| 20:52 CST |  Overcast | 5°C / 41°F | 1°C / 34°F | 76% | 1014 mb (29.94 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KSPI 260252Z 25012G18KT 10SM FEW030 OVC045 05/01 A2993 RMK AO2 SLP137 T00500011 56001 |
| 19:52 CST |  Overcast | 5°C / 41°F | 2°C / 36°F | 81% | 1014 mb (29.94 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KSPI 260152Z 26011KT 10SM OVC050 05/02 A2993 RMK AO2 SLP137 T00500017 |
| 19:14 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1014 mb (29.94 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KSPI 260114Z 26011KT 10SM FEW018 SCT025 OVC050 05/03 A2993 RMK AO2 |
| 19:03 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1014 mb (29.94 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KSPI 260103Z 26008KT 10SM SCT018 BKN025 OVC055 05/03 A2993 RMK AO2 |
| 18:52 CST |  Overcast | 5°C / 41°F | 3°C / 37°F | 87% | 1014 mb (29.94 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KSPI 260052Z 25010KT 10SM FEW023 BKN049 OVC055 05/03 A2993 RMK AO2 SLP137 T00500028 |
| 17:52 CST |  Overcast | 4°C / 39°F | 3°C / 37°F | 93% | 1014 mb (29.94 in) | W 15 kph (W 9.2 mph) | 0.25 mm (0.01 in) | 10SM |
| | KSPI 252352Z 27008KT 10SM FEW023 OVC050 04/03 A2993 RMK AO2 RAE10 SLP138 P0001 60003 T00440028 10094 20044 53012 |
| 17:05 CST |  Overcast Light Rain | 5°C / 41°F | 3°C / 37°F | 87% | 1014 mb (29.94 in) | W 15 kph (W 9.2 mph) | 0.25 mm (0.01 in) | 10SM |
| | KSPI 252305Z 28008G19KT 10SM -RA SCT017 BKN037 OVC049 05/03 A2993 RMK AO2 P0001 |
| 16:52 CST |  Overcast Light Rain | 5°C / 41°F | 3°C / 37°F | 87% | 1014 mb (29.94 in) | W 24 kph (W 15 mph) | 0.51 mm (0.02 in) | 10SM |
| | KSPI 252252Z 28013G24KT 10SM -RA SCT015 BKN020 OVC036 05/03 A2993 RMK AO2 SLP137 P0002 T00500028 |
| 15:52 CST |  Overcast Light Rain | 7°C / 45°F | 3°C / 37°F | 76% | 1013 mb (29.91 in) | W 22 kph (W 13.8 mph) | 0.00 mm (0.00 in) | 9SM |
| | KSPI 252152Z 27012G17KT 9SM -RA SCT020 BKN028 OVC036 07/03 A2990 RMK AO2 RAB35 SLP126 P0000 T00720033 |
| 15:49 CST |  Overcast Light Rain | 7°C / 45°F | 3°C / 37°F | 76% | 1013 mb (29.91 in) | W 20 kph (W 12.7 mph) | 0.00 mm (0.00 in) | 10SM |
| | KSPI 252149Z 28011G17KT 10SM -RA FEW020 BKN028 OVC055 07/03 A2990 RMK AO2 RAB35 P0000 |
| 14:52 CST |  Overcast | 9°C / 48°F | 2°C / 36°F | 62% | 1012 mb (29.88 in) | SSW 28 kph (SSW 17.3 mph) | - | 10SM |
| | KSPI 252052Z 26015G20KT 10SM BKN070 OVC085 09/02 A2989 RMK AO2 SLP122 60000 T00890022 56005 |
| 13:52 CST |  Overcast | 9°C / 48°F | 3°C / 37°F | 66% | 1012 mb (29.88 in) | SSW 24 kph (SSW 15 mph) | - | 10SM |
| | KSPI 251952Z 25013G19KT 10SM OVC095 09/03 A2989 RMK AO2 SLP122 T00940033 |
| 12:52 CST |  Overcast | 8°C / 46°F | 4°C / 39°F | 76% | 1012 mb (29.88 in) | SSW 19 kph (SSW 11.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KSPI 251852Z 26010G17KT 10SM FEW047 SCT060 OVC100 08/04 A2988 RMK AO2 RAB05E15 SLP121 P0000 T00830039 |
| 12:39 CST |  Overcast | 8°C / 46°F | 4°C / 39°F | 76% | 1012 mb (29.88 in) | SSW 24 kph (SSW 15 mph) | 0.00 mm (0.00 in) | 10SM |
| | KSPI 251839Z 26013G19KT 10SM SCT013 BKN047 OVC060 08/04 A2989 RMK AO2 RAB05E15 P0000 |
| 11:52 CST |  Overcast | 8°C / 46°F | 6°C / 43°F | 87% | 1013 mb (29.91 in) | SSW 20 kph (SSW 12.7 mph) | - | 10SM |
| | KSPI 251752Z 25011G20KT 10SM OVC012 08/06 A2990 RMK AO2 SLP127 60001 T00830056 10089 20083 51003 |
| 10:52 CST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1013 mb (29.91 in) | SSW 22 kph (SSW 13.8 mph) | - | 9SM |
| | KSPI 251652Z 25012G17KT 9SM OVC010 08/07 A2990 RMK AO2 SLP126 T00830067 |
| 09:52 CST |  Overcast | 9°C / 48°F | 7°C / 45°F | 87% | 1013 mb (29.91 in) | SSW 19 kph (SSW 11.5 mph) | - | 8SM |
| | KSPI 251552Z 26010G17KT 8SM OVC010 09/07 A2990 RMK AO2 CIG 008V013 SLP126 T00890072 |
| 08:57 CST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1012 mb (29.88 in) | SSW 20 kph (SSW 12.7 mph) | - | 8SM |
| | KSPI 251457Z 26011G19KT 8SM OVC010 08/07 A2989 RMK AO2 |
| 08:52 CST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1012 mb (29.88 in) | SSW 26 kph (SSW 16.1 mph) | - | 7SM |
| | KSPI 251452Z 26014G19KT 7SM OVC009 08/07 A2989 RMK AO2 CIG 007V014 SLP124 60001 T00830072 51020 |
| 07:52 CST |  Overcast Fog And Mist | 8°C / 46°F | 7°C / 45°F | 93% | 1012 mb (29.88 in) | SSW 20 kph (SSW 12.7 mph) | 0.25 mm (0.01 in) | 4SM |
| | KSPI 251352Z 26011G17KT 4SM BR OVC007 08/07 A2988 RMK AO2 RAE44 CIG 006V011 SLP120 P0001 T00830072 |
| 07:03 CST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1011 mb (29.85 in) | SSW 17 kph (SSW 10.4 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KSPI 251303Z 25009G17KT 2 1/2SM -RA BR BKN009 OVC016 08/07 A2986 RMK AO2 CIG 007V014 P0001 |
| 07:00 CST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1011 mb (29.85 in) | SSW 19 kph (SSW 11.5 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KSPI 251300Z 26010G17KT 2 1/2SM -RA BR SCT009 OVC013 08/07 A2986 RMK AO2 P0000 |
| 06:52 CST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1011 mb (29.85 in) | SSW 20 kph (SSW 12.7 mph) | 0.00 mm (0.00 in) | 6SM |
| | KSPI 251252Z 26011KT 6SM -RA BR OVC013 08/07 A2986 RMK AO2 RAE08B52 SLP111 P0000 T00830067 |
| 05:52 CST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1010 mb (29.83 in) | SSW 19 kph (SSW 11.5 mph) | 0.25 mm (0.01 in) | 7SM |
| | KSPI 251152Z 26010KT 7SM -RA SCT008 OVC015 08/07 A2983 RMK AO2 RAE20B40 SLP103 P0001 60001 70045 T00830067 10083 20072 53014 |
| 05:38 CST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1010 mb (29.83 in) | SSW 20 kph (SSW 12.7 mph) | 0.25 mm (0.01 in) | 7SM |
| | KSPI 251138Z AUTO 26011G19KT 7SM BKN006 BKN018 OVC028 08/07 A2983 RMK AO2 RAE20 CIG 003V009 P0001 |
| 05:11 CST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1010 mb (29.83 in) | SSW 22 kph (SSW 13.8 mph) | 0.25 mm (0.01 in) | 3SM |
| | KSPI 251111Z AUTO 25012G19KT 3SM -RA BR OVC004 08/07 A2982 RMK AO2 CIG 003V007 P0001 |
| 05:01 CST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1010 mb (29.83 in) | SSW 19 kph (SSW 11.5 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KSPI 251101Z AUTO 26010KT 2 1/2SM -RA BR BKN006 OVC009 08/07 A2982 RMK AO2 CIG 003V007 P0000 |
| 04:52 CST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | SSW 24 kph (SSW 15 mph) | 0.00 mm (0.00 in) | 3SM |
| | KSPI 251052Z AUTO 26013G19KT 3SM -RA BR OVC006 08/07 A2981 RMK AO2 RAB15 CIG 004V010 SLP096 P0000 T00780067 |
| 03:52 CST |  Overcast | 8°C / 46°F | 6°C / 43°F | 87% | 1009 mb (29.8 in) | SSW 22 kph (SSW 13.8 mph) | 0.00 mm (0.00 in) | 10SM |
| | KSPI 250952Z AUTO 25012G19KT 10SM OVC008 08/06 A2980 RMK AO2 RAB03E14 CIG 007V011 SLP090 P0000 T00780061 |
| 02:52 CST |  Overcast | 8°C / 46°F | 6°C / 43°F | 87% | 1009 mb (29.8 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KSPI 250852Z AUTO 24012G20KT 10SM OVC008 08/06 A2979 RMK AO2 SLP089 T00780061 53001 |
| 01:52 CST |  Overcast | 7°C / 45°F | 6°C / 43°F | 93% | 1008 mb (29.77 in) | SSW 24 kph (SSW 15 mph) | - | 8SM |
| | KSPI 250752Z AUTO 24013G20KT 8SM OVC008 07/06 A2978 RMK AO2 SLP085 T00720056 |
| 01:17 CST |  Overcast Fog And Mist | 7°C / 45°F | 6°C / 43°F | 93% | 1008 mb (29.77 in) | SSW 19 kph (SSW 11.5 mph) | - | 5SM |
| | KSPI 250717Z AUTO 24010G18KT 5SM BR OVC008 07/06 A2977 RMK AO2 CIG 006V012 |
| 00:52 CST |  Overcast | 7°C / 45°F | 5°C / 41°F | 87% | 1008 mb (29.77 in) | SSW 24 kph (SSW 15 mph) | - | 7SM |
| | KSPI 250652Z AUTO 24013G20KT 7SM OVC010 07/05 A2977 RMK AO2 CIG 006V013 SLP081 T00720050 |
| 00:23 CST |  Overcast | 7°C / 45°F | 5°C / 41°F | 87% | 1008 mb (29.77 in) | SSW 26 kph (SSW 16.1 mph) | - | 10SM |
| | KSPI 250623Z AUTO 24014G21KT 10SM OVC012 07/05 A2978 RMK AO2 |