| 09:53 CST |  Overcast Light Snow | -14°C / 7°F | -17°C / 1°F | 78% | 1018 mb (30.06 in) | NE 26 kph (NE 16.1 mph) | 0.00 mm (0.00 in) | 3SM |
| | KATY 081553Z AUTO 05014KT 3SM -SN BR BKN037 OVC070 M14/M17 A3006 RMK AO2 SLP223 P0000 T11441167 |
| 09:50 CST |  Overcast Light Snow | -15°C / 5°F | -17°C / 1°F | 85% | 1018 mb (30.06 in) | NE 22 kph (NE 13.8 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KATY 081550Z AUTO 05012KT 2 1/2SM -SN BR BKN034 OVC070 M15/M17 A3006 RMK AO2 P0000 |
| 08:53 CST |  Overcast Light Snow | -16°C / 3°F | -17°C / 1°F | 92% | 1018 mb (30.06 in) | ENE 24 kph (ENE 15 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KATY 081453Z AUTO 06013G19KT 1 1/2SM -SN BR OVC023 M16/M17 A3007 RMK AO2 SNB39 SLP227 P0000 60000 T11561172 57016 |
| 08:50 CST |  Overcast Light Snow | -16°C / 3°F | -17°C / 1°F | 92% | 1018 mb (30.06 in) | ENE 22 kph (ENE 13.8 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KATY 081450Z AUTO 06012G19KT 1 3/4SM -SN BR OVC023 M16/M17 A3007 RMK AO2 SNB39 P0000 |
| 08:35 CST |  Overcast | -16°C / 3°F | -18°C / 0°F | 85% | 1018 mb (30.06 in) | ENE 26 kph (ENE 16.1 mph) | - | 8SM |
| | KATY 081435Z AUTO 06014KT 8SM OVC029 M16/M18 A3007 RMK AO2 |
| 07:53 CST |  Overcast | -16°C / 3°F | -19°C / -2°F | 78% | 1019 mb (30.09 in) | ENE 24 kph (ENE 15 mph) | 0.00 mm (0.00 in) | 7SM |
| | KATY 081353Z AUTO 06013KT 7SM BKN030 OVC037 M16/M19 A3009 RMK AO2 SNB13E43 SLP231 P0000 T11561189 |
| 06:53 CST |  Overcast | -16°C / 3°F | -19°C / -2°F | 78% | 1020 mb (30.12 in) | NE 19 kph (NE 11.5 mph) | - | 10SM |
| | KATY 081253Z AUTO 04010KT 10SM OVC031 M16/M19 A3011 RMK AO2 SLP240 T11611194 |
| 05:53 CST |  Overcast | -16°C / 3°F | -19°C / -2°F | 78% | 1020 mb (30.12 in) | NE 15 kph (NE 9.2 mph) | - | 10SM |
| | KATY 081153Z AUTO 05008KT 10SM FEW026 OVC031 M16/M19 A3012 RMK AO2 SLP244 60000 T11611194 11150 21167 56024 |
| 04:53 CST |  Overcast | -17°C / 1°F | -19°C / -2°F | 85% | 1021 mb (30.15 in) | NE 22 kph (NE 13.8 mph) | - | 10SM |
| | KATY 081053Z AUTO 04012KT 10SM OVC031 M17/M19 A3014 RMK AO2 SLP249 T11671194 |
| 03:53 CST |  Overcast Hazy | -16°C / 3°F | -19°C / -2°F | 78% | 1022 mb (30.18 in) | NE 13 kph (NE 8.1 mph) | 0.00 mm (0.00 in) | 6SM |
| | KATY 080953Z AUTO 04007KT 6SM HZ OVC031 M16/M19 A3017 RMK AO2 SNB0857E07 SLP259 P0000 T11611189 |
| 02:53 CST |  Overcast Fog And Mist | -16°C / 3°F | -18°C / 0°F | 85% | 1023 mb (30.21 in) | ENE 13 kph (ENE 8.1 mph) | - | 5SM |
| | KATY 080853Z AUTO 07007KT 5SM BR FEW019 OVC031 M16/M18 A3020 RMK AO2 SLP265 T11561178 58009 |
| 02:42 CST |  Overcast Fog And Mist | -16°C / 3°F | -18°C / 0°F | 85% | 1023 mb (30.21 in) | NE 19 kph (NE 11.5 mph) | - | 6SM |
| | KATY 080842Z AUTO 05010KT 6SM BR OVC031 M16/M18 A3020 RMK AO2 |
| 02:13 CST |  Mostly Cloudy | -16°C / 3°F | -18°C / 0°F | 85% | 1023 mb (30.21 in) | NE 15 kph (NE 9.2 mph) | - | 10SM |
| | KATY 080813Z AUTO 05008KT 10SM BKN029 M16/M18 A3020 RMK AO2 |
| 01:53 CST |  Mostly Cloudy | -16°C / 3°F | -18°C / 0°F | 85% | 1023 mb (30.21 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KATY 080753Z AUTO 04007KT 10SM FEW031 BKN110 M16/M18 A3021 RMK AO2 SLP269 T11611178 |
| 00:53 CST |  Overcast | -16°C / 3°F | -17°C / 1°F | 92% | 1024 mb (30.24 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KATY 080653Z AUTO 03006KT 10SM OVC085 M16/M17 A3023 RMK AO2 SLP275 T11561172 |