| 07:52 CST | 
Overcast | -3°C / 27°F | -9°C / 16°F | 64% | 1024 mb
(30.24 in) | W 17 kph
(W 10.4 mph) | - | 10SM |
| | KSPI 041352Z 27009KT 10SM OVC033 M03/M09 A3024
RMK AO2 SLP246 T10331094 |
| 06:52 CST |
Overcast | -3°C / 27°F | -9°C / 16°F | 64% | 1024 mb
(30.24 in) | W 13 kph
(W 8.1 mph) | - | 10SM |
| | KSPI 041252Z 28007KT 10SM OVC033 M03/M09 A3023
RMK AO2 SLP243 T10331094 |
| 05:52 CST | 
Mostly Cloudy | -4°C / 25°F | -9°C / 16°F | 69% | 1023 mb
(30.21 in) | W 11 kph
(W 6.9 mph) | - | 10SM |
| | KSPI 041152Z 27006KT 10SM BKN035 M04/M09 A3022
RMK AO2 SLP240 T10441089 11017 21056 53005 |
| 04:52 CST |
Overcast | -4°C / 25°F | -8°C / 18°F | 74% | 1023 mb
(30.21 in) | SSW 7 kph
(SSW 4.6 mph) | - | 10SM |
| | KSPI 041052Z 24004KT 10SM OVC035 M04/M08 A3021
RMK AO2 SLP237 T10441078 |
| 03:52 CST | 
Partly Cloudy | -6°C / 21°F | -8°C / 18°F | 86% | 1023 mb
(30.21 in) | SSW 11 kph
(SSW 6.9 mph) | - | 10SM |
| | KSPI 040952Z 24006KT 10SM FEW035 M06/M08 A3021
RMK AO2 SLP236 T10561083 |
| 02:52 CST | 
Clear | -5°C / 23°F | -9°C / 16°F | 74% | 1023 mb
(30.21 in) | W 11 kph
(W 6.9 mph) | - | 10SM |
| | KSPI 040852Z 27006KT 10SM CLR M05/M09 A3021
RMK AO2 SLP235 T10501089 53005 |
| 01:52 CST |
Clear | -3°C / 27°F | -9°C / 16°F | 64% | 1023 mb
(30.21 in) | W 15 kph
(W 9.2 mph) | - | 10SM |
| | KSPI 040752Z 28008KT 10SM CLR M03/M09 A3020
RMK AO2 SLP233 T10331094 |
| 00:52 CST |
Mostly Cloudy | -2°C / 28°F | -9°C / 16°F | 59% | 1022 mb
(30.18 in) | WNW 19 kph
(WNW 11.5 mph) | - | 10SM |
| | KSPI 040652Z 29010KT 10SM BKN037 M02/M09 A3019
RMK AO2 SLP228 T10221094 |
