| 23:51 CST |  Mostly Cloudy | 3°C / 37°F | -2°C / 28°F | 70% | 1014 mb (29.94 in) | NNW 22 kph (NNW 13.8 mph) | - | 10SM |
| | KMDW 300551Z 33012KT 10SM BKN040 03/M02 A2995 RMK AO2 SLP147 T00281017 10050 20028 400720017 51012 $ |
| 22:51 CST |  Mostly Cloudy | 3°C / 37°F | -1°C / 30°F | 75% | 1014 mb (29.94 in) | NNW 19 kph (NNW 11.5 mph) | - | 10SM |
| | KMDW 300451Z 33010KT 10SM FEW020 BKN040 03/M01 A2993 RMK AO2 SLP143 T00331011 $ |
| 21:51 CST |  Overcast | 4°C / 39°F | -1°C / 30°F | 70% | 1013 mb (29.91 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KMDW 300351Z 32013G17KT 10SM SCT023 OVC038 04/M01 A2992 RMK AO2 SLP140 T00391006 $ |
| 20:51 CST |  Overcast | 4°C / 39°F | 0°C / 32°F | 75% | 1013 mb (29.91 in) | NNW 24 kph (NNW 15 mph) | - | 10SM |
| | KMDW 300251Z 34013KT 10SM SCT021 OVC030 04/00 A2991 RMK AO2 SLP136 T00390000 51017 $ |
| 20:44 CST |  Overcast | 4°C / 39°F | 0°C / 32°F | 75% | 1013 mb (29.91 in) | NW 24 kph (NW 15 mph) | - | 10SM |
| | KMDW 300244Z 32013G21KT 10SM SCT021 OVC030 04/00 A2991 RMK AO2 $ |
| 19:51 CST |  Overcast | 4°C / 39°F | 1°C / 34°F | 81% | 1013 mb (29.91 in) | NNW 20 kph (NNW 12.7 mph) | - | 9SM |
| | KMDW 300151Z 33011KT 9SM BKN026 OVC031 04/01 A2990 RMK AO2 SLP131 T00440006 $ |
| 18:51 CST |  Overcast | 4°C / 39°F | 1°C / 34°F | 81% | 1012 mb (29.88 in) | NNW 17 kph (NNW 10.4 mph) | - | 10SM |
| | KMDW 300051Z 34009KT 10SM OVC024 04/01 A2988 RMK AO2 SLP125 T00440006 $ |
| 17:51 CST |  Overcast | 5°C / 41°F | 1°C / 34°F | 76% | 1011 mb (29.85 in) | NNW 20 kph (NNW 12.7 mph) | - | 9SM |
| | KMDW 292351Z 33011G18KT 9SM OVC024 05/01 A2986 RMK AO2 SLP118 60001 T00500006 10072 20050 53029 $ |
| 16:51 CST |  Overcast | 5°C / 41°F | 2°C / 36°F | 81% | 1010 mb (29.83 in) | NNW 24 kph (NNW 15 mph) | - | 7SM |
| | KMDW 292251Z 34013KT 7SM OVC018 05/02 A2983 RMK AO2 SLP108 T00500017 $ |
| 16:12 CST |  Overcast Hazy | 6°C / 43°F | 3°C / 37°F | 81% | 1009 mb (29.8 in) | N 13 kph (N 8.1 mph) | - | 6SM |
| | KMDW 292212Z 36007KT 6SM HZ BKN021 OVC027 06/03 A2981 RMK AO2 $ |
| 15:51 CST |  Overcast | 6°C / 43°F | 3°C / 37°F | 81% | 1009 mb (29.8 in) | NNW 20 kph (NNW 12.7 mph) | 0.00 mm (0.00 in) | 8SM |
| | KMDW 292151Z 34011KT 8SM BKN012 OVC018 06/03 A2980 RMK AO2 RAE06 SLP097 P0000 T00610028 $ |
| 14:51 CST |  Overcast Light Rain | 6°C / 43°F | 4°C / 39°F | 87% | 1008 mb (29.77 in) | NNW 20 kph (NNW 12.7 mph) | 0.25 mm (0.01 in) | 5SM |
| | KMDW 292051Z 34011KT 5SM -RA BKN010 OVC014 06/04 A2977 RMK AO2 RAB15 SLP089 P0001 60001 T00610044 53010 $ |
| 14:24 CST |  Overcast Light Rain | 6°C / 43°F | 4°C / 39°F | 87% | 1008 mb (29.77 in) | NNW 19 kph (NNW 11.5 mph) | 0.00 mm (0.00 in) | 5SM |
| | KMDW 292024Z 34010KT 5SM -RA OVC010 06/04 A2977 RMK AO2 RAB15 CIG 007V013 P0000 $ |
| 13:51 CST |  Overcast Fog And Mist | 6°C / 43°F | 4°C / 39°F | 87% | 1007 mb (29.74 in) | N 15 kph (N 9.2 mph) | 0.00 mm (0.00 in) | 4SM |
| | KMDW 291951Z 36008KT 4SM BR OVC006 06/04 A2975 RMK AO2 RAB33E45 SLP081 P0000 T00610044 $ |
| 13:09 CST |  Overcast Fog And Mist | 7°C / 45°F | 5°C / 41°F | 87% | 1007 mb (29.74 in) | N 15 kph (N 9.2 mph) | - | 3SM |
| | KMDW 291909Z 01008KT 3SM BR OVC006 07/05 A2974 RMK AO2 $ |
| 12:51 CST |  Overcast Fog And Mist | 7°C / 45°F | 6°C / 43°F | 93% | 1007 mb (29.74 in) | N 19 kph (N 11.5 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KMDW 291851Z 01010KT 2 1/2SM BR BKN006 OVC014 07/06 A2973 RMK AO2 RAE23 SLP074 P0000 T00670056 $ |
| 11:51 CST |  Overcast Light Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1007 mb (29.74 in) | NNW 11 kph (NNW 6.9 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KMDW 291751Z 34006KT 2 1/2SM -RA BR OVC006 07/06 A2974 RMK AO2 RAB14 SLP077 P0001 60001 T00720061 10072 20017 55001 $ |
| 11:16 CST |  Overcast Light Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1007 mb (29.74 in) | NW 9 kph (NW 5.8 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KMDW 291716Z 30005KT 2 1/2SM -RA BR OVC006 07/06 A2975 RMK AO2 RAB14 CIG 005V009 P0000 $ |
| 10:51 CST |  Overcast Fog And Mist | 7°C / 45°F | 6°C / 43°F | 93% | 1007 mb (29.74 in) | NW 7 kph (NW 4.6 mph) | - | 3SM |
| | KMDW 291651Z 30004KT 3SM BR BKN006 OVC012 07/06 A2974 RMK AO2 SLP077 T00670056 $ |
| 10:04 CST |  Overcast Fog And Mist | 6°C / 43°F | 4°C / 39°F | 87% | 1007 mb (29.74 in) | Calm | - | 4SM |
| | KMDW 291604Z 00000KT 4SM BR BKN006 BKN012 OVC065 06/04 A2973 RMK AO2 $ |
| 09:51 CST |  Overcast Fog And Mist | 6°C / 43°F | 4°C / 39°F | 87% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 4SM |
| | KMDW 291551Z 00000KT 4SM BR FEW006 BKN012 OVC060 06/04 A2974 RMK AO2 RAE38 SLP077 P0000 T00560044 $ |
| 09:10 CST |  Overcast Light Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1007 mb (29.74 in) | Calm | 0.00 mm (0.00 in) | 5SM |
| | KMDW 291510Z 00000KT 5SM -RA BR SCT008 BKN012 OVC060 05/04 A2974 RMK AO2 P0000 $ |
| 08:58 CST |  Overcast Light Rain | 5°C / 41°F | 4°C / 39°F | 93% | 1007 mb (29.74 in) | WNW 11 kph (WNW 6.9 mph) | 0.00 mm (0.00 in) | 5SM |
| | KMDW 291458Z 29006KT 5SM -RA BR SCT008 BKN060 OVC075 05/04 A2975 RMK AO2 P0000 $ |
| 08:51 CST |  Overcast Light Rain | 6°C / 43°F | 4°C / 39°F | 87% | 1007 mb (29.74 in) | WNW 9 kph (WNW 5.8 mph) | 0.00 mm (0.00 in) | 5SM |
| | KMDW 291451Z 29005KT 5SM -RA BR SCT060 BKN075 OVC090 06/04 A2975 RMK AO2 RAB47 SLP078 P0000 60000 T00560039 53010 $ |
| 07:51 CST |  Overcast Fog And Mist | 4°C / 39°F | 3°C / 37°F | 93% | 1007 mb (29.74 in) | NNW 6 kph (NNW 3.5 mph) | - | 6SM |
| | KMDW 291351Z 33003KT 6SM BR SCT080 BKN100 OVC200 04/03 A2974 RMK AO2 SLP076 T00390028 $ |
| 06:51 CST |  Mostly Cloudy | 3°C / 37°F | 2°C / 36°F | 93% | 1006 mb (29.71 in) | Calm | - | 7SM |
| | KMDW 291251Z 00000KT 7SM FEW110 BKN150 BKN200 03/02 A2972 RMK AO2 SLP070 T00330022 $ |
| 05:51 CST |  Overcast | 3°C / 37°F | 2°C / 36°F | 93% | 1006 mb (29.71 in) | S 6 kph (S 3.5 mph) | - | 7SM |
| | KMDW 291151Z 17003KT 7SM FEW150 OVC200 03/02 A2971 RMK AO2 SLP067 T00330022 10050 20017 58009 $ |
| 04:51 CST |  Mostly Cloudy | 3°C / 37°F | 2°C / 36°F | 93% | 1007 mb (29.74 in) | Calm | - | 7SM |
| | KMDW 291051Z 00000KT 7SM BKN200 03/02 A2973 RMK AO2 SLP073 T00280022 $ |
| 03:51 CST |  Mostly Cloudy | 3°C / 37°F | 2°C / 36°F | 93% | 1007 mb (29.74 in) | Calm | - | 7SM |
| | KMDW 290951Z 00000KT 7SM BKN200 03/02 A2974 RMK AO2 SLP073 T00330022 $ |
| 02:51 CST |  Partly Cloudy | 3°C / 37°F | 2°C / 36°F | 93% | 1007 mb (29.74 in) | SSE 6 kph (SSE 3.5 mph) | - | 8SM |
| | KMDW 290851Z 16003KT 8SM FEW250 03/02 A2974 RMK AO2 SLP075 T00330022 56008 $ |
| 01:51 CST |  Partly Cloudy | 4°C / 39°F | 3°C / 37°F | 93% | 1007 mb (29.74 in) | Calm | - | 9SM |
| | KMDW 290751Z 00000KT 9SM SCT250 04/03 A2975 RMK AO2 SLP078 T00440028 $ |
| 00:51 CST |  Partly Cloudy | 4°C / 39°F | 2°C / 36°F | 87% | 1007 mb (29.74 in) | Calm | - | 10SM |
| | KMDW 290651Z 00000KT 10SM SCT250 04/02 A2975 RMK AO2 SLP080 T00390022 $ |