| 13:53 CST |  Overcast Light Snow | -13°C / 9°F | -15°C / 5°F | 85% | 1015 mb (29.97 in) | NW 26 kph (NW 16.1 mph) | 0.00 mm (0.00 in) | 4SM |
| | KATY 241953Z AUTO 32014KT 4SM -SN BR FEW007 OVC070 M13/M15 A2996 RMK AO2 SLP176 P0000 T11281150 |
| 13:40 CST |  Overcast Light Snow | -13°C / 9°F | -15°C / 5°F | 85% | 1014 mb (29.94 in) | NW 32 kph (NW 19.6 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KATY 241940Z AUTO 32017KT 2 1/2SM -SN BR SCT009 SCT014 OVC070 M13/M15 A2995 RMK AO2 P0000 |
| 13:20 CST |  Overcast Light Snow | -13°C / 9°F | -15°C / 5°F | 85% | 1014 mb (29.94 in) | NW 24 kph (NW 15 mph) | 0.00 mm (0.00 in) | 2SM |
| | KATY 241920Z AUTO 32013KT 2SM -SN BR BKN013 OVC023 M13/M15 A2995 RMK AO2 P0000 |
| 13:05 CST |  Overcast Light Snow | -13°C / 9°F | -15°C / 5°F | 85% | 1015 mb (29.97 in) | NW 28 kph (NW 17.3 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KATY 241905Z AUTO 32015KT 1 1/2SM -SN BR BKN015 OVC023 M13/M15 A2996 RMK AO2 P0000 |
| 12:53 CST |  Overcast Light Snow | -12°C / 10°F | -15°C / 5°F | 79% | 1015 mb (29.97 in) | NW 26 kph (NW 16.1 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KATY 241853Z AUTO 32014KT 2 1/2SM -SN BKN017 OVC038 M12/M15 A2997 RMK AO2 SNB41 SLP181 P0000 T11221150 |
| 12:05 CST |  Overcast | -12°C / 10°F | -14°C / 7°F | 85% | 1015 mb (29.97 in) | NW 32 kph (NW 19.6 mph) | - | 7SM |
| | KATY 241805Z AUTO 32017KT 7SM SCT008 BKN022 OVC047 M12/M14 A2997 RMK AO2 |
| 11:53 CST |  Overcast Fog And Mist | -12°C / 10°F | -14°C / 7°F | 85% | 1015 mb (29.97 in) | NW 26 kph (NW 16.1 mph) | - | 5SM |
| | KATY 241753Z AUTO 32014KT 5SM BR FEW008 BKN050 OVC095 M12/M14 A2997 RMK AO2 SLP182 60001 T11171139 11061 21117 58005 |
| 11:05 CST |  Overcast Fog And Mist | -12°C / 10°F | -14°C / 7°F | 85% | 1016 mb (30 in) | NW 24 kph (NW 15 mph) | - | 6SM |
| | KATY 241705Z AUTO 32013KT 6SM BR SCT016 BKN075 OVC100 M12/M14 A2999 RMK AO2 |
| 10:53 CST |  Overcast Fog And Mist | -12°C / 10°F | -14°C / 7°F | 85% | 1016 mb (30 in) | NW 26 kph (NW 16.1 mph) | 0.00 mm (0.00 in) | 5SM |
| | KATY 241653Z AUTO 32014KT 5SM BR FEW019 BKN026 OVC075 M12/M14 A2999 RMK AO2 SNE33 SLP186 P0000 T11171139 |
| 10:41 CST |  Overcast Fog And Mist | -11°C / 12°F | -13°C / 9°F | 85% | 1016 mb (30 in) | NW 26 kph (NW 16.1 mph) | 0.00 mm (0.00 in) | 3SM |
| | KATY 241641Z AUTO 32014KT 3SM BR FEW019 BKN026 OVC075 M11/M13 A3001 RMK AO2 SNE33 P0000 |
| 10:20 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1016 mb (30 in) | NW 26 kph (NW 16.1 mph) | 0.00 mm (0.00 in) | 2SM |
| | KATY 241620Z AUTO 32014KT 2SM -SN BR FEW025 SCT031 OVC040 M11/M13 A3000 RMK AO2 P0000 |
| 10:13 CST |  Overcast Light Snow | -11°C / 12°F | -13°C / 9°F | 85% | 1016 mb (30 in) | NW 20 kph (NW 12.7 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KATY 241613Z AUTO 32011KT 1 1/2SM -SN BR BKN027 BKN035 OVC043 M11/M13 A3000 RMK AO2 P0000 |
| 10:05 CST |  Overcast Light Snow | -11°C / 12°F | -12°C / 10°F | 92% | 1016 mb (30 in) | NW 24 kph (NW 15 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KATY 241605Z AUTO 32013KT 1 1/4SM -SN BR FEW025 BKN032 OVC046 M11/M12 A2999 RMK AO2 P0000 |
| 09:53 CST |  Overcast Light Snow | -11°C / 12°F | -12°C / 10°F | 92% | 1016 mb (30 in) | NW 22 kph (NW 13.8 mph) | 0.00 mm (0.00 in) | 1SM |
| | KATY 241553Z AUTO 32012KT 1SM -SN BR BKN021 OVC043 M11/M12 A2999 RMK AO2 SLP186 P0000 T11061122 |
| 09:38 CST |  Obscured Light Snow | -10°C / 14°F | -12°C / 10°F | 85% | 1015 mb (29.97 in) | NW 30 kph (NW 18.4 mph) | 0.00 mm (0.00 in) | 1SM |
| | KATY 241538Z AUTO 32016KT 1SM -SN BR VV015 M10/M12 A2998 RMK AO2 P0000 |
| 09:16 CST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1016 mb (30 in) | NW 22 kph (NW 13.8 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KATY 241516Z AUTO 31012KT 3/4SM -SN BR BKN010 OVC021 M09/M11 A2999 RMK AO2 P0000 |
| 09:09 CST |  Overcast Light Snow | -9°C / 16°F | -11°C / 12°F | 86% | 1016 mb (30 in) | NW 26 kph (NW 16.1 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | KATY 241509Z AUTO 32014KT 3/4SM -SN BR BKN008 BKN012 OVC021 M09/M11 A2999 RMK AO2 P0000 |
| 08:53 CST |  Overcast Light Snow | -8°C / 18°F | -10°C / 14°F | 86% | 1016 mb (30 in) | NW 20 kph (NW 12.7 mph) | 0.00 mm (0.00 in) | 1SM |
| | KATY 241453Z AUTO 31011KT 1SM -SN BR OVC008 M08/M10 A2999 RMK AO2 SNB36 SLP185 P0000 60001 T10831100 53015 |
| 08:45 CST |  Overcast Light Snow | -8°C / 18°F | -9°C / 16°F | 93% | 1016 mb (30 in) | NW 24 kph (NW 15 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KATY 241445Z AUTO 31013KT 1 3/4SM -SN BR OVC006 M08/M09 A2999 RMK AO2 SNB36 CIG 005V010 P0000 |
| 08:35 CST |  Overcast | -7°C / 19°F | -9°C / 16°F | 86% | 1015 mb (29.97 in) | NW 24 kph (NW 15 mph) | - | 8SM |
| | KATY 241435Z AUTO 31013G16KT 8SM BKN006 OVC014 M07/M09 A2998 RMK AO2 |
| 08:26 CST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1016 mb (30 in) | WNW 13 kph (WNW 8.1 mph) | - | 10SM |
| | KATY 241426Z AUTO 29007KT 10SM SCT006 OVC014 M06/M07 A2999 RMK AO2 |
| 08:03 CST |  Overcast | -7°C / 19°F | -7°C / 19°F | 100% | 1015 mb (29.97 in) | NNW 15 kph (NNW 9.2 mph) | - | 9SM |
| | KATY 241403Z AUTO 33008KT 9SM BKN014 BKN019 OVC050 M07/M07 A2997 RMK AO2 |
| 07:53 CST |  Overcast | -7°C / 19°F | -8°C / 18°F | 93% | 1015 mb (29.97 in) | NNW 13 kph (NNW 8.1 mph) | 0.00 mm (0.00 in) | 8SM |
| | KATY 241353Z AUTO 33007KT 8SM SCT016 SCT031 OVC055 M07/M08 A2996 RMK AO2 SNB21E52 SLP173 P0000 T10671078 |
| 06:53 CST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1014 mb (29.94 in) | N 17 kph (N 10.4 mph) | 0.25 mm (0.01 in) | 7SM |
| | KATY 241253Z AUTO 35009KT 7SM FEW031 OVC060 M06/M07 A2995 RMK AO2 SNB17E52 SLP168 P0001 T10611072 |
| 06:41 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1014 mb (29.94 in) | NNW 15 kph (NNW 9.2 mph) | 0.00 mm (0.00 in) | 6SM |
| | KATY 241241Z AUTO 34008KT 6SM -SN BR BKN031 OVC055 M06/M07 A2995 RMK AO2 SNB17 P0000 |
| 06:31 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1014 mb (29.94 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 6SM |
| | KATY 241231Z AUTO 35007KT 6SM -SN BR BKN029 OVC055 M06/M07 A2995 RMK AO2 SNB17 P0000 |
| 05:53 CST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1014 mb (29.94 in) | N 17 kph (N 10.4 mph) | 0.00 mm (0.00 in) | 10SM |
| | KATY 241153Z AUTO 35009KT 10SM SCT033 OVC055 M06/M07 A2995 RMK AO2 SNE16 SLP168 P0000 60002 70012 T10611067 11056 21061 58003 |
| 05:09 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1015 mb (29.97 in) | N 11 kph (N 6.9 mph) | 0.00 mm (0.00 in) | 5SM |
| | KATY 241109Z AUTO 36006KT 5SM -SN BR FEW030 OVC060 M06/M07 A2996 RMK AO2 P0000 |
| 05:00 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1015 mb (29.97 in) | N 11 kph (N 6.9 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KATY 241100Z AUTO 36006KT 2 1/2SM -SN BR FEW017 SCT032 OVC060 M06/M07 A2996 RMK AO2 P0000 |
| 04:53 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1015 mb (29.97 in) | N 11 kph (N 6.9 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KATY 241053Z AUTO 36006KT 1 3/4SM -SN BR SCT017 BKN032 OVC060 M06/M07 A2996 RMK AO2 SLP171 P0001 T10611067 |
| 04:36 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1015 mb (29.97 in) | N 11 kph (N 6.9 mph) | 0.25 mm (0.01 in) | 1 3/4SM |
| | KATY 241036Z AUTO 36006KT 1 3/4SM -SN BR BKN017 OVC034 M06/M07 A2996 RMK AO2 P0001 |
| 04:27 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1015 mb (29.97 in) | N 9 kph (N 5.8 mph) | 0.25 mm (0.01 in) | 2SM |
| | KATY 241027Z AUTO 36005KT 2SM -SN BR OVC017 M06/M07 A2996 RMK AO2 P0001 |
| 04:16 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1015 mb (29.97 in) | N 11 kph (N 6.9 mph) | 0.25 mm (0.01 in) | 1 1/2SM |
| | KATY 241016Z AUTO 01006KT 1 1/2SM -SN BR BKN017 OVC026 M06/M07 A2996 RMK AO2 P0001 |
| 04:05 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1015 mb (29.97 in) | N 11 kph (N 6.9 mph) | 0.00 mm (0.00 in) | 1SM |
| | KATY 241005Z AUTO 01006KT 1SM -SN BR SCT005 BKN011 OVC025 M06/M07 A2996 RMK AO2 P0000 |
| 03:53 CST |  Overcast Light Snow | -6°C / 21°F | -6°C / 21°F | 100% | 1015 mb (29.97 in) | NNE 13 kph (NNE 8.1 mph) | 0.25 mm (0.01 in) | 1 1/4SM |
| | KATY 240953Z AUTO 02007KT 1 1/4SM -SN BR BKN005 BKN011 OVC022 M06/M06 A2996 RMK AO2 SNB10 SLP173 P0001 T10561061 |
| 03:43 CST |  Overcast Light Snow | -6°C / 21°F | -7°C / 19°F | 93% | 1015 mb (29.97 in) | NNE 13 kph (NNE 8.1 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KATY 240943Z AUTO 02007KT 1 3/4SM -SN BR OVC005 M06/M07 A2996 RMK AO2 SNB10 P0000 |
| 02:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -6°C / 21°F | 100% | 1015 mb (29.97 in) | NNE 15 kph (NNE 9.2 mph) | - | 5SM |
| | KATY 240853Z AUTO 02008KT 5SM BR OVC005 M06/M06 A2996 RMK AO2 SLP170 T10561061 55004 |
| 01:53 CST |  Overcast Fog And Mist | -6°C / 21°F | -7°C / 19°F | 93% | 1014 mb (29.94 in) | NE 15 kph (NE 9.2 mph) | - | 5SM |
| | KATY 240753Z AUTO 04008KT 5SM BR OVC007 M06/M07 A2995 RMK AO2 SLP170 T10561067 |
| 00:53 CST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1014 mb (29.94 in) | NE 15 kph (NE 9.2 mph) | - | 10SM |
| | KATY 240653Z AUTO 04008KT 10SM OVC009 M06/M07 A2995 RMK AO2 SLP169 T10561067 |
| 00:30 CST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1015 mb (29.97 in) | NE 13 kph (NE 8.1 mph) | - | 10SM |
| | KATY 240630Z AUTO 04007KT 10SM OVC009 M06/M07 A2996 RMK AO2 |
| 00:02 CST |  Overcast | -6°C / 21°F | -7°C / 19°F | 93% | 1015 mb (29.97 in) | NE 15 kph (NE 9.2 mph) | - | 9SM |
| | KATY 240602Z AUTO 05008KT 9SM BKN013 OVC030 M06/M07 A2996 RMK AO2 |