| 10:52 CST |  Mostly Cloudy | 13°C / 55°F | 7°C / 45°F | 67% | 1008 mb (29.77 in) | SSW 17 kph (SSW 10.4 mph) | - | 10SM |
| | KSPI 291652Z 24009KT 10SM SCT080 BKN095 13/07 A2978 RMK AO2 SLP084 T01280067 |
| 09:52 CST |  Overcast | 12°C / 54°F | 6°C / 43°F | 67% | 1009 mb (29.8 in) | SW 11 kph (SW 6.9 mph) | - | 10SM |
| | KSPI 291552Z 22006KT 10SM BKN055 OVC070 12/06 A2980 RMK AO2 SLP090 T01170056 |
| 08:52 CST |  Overcast | 11°C / 52°F | 5°C / 41°F | 67% | 1008 mb (29.77 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KSPI 291452Z 21007KT 10SM OVC060 11/05 A2978 RMK AO2 SLP086 T01110050 50002 |
| 07:52 CST |  Mostly Cloudy | 10°C / 50°F | 4°C / 39°F | 67% | 1009 mb (29.8 in) | SW 13 kph (SW 8.1 mph) | - | 10SM |
| | KSPI 291352Z 21007KT 10SM BKN080 10/04 A2979 RMK AO2 SLP087 T01000044 |
| 06:52 CST |  Partly Cloudy | 10°C / 50°F | 4°C / 39°F | 67% | 1008 mb (29.77 in) | SSE 17 kph (SSE 10.4 mph) | - | 10SM |
| | KSPI 291252Z 20009KT 10SM FEW075 10/04 A2978 RMK AO2 SLP086 T01000039 |
| 05:52 CST |  Clear | 10°C / 50°F | 4°C / 39°F | 67% | 1008 mb (29.77 in) | SSE 17 kph (SSE 10.4 mph) | - | 10SM |
| | KSPI 291152Z 20009KT 10SM CLR 10/04 A2978 RMK AO2 SLP084 T01000039 10106 20089 56004 |
| 04:52 CST |  Clear | 10°C / 50°F | 4°C / 39°F | 67% | 1008 mb (29.77 in) | SSE 19 kph (SSE 11.5 mph) | - | 10SM |
| | KSPI 291052Z AUTO 20010KT 10SM CLR 10/04 A2978 RMK AO2 SLP083 T01000039 |
| 03:52 CST |  Clear | 9°C / 48°F | 4°C / 39°F | 71% | 1008 mb (29.77 in) | S 17 kph (S 10.4 mph) | - | 10SM |
| | KSPI 290952Z AUTO 19009KT 10SM CLR 09/04 A2977 RMK AO2 SLP082 T00940039 |
| 02:52 CST |  Clear | 10°C / 50°F | 4°C / 39°F | 67% | 1009 mb (29.8 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KSPI 290852Z AUTO 21009G17KT 10SM CLR 10/04 A2979 RMK AO2 SLP086 T01000039 56006 |
| 01:52 CST |  Clear | 10°C / 50°F | 4°C / 39°F | 67% | 1009 mb (29.8 in) | SW 17 kph (SW 10.4 mph) | - | 10SM |
| | KSPI 290752Z AUTO 21009KT 10SM CLR 10/04 A2979 RMK AO2 SLP086 T01000039 |
| 00:52 CST |  Clear | 10°C / 50°F | 4°C / 39°F | 67% | 1009 mb (29.8 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KSPI 290652Z AUTO 20008KT 10SM CLR 10/04 A2980 RMK AO2 SLP089 T01000039 |