| 16:21 CST |  Overcast Fog And Mist | 3°C / 37°F | 3°C / 37°F | 100% | 995 mb (29.38 in) | S 6 kph (S 3.5 mph) | - | 1SM |
| | KCNU 082221Z AUTO 17003KT 1SM BR OVC002 03/03 A2938 RMK AO2 |
| 16:11 CST |  Overcast Fog And Mist | 3°C / 37°F | 3°C / 37°F | 100% | 995 mb (29.38 in) | SE 9 kph (SE 5.8 mph) | - | 3/4SM |
| | KCNU 082211Z AUTO 13005KT 3/4SM BR OVC002 03/03 A2937 RMK AO2 |
| 15:58 CST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 995 mb (29.38 in) | SE 9 kph (SE 5.8 mph) | - | 1SM |
| | KCNU 082158Z AUTO 13005KT 1SM BR OVC002 03/02 A2938 RMK AO2 |
| 15:52 CST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 995 mb (29.38 in) | SE 11 kph (SE 6.9 mph) | - | 1 1/4SM |
| | KCNU 082152Z AUTO 14006KT 1 1/4SM BR OVC004 03/02 A2938 RMK AO2 SLP954 T00330022 |
| 15:49 CST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 995 mb (29.38 in) | SE 9 kph (SE 5.8 mph) | - | 1 1/2SM |
| | KCNU 082149Z AUTO 14005KT 1 1/2SM BR OVC004 03/02 A2938 RMK AO2 |
| 15:27 CST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 995 mb (29.38 in) | SE 11 kph (SE 6.9 mph) | - | 1SM |
| | KCNU 082127Z AUTO 14006KT 1SM BR OVC004 03/02 A2939 RMK AO2 PRESFR |
| 15:22 CST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 996 mb (29.41 in) | SSE 9 kph (SSE 5.8 mph) | - | 1 1/2SM |
| | KCNU 082122Z AUTO 15005KT 1 1/2SM BR OVC004 03/02 A2940 RMK AO2 |
| 15:01 CST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 997 mb (29.44 in) | SSE 6 kph (SSE 3.5 mph) | - | 2 1/2SM |
| | KCNU 082101Z AUTO 16003KT 2 1/2SM BR OVC004 03/02 A2943 RMK AO2 |
| 14:52 CST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 997 mb (29.44 in) | S 9 kph (S 5.8 mph) | - | 3SM |
| | KCNU 082052Z AUTO 18005KT 3SM BR OVC004 03/02 A2944 RMK AO2 SLP974 60000 T00330022 56041 |
| 14:24 CST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 997 mb (29.44 in) | SE 11 kph (SE 6.9 mph) | - | 3SM |
| | KCNU 082024Z AUTO 14006KT 3SM BR OVC004 03/02 A2943 RMK AO2 |
| 14:10 CST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 997 mb (29.44 in) | SE 11 kph (SE 6.9 mph) | - | 2 1/2SM |
| | KCNU 082010Z AUTO 13006KT 2 1/2SM BR OVC004 03/02 A2944 RMK AO2 |
| 13:52 CST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 998 mb (29.47 in) | SE 11 kph (SE 6.9 mph) | 0.00 mm (0.00 in) | 1 1/2SM |
| | KCNU 081952Z AUTO 13006KT 1 1/2SM BR OVC004 03/02 A2946 RMK AO2 UPB1857E16RAB00E11SNB16E17 SLP981 P0000 T00280017 |
| 13:27 CST |  Overcast Fog And Mist | 3°C / 37°F | 2°C / 36°F | 93% | 998 mb (29.47 in) | SE 11 kph (SE 6.9 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | KCNU 081927Z AUTO 13006KT 1 1/4SM BR OVC004 03/02 A2948 RMK AO2 UPB1857E16RAB00E11SNB16E17 PRESFR P0000 |
| 13:07 CST |  Overcast Light Rain | 3°C / 37°F | 1°C / 34°F | 87% | 999 mb (29.5 in) | SE 9 kph (SE 5.8 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KCNU 081907Z AUTO 13005KT 1 3/4SM -RA BR OVC004 03/01 A2951 RMK AO2 UPB1857E00RAB00 P0000 |
| 12:52 CST |  Overcast Fog And Mist | 2°C / 36°F | 1°C / 34°F | 93% | 1000 mb (29.53 in) | SE 15 kph (SE 9.2 mph) | - | 5SM |
| | KCNU 081852Z AUTO 13008KT 5SM BR OVC004 02/01 A2952 RMK AO2 SLP003 T00220011 |
| 11:52 CST |  Overcast Fog And Mist | 2°C / 36°F | 1°C / 34°F | 93% | 1001 mb (29.56 in) | ESE 20 kph (ESE 12.7 mph) | 0.00 mm (0.00 in) | 5SM |
| | KCNU 081752Z AUTO 11011KT 5SM BR OVC004 02/01 A2957 RMK AO2 RAE1659 SLP017 P0000 60008 T00170006 10017 21011 58063 |
| 10:52 CST |  Overcast Light Rain | 1°C / 34°F | -1°C / 30°F | 87% | 1003 mb (29.62 in) | E 20 kph (E 12.7 mph) | 0.51 mm (0.02 in) | 3SM |
| | KCNU 081652Z AUTO 10011KT 3SM -RA BR OVC004 01/M01 A2963 RMK AO2 UPE11RAB11 PRESFR SLP040 P0002 T00111006 |
| 10:42 CST |  Overcast Light Rain | 1°C / 34°F | -1°C / 30°F | 87% | 1004 mb (29.65 in) | ESE 19 kph (ESE 11.5 mph) | 0.51 mm (0.02 in) | 3SM |
| | KCNU 081642Z AUTO 11010KT 3SM -RA BR OVC004 01/M01 A2965 RMK AO2 UPE11RAB11 P0002 |
| 09:52 CST |  Overcast Unknown Precip | 0°C / 32°F | -1°C / 30°F | 93% | 1006 mb (29.71 in) | E 19 kph (E 11.5 mph) | 1.02 mm (0.04 in) | 2 1/2SM |
| | KCNU 081552Z AUTO 10010KT 2 1/2SM UP BR OVC004 00/M01 A2971 RMK AO2 UPB14FZRAE14 SLP067 P0004 T00001011 |
| 09:20 CST |  Overcast Unknown Precip | 0°C / 32°F | -2°C / 28°F | 87% | 1007 mb (29.74 in) | E 15 kph (E 9.2 mph) | 0.51 mm (0.02 in) | 1 1/2SM |
| | KCNU 081520Z AUTO 10008KT 1 1/2SM UP BR OVC004 00/M02 A2975 RMK AO2 UPB14FZRAE14 P0002 |
| 09:00 CST |  Overcast Light Freezing Rain | -1°C / 30°F | -2°C / 28°F | 93% | 1007 mb (29.74 in) | E 17 kph (E 10.4 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KCNU 081500Z AUTO 09009KT 1 3/4SM -FZRA BR OVC004 M01/M02 A2975 RMK AO2 P0000 |
| 08:52 CST |  Overcast Light Freezing Rain | -1°C / 30°F | -2°C / 28°F | 93% | 1008 mb (29.77 in) | E 17 kph (E 10.4 mph) | 0.51 mm (0.02 in) | 1 3/4SM |
| | KCNU 081452Z AUTO 08009KT 1 3/4SM -FZRA BR OVC006 M01/M02 A2976 RMK AO2 UPB1356E04FZRAB04 PRESFR SLP084 P0002 60002 T10061017 58034 |
| 08:50 CST |  Overcast Light Freezing Rain | -1°C / 30°F | -2°C / 28°F | 93% | 1008 mb (29.77 in) | E 17 kph (E 10.4 mph) | 0.51 mm (0.02 in) | 1 3/4SM |
| | KCNU 081450Z AUTO 08009KT 1 3/4SM -FZRA BR OVC006 M01/M02 A2977 RMK AO2 UPB1356E04FZRAB04 PRESFR P0002 |
| 08:08 CST |  Overcast Light Freezing Rain | -1°C / 30°F | -2°C / 28°F | 93% | 1010 mb (29.83 in) | ENE 11 kph (ENE 6.9 mph) | 0.25 mm (0.01 in) | 2 1/2SM |
| | KCNU 081408Z AUTO 07006KT 2 1/2SM -FZRA BR OVC006 M01/M02 A2983 RMK AO2 UPB1356E04FZRAB04 P0001 |
| 07:52 CST |  Overcast Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1011 mb (29.85 in) | ENE 7 kph (ENE 4.6 mph) | 0.00 mm (0.00 in) | 4SM |
| | KCNU 081352Z AUTO 07004KT 4SM BR OVC006 M01/M02 A2986 RMK AO2 UPB1258E08FZRAB08E31 PRESRR SLP117 P0000 T10061022 |
| 07:37 CST |  Overcast Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 1010 mb (29.83 in) | E 11 kph (E 6.9 mph) | 0.00 mm (0.00 in) | 4SM |
| | KCNU 081337Z AUTO 08006KT 4SM BR OVC006 M01/M02 A2983 RMK AO2 UPB1258E08FZRAB08E31 P0000 |
| 07:14 CST |  Overcast Light Freezing Rain | -1°C / 30°F | -3°C / 27°F | 86% | 1010 mb (29.83 in) | ENE 17 kph (ENE 10.4 mph) | 0.00 mm (0.00 in) | 3SM |
| | KCNU 081314Z AUTO 07009KT 3SM -FZRA BR OVC006 M01/M03 A2982 RMK AO2 UPB1258E08FZRAB08 PRESFR P0000 |
| 06:52 CST |  Overcast Fog And Mist | -1°C / 30°F | -3°C / 27°F | 86% | 1011 mb (29.85 in) | E 13 kph (E 8.1 mph) | - | 4SM |
| | KCNU 081252Z AUTO 08007KT 4SM BR OVC006 M01/M03 A2986 RMK AO2 PRESFR SLP120 T10111028 |
| 06:30 CST |  Overcast Fog And Mist | -1°C / 30°F | -3°C / 27°F | 86% | 1012 mb (29.88 in) | E 15 kph (E 9.2 mph) | - | 4SM |
| | KCNU 081230Z AUTO 09008KT 4SM BR OVC006 M01/M03 A2989 RMK AO2 |
| 05:52 CST |  Overcast Fog And Mist | -1°C / 30°F | -3°C / 27°F | 86% | 1013 mb (29.91 in) | E 13 kph (E 8.1 mph) | - | 4SM |
| | KCNU 081152Z AUTO 08007KT 4SM BR OVC004 M01/M03 A2990 RMK AO2 SLP134 T10111028 11011 21022 56041 |
| 04:52 CST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1014 mb (29.94 in) | ENE 19 kph (ENE 11.5 mph) | - | 3SM |
| | KCNU 081052Z AUTO 07010KT 3SM BR OVC004 M02/M03 A2993 RMK AO2 SLP143 T10171033 |
| 04:40 CST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1014 mb (29.94 in) | ENE 20 kph (ENE 12.7 mph) | - | 3SM |
| | KCNU 081040Z AUTO 07011KT 3SM BR OVC004 M02/M03 A2993 RMK AO2 |
| 03:52 CST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1015 mb (29.97 in) | NE 19 kph (NE 11.5 mph) | - | 2 1/2SM |
| | KCNU 080952Z AUTO 05010KT 2 1/2SM BR OVC004 M02/M03 A2997 RMK AO2 PRESFR SLP158 T10171033 |
| 02:52 CST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1017 mb (30.03 in) | NE 11 kph (NE 6.9 mph) | - | 2SM |
| | KCNU 080852Z AUTO 05006KT 2SM BR OVC004 M02/M03 A3003 RMK AO2 SLP178 T10171033 56023 |
| 01:52 CST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1018 mb (30.06 in) | ENE 13 kph (ENE 8.1 mph) | - | 2SM |
| | KCNU 080752Z AUTO 06007KT 2SM BR OVC004 M02/M03 A3006 RMK AO2 SLP188 T10221033 |
| 01:41 CST |  Overcast Fog And Mist | -2°C / 28°F | -3°C / 27°F | 93% | 1018 mb (30.06 in) | ENE 11 kph (ENE 6.9 mph) | - | 1 3/4SM |
| | KCNU 080741Z AUTO 07006KT 1 3/4SM BR OVC004 M02/M03 A3007 RMK AO2 CIG 003V008 |
| 01:07 CST |  Overcast Fog And Mist | -2°C / 28°F | -4°C / 25°F | 86% | 1019 mb (30.09 in) | ENE 9 kph (ENE 5.8 mph) | - | 1 3/4SM |
| | KCNU 080707Z AUTO 07005KT 1 3/4SM BR OVC006 M02/M04 A3009 RMK AO2 CIG 004V010 |
| 00:52 CST |  Overcast Fog And Mist | -2°C / 28°F | -4°C / 25°F | 86% | 1019 mb (30.09 in) | ENE 15 kph (ENE 9.2 mph) | - | 2 1/2SM |
| | KCNU 080652Z AUTO 06008KT 2 1/2SM BR OVC006 M02/M04 A3010 RMK AO2 SLP202 T10221039 |
| 00:32 CST |  Overcast Fog And Mist | -2°C / 28°F | -4°C / 25°F | 86% | 1020 mb (30.12 in) | NE 6 kph (NE 3.5 mph) | - | 3SM |
| | KCNU 080632Z AUTO 03003KT 3SM BR OVC006 M02/M04 A3013 RMK AO2 |