| 22:12 CST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1004 mb (29.65 in) | NE 35 kph (NE 21.9 mph) | - | 10SM |
| | KDUC 240412Z AUTO 03019G24KT 10SM OVC011 04/02 A2966 RMK AO2 |
| 21:52 CST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1005 mb (29.68 in) | NNE 26 kph (NNE 16.1 mph) | - | 10SM |
| | KDUC 240352Z AUTO 02014G23KT 10SM OVC011 04/02 A2969 RMK AO2 |
| 21:33 CST |  Partly Cloudy | 4°C / 39°F | 2°C / 36°F | 87% | 1006 mb (29.71 in) | NNE 24 kph (NNE 15 mph) | - | 10SM |
| | KDUC 240333Z AUTO 02013G19KT 10SM SCT011 SCT016 04/02 A2970 RMK AO2 LTG DSNT W |
| 21:13 CST |  Partly Cloudy | 4°C / 39°F | 2°C / 36°F | 87% | 1006 mb (29.71 in) | N 26 kph (N 16.1 mph) | - | 10SM |
| | KDUC 240313Z AUTO 01014G20KT 10SM SCT016 04/02 A2970 RMK AO2 |
| 20:52 CST |  Partly Cloudy | 4°C / 39°F | 2°C / 36°F | 87% | 1005 mb (29.68 in) | N 24 kph (N 15 mph) | - | 10SM |
| | KDUC 240252Z AUTO 01013G21KT 10SM SCT016 04/02 A2969 RMK AO2 LTG DSNT SE |
| 20:32 CST |  Mostly Cloudy | 5°C / 41°F | 3°C / 37°F | 87% | 1005 mb (29.68 in) | N 28 kph (N 17.3 mph) | - | 10SM |
| | KDUC 240232Z AUTO 01015G21KT 10SM BKN016 05/03 A2969 RMK AO2 |
| 20:13 CST |  Overcast | 6°C / 43°F | 3°C / 37°F | 81% | 1005 mb (29.68 in) | NNE 26 kph (NNE 16.1 mph) | - | 10SM |
| | KDUC 240213Z AUTO 02014G19KT 10SM OVC016 06/03 A2969 RMK AO2 LTG DSNT E |
| 19:52 CST |  Overcast | 6°C / 43°F | 3°C / 37°F | 81% | 1005 mb (29.68 in) | NNE 35 kph (NNE 21.9 mph) | - | 10SM |
| | KDUC 240152Z AUTO 02019KT 10SM OVC016 06/03 A2969 RMK AO2 |
| 19:32 CST |  Overcast | 7°C / 45°F | 3°C / 37°F | 76% | 1005 mb (29.68 in) | NE 26 kph (NE 16.1 mph) | - | 10SM |
| | KDUC 240132Z AUTO 03014G20KT 10SM OVC014 07/03 A2969 RMK AO2 |
| 19:13 CST |  Overcast | 7°C / 45°F | 3°C / 37°F | 76% | 1005 mb (29.68 in) | NNE 24 kph (NNE 15 mph) | - | 10SM |
| | KDUC 240113Z AUTO 02013G19KT 10SM OVC014 07/03 A2969 RMK AO2 LTG DSNT E |
| 18:52 CST |  Overcast | 7°C / 45°F | 4°C / 39°F | 81% | 1005 mb (29.68 in) | NNE 30 kph (NNE 18.4 mph) | - | 10SM |
| | KDUC 240052Z AUTO 02016G21KT 10SM OVC014 07/04 A2969 RMK AO2 |
| 18:32 CST |  Overcast | 7°C / 45°F | 4°C / 39°F | 81% | 1005 mb (29.68 in) | N 24 kph (N 15 mph) | - | 10SM |
| | KDUC 240032Z AUTO 36013G19KT 10SM OVC014 07/04 A2967 RMK AO2 |
| 18:14 CST |  Overcast | 8°C / 46°F | 4°C / 39°F | 76% | 1005 mb (29.68 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KDUC 240014Z AUTO 01010G19KT 10SM OVC012 08/04 A2967 RMK AO2 |
| 17:53 CST |  Overcast | 8°C / 46°F | 5°C / 41°F | 82% | 1005 mb (29.68 in) | N 19 kph (N 11.5 mph) | - | 10SM |
| | KDUC 232353Z AUTO 01010G14KT 10SM OVC010 08/05 A2967 RMK AO2 |
| 17:34 CST |  Overcast | 8°C / 46°F | 5°C / 41°F | 82% | 1005 mb (29.68 in) | N 28 kph (N 17.3 mph) | - | 7SM |
| | KDUC 232334Z AUTO 01015G20KT 7SM OVC010 08/05 A2967 RMK AO2 |
| 17:12 CST |  Overcast | 8°C / 46°F | 6°C / 43°F | 87% | 1005 mb (29.68 in) | N 15 kph (N 9.2 mph) | - | 7SM |
| | KDUC 232312Z AUTO 36008KT 7SM OVC010 08/06 A2968 RMK AO2 |
| 16:52 CST |  Overcast | 8°C / 46°F | 6°C / 43°F | 87% | 1005 mb (29.68 in) | NNE 19 kph (NNE 11.5 mph) | - | 7SM |
| | KDUC 232252Z AUTO 02010KT 7SM OVC010 08/06 A2967 RMK AO2 |
| 16:32 CST |  Overcast | 9°C / 48°F | 6°C / 43°F | 82% | 1005 mb (29.68 in) | N 19 kph (N 11.5 mph) | - | 7SM |
| | KDUC 232232Z AUTO 35010KT 7SM OVC010 09/06 A2967 RMK AO2 |
| 16:12 CST |  Mostly Cloudy Hazy | 9°C / 48°F | 6°C / 43°F | 82% | 1005 mb (29.68 in) | NNW 17 kph (NNW 10.4 mph) | - | 5SM |
| | KDUC 232212Z AUTO 34009KT 5SM HZ BKN010 09/06 A2967 RMK AO2 |
| 15:52 CST |  Partly Cloudy Hazy | 9°C / 48°F | 6°C / 43°F | 82% | 1005 mb (29.68 in) | N 17 kph (N 10.4 mph) | - | 5SM |
| | KDUC 232152Z AUTO 35009KT 5SM HZ SCT010 09/06 A2967 RMK AO2 |
| 15:32 CST |  Clear | 11°C / 52°F | 7°C / 45°F | 77% | 1004 mb (29.65 in) | N 20 kph (N 12.7 mph) | - | 7SM |
| | KDUC 232132Z AUTO 36011KT 7SM CLR 11/07 A2966 RMK AO2 LTG DSNT NE |
| 15:12 CST |  Clear | 11°C / 52°F | 7°C / 45°F | 77% | 1004 mb (29.65 in) | N 17 kph (N 10.4 mph) | - | 7SM |
| | KDUC 232112Z AUTO 35009KT 7SM CLR 11/07 A2966 RMK AO2 |
| 14:52 CST |  Partly Cloudy | 12°C / 54°F | 7°C / 45°F | 72% | 1004 mb (29.65 in) | NNW 15 kph (NNW 9.2 mph) | - | 7SM |
| | KDUC 232052Z AUTO 34008KT 7SM SCT011 12/07 A2965 RMK AO2 |
| 14:34 CST |  Mostly Cloudy | 12°C / 54°F | 7°C / 45°F | 72% | 1004 mb (29.65 in) | NNW 15 kph (NNW 9.2 mph) | - | 7SM |
| | KDUC 232034Z AUTO 34008KT 7SM BKN009 12/07 A2966 RMK AO2 LTG DSNT E |
| 14:12 CST |  Overcast Hazy | 12°C / 54°F | 8°C / 46°F | 77% | 1004 mb (29.65 in) | N 15 kph (N 9.2 mph) | - | 5SM |
| | KDUC 232012Z AUTO 01008KT 5SM HZ OVC009 12/08 A2966 RMK AO2 |
| 13:52 CST |  Overcast Hazy | 11°C / 52°F | 8°C / 46°F | 82% | 1004 mb (29.65 in) | NNW 19 kph (NNW 11.5 mph) | - | 5SM |
| | KDUC 231952Z AUTO 34010KT 5SM HZ OVC009 11/08 A2966 RMK AO2 |
| 13:32 CST |  Overcast Hazy | 11°C / 52°F | 8°C / 46°F | 82% | 1004 mb (29.65 in) | N 13 kph (N 8.1 mph) | - | 5SM |
| | KDUC 231932Z AUTO 35007KT 5SM HZ OVC007 11/08 A2966 RMK AO2 |
| 13:12 CST |  Overcast Fog And Mist | 11°C / 52°F | 8°C / 46°F | 82% | 1005 mb (29.68 in) | N 20 kph (N 12.7 mph) | - | 3SM |
| | KDUC 231912Z AUTO 35011KT 3SM BR OVC009 11/08 A2967 RMK AO2 |
| 12:52 CST |  Overcast Fog And Mist | 10°C / 50°F | 8°C / 46°F | 88% | 1005 mb (29.68 in) | NW 19 kph (NW 11.5 mph) | - | 4SM |
| | KDUC 231852Z AUTO 32010KT 4SM BR OVC011 10/08 A2969 RMK AO2 |
| 12:33 CST |  Overcast Hazy | 11°C / 52°F | 8°C / 46°F | 82% | 1006 mb (29.71 in) | NW 20 kph (NW 12.7 mph) | - | 4SM |
| | KDUC 231833Z AUTO 32011KT 4SM HZ BKN011 OVC017 11/08 A2970 RMK AO2 LTG DSNT N |
| 12:12 CST |  Overcast | 12°C / 54°F | 9°C / 48°F | 82% | 1006 mb (29.71 in) | NW 15 kph (NW 9.2 mph) | - | 7SM |
| | KDUC 231812Z AUTO 30008KT 7SM BKN013 OVC017 12/09 A2970 RMK AO2 |
| 11:52 CST |  Overcast | 14°C / 57°F | 11°C / 52°F | 82% | 1006 mb (29.71 in) | WNW 11 kph (WNW 6.9 mph) | - | 7SM |
| | KDUC 231752Z AUTO 29006KT 7SM SCT013 BKN019 OVC023 14/11 A2970 RMK AO2 |
| 11:32 CST |  Mostly Cloudy | 14°C / 57°F | 12°C / 54°F | 88% | 1006 mb (29.71 in) | W 7 kph (W 4.6 mph) | - | 7SM |
| | KDUC 231732Z AUTO 28004KT 7SM BKN011 BKN025 BKN030 14/12 A2971 RMK AO2 LTG DSNT E |
| 11:12 CST |  Overcast Fog And Mist | 13°C / 55°F | 12°C / 54°F | 94% | 1006 mb (29.71 in) | Calm | - | 5SM |
| | KDUC 231712Z AUTO 00000KT 5SM BR BKN009 BKN025 OVC030 13/12 A2972 RMK AO2 |
| 10:52 CST |  Overcast Fog And Mist | 12°C / 54°F | 11°C / 52°F | 94% | 1006 mb (29.71 in) | Calm | - | 5SM |
| | KDUC 231652Z AUTO 00000KT 5SM BR BKN007 OVC012 12/11 A2972 RMK AO2 |
| 10:32 CST |  Overcast Fog And Mist | 12°C / 54°F | 11°C / 52°F | 94% | 1006 mb (29.71 in) | Calm | - | 4SM |
| | KDUC 231632Z AUTO 00000KT 4SM BR OVC007 12/11 A2972 RMK AO2 |
| 10:11 CST |  Mostly Cloudy Fog And Mist | 12°C / 54°F | 11°C / 52°F | 94% | 1007 mb (29.74 in) | Calm | - | 4SM |
| | KDUC 231611Z AUTO 00000KT 4SM BR BKN002 BKN007 BKN019 12/11 A2973 RMK AO2 |
| 09:52 CST |  Overcast Fog And Mist | 11°C / 52°F | 11°C / 52°F | 100% | 1006 mb (29.71 in) | E 7 kph (E 4.6 mph) | - | 3SM |
| | KDUC 231552Z AUTO 10004KT 3SM BR OVC002 11/11 A2972 RMK AO2 |
| 09:31 CST |  Overcast Fog And Mist | 11°C / 52°F | 9°C / 48°F | 88% | 1006 mb (29.71 in) | E 7 kph (E 4.6 mph) | - | 5SM |
| | KDUC 231531Z AUTO 10004KT 5SM BR OVC002 11/09 A2972 RMK AO2 |
| 09:12 CST |  Overcast Fog And Mist | 10°C / 50°F | 9°C / 48°F | 94% | 1006 mb (29.71 in) | Calm | - | 5SM |
| | KDUC 231512Z AUTO 00000KT 5SM BR OVC002 10/09 A2971 RMK AO2 |
| 08:51 CST |  Overcast Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1006 mb (29.71 in) | Calm | - | 4SM |
| | KDUC 231451Z AUTO 00000KT 4SM BR OVC004 09/08 A2972 RMK AO2 LTG DSNT NE |
| 08:33 CST |  Overcast Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1007 mb (29.74 in) | NW 6 kph (NW 3.5 mph) | - | 4SM |
| | KDUC 231433Z AUTO 31003KT 4SM BR BKN006 OVC050 09/08 A2973 RMK AO2 LTG DSNT NE |
| 08:12 CST |  Overcast Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1006 mb (29.71 in) | Calm | - | 5SM |
| | KDUC 231412Z AUTO 00000KT 5SM BR BKN006 BKN037 OVC050 09/08 A2972 RMK AO2 LTG DSNT NE |
| 07:52 CST |  Overcast Fog And Mist | 9°C / 48°F | 8°C / 46°F | 94% | 1007 mb (29.74 in) | Calm | - | 5SM |
| | KDUC 231352Z AUTO 00000KT 5SM BR OVC006 09/08 A2973 RMK AO2 LTG DSNT NE |
| 07:32 CST |  Overcast Fog And Mist | 8°C / 46°F | 8°C / 46°F | 100% | 1007 mb (29.74 in) | N 9 kph (N 5.8 mph) | - | 5SM |
| | KDUC 231332Z AUTO 01005KT 5SM BR OVC006 08/08 A2973 RMK AO2 |
| 07:12 CST |  Overcast Light Rain | 9°C / 48°F | 8°C / 46°F | 94% | 1007 mb (29.74 in) | NW 9 kph (NW 5.8 mph) | - | 7SM |
| | KDUC 231312Z AUTO 31005KT 7SM -RA OVC006 09/08 A2973 RMK AO2 |
| 06:52 CST |  Overcast | 9°C / 48°F | 9°C / 48°F | 100% | 1006 mb (29.71 in) | NNW 15 kph (NNW 9.2 mph) | - | 7SM |
| | KDUC 231252Z AUTO 33008G17KT 7SM BKN004 OVC013 09/09 A2972 RMK AO2 |
| 06:32 CST |  Overcast Fog And Mist | 12°C / 54°F | 12°C / 54°F | 100% | 1006 mb (29.71 in) | Calm | - | 4SM |
| | KDUC 231232Z AUTO 00000KT 4SM BR SCT004 OVC013 12/12 A2971 RMK AO2 |
| 06:12 CST |  Overcast Fog And Mist | 13°C / 55°F | 12°C / 54°F | 94% | 1006 mb (29.71 in) | Calm | - | 4SM |
| | KDUC 231212Z AUTO 00000KT 4SM BR SCT004 BKN013 OVC035 13/12 A2971 RMK AO2 LTG DSNT E |
| 05:52 CST |  Overcast Fog And Mist | 13°C / 55°F | 13°C / 55°F | 100% | 1006 mb (29.71 in) | S 7 kph (S 4.6 mph) | - | 5SM |
| | KDUC 231152Z AUTO 18004KT 5SM BR SCT004 BKN016 OVC025 13/13 A2970 RMK AO2 LTG DSNT NE |
| 05:32 CST |  Overcast Fog And Mist | 13°C / 55°F | 13°C / 55°F | 100% | 1006 mb (29.71 in) | S 6 kph (S 3.5 mph) | - | 5SM |
| | KDUC 231132Z AUTO 18003KT 5SM BR SCT018 OVC025 13/13 A2970 RMK AO2 |
| 05:12 CST |  Overcast | 13°C / 55°F | 13°C / 55°F | 100% | 1005 mb (29.68 in) | SSE 11 kph (SSE 6.9 mph) | - | 7SM |
| | KDUC 231112Z AUTO 15006KT 7SM OVC024 13/13 A2969 RMK AO2 LTG DSNT NE AND E |
| 04:53 CST |  Overcast | 13°C / 55°F | 13°C / 55°F | 100% | 1005 mb (29.68 in) | SSE 15 kph (SSE 9.2 mph) | - | 7SM |
| | KDUC 231053Z AUTO 15008KT 7SM OVC026 13/13 A2969 RMK AO2 LTG DSNT NE AND E |
| 04:32 CST |  Overcast | 13°C / 55°F | 13°C / 55°F | 100% | 1006 mb (29.71 in) | S 13 kph (S 8.1 mph) | - | 7SM |
| | KDUC 231032Z AUTO 17007KT 7SM OVC024 13/13 A2970 RMK AO2 LTG DSNT SE |
| 04:12 CST |  Overcast | 13°C / 55°F | 13°C / 55°F | 100% | 1005 mb (29.68 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KDUC 231012Z AUTO 16008KT 10SM OVC024 13/13 A2969 RMK AO2 LTG DSNT E |
| 03:52 CST |  Overcast | 13°C / 55°F | 13°C / 55°F | 100% | 1006 mb (29.71 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KDUC 230952Z AUTO 16006KT 10SM OVC024 13/13 A2970 RMK AO2 |
| 03:32 CST |  Overcast | 12°C / 54°F | 12°C / 54°F | 100% | 1006 mb (29.71 in) | SSE 11 kph (SSE 6.9 mph) | - | 7SM |
| | KDUC 230932Z AUTO 16006KT 7SM OVC022 12/12 A2970 RMK AO2 LTG DSNT NE |
| 03:12 CST |  Mostly Cloudy | 12°C / 54°F | 12°C / 54°F | 100% | 1006 mb (29.71 in) | Calm | - | 7SM |
| | KDUC 230912Z AUTO 00000KT 7SM BKN022 12/12 A2971 RMK AO2 LTG DSNT NE |
| 02:52 CST |  Partly Cloudy | 12°C / 54°F | 12°C / 54°F | 100% | 1006 mb (29.71 in) | SSE 6 kph (SSE 3.5 mph) | - | 10SM |
| | KDUC 230852Z AUTO 15003KT 10SM SCT022 12/12 A2970 RMK AO2 LTG DSNT SE |
| 02:32 CST |  Clear | 13°C / 55°F | 12°C / 54°F | 94% | 1006 mb (29.71 in) | SSE 9 kph (SSE 5.8 mph) | - | 10SM |
| | KDUC 230832Z AUTO 15005KT 10SM CLR 13/12 A2970 RMK AO2 |
| 02:12 CST |  Clear | 13°C / 55°F | 12°C / 54°F | 94% | 1006 mb (29.71 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KDUC 230812Z AUTO 15006KT 10SM CLR 13/12 A2970 RMK AO2 |
| 01:52 CST |  Clear | 13°C / 55°F | 12°C / 54°F | 94% | 1006 mb (29.71 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KDUC 230752Z AUTO 15006KT 10SM CLR 13/12 A2970 RMK AO2 LTG DSNT SE |
| 01:32 CST |  Clear | 13°C / 55°F | 12°C / 54°F | 94% | 1006 mb (29.71 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KDUC 230732Z AUTO 15006KT 10SM CLR 13/12 A2970 RMK AO2 |
| 01:11 CST |  Clear | 13°C / 55°F | 13°C / 55°F | 100% | 1006 mb (29.71 in) | SSE 13 kph (SSE 8.1 mph) | - | 10SM |
| | KDUC 230711Z AUTO 16007KT 10SM CLR 13/13 A2970 RMK AO2 |
| 00:52 CST |  Clear | 13°C / 55°F | 13°C / 55°F | 100% | 1006 mb (29.71 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KDUC 230652Z AUTO 16006KT 10SM CLR 13/13 A2970 RMK AO2 |
| 00:31 CST |  Clear | 13°C / 55°F | 13°C / 55°F | 100% | 1006 mb (29.71 in) | SSE 15 kph (SSE 9.2 mph) | - | 10SM |
| | KDUC 230631Z AUTO 15008KT 10SM CLR 13/13 A2970 RMK AO2 |
| 00:11 CST |  Clear | 13°C / 55°F | 13°C / 55°F | 100% | 1006 mb (29.71 in) | SSE 11 kph (SSE 6.9 mph) | - | 10SM |
| | KDUC 230611Z AUTO 15006KT 10SM CLR 13/13 A2971 RMK AO2 |