14°C / 7°F | -20°C / -4°F | 61% | 1013 mb (29.91 in) | S 17 kph (S 10.4 mph) | - | 10SM |
| | KGPZ 120015Z AUTO 17009KT 10SM CLR M14/M20 A2991 RMK AO1 |
| 17:55 CST |  Clear | -14°C / 7°F | -20°C / -4°F | 61% | 1013 mb (29.91 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KGPZ 112355Z AUTO 16008KT 10SM CLR M14/M20 A2992 RMK AO1 11120 21160 411201230 57014 |
| 17:35 CST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1014 mb (29.94 in) | S 15 kph (S 9.2 mph) | - | 10SM |
| | KGPZ 112335Z AUTO 17008KT 10SM CLR M14/M21 A2993 RMK AO1 |
| 17:15 CST |  Clear | -14°C / 7°F | -20°C / -4°F | 61% | 1014 mb (29.94 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KGPZ 112315Z AUTO 18006KT 10SM CLR M14/M20 A2993 RMK AO1 |
| 16:55 CST |  Clear | -13°C / 9°F | -20°C / -4°F | 56% | 1014 mb (29.94 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KGPZ 112255Z AUTO 17007KT 10SM CLR M13/M20 A2993 RMK AO1 |
| 16:35 CST |  Clear | -13°C / 9°F | -20°C / -4°F | 56% | 1014 mb (29.94 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KGPZ 112235Z AUTO 18007KT 10SM CLR M13/M20 A2994 RMK AO1 |
| 16:15 CST |  Clear | -13°C / 9°F | -21°C / -6°F | 51% | 1014 mb (29.94 in) | S 13 kph (S 8.1 mph) | - | 10SM |
| | KGPZ 112215Z AUTO 17007KT 10SM CLR M13/M21 A2994 RMK AO1 |
| 15:55 CST |  Partly Cloudy | -12°C / 10°F | -19°C / -2°F | 56% | 1014 mb (29.94 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KGPZ 112155Z AUTO 20005KT 10SM FEW100 M12/M19 A2995 RMK AO1 |
| 15:35 CST |  Partly Cloudy | -13°C / 9°F | -19°C / -2°F | 61% | 1015 mb (29.97 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KGPZ 112135Z AUTO 21005KT 10SM SCT100 M13/M19 A2996 RMK AO1 |
| 15:15 CST |  Clear | -13°C / 9°F | -20°C / -4°F | 56% | 1015 mb (29.97 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KGPZ 112115Z AUTO 20006KT 10SM CLR M13/M20 A2996 RMK AO1 |
| 14:55 CST |  Clear | -13°C / 9°F | -20°C / -4°F | 56% | 1015 mb (29.97 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KGPZ 112055Z AUTO 20006KT 10SM CLR M13/M20 A2996 RMK AO1 54000 |
| 14:35 CST |  Clear | -13°C / 9°F | -20°C / -4°F | 56% | 1015 mb (29.97 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KGPZ 112035Z AUTO 21007KT 10SM CLR M13/M20 A2996 RMK AO1 |
| 14:15 CST |  Clear | -13°C / 9°F | -20°C / -4°F | 56% | 1015 mb (29.97 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KGPZ 112015Z AUTO 25007KT 10SM CLR M13/M20 A2996 RMK AO1 |
| 13:55 CST |  Clear | -13°C / 9°F | -20°C / -4°F | 56% | 1015 mb (29.97 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KGPZ 111955Z AUTO 24007G14KT 10SM CLR M13/M20 A2996 RMK AO1 |
| 13:35 CST |  Clear | -13°C / 9°F | -20°C / -4°F | 56% | 1015 mb (29.97 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KGPZ 111935Z AUTO 24007KT 10SM CLR M13/M20 A2996 RMK AO1 |
| 13:15 CST |  Clear | -14°C / 7°F | -21°C / -6°F | 56% | 1015 mb (29.97 in) | SW 9 kph (SW 5.8 mph) | - | 10SM |
| | KGPZ 111915Z AUTO 22005KT 10SM CLR M14/M21 A2996 RMK AO1 |
| 12:55 CST |  Clear | -14°C / 7°F | -20°C / -4°F | 61% | 1015 mb (29.97 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KGPZ 111855Z AUTO 24010G14KT 220V300 10SM CLR M14/M20 A2996 RMK AO1 |
| 12:35 CST |  Clear | -15°C / 5°F | -20°C / -4°F | 66% | 1015 mb (29.97 in) | SW 19 kph (SW 11.5 mph) | - | 10SM |
| | KGPZ 111835Z AUTO 23010KT 10SM CLR M15/M20 A2996 RMK AO1 |
| 12:15 CST |  Clear | -16°C / 3°F | -21°C / -6°F | 66% | 1015 mb (29.97 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KGPZ 111815Z AUTO 25007KT 10SM CLR M16/M21 A2996 RMK AO1 |
| 11:55 CST |  Clear | -16°C / 3°F | -21°C / -6°F | 66% | 1015 mb (29.97 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KGPZ 111755Z AUTO 24005KT 10SM CLR M16/M21 A2996 RMK AO1 11160 21230 52003 |
| 11:35 CST |  Clear | -17°C / 1°F | -22°C / -8°F | 65% | 1015 mb (29.97 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KGPZ 111735Z AUTO 23007KT 10SM CLR M17/M22 A2997 RMK AO1 |
| 11:15 CST |  Clear | -18°C / 0°F | -22°C / -8°F | 71% | 1015 mb (29.97 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KGPZ 111715Z AUTO 24005KT 10SM CLR M18/M22 A2997 RMK AO1 |
| 10:55 CST |  Clear | -18°C / 0°F | -22°C / -8°F | 71% | 1015 mb (29.97 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KGPZ 111655Z AUTO 26005KT 10SM CLR M18/M22 A2997 RMK AO1 |
| 10:35 CST |  Clear | -18°C / 0°F | -23°C / -9°F | 65% | 1015 mb (29.97 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KGPZ 111635Z AUTO 25009KT 210V270 10SM CLR M18/M23 A2998 RMK AO1 |
| 10:15 CST |  Clear | -18°C / 0°F | -22°C / -8°F | 71% | 1015 mb (29.97 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KGPZ 111615Z AUTO 26007KT 10SM CLR M18/M22 A2998 RMK AO1 |
| 09:55 CST |  Clear | -19°C / -2°F | -22°C / -8°F | 77% | 1015 mb (29.97 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KGPZ 111555Z AUTO 24010KT 10SM CLR M19/M22 A2996 RMK AO1 |
| 09:35 CST |  Clear | -19°C / -2°F | -22°C / -8°F | 77% | 1015 mb (29.97 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KGPZ 111535Z AUTO 23006KT 10SM CLR M19/M22 A2996 RMK AO1 |
| 09:15 CST |  Clear | -21°C / -6°F | -24°C / -11°F | 77% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KGPZ 111515Z AUTO 00000KT 10SM CLR M21/M24 A2995 RMK AO1 |
| 08:55 CST |  Clear | -23°C / -9°F | -26°C / -15°F | 77% | 1014 mb (29.94 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KGPZ 111455Z AUTO 18003KT 10SM CLR M23/M26 A2995 RMK AO1 52014 |
| 08:35 CST |  Clear | -23°C / -9°F | -27°C / -17°F | 70% | 1014 mb (29.94 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KGPZ 111435Z AUTO 18005KT 10SM CLR M23/M27 A2994 RMK AO1 |
| 08:15 CST |  Clear | -23°C / -9°F | -27°C / -17°F | 70% | 1014 mb (29.94 in) | S 7 kph (S 4.6 mph) | - | 8SM |
| | KGPZ 111415Z AUTO 17004KT 8SM CLR M23/M27 A2993 RMK AO1 |
| 07:55 CST |  Clear | -23°C / -9°F | -26°C / -15°F | 77% | 1014 mb (29.94 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KGPZ 111355Z AUTO 18003KT 10SM CLR M23/M26 A2993 RMK AO1 |
| 07:35 CST |  Clear | -23°C / -9°F | -27°C / -17°F | 70% | 1014 mb (29.94 in) | S 6 kph (S 3.5 mph) | - | 10SM |
| | KGPZ 111335Z AUTO 17003KT 10SM CLR M23/M27 A2993 RMK AO1 |
| 07:15 CST |  Clear | -23°C / -9°F | -26°C / -15°F | 77% | 1013 mb (29.91 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KGPZ 111315Z AUTO 19004KT 10SM CLR M23/M26 A2992 RMK AO1 |
| 06:55 CST |  Clear | -23°C / -9°F | -27°C / -17°F | 70% | 1013 mb (29.91 in) | S 7 kph (S 4.6 mph) | - | 10SM |
| | KGPZ 111255Z AUTO 19004KT 10SM CLR M23/M27 A2992 RMK AO1 |
| 06:35 CST |  Clear | -23°C / -9°F | -27°C / -17°F | 70% | 1013 mb (29.91 in) | S 9 kph (S 5.8 mph) | - | 10SM |
| | KGPZ 111235Z AUTO 18005KT 10SM CLR M23/M27 A2992 RMK AO1 |
| 06:15 CST |  Clear | -23°C / -9°F | -26°C / -15°F | 77% | 1013 mb (29.91 in) | S 11 kph (S 6.9 mph) | - | 10SM |
| | KGPZ 111215Z AUTO 17006KT 10SM CLR M23/M26 A2991 RMK AO1 |
| 05:55 CST |  Clear | -22°C / -8°F | -26°C / -15°F | 70% | 1013 mb (29.91 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KGPZ 111155Z AUTO 20003KT 10SM CLR M22/M26 A2991 RMK AO1 11210 21220 52010 |
| 05:35 CST |  Clear | -22°C / -8°F | -26°C / -15°F | 70% | 1013 mb (29.91 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KGPZ 111135Z AUTO 25004KT 10SM CLR M22/M26 A2990 RMK AO1 |
| 05:15 CST |  Clear | -22°C / -8°F | -26°C / -15°F | 70% | 1013 mb (29.91 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KGPZ 111115Z AUTO 24005KT 10SM CLR M22/M26 A2990 RMK AO1 |
| 04:55 CST |  Clear | -22°C / -8°F | -25°C / -13°F | 77% | 1012 mb (29.88 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KGPZ 111055Z AUTO 24007KT 10SM CLR M22/M25 A2989 RMK AO1 |
| 04:35 CST |  Clear | -21°C / -6°F | -25°C / -13°F | 70% | 1012 mb (29.88 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KGPZ 111035Z AUTO 28006KT 10SM CLR M21/M25 A2989 RMK AO1 |
| 04:15 CST |  Clear | -21°C / -6°F | -25°C / -13°F | 70% | 1012 mb (29.88 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KGPZ 111015Z AUTO 26004KT 10SM CLR M21/M25 A2989 RMK AO1 |
| 03:55 CST |  Partly Cloudy | -21°C / -6°F | -25°C / -13°F | 70% | 1012 mb (29.88 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KGPZ 110955Z AUTO 26005KT 10SM FEW012 M21/M25 A2989 RMK AO1 |
| 03:35 CST |  Partly Cloudy | -21°C / -6°F | -25°C / -13°F | 70% | 1012 mb (29.88 in) | SSW 7 kph (SSW 4.6 mph) | - | 10SM |
| | KGPZ 110935Z AUTO 24004KT 10SM FEW012 M21/M25 A2989 RMK AO1 |
| 03:15 CST |  Partly Cloudy | -21°C / -6°F | -24°C / -11°F | 77% | 1012 mb (29.88 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KGPZ 110915Z AUTO 27003KT 10SM SCT012 M21/M24 A2988 RMK AO1 |
| 02:55 CST |  Mostly Cloudy | -21°C / -6°F | -25°C / -13°F | 70% | 1012 mb (29.88 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KGPZ 110855Z AUTO 28006KT 10SM BKN012 M21/M25 A2988 RMK AO1 52010 |
| 02:35 CST |  Clear | -21°C / -6°F | -25°C / -13°F | 70% | 1012 mb (29.88 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KGPZ 110835Z AUTO 28006KT 10SM CLR M21/M25 A2987 RMK AO1 |
| 02:15 CST |  Clear | -21°C / -6°F | -25°C / -13°F | 70% | 1012 mb (29.88 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KGPZ 110815Z AUTO 28008KT 10SM CLR M21/M25 A2987 RMK AO1 |
| 01:55 CST |  Clear | -21°C / -6°F | -25°C / -13°F | 70% | 1011 mb (29.85 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KGPZ 110755Z AUTO 26007G14KT 10SM CLR M21/M25 A2986 RMK AO1 |
| 01:35 CST |  Clear | -21°C / -6°F | -25°C / -13°F | 70% | 1011 mb (29.85 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KGPZ 110735Z AUTO 28008KT 10SM CLR M21/M25 A2986 RMK AO1 |
| 01:15 CST |  Clear | -21°C / -6°F | -25°C / -13°F | 70% | 1011 mb (29.85 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KGPZ 110715Z AUTO 28008KT 10SM CLR M21/M25 A2985 RMK AO1 |
| 00:55 CST |  Clear | -21°C / -6°F | -26°C / -15°F | 64% | 1011 mb (29.85 in) | WNW 11 kph (WNW 6.9 mph) | - | 10SM |
| | KGPZ 110655Z AUTO 29006KT 10SM CLR M21/M26 A2985 RMK AO1 |
| 00:35 CST |  Clear | -21°C / -6°F | -25°C / -13°F | 70% | 1011 mb (29.85 in) | WNW 13 kph (WNW 8.1 mph) | - | 10SM |
| | KGPZ 110635Z AUTO 29007KT 10SM CLR M21/M25 A2985 RMK AO1 |
| 00:15 CST |  Clear | -21°C / -6°F | -25°C / -13°F | 70% | 1011 mb (29.85 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KGPZ 110615Z AUTO 28009G14KT 10SM CLR M21/M25 A2985 RMK AO1 |