| 19:39 CST |  Mostly Cloudy | -16°C / 3°F | -17°C / 1°F | 92% | 1024 mb (30.24 in) | N 7 kph (N 4.6 mph) | - | 7SM |
| | KATY 080139Z AUTO 36004KT 7SM FEW002 BKN080 BKN100 M16/M17 A3025 RMK AO2 |
| 18:53 CST |  Partly Cloudy | -15°C / 5°F | -17°C / 1°F | 85% | 1024 mb (30.24 in) | NE 7 kph (NE 4.6 mph) | - | 10SM |
| | KATY 080053Z AUTO 04004KT 10SM FEW110 M15/M17 A3025 RMK AO2 SLP284 T11501167 |
| 18:06 CST |  Partly Cloudy | -14°C / 7°F | -16°C / 3°F | 85% | 1024 mb (30.24 in) | NE 11 kph (NE 6.9 mph) | - | 10SM |
| | KATY 080006Z AUTO 04006KT 10SM FEW013 M14/M16 A3025 RMK AO2 |
| 17:53 CST |  Mostly Cloudy | -14°C / 7°F | -16°C / 3°F | 85% | 1025 mb (30.27 in) | NE 11 kph (NE 6.9 mph) | 0.00 mm (0.00 in) | 10SM |
| | KATY 072353Z AUTO 04006KT 10SM FEW005 BKN015 BKN022 M14/M16 A3026 RMK AO2 SNE43 SLP285 P0000 60000 T11391156 11089 21139 50005 |
| 17:49 CST |  Mostly Cloudy | -13°C / 9°F | -15°C / 5°F | 85% | 1025 mb (30.27 in) | NE 11 kph (NE 6.9 mph) | 0.00 mm (0.00 in) | 9SM |
| | KATY 072349Z AUTO 04006KT 9SM FEW005 BKN015 BKN022 M13/M15 A3026 RMK AO2 SNE43 P0000 |
| 17:39 CST |  Overcast Light Snow | -13°C / 9°F | -14°C / 7°F | 92% | 1025 mb (30.27 in) | NE 13 kph (NE 8.1 mph) | 0.00 mm (0.00 in) | 4SM |
| | KATY 072339Z AUTO 04007KT 4SM -SN BR BKN015 OVC023 M13/M14 A3026 RMK AO2 P0000 |
| 17:27 CST |  Overcast Light Snow | -12°C / 10°F | -14°C / 7°F | 85% | 1025 mb (30.27 in) | NE 13 kph (NE 8.1 mph) | 0.00 mm (0.00 in) | 2SM |
| | KATY 072327Z AUTO 04007KT 2SM -SN BR BKN017 OVC023 M12/M14 A3026 RMK AO2 P0000 |
| 16:57 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1025 mb (30.27 in) | NE 9 kph (NE 5.8 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KATY 072257Z AUTO 05005KT 1 1/4SM -SN BR SCT010 BKN019 OVC024 M11/M13 A3026 RMK AO2 P0000 |
| 16:53 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1024 mb (30.24 in) | NE 11 kph (NE 6.9 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KATY 072253Z AUTO 04006KT 1 3/4SM -SN BR BKN010 BKN019 OVC024 M11/M13 A3025 RMK AO2 SNB11 SLP281 P0000 T11111128 |
| 16:49 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1025 mb (30.27 in) | NE 13 kph (NE 8.1 mph) | 0.00 mm (0.00 in) | 2SM |
| | KATY 072249Z AUTO 03007KT 2SM -SN BR BKN008 BKN017 OVC024 M11/M13 A3026 RMK AO2 SNB11 P0000 |
| 16:45 CST |  Overcast Light Snow | -11°C / 12°F | -12°C / 10°F | 92% | 1025 mb (30.27 in) | NE 11 kph (NE 6.9 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KATY 072245Z AUTO 03006KT 1 1/2SM -SN BR SCT008 BKN013 OVC024 M11/M12 A3026 RMK AO2 SNB11 P0000 |
| 16:23 CST |  Overcast Snow | -10°C / 14°F | -12°C / 10°F | 85% | 1024 mb (30.24 in) | NE 9 kph (NE 5.8 mph) | 0.00 mm (0.00 in) | 1/2SM |
| | KATY 072223Z AUTO 04005KT 1/2SM SN FZFG FEW008 BKN013 OVC021 M10/M12 A3025 RMK AO2 SNB11 P0000 |
| 16:17 CST |  Overcast Light Snow | -10°C / 14°F | -12°C / 10°F | 85% | 1024 mb (30.24 in) | NE 9 kph (NE 5.8 mph) | 0.00 mm (0.00 in) | 1SM |
| | KATY 072217Z AUTO 03005KT 1SM -SN BR BKN013 BKN018 OVC029 M10/M12 A3025 RMK AO2 SNB11 P0000 |
| 16:13 CST |  Overcast Light Snow | -10°C / 14°F | -12°C / 10°F | 85% | 1024 mb (30.24 in) | NE 9 kph (NE 5.8 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KATY 072213Z AUTO 03005KT 1 3/4SM -SN BR SCT013 BKN018 OVC028 M10/M12 A3025 RMK AO2 SNB11 P0000 |
| 15:53 CST |  Overcast | -11°C / 12°F | -14°C / 7°F | 79% | 1024 mb (30.24 in) | N 9 kph (N 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KATY 072153Z AUTO 36005KT 10SM FEW020 BKN028 OVC034 M11/M14 A3024 RMK AO2 SNE2057 SLP277 P0000 T11111139 |
| 15:17 CST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1024 mb (30.24 in) | N 9 kph (N 5.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KATY 072117Z AUTO 36005KT 10SM FEW021 OVC032 M11/M13 A3024 RMK AO2 SNE2057 P0000 |
| 15:01 CST |  Overcast Hazy | -10°C / 14°F | -13°C / 9°F | 79% | 1024 mb (30.24 in) | N 9 kph (N 5.8 mph) | 0.00 mm (0.00 in) | 6SM |
| | KATY 072101Z AUTO 36005KT 6SM HZ SCT017 BKN025 OVC034 M10/M13 A3024 RMK AO2 SNE2057 P0000 |
| 14:53 CST |  Overcast Light Snow | -9°C / 16°F | -13°C / 9°F | 73% | 1024 mb (30.24 in) | NNE 11 kph (NNE 6.9 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KATY 072053Z AUTO 02006KT 2 1/2SM -SN BKN017 BKN023 OVC028 M09/M13 A3023 RMK AO2 SNB04 SLP274 P0000 60000 T10941128 55006 |
| 14:32 CST |  Overcast Light Snow | -9°C / 16°F | -13°C / 9°F | 73% | 1024 mb (30.24 in) | N 11 kph (N 6.9 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KATY 072032Z AUTO 35006KT 1 3/4SM -SN SCT017 OVC023 M09/M13 A3023 RMK AO2 SNB04 P0000 |
| 14:20 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1024 mb (30.24 in) | N 15 kph (N 9.2 mph) | 0.00 mm (0.00 in) | 4SM |
| | KATY 072020Z AUTO 36008KT 4SM -SN FEW016 BKN025 OVC032 M11/M13 A3023 RMK AO2 SNB04 P0000 |
| 14:10 CST |  Overcast Light Snow | -9°C / 16°F | -13°C / 9°F | 73% | 1024 mb (30.24 in) | N 15 kph (N 9.2 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KATY 072010Z AUTO 01008KT 1 3/4SM -SN FEW013 BKN025 OVC032 M09/M13 A3023 RMK AO2 VIS 1V4 SNB04 P0000 |
| 13:53 CST |  Overcast Hazy | -9°C / 16°F | -13°C / 9°F | 73% | 1024 mb (30.24 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 5SM |
| | KATY 071953Z AUTO 35007KT 5SM HZ FEW020 OVC030 M09/M13 A3023 RMK AO2 SNE08 SLP273 P0000 T10941128 |
| 13:48 CST |  Overcast | -9°C / 16°F | -13°C / 9°F | 73% | 1024 mb (30.24 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 7SM |
| | KATY 071948Z AUTO 36007KT 7SM FEW020 OVC030 M09/M13 A3024 RMK AO2 SNE08 P0000 |
| 12:53 CST |  Overcast Light Snow | -9°C / 16°F | -13°C / 9°F | 73% | 1024 mb (30.24 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 3SM |
| | KATY 071853Z AUTO 01007KT 3SM -SN FEW016 OVC028 M09/M13 A3025 RMK AO2 SNB34 SLP280 P0000 T10941128 |
| 12:44 CST |  Overcast Light Snow | -9°C / 16°F | -13°C / 9°F | 73% | 1025 mb (30.27 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KATY 071844Z AUTO 36007KT 2 1/2SM -SN SCT016 OVC028 M09/M13 A3026 RMK AO2 SNB34 P0000 |
| 12:32 CST |  Overcast Hazy | -9°C / 16°F | -13°C / 9°F | 73% | 1025 mb (30.27 in) | N 11 kph (N 6.9 mph) | - | 5SM |
| | KATY 071832Z AUTO 35006KT 5SM HZ BKN016 OVC030 M09/M13 A3026 RMK AO2 |
| 11:53 CST |  Overcast Hazy | -10°C / 14°F | -13°C / 9°F | 79% | 1025 mb (30.27 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 5SM |
| | KATY 071753Z AUTO 36007KT 5SM HZ FEW014 OVC030 M10/M13 A3026 RMK AO2 SNB02E35 SLP285 P0000 60000 T11001128 11094 21111 58004 |
| 10:53 CST |  Overcast | -10°C / 14°F | -13°C / 9°F | 79% | 1025 mb (30.27 in) | N 11 kph (N 6.9 mph) | 0.00 mm (0.00 in) | 7SM |
| | KATY 071653Z AUTO 36006KT 7SM FEW013 OVC030 M10/M13 A3028 RMK AO2 SNE43 SLP291 P0000 T11001128 |
| 10:44 CST |  Overcast Hazy | -10°C / 14°F | -13°C / 9°F | 79% | 1025 mb (30.27 in) | N 15 kph (N 9.2 mph) | 0.00 mm (0.00 in) | 5SM |
| | KATY 071644Z AUTO 35008KT 5SM HZ FEW013 OVC030 M10/M13 A3028 RMK AO2 SNE43 P0000 |
| 10:36 CST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1025 mb (30.27 in) | N 15 kph (N 9.2 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KATY 071636Z AUTO 36008KT 2 1/2SM -SN FEW013 OVC030 M10/M13 A3028 RMK AO2 P0000 |
| 10:29 CST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1026 mb (30.3 in) | N 11 kph (N 6.9 mph) | 0.00 mm (0.00 in) | 3SM |
| | KATY 071629Z AUTO 36006KT 3SM -SN FEW013 OVC030 M10/M13 A3029 RMK AO2 P0000 |
| 10:10 CST |  Overcast Light Snow | -10°C / 14°F | -13°C / 9°F | 79% | 1025 mb (30.27 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 3SM |
| | KATY 071610Z AUTO 01007KT 3SM -SN OVC028 M10/M13 A3028 RMK AO2 P0000 |
| 09:53 CST |  Overcast Light Snow | -11°C / 12°F | -12°C / 10°F | 92% | 1025 mb (30.27 in) | N 11 kph (N 6.9 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KATY 071553Z AUTO 36006KT 1 1/2SM -SN BR OVC028 M11/M12 A3028 RMK AO2 SLP292 P0000 T11061122 |
| 09:31 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1025 mb (30.27 in) | N 11 kph (N 6.9 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KATY 071531Z AUTO 35006KT 1 1/4SM -SN BR OVC026 M11/M13 A3028 RMK AO2 P0000 |
| 09:11 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1025 mb (30.27 in) | NNW 13 kph (NNW 8.1 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KATY 071511Z AUTO 33007KT 1 3/4SM -SN BR OVC022 M11/M13 A3028 RMK AO2 P0000 |
| 08:53 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1025 mb (30.27 in) | NNW 11 kph (NNW 6.9 mph) | 0.00 mm (0.00 in) | 4SM |
| | KATY 071453Z AUTO 34006KT 4SM -SN BR OVC022 M11/M13 A3028 RMK AO2 SNE09B27 SLP290 P0000 60000 T11061128 53015 |
| 07:53 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1024 mb (30.24 in) | N 15 kph (N 9.2 mph) | 0.00 mm (0.00 in) | 8SM |
| | KATY 071353Z AUTO 35008KT 8SM -SN OVC020 M11/M13 A3025 RMK AO2 SLP281 P0000 T11111128 |
| 06:53 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1024 mb (30.24 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 5SM |
| | KATY 071253Z AUTO 35007KT 5SM -SN BR OVC020 M11/M13 A3023 RMK AO2 SLP275 P0000 T11111128 |
| 05:53 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1024 mb (30.24 in) | N 9 kph (N 5.8 mph) | 0.00 mm (0.00 in) | 6SM |
| | KATY 071153Z AUTO 35005KT 6SM -SN BR OVC018 M11/M13 A3023 RMK AO2 SNB28 SLP274 P0000 60000 T11111128 11106 21111 58002 |
| 04:53 CST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1024 mb (30.24 in) | N 11 kph (N 6.9 mph) | 0.00 mm (0.00 in) | 8SM |
| | KATY 071053Z AUTO 01006KT 8SM OVC018 M11/M13 A3023 RMK AO2 SNE26 SLP276 P0000 T11061128 |
| 03:53 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1024 mb (30.24 in) | NNE 19 kph (NNE 11.5 mph) | 0.00 mm (0.00 in) | 4SM |
| | KATY 070953Z AUTO 02010KT 4SM -SN BR OVC016 M11/M13 A3023 RMK AO2 SLP275 P0000 T11061128 |
| 03:00 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1024 mb (30.24 in) | NNE 13 kph (NNE 8.1 mph) | 0.00 mm (0.00 in) | 3SM |
| | KATY 070900Z AUTO 02007KT 3SM -SN BR OVC016 M11/M13 A3024 RMK AO2 P0000 |
| 02:53 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1024 mb (30.24 in) | NE 13 kph (NE 8.1 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KATY 070853Z AUTO 03007KT 2 1/2SM -SN BR OVC016 M11/M13 A3024 RMK AO2 SLP275 P0000 60000 T11061128 55002 |
| 01:53 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1024 mb (30.24 in) | NE 15 kph (NE 9.2 mph) | 0.00 mm (0.00 in) | 6SM |
| | KATY 070753Z AUTO 03008KT 6SM -SN BR OVC014 M11/M13 A3023 RMK AO2 SNB08 SLP275 P0000 T11111133 |
| 00:53 CST |  Overcast | -11°C / 12°F | -13°C / 9°F | 85% | 1024 mb (30.24 in) | N 19 kph (N 11.5 mph) | 0.00 mm (0.00 in) | 9SM |
| | KATY 070653Z AUTO 01010KT 9SM OVC012 M11/M13 A3023 RMK AO2 SNB34E45 SLP275 P0000 T11111133 |