| 09:55 EST |  Overcast Thunder Storms | 20°C / 68°F | 20°C / 68°F | 100% | 1016 mb (30 in) | NE 9 kph (NE 5.8 mph) | 14.22 mm (0.56 in) | 6SM |
| | KHST 251455Z 05005KT 6SM VCTS -RA BR OVC021CB 20/20 A3000 RMK AO2A LTG DSNT SW-W AND E-SE TS 12SW AND 15W AND 7E AND 8SE MOV NE SLP161 P0056 60194 T02040198 51019 |
| 09:47 EST |  Overcast Thunder Storms | 20°C / 68°F | 20°C / 68°F | 100% | 1016 mb (30 in) | NE 11 kph (NE 6.9 mph) | - | 3SM |
| | KHST 251447Z 04006KT 3SM VCTS -RA BR OVC016 20/20 A3000 RMK AO2A LTG DSNT SW TS 8SE MOV NE SLP159 |
| 09:26 EST |  Overcast Thunder Storms | 21°C / 70°F | 20°C / 68°F | 94% | 1016 mb (30 in) | NW 6 kph (NW 3.5 mph) | - | 1 1/4SM |
| | KHST 251426Z 32003KT 1 1/4SM R05/3000VP6000FT +TSRA BR BKN002 OVC031CB 21/20 A3000 RMK AO2A OCNL LTG ICCCCG OHD TS OHD MOV NE SLP160 |
| 09:10 EST |  Overcast Thunder Storms | 21°C / 70°F | 20°C / 68°F | 94% | 1016 mb (30 in) | WNW 19 kph (WNW 11.5 mph) | - | 1/2SM |
| | KHST 251410Z 29010KT 1/2SM R05/2400VP6000FT VCTS +RA FG BKN002 OVC034CB 21/20 A2999 RMK AO2A LTG DSNT NE TS MOV NE SLP157 |
| 09:08 EST |  Overcast Thunder Storms | 21°C / 70°F | 20°C / 68°F | 94% | 1016 mb (30 in) | W 20 kph (W 12.7 mph) | - | 3/4SM |
| | KHST 251408Z 27011KT 3/4SM R05/3000VP6000FT +TSRA BR SCT002 BKN015 OVC034CB 21/20 A2999 RMK AO2A OCNL LTG ICCCCG OHD TS OHD MOV NE SLP158 |
| 09:05 EST |  Overcast Thunder Storms | 21°C / 70°F | 20°C / 68°F | 94% | 1016 mb (30 in) | W 13 kph (W 8.1 mph) | - | 1 1/4SM |
| | KHST 251405Z 28007KT 1 1/4SM R05/3000VP6000FT +TSRA BR SCT002 BKN015 OVC037CB 21/20 A3000 RMK AO2A OCNL LTG ICCCCG OHD TS OHD MOV NE SLP160 |
| 08:58 EST |  Overcast Thunder Storms | 20°C / 68°F | 20°C / 68°F | 100% | 1016 mb (30 in) | NE 9 kph (NE 5.8 mph) | - | 4SM |
| | KHST 251358Z 03005KT 4SM TSRA BR SCT002 OVC034CB 20/20 A3000 RMK AO2A LTG 6S AND 9SE AND 4E TS 6S AND 9SE AND 4E MOV NE SLP160 |
| 08:55 EST |  Overcast Thunder Storms | 20°C / 68°F | 20°C / 68°F | 100% | 1015 mb (29.97 in) | NNW 9 kph (NNW 5.8 mph) | 30.99 mm (1.22 in) | 1 1/4SM |
| | KHST 251355Z 33005KT 1 1/4SM R05/4000VP6000FT +TSRA BR BKN002 OVC026CB 20/20 A2998 RMK AO2A PK WND 28031/1258 LTG ICCCCG OHD TS OHD MOV NE PRESFR SLP155 P0122 T02040195 |
| 08:38 EST |  Overcast Thunder Storms | 20°C / 68°F | 19°C / 66°F | 94% | 1015 mb (29.97 in) | SSW 15 kph (SSW 9.2 mph) | - | 1/2SM |
| | KHST 251338Z 26008KT 1/2SM R05/2400VP6000FT +TSRA FG SCT002 OVC015CB 20/19 A2998 RMK AO2A PK WND 28031/1258 LTG ICCCCG ALQDS TS ALQDS MOV NE PRESFR SLP155 |
| 08:36 EST |  Overcast Thunder Storms | 20°C / 68°F | 19°C / 66°F | 94% | 1015 mb (29.97 in) | W 20 kph (W 12.7 mph) | - | 1/4SM |
| | KHST 251336Z 27011KT 1/4SM R05/2400V5000FT +TSRA FG SCT002 OVC015CB 20/19 A2997 RMK AO2A PK WND 28031/1258 LTG ICCCCG ALQDS TS ALQDS MOV NE PRESFR SLP151 |
| 08:24 EST |  Overcast Thunder Storms | 21°C / 70°F | 20°C / 68°F | 94% | 1015 mb (29.97 in) | SSW 32 kph (SSW 19.6 mph) | - | 1/4SM |
| | KHST 251324Z 26017G21KT 1/4SM R05/1800VP6000FT +TSRA FG BKN002 OVC016CB 21/20 A2998 RMK AO2A PK WND 28031/1258 LTG ICCCCG ALQDS TS ALQDS MOV NE PRESFR SLP154 |
| 08:21 EST |  Overcast Thunder Storms | 21°C / 70°F | 20°C / 68°F | 94% | 1015 mb (29.97 in) | W 24 kph (W 15 mph) | - | 3/4SM |
| | KHST 251321Z 28013KT 3/4SM R05/2800VP6000FT +TSRA BR OVC008CB 21/20 A2997 RMK AO2A PK WND 28031/1258 LTG ICCCCG ALQDS TS ALQDS MOV NE PRESFR SLP151 |
| 08:17 EST |  Overcast Thunder Storms | 20°C / 68°F | 20°C / 68°F | 100% | 1015 mb (29.97 in) | W 22 kph (W 13.8 mph) | - | 1 3/4SM |
| | KHST 251317Z 27012G22KT 1 3/4SM +TSRA BR OVC009CB 20/20 A2998 RMK AO2A PK WND 28031/1258 OCNL LTG ICCCCG ALQDS TS ALQDS MOV NE PRESFR SLP155 |
| 08:13 EST |  Overcast Thunder Storms | 21°C / 70°F | 20°C / 68°F | 94% | 1015 mb (29.97 in) | W 22 kph (W 13.8 mph) | - | 1 1/2SM |
| | KHST 251313Z 27012G22KT 1 1/2SM +TSRA BR OVC010CB 21/20 A2998 RMK AO2A PK WND 28031/1258 OCNL LTG ICCCCG OHD TS OHD MOV NE PRESFR SLP154 |
| 08:10 EST |  Overcast Thunder Storms | 21°C / 70°F | 20°C / 68°F | 94% | 1015 mb (29.97 in) | NW 19 kph (NW 11.5 mph) | - | 1 1/4SM |
| | KHST 251310Z 30010G22KT 1 1/4SM +TSRA BR OVC007CB 21/20 A2997 RMK AO2A PK WND 28031/1258 OCNL LTG OHD TS OHD MOV NE PRESFR SLP150 |
| 08:03 EST |  Overcast Thunder Storms | 21°C / 70°F | 20°C / 68°F | 94% | 1015 mb (29.97 in) | W 28 kph (W 17.3 mph) | - | 1 1/4SM |
| | KHST 251303Z 28015G31KT 1 1/4SM VCTS +RA BR SCT002 OVC022CB 21/20 A2998 RMK AO2A PK WND 28031/1258 LTG W TS 6W MOV NE SLP153 |
| 08:01 EST |  Overcast Thunder Storms | 21°C / 70°F | 20°C / 68°F | 94% | 1015 mb (29.97 in) | W 37 kph (W 23 mph) | - | 1 1/2SM |
| | KHST 251301Z 28020G31KT 1 1/2SM VCTS +RA BR SCT002 OVC022 21/20 A2998 RMK AO2A PK WND 28031/1258 CIG 016 RWY23 SLP153 |
| 07:58 EST |  Overcast Thunder Storms | 21°C / 70°F | 20°C / 68°F | 94% | 1015 mb (29.97 in) | W 44 kph (W 27.6 mph) | - | 2 1/2SM |
| | KHST 251258Z 28024G27KT 2 1/2SM VCTS +RA BR FEW002 OVC021 21/20 A2997 RMK AO2A PK WND 28027/1258 CIG 014 RWY23 SLP150 |
| 07:55 EST |  Overcast Thunder Storms | 22°C / 72°F | 21°C / 70°F | 94% | 1015 mb (29.97 in) | W 24 kph (W 15 mph) | 4.06 mm (0.16 in) | 6SM |
| | KHST 251255Z 28013KT 6SM TSRA BR OVC020 22/21 A2998 RMK AO2A TSB1230 PRESRR SLP155 P0016 T02150208 |
| 07:33 EST |  Overcast Thunder Storms | 22°C / 72°F | 21°C / 70°F | 94% | 1015 mb (29.97 in) | W 7 kph (W 4.6 mph) | - | 5SM |
| | KHST 251233Z 27004KT 5SM TSRA BR FEW002 OVC016 22/21 A2997 RMK AO2A TSB1230 PRESRR SLP150 |
| 07:30 EST |  Overcast Thunder Storms | 22°C / 72°F | 21°C / 70°F | 94% | 1015 mb (29.97 in) | W 7 kph (W 4.6 mph) | - | 6SM |
| | KHST 251230Z 27004KT 6SM R05/5000VP6000FT TSRA BR FEW002 OVC013 22/21 A2997 RMK AO2A TSB1230 PRESRR SLP150 |
| 07:28 EST |  Overcast Rain | 22°C / 72°F | 21°C / 70°F | 94% | 1015 mb (29.97 in) | W 7 kph (W 4.6 mph) | - | 6SM |
| | KHST 251228Z 27004KT 6SM R05/5000VP6000FT RA BR FEW003 OVC013 22/21 A2997 RMK AO2A PRESRR SLP150 |
| 07:22 EST |  Overcast Rain | 22°C / 72°F | 21°C / 70°F | 94% | 1015 mb (29.97 in) | Calm | - | 3SM |
| | KHST 251222Z 00000KT 3SM R05/2400VP6000FT RA BR OVC011 22/21 A2997 RMK AO2A LTG DSNT SW PRESRR SLP149 |
| 07:17 EST |  Overcast Heavy Rain | 21°C / 70°F | 21°C / 70°F | 100% | 1015 mb (29.97 in) | NNW 6 kph (NNW 3.5 mph) | - | 2 1/2SM |
| | KHST 251217Z 34003KT 2 1/2SM R05/2400VP6000FT +RA BR OVC012 21/21 A2996 RMK AO2A LTG DSNT SW SLP146 |
| 07:08 EST |  Overcast Light Rain | 21°C / 70°F | 21°C / 70°F | 100% | 1014 mb (29.94 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KHST 251208Z 34003KT 10SM R05/5500VP6000FT -RA FEW005 OVC014 21/21 A2994 RMK AO2A SLP142 |
| 07:03 EST |  Overcast Light Rain | 21°C / 70°F | 21°C / 70°F | 100% | 1014 mb (29.94 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KHST 251203Z 34003KT 10SM R05/5500VP6000FT -RA FEW005 OVC015 21/21 A2994 RMK AO2A SLP140 |
| 06:55 EST |  Overcast Light Rain | 21°C / 70°F | 20°C / 68°F | 94% | 1014 mb (29.94 in) | N 7 kph (N 4.6 mph) | 1.78 mm (0.07 in) | 10SM |
| | KHST 251155Z 35004KT 10SM -RA OVC012 21/20 A2994 RMK AO2A SLP142 P0007 60194 70194 T02140204 10257 20213 52004 |
| 06:35 EST |  Overcast Heavy Rain | 21°C / 70°F | 20°C / 68°F | 94% | 1014 mb (29.94 in) | N 7 kph (N 4.6 mph) | - | 8SM |
| | KHST 251135Z 36004KT 8SM R05/5000VP6000FT +RA OVC012 21/20 A2994 RMK AO2A SLP142 |
| 06:32 EST |  Overcast Rain | 21°C / 70°F | 20°C / 68°F | 94% | 1014 mb (29.94 in) | NNW 7 kph (NNW 4.6 mph) | - | 7SM |
| | KHST 251132Z 34004KT 7SM R05/5000V5500FT RA OVC013 21/20 A2994 RMK AO2A SLP141 |
| 06:25 EST |  Overcast Light Rain | 21°C / 70°F | 20°C / 68°F | 94% | 1014 mb (29.94 in) | NNW 6 kph (NNW 3.5 mph) | - | 9SM |
| | KHST 251125Z 34003KT 9SM R05/5000VP6000FT -RA OVC014 21/20 A2995 RMK AO2A SLP143 |
| 05:55 EST |  Overcast Light Rain | 22°C / 72°F | 20°C / 68°F | 88% | 1014 mb (29.94 in) | NW 11 kph (NW 6.9 mph) | 3.81 mm (0.15 in) | 10SM |
| | KHST 251055Z 32006KT 10SM -RA OVC016 22/20 A2995 RMK AO2A OCNL LTG DSNT N TS MOVD N TSE1046 PRESRR SLP142 P0015 T02240203 |
| 05:46 EST |  Overcast Light Rain | 23°C / 73°F | 20°C / 68°F | 83% | 1014 mb (29.94 in) | Calm | - | 10SM |
| | KHST 251046Z 00000KT 10SM -RA OVC016 23/20 A2995 RMK AO2A OCNL LTG DSNT N TS MOVD N TSE1046 PRESRR SLP143 |
| 05:13 EST |  Overcast Thunder Storms | 23°C / 73°F | 21°C / 70°F | 89% | 1014 mb (29.94 in) | SSW 11 kph (SSW 6.9 mph) | - | 7SM |
| | KHST 251013Z 26006KT 7SM R05/4000VP6000FT -TSRA SCT005 OVC011CB 23/21 A2995 RMK AO2A OCNL LTGICCCCG SW-NW TS 15SW-4N-8NE MOV N PRESRR SLP142 |
| 04:55 EST |  Overcast Thunder Storms | 23°C / 73°F | 22°C / 72°F | 94% | 1014 mb (29.94 in) | N 11 kph (N 6.9 mph) | 29.97 mm (1.18 in) | 3SM |
| | KHST 250955Z 36006KT 3SM R05/3500V4000FT TSRA BR SCT004 OVC015CB 23/22 A2993 RMK AO2A OCNL LTGICCCCG OHD-N TS OHD 10N MOV N WSHFT 0929 SLP136 P0118 T02300223 |
| 04:36 EST |  Overcast Thunder Storms | 23°C / 73°F | 22°C / 72°F | 94% | 1014 mb (29.94 in) | W 26 kph (W 16.1 mph) | - | 1 1/4SM |
| | KHST 250936Z 27014G21KT 1 1/4SM R05/1800V3000FT +TSRA BR SCT004 OVC010CB 23/22 A2994 RMK AO2A FQT LTGICCCCG ALQDS TS ALQDS MOV N SLP140 |
| 04:14 EST |  Overcast Thunder Storms | 24°C / 75°F | 24°C / 75°F | 100% | 1014 mb (29.94 in) | SSE 9 kph (SSE 5.8 mph) | - | 1 3/4SM |
| | KHST 250914Z 15005KT 1 3/4SM R05/2800V3500FT +TSRA BR OVC002 24/24 A2995 RMK AO2A SLP143 |
| 04:05 EST |  Overcast Thunder Storms | 24°C / 75°F | 24°C / 75°F | 100% | 1014 mb (29.94 in) | SE 7 kph (SE 4.6 mph) | - | 2 1/2SM |
| | KHST 250905Z 13004KT 2 1/2SM R05/3000V4000FT +TSRA BR OVC004 24/24 A2995 RMK AO2A SLP143 |
| 04:03 EST |  Overcast Thunder Storms | 24°C / 75°F | 24°C / 75°F | 100% | 1014 mb (29.94 in) | Variable 9 kph (Variable 5.8 mph) | - | 1SM |
| | KHST 250903Z VRB05KT 1SM R05/3000V4000FT +TSRA BR SCT006 OVC015CB 24/24 A2995 RMK AO2A FQT LTGICCCCCG ALQDS TS ALQDS MOV N SLP143 |
| 03:55 EST |  Overcast Thunder Storms | 24°C / 75°F | 24°C / 75°F | 100% | 1014 mb (29.94 in) | ENE 13 kph (ENE 8.1 mph) | 13.21 mm (0.52 in) | 1 1/2SM |
| | KHST 250855Z 06007KT 1 1/2SM R05/2400V4000FT TSRA BR OVC013CB 24/24 A2993 RMK AO2A FQT LTGICCCCG ALQDS TS ALQDS MOV N PRESRR SLP137 P0052 60054 T02440237 56013 |
| 03:40 EST |  Overcast Thunder Storms | 24°C / 75°F | 24°C / 75°F | 100% | 1014 mb (29.94 in) | Variable 7 kph (Variable 4.6 mph) | - | 1SM |
| | KHST 250840Z VRB04KT 1SM R05/4000FT +TSRA BR FEW002 OVC022CB 24/24 A2995 RMK AO2A OCNL LTGICCG ALQDS TS OHD-8S MOV N SLP145 |
| 03:34 EST |  Overcast Thunder Storms | 24°C / 75°F | 24°C / 75°F | 100% | 1014 mb (29.94 in) | SE 7 kph (SE 4.6 mph) | - | 4SM |
| | KHST 250834Z 14004KT 4SM R05/4000V4500FT TSRA BR OVC020CB 24/24 A2994 RMK AO2A OCNL LTGICCG SW-SE TS OHD-10S MOV N SLP140 |
| 03:25 EST |  Overcast Thunder Storms | 25°C / 77°F | 24°C / 75°F | 94% | 1014 mb (29.94 in) | ESE 17 kph (ESE 10.4 mph) | - | 5SM |
| | KHST 250825Z 11009KT 5SM -TSRA SCT009 OVC020CB 25/24 A2993 RMK AO2A OCNL LTGICCG ALQDS TS 10NW-3NE MOV N |
| 03:08 EST |  Overcast Thunder Storms | 25°C / 77°F | 23°C / 73°F | 89% | 1014 mb (29.94 in) | SE 7 kph (SE 4.6 mph) | - | 2SM |
| | KHST 250808Z 14004KT 2SM R05/4000VP6000FT TSRA FEW007 OVC014CB 25/23 A2994 RMK AO2A FQT LTGICCCCG TS 5SE-OHD-5NW MOV N SLP141 |
| 02:55 EST |  Overcast Thunder Storms | 25°C / 77°F | 23°C / 73°F | 89% | 1014 mb (29.94 in) | E 17 kph (E 10.4 mph) | 0.51 mm (0.02 in) | 9SM |
| | KHST 250755Z 10009KT 9SM R05/5500FT -TSRA SCT015 BKN025CB OVC060 25/23 A2993 RMK AO2A TSB0743 SLP138 P0002 T02500233 |
| 02:48 EST |  Overcast Thunder Storms | 25°C / 77°F | 23°C / 73°F | 89% | 1014 mb (29.94 in) | E 17 kph (E 10.4 mph) | - | 9SM |
| | KHST 250748Z 10009KT 9SM R05/5500FT -TSRA SCT009 BKN025CB OVC060 25/23 A2993 RMK AO2A TSB0743 OCNL LTGICCG TS 5E-OHD-10W MOV N SLP138 |
| 02:29 EST |  Overcast Light Rain | 25°C / 77°F | 23°C / 73°F | 89% | 1014 mb (29.94 in) | ESE 13 kph (ESE 8.1 mph) | - | 10SM |
| | KHST 250729Z 11007KT 10SM -RA SCT025 OVC060 25/23 A2994 RMK AO2A LTG DSNT S |
| 02:14 EST |  Partly Cloudy Unknown Precip | 26°C / 79°F | 23°C / 73°F | 84% | 1014 mb (29.94 in) | ESE 15 kph (ESE 9.2 mph) | - | 10SM |
| | KHST 250714Z 11008KT 10SM R05/5500VP6000FT UP SCT065 26/23 A2994 RMK AO2A UPB0714 SLP140 |
| 01:55 EST |  Partly Cloudy | 26°C / 79°F | 23°C / 73°F | 84% | 1014 mb (29.94 in) | E 15 kph (E 9.2 mph) | - | 10SM |
| | KHST 250655Z 10008KT 10SM FEW140 26/23 A2994 RMK AO2A CLDS LWR RWY23 SLP140 T02560230 |
| 00:55 EST |  Partly Cloudy | 26°C / 79°F | 23°C / 73°F | 84% | 1015 mb (29.97 in) | E 11 kph (E 6.9 mph) | - | 10SM |
| | KHST 250555Z 10006KT 10SM SCT049 26/23 A2997 RMK AO2A SLP150 T02560229 10256 20246 58012 |