| 19:53 CST |  Mostly Cloudy | -1°C / 30°F | -2°C / 28°F | 93% | 1019 mb (30.09 in) | NNW 30 kph (NNW 18.4 mph) | - | 10SM |
| | KATY 260153Z AUTO 33016G22KT 10SM FEW025 BKN041 M01/M02 A3009 RMK AO2 SLP208 T10061022 |
| 19:48 CST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1019 mb (30.09 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KATY 260148Z AUTO 33013KT 10SM FEW023 SCT027 OVC039 M01/M02 A3009 RMK AO2 |
| 19:05 CST |  Overcast | 0°C / 32°F | -2°C / 28°F | 87% | 1019 mb (30.09 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KATY 260105Z AUTO 33013KT 10SM OVC017 00/M02 A3009 RMK AO2 |
| 18:53 CST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1019 mb (30.09 in) | NNW 26 kph (NNW 16.1 mph) | - | 10SM |
| | KATY 260053Z AUTO 34014G20KT 10SM OVC014 M01/M02 A3008 RMK AO2 SLP207 T10061017 |
| 18:06 CST |  Overcast | 0°C / 32°F | -2°C / 28°F | 87% | 1019 mb (30.09 in) | NNW 28 kph (NNW 17.3 mph) | - | 10SM |
| | KATY 260006Z AUTO 33015G22KT 10SM OVC010 00/M02 A3009 RMK AO2 CIG 008V012 |
| 17:53 CST |  Overcast | 0°C / 32°F | -2°C / 28°F | 87% | 1019 mb (30.09 in) | NNW 30 kph (NNW 18.4 mph) | - | 10SM |
| | KATY 252353Z AUTO 34016G23KT 10SM OVC008 00/M02 A3009 RMK AO2 SLP209 T00001017 10000 21006 51016 |
| 17:08 CST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1019 mb (30.09 in) | NNW 30 kph (NNW 18.4 mph) | - | 10SM |
| | KATY 252308Z AUTO 34016G22KT 10SM OVC008 M01/M02 A3008 RMK AO2 CIG 008V013 |
| 16:53 CST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1019 mb (30.09 in) | NNW 33 kph (NNW 20.7 mph) | - | 10SM |
| | KATY 252253Z AUTO 34018G23KT 10SM OVC010 M01/M02 A3008 RMK AO2 PK WND 34027/2218 CIG 008V013 SLP205 T10061017 |
| 15:53 CST |  Overcast | 0°C / 32°F | -1°C / 30°F | 93% | 1018 mb (30.06 in) | NNW 32 kph (NNW 19.6 mph) | - | 10SM |
| | KATY 252153Z AUTO 33017G25KT 10SM OVC010 00/M01 A3006 RMK AO2 PK WND 34028/2141 SLP198 T00001011 |
| 14:53 CST |  Overcast | 0°C / 32°F | -1°C / 30°F | 93% | 1017 mb (30.03 in) | NNW 32 kph (NNW 19.6 mph) | - | 10SM |
| | KATY 252053Z AUTO 33017KT 10SM OVC010 00/M01 A3004 RMK AO2 PK WND 35026/2019 SLP190 T00001011 53012 |
| 13:53 CST |  Overcast Fog And Mist | 0°C / 32°F | -1°C / 30°F | 93% | 1016 mb (30 in) | NNW 32 kph (NNW 19.6 mph) | - | 6SM |
| | KATY 251953Z AUTO 34017G24KT 6SM BR OVC010 00/M01 A3001 RMK AO2 PK WND 34030/1859 CIG 008V013 SLP181 T00001011 |
| 13:12 CST |  Overcast | 0°C / 32°F | -1°C / 30°F | 93% | 1016 mb (30 in) | NNW 37 kph (NNW 23 mph) | - | 9SM |
| | KATY 251912Z AUTO 33020G27KT 9SM OVC010 00/M01 A3000 RMK AO2 PK WND 34030/1859 CIG 008V015 |
| 12:53 CST |  Overcast | 0°C / 32°F | -2°C / 28°F | 87% | 1016 mb (30 in) | NNW 35 kph (NNW 21.9 mph) | - | 7SM |
| | KATY 251853Z AUTO 33019G28KT 7SM BKN008 OVC014 00/M02 A3000 RMK AO2 PK WND 33030/1831 SLP177 T00001017 |
| 12:30 CST |  Overcast | 0°C / 32°F | -2°C / 28°F | 87% | 1016 mb (30 in) | NNW 44 kph (NNW 27.6 mph) | - | 9SM |
| | KATY 251830Z AUTO 33024G30KT 9SM OVC008 00/M02 A3000 RMK AO2 PK WND 33030/1830 CIG 008V013 |
| 11:53 CST |  Overcast | 0°C / 32°F | -1°C / 30°F | 93% | 1016 mb (30 in) | NW 33 kph (NW 20.7 mph) | 0.00 mm (0.00 in) | 7SM |
| | KATY 251753Z AUTO 32018G27KT 7SM OVC010 00/M01 A3000 RMK AO2 PK WND 32030/1741 SNE08 CIG 007V013 SLP176 P0000 60000 T00001011 10000 21006 51007 |
| 11:08 CST |  Overcast Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1016 mb (30 in) | NNW 33 kph (NNW 20.7 mph) | 0.00 mm (0.00 in) | 4SM |
| | KATY 251708Z AUTO 33018G28KT 4SM BR OVC010 M01/M02 A3000 RMK AO2 PK WND 31028/1706 SNE08 CIG 007V015 P0000 |
| 10:53 CST |  Overcast Light Snow | -1°C / 30°F | -1°C / 30°F | 100% | 1016 mb (30 in) | NNW 35 kph (NNW 21.9 mph) | 0.00 mm (0.00 in) | 2SM |
| | KATY 251653Z AUTO 33019G27KT 2SM -SN BR OVC010 M01/M01 A3000 RMK AO2 PK WND 33029/1554 SNE05B25 CIG 007V014 SLP176 P0000 T10061011 |
| 10:49 CST |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 1016 mb (30 in) | NNW 30 kph (NNW 18.4 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KATY 251649Z AUTO 33016G27KT 2 1/2SM -SN BR OVC010 M01/M02 A3000 RMK AO2 PK WND 33029/1554 SNE05B25 CIG 007V012 P0000 |
| 09:53 CST |  Overcast Light Snow | 0°C / 32°F | -2°C / 28°F | 87% | 1015 mb (29.97 in) | NNW 37 kph (NNW 23 mph) | 0.00 mm (0.00 in) | 6SM |
| | KATY 251553Z AUTO 33020G28KT 6SM -SN BR OVC010 00/M02 A2998 RMK AO2 PK WND 34028/1547 SNB50 SLP171 P0000 T00001017 |
| 08:53 CST |  Overcast | 0°C / 32°F | -2°C / 28°F | 87% | 1014 mb (29.94 in) | NW 35 kph (NW 21.9 mph) | - | 8SM |
| | KATY 251453Z AUTO 32019KT 8SM BKN014 OVC022 00/M02 A2995 RMK AO2 PK WND 31029/1434 SLP161 60000 T00001017 |
| 08:33 CST |  Overcast | 0°C / 32°F | -2°C / 28°F | 87% | 1014 mb (29.94 in) | NW 39 kph (NW 24.2 mph) | - | 7SM |
| | KATY 251433Z AUTO 32021G27KT 7SM BKN014 OVC019 00/M02 A2994 RMK AO2 PK WND 33028/1357 |
| 08:21 CST |  Overcast | 0°C / 32°F | -2°C / 28°F | 87% | 1014 mb (29.94 in) | NW 39 kph (NW 24.2 mph) | - | 7SM |
| | KATY 251421Z AUTO 32021G26KT 7SM BKN017 OVC060 00/M02 A2994 RMK AO2 PK WND 33028/1357 |
| 07:53 CST |  Fair | 0°C / 32°F | -1°C / 30°F | 93% | 1014 mb (29.94 in) | NNW 33 kph (NNW 20.7 mph) | 0.00 mm (0.00 in) | |
| | KATY 251353Z AUTO 33018G26KT 00/M01 A2993 RMK AO2 PK WND 33026/1351 SLP153 P0000 T00001011 $ |
| 07:35 CST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1013 mb (29.91 in) | NW 33 kph (NW 20.7 mph) | 0.00 mm (0.00 in) | 4SM |
| | KATY 251335Z AUTO 32018G25KT 4SM -SN BR BKN010 OVC017 00/M01 A2992 RMK AO2 PK WND 33026/1319 P0000 $ |
| 07:26 CST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1013 mb (29.91 in) | NNW 37 kph (NNW 23 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KATY 251326Z AUTO 33020G26KT 2 1/2SM -SN BR FEW008 BKN012 OVC017 00/M01 A2992 RMK AO2 PK WND 33026/1319 P0000 $ |
| 07:19 CST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1013 mb (29.91 in) | NNW 39 kph (NNW 24.2 mph) | 0.00 mm (0.00 in) | 2SM |
| | KATY 251319Z AUTO 33021G26KT 2SM -SN BR BKN010 OVC017 00/M01 A2992 RMK AO2 PK WND 33026/1319 P0000 $ |
| 07:09 CST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1013 mb (29.91 in) | NNW 37 kph (NNW 23 mph) | 0.00 mm (0.00 in) | 3SM |
| | KATY 251309Z AUTO 33020G25KT 3SM -SN BR FEW009 BKN012 OVC017 00/M01 A2991 RMK AO2 PK WND 33026/1259 P0000 $ |
| 07:03 CST |  Overcast Light Snow | -1°C / 30°F | -1°C / 30°F | 100% | 1013 mb (29.91 in) | NNW 37 kph (NNW 23 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KATY 251303Z AUTO 33020G26KT 1 3/4SM -SN BR FEW009 BKN012 OVC016 M01/M01 A2991 RMK AO2 PK WND 33026/1259 P0000 $ |
| 07:00 CST |  Overcast Light Snow | -1°C / 30°F | -1°C / 30°F | 100% | 1013 mb (29.91 in) | NNW 41 kph (NNW 25.3 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KATY 251300Z AUTO 33022G26KT 1 1/4SM -SN BR BKN009 OVC018 M01/M01 A2991 RMK AO2 PK WND 33026/1259 P0000 $ |
| 06:53 CST |  Overcast Light Snow | -1°C / 30°F | -1°C / 30°F | 100% | 1013 mb (29.91 in) | NNW 41 kph (NNW 25.3 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KATY 251253Z AUTO 33022G27KT 1 1/4SM -SN BR BKN010 OVC016 M01/M01 A2991 RMK AO2 PK WND 33032/1215 SLP148 P0000 T10061011 $ |
| 06:48 CST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1013 mb (29.91 in) | NNW 41 kph (NNW 25.3 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KATY 251248Z AUTO 33022G28KT 1 3/4SM -SN BR BKN010 OVC018 00/M01 A2991 RMK AO2 PK WND 33032/1215 CIG 007V013 P0000 $ |
| 06:34 CST |  Overcast Light Snow | -1°C / 30°F | -1°C / 30°F | 100% | 1013 mb (29.91 in) | NNW 30 kph (NNW 18.4 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KATY 251234Z AUTO 33016G27KT 1 1/4SM -SN BR SCT009 BKN014 OVC020 M01/M01 A2991 RMK AO2 PK WND 33032/1215 P0000 $ |
| 06:25 CST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1013 mb (29.91 in) | NNW 35 kph (NNW 21.9 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KATY 251225Z AUTO 33019G30KT 2 1/2SM -SN BR FEW009 BKN014 OVC020 00/M01 A2990 RMK AO2 PK WND 33032/1215 P0000 $ |
| 06:17 CST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1013 mb (29.91 in) | NNW 43 kph (NNW 26.5 mph) | 0.00 mm (0.00 in) | 5SM |
| | KATY 251217Z AUTO 33023G32KT 5SM -SN BR BKN012 OVC018 00/M01 A2990 RMK AO2 PK WND 33032/1215 P0000 $ |
| 06:03 CST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1012 mb (29.88 in) | NNW 33 kph (NNW 20.7 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KATY 251203Z AUTO 33018G26KT 2 1/2SM -SN BR FEW009 BKN014 OVC018 00/M01 A2989 RMK AO2 PK WND 33026/1157 P0000 $ |
| 05:55 CST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1012 mb (29.88 in) | NNW 39 kph (NNW 24.2 mph) | 0.00 mm (0.00 in) | 3SM |
| | KATY 251155Z AUTO 33021G25KT 3SM -SN BR FEW009 BKN014 OVC018 00/M01 A2989 RMK AO2 P0000 $ |
| 05:53 CST |  Overcast Light Snow | 0°C / 32°F | -1°C / 30°F | 93% | 1012 mb (29.88 in) | NNW 35 kph (NNW 21.9 mph) | 0.00 mm (0.00 in) | 3SM |
| | KATY 251153Z AUTO 33019G25KT 3SM -SN BR SCT010 OVC016 00/M01 A2989 RMK AO2 PK WND 32030/1124 SNB1042 SLP139 P0000 60000 T00001011 10033 20000 $ |
| 05:14 CST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1012 mb (29.88 in) | NW 39 kph (NW 24.2 mph) | 0.00 mm (0.00 in) | 9SM |
| | KATY 251114Z AUTO 32021G27KT 9SM FEW008 OVC014 01/M01 A2988 RMK AO2 PK WND 33027/1109 SNB1042E10 P0000 $ |
| 05:07 CST |  Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1012 mb (29.88 in) | NW 32 kph (NW 19.6 mph) | 0.00 mm (0.00 in) | 6SM |
| | KATY 251107Z AUTO 32017KT 6SM -SN BR 01/M01 A2988 RMK AO2 SNB1042 P0000 $ |
| 04:58 CST |  Light Snow | 1°C / 34°F | -1°C / 30°F | 87% | 1012 mb (29.88 in) | NW 35 kph (NW 21.9 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KATY 251058Z AUTO 32019G24KT 2 1/2SM -SN BR 01/M01 A2987 RMK AO2 SNB42 P0000 $ |
| 04:12 CST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1011 mb (29.85 in) | NW 28 kph (NW 17.3 mph) | 0.00 mm (0.00 in) | 5SM |
| | KATY 251012Z AUTO 30015G25KT 5SM -SN BR SCT008 OVC013 01/00 A2986 RMK AO2 PK WND 30028/0959 SNB00 P0000 |
| 03:53 CST |  Overcast | 1°C / 34°F | 0°C / 32°F | 93% | 1011 mb (29.85 in) | NW 33 kph (NW 20.7 mph) | - | 10SM |
| | KATY 250953Z AUTO 30018G24KT 10SM BKN010 BKN017 OVC024 01/00 A2985 RMK AO2 PK WND 31026/0907 CIG 006V015 SLP124 T00110000 |
| 03:02 CST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1011 mb (29.85 in) | NW 37 kph (NW 23 mph) | - | 9SM |
| | KATY 250902Z AUTO 31020G25KT 9SM BKN010 OVC014 02/00 A2985 RMK AO2 CIG 008V013 |
| 02:53 CST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1011 mb (29.85 in) | NW 30 kph (NW 18.4 mph) | - | 10SM |
| | KATY 250853Z AUTO 31016G25KT 10SM SCT010 OVC015 02/00 A2985 RMK AO2 SLP122 T00170000 55003 |
| 02:41 CST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1011 mb (29.85 in) | NW 26 kph (NW 16.1 mph) | - | 10SM |
| | KATY 250841Z AUTO 31014G24KT 10SM BKN016 BKN048 OVC060 02/00 A2985 RMK AO2 |
| 01:53 CST |  Overcast | 2°C / 36°F | -1°C / 30°F | 81% | 1010 mb (29.83 in) | W 20 kph (W 12.7 mph) | - | 10SM |
| | KATY 250753Z AUTO 28011KT 10SM BKN035 BKN043 OVC055 02/M01 A2984 RMK AO2 SLP117 T00221011 |
| 00:53 CST |  Overcast | 3°C / 37°F | -1°C / 30°F | 75% | 1010 mb (29.83 in) | SSW 13 kph (SSW 8.1 mph) | - | 10SM |
| | KATY 250653Z AUTO 24007KT 10SM OVC045 03/M01 A2984 RMK AO2 SLP118 T00281011 |