| 20:52 CST |  Clear | -4°C / 25°F | -7°C / 19°F | 80% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KISN 290252Z 00000KT 10SM CLR M04/M07 A3002 RMK AO2 SLP195 T10441072 58003 |
| 19:52 CST |  Clear | -4°C / 25°F | -6°C / 21°F | 86% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KISN 290152Z 00000KT 10SM CLR M04/M06 A3003 RMK AO2 SLP195 T10391061 |
| 18:52 CST |  Clear | -8°C / 18°F | -9°C / 16°F | 93% | 1017 mb (30.03 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KISN 290052Z 29004KT 10SM CLR M08/M09 A3003 RMK AO2 SLP200 T10781089 |
| 18:25 CST |  Partly Cloudy | -6°C / 21°F | -7°C / 19°F | 93% | 1017 mb (30.03 in) | Calm | - | 10SM |
| | KISN 290025Z 00000KT 10SM SCT026 M06/M07 A3004 RMK AO2 |
| 17:52 CST |  Mostly Cloudy | -3°C / 27°F | -6°C / 21°F | 80% | 1017 mb (30.03 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KISN 282352Z 30004KT 10SM BKN026 M03/M06 A3003 RMK AO2 SLP196 T10331061 10033 21033 51007 |
| 17:25 CST |  Partly Cloudy | -1°C / 30°F | -5°C / 23°F | 75% | 1017 mb (30.03 in) | WNW 9 kph (WNW 5.8 mph) | - | 10SM |
| | KISN 282325Z 29005KT 10SM SCT026 M01/M05 A3003 RMK AO2 |
| 16:52 CST |  Overcast | 1°C / 34°F | -4°C / 25°F | 70% | 1017 mb (30.03 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KISN 282252Z 28008KT 10SM OVC026 01/M04 A3003 RMK AO2 SLP191 T00111039 |
| 15:52 CST |  Overcast | 2°C / 36°F | -3°C / 27°F | 70% | 1017 mb (30.03 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KISN 282152Z 30010KT 10SM OVC024 02/M03 A3002 RMK AO2 SLP188 T00171033 |
| 14:52 CST |  Overcast | 2°C / 36°F | -4°C / 25°F | 65% | 1017 mb (30.03 in) | NW 20 kph (NW 12.7 mph) | - | 10SM |
| | KISN 282052Z 31011G20KT 10SM OVC024 02/M04 A3002 RMK AO2 SLP186 T00171039 53001 |
| 14:32 CST |  Mostly Cloudy | 2°C / 36°F | -4°C / 25°F | 65% | 1016 mb (30 in) | NW 28 kph (NW 17.3 mph) | - | 10SM |
| | KISN 282032Z 30015KT 10SM BKN024 02/M04 A3001 RMK AO2 |
| 13:52 CST |  Clear | 3°C / 37°F | -3°C / 27°F | 65% | 1016 mb (30 in) | W 26 kph (W 16.1 mph) | - | 10SM |
| | KISN 281952Z 28014G19KT 10SM CLR 03/M03 A3001 RMK AO2 SLP184 T00281033 |
| 12:52 CST |  Clear | 3°C / 37°F | -3°C / 27°F | 65% | 1016 mb (30 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KISN 281852Z 30012KT 10SM CLR 03/M03 A3001 RMK AO2 SLP184 T00281028 |
| 11:52 CST |  Mostly Cloudy | 1°C / 34°F | -3°C / 27°F | 75% | 1016 mb (30 in) | NW 22 kph (NW 13.8 mph) | - | 10SM |
| | KISN 281752Z 30012KT 10SM BKN055 01/M03 A3001 RMK AO2 SLP185 60000 T00111028 10017 20006 50009 |
| 10:52 CST |  Overcast | 1°C / 34°F | -2°C / 28°F | 81% | 1017 mb (30.03 in) | NNW 22 kph (NNW 13.8 mph) | - | 10SM |
| | KISN 281652Z 33012KT 10SM OVC060 01/M02 A3002 RMK AO2 SLP187 T00111017 |
| 09:52 CST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1016 mb (30 in) | NNW 15 kph (NNW 9.2 mph) | 0.00 mm (0.00 in) | 9SM |
| | KISN 281552Z 33008KT 9SM OVC043 01/M01 A3000 RMK AO2 SNB35E48 SLP183 P0000 T00061011 |
| 08:52 CST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1015 mb (29.97 in) | ENE 6 kph (ENE 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KISN 281452Z 06003KT 10SM OVC033 01/M01 A2998 RMK AO2 SNE23 SLP175 P0000 60000 T00111006 51022 |
| 07:52 CST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1015 mb (29.97 in) | N 7 kph (N 4.6 mph) | 0.00 mm (0.00 in) | 5SM |
| | KISN 281352Z 35004KT 5SM -SN BR FEW013 SCT023 OVC042 01/00 A2996 RMK AO2 SLP169 SNB08RAE24 P0000 T00110000 |
| 07:27 CST |  Overcast Light Snow | 1°C / 34°F | 0°C / 32°F | 93% | 1014 mb (29.94 in) | N 15 kph (N 9.2 mph) | 0.00 mm (0.00 in) | 10SM |
| | KISN 281327Z 35008KT 10SM -SN SCT024 BKN035 OVC044 01/00 A2995 RMK AO2 SNB08RAE24 P0000 |
| 06:52 CST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1014 mb (29.94 in) | NNW 20 kph (NNW 12.7 mph) | 0.00 mm (0.00 in) | 10SM |
| | KISN 281252Z 33011KT 10SM -RA FEW017 OVC024 02/01 A2994 RMK AO2 RAE15B32 SLP159 P0000 T00170006 |
| 06:40 CST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1014 mb (29.94 in) | NNW 13 kph (NNW 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KISN 281240Z 33007KT 10SM -RA SCT012 OVC022 02/01 A2993 RMK AO2 RAE15B32 P0000 |
| 06:17 CST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1014 mb (29.94 in) | NNW 13 kph (NNW 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KISN 281217Z 34007KT 10SM BKN010 OVC023 02/01 A2993 RMK AO2 RAE15 P0000 |
| 06:04 CST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1013 mb (29.91 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KISN 281204Z 35007KT 10SM -RA SCT008 OVC023 02/01 A2992 RMK AO2 P0000 |
| 05:52 CST |  Overcast Light Rain | 2°C / 36°F | 1°C / 34°F | 93% | 1013 mb (29.91 in) | N 13 kph (N 8.1 mph) | 0.00 mm (0.00 in) | 10SM |
| | KISN 281152Z 35007KT 10SM -RA BKN008 OVC021 02/01 A2991 RMK AO2 RAB48 CIG 007V011 SLP151 P0000 60000 T00170006 10022 21011 53012 |
| 05:40 CST |  Overcast | 2°C / 36°F | 1°C / 34°F | 93% | 1013 mb (29.91 in) | NNW 6 kph (NNW 3.5 mph) | - | 10SM |
| | KISN 281140Z 34003KT 10SM BKN008 OVC019 02/01 A2991 RMK AO2 |
| 05:31 CST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KISN 281131Z 00000KT 10SM BKN010 OVC019 02/00 A2991 RMK AO2 |
| 05:21 CST |  Overcast | 2°C / 36°F | 0°C / 32°F | 87% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KISN 281121Z 00000KT 10SM SCT010 OVC019 02/00 A2990 RMK AO2 |
| 04:52 CST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KISN 281052Z 00000KT 10SM OVC010 01/M01 A2989 RMK AO2 SLP147 T00061011 |
| 03:52 CST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KISN 280952Z 00000KT 10SM BKN010 BKN016 OVC038 01/M01 A2988 RMK AO2 SLP140 T00061006 |
| 03:44 CST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KISN 280944Z 00000KT 10SM SCT011 BKN016 OVC038 01/M01 A2988 RMK AO2 |
| 03:37 CST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1012 mb (29.88 in) | W 6 kph (W 3.5 mph) | - | 10SM |
| | KISN 280937Z 27003KT 10SM FEW009 SCT016 OVC038 01/M01 A2988 RMK AO2 |
| 02:52 CST |  Overcast | 1°C / 34°F | -1°C / 30°F | 87% | 1012 mb (29.88 in) | NW 6 kph (NW 3.5 mph) | - | 10SM |
| | KISN 280852Z 30003KT 10SM SCT010 OVC038 01/M01 A2988 RMK AO2 SLP138 T00061011 53013 |
| 01:52 CST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1011 mb (29.85 in) | Calm | - | 10SM |
| | KISN 280752Z 00000KT 10SM FEW055 OVC100 M01/M02 A2985 RMK AO2 SLP127 T10061022 |
| 00:52 CST |  Overcast | 0°C / 32°F | -2°C / 28°F | 87% | 1010 mb (29.83 in) | Calm | - | 10SM |
| | KISN 280652Z 00000KT 10SM OVC095 00/M02 A2984 RMK AO2 SLP124 T00001022 |