| 15:53 EST |  Overcast | 6°C / 43°F | -1°C / 30°F | 61% | 1020 mb (30.12 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KTYS 042053Z 01005KT 10SM OVC022 06/M01 A3011 RMK AO2 SLP198 T00561006 55011 |
| 14:53 EST |  Overcast | 5°C / 41°F | -1°C / 30°F | 66% | 1019 mb (30.09 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KTYS 041953Z 01006KT 10SM OVC022 05/M01 A3009 RMK AO2 SLP192 T00501006 |
| 13:53 EST |  Overcast | 5°C / 41°F | -1°C / 30°F | 66% | 1020 mb (30.12 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KTYS 041853Z 01006KT 10SM OVC020 05/M01 A3011 RMK AO2 SLP200 T00501006 |
| 12:53 EST |  Overcast | 5°C / 41°F | -1°C / 30°F | 66% | 1021 mb (30.15 in) | N 7 kph (N 4.6 mph) | - | 10SM |
| | KTYS 041753Z 35004KT 10SM OVC020 05/M01 A3014 RMK AO2 SLP210 T00501006 10050 20033 58015 |
| 11:53 EST |  Overcast | 4°C / 39°F | -1°C / 30°F | 70% | 1022 mb (30.18 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KTYS 041653Z 35005KT 10SM OVC018 04/M01 A3018 RMK AO2 SLP221 T00441006 |
| 10:53 EST |  Overcast | 4°C / 39°F | -1°C / 30°F | 70% | 1022 mb (30.18 in) | N 7 kph (N 4.6 mph) | - | 9SM |
| | KTYS 041553Z 01004KT 9SM OVC020 04/M01 A3019 RMK AO2 SLP226 T00391006 |
| 09:53 EST |  Overcast | 3°C / 37°F | -1°C / 30°F | 75% | 1022 mb (30.18 in) | N 9 kph (N 5.8 mph) | - | 9SM |
| | KTYS 041453Z 36005KT 9SM OVC022 03/M01 A3019 RMK AO2 SLP225 T00331011 53006 |
| 08:53 EST |  Overcast | 3°C / 37°F | -1°C / 30°F | 75% | 1022 mb (30.18 in) | N 13 kph (N 8.1 mph) | - | 9SM |
| | KTYS 041353Z 35007KT 9SM OVC024 03/M01 A3017 RMK AO2 SLP221 T00331011 |
| 07:53 EST |  Overcast | 3°C / 37°F | -1°C / 30°F | 75% | 1022 mb (30.18 in) | N 13 kph (N 8.1 mph) | - | 10SM |
| | KTYS 041253Z 36007KT 10SM OVC024 03/M01 A3017 RMK AO2 SLP220 T00331006 |
| 06:53 EST |  Overcast | 4°C / 39°F | -1°C / 30°F | 70% | 1022 mb (30.18 in) | Calm | - | 10SM |
| | KTYS 041153Z 00000KT 10SM OVC024 04/M01 A3017 RMK AO2 SLP218 T00391006 10050 20039 53006 |
| 05:53 EST |  Overcast | 4°C / 39°F | -1°C / 30°F | 70% | 1021 mb (30.15 in) | NNE 7 kph (NNE 4.6 mph) | - | 10SM |
| | KTYS 041053Z 02004KT 10SM OVC024 04/M01 A3016 RMK AO2 SLP216 T00391006 |
| 04:53 EST |  Overcast | 4°C / 39°F | -1°C / 30°F | 70% | 1021 mb (30.15 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KTYS 040953Z 36005KT 10SM OVC028 04/M01 A3015 RMK AO2 SLP212 T00391006 |
| 03:53 EST |  Overcast | 4°C / 39°F | -1°C / 30°F | 70% | 1021 mb (30.15 in) | N 11 kph (N 6.9 mph) | - | 10SM |
| | KTYS 040853Z 36006KT 10SM OVC026 04/M01 A3015 RMK AO2 SLP212 T00391006 53007 |
| 02:53 EST |  Overcast | 4°C / 39°F | 1°C / 34°F | 81% | 1020 mb (30.12 in) | N 9 kph (N 5.8 mph) | - | 10SM |
| | KTYS 040753Z 35005KT 10SM BKN019 OVC028 04/01 A3013 RMK AO2 SLP206 T00440011 |
| 01:53 EST |  Overcast | 4°C / 39°F | 2°C / 36°F | 87% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KTYS 040653Z 00000KT 10SM BKN021 OVC028 04/02 A3012 RMK AO2 SLP202 T00440017 |
| 00:53 EST |  Overcast | 5°C / 41°F | 2°C / 36°F | 81% | 1020 mb (30.12 in) | Calm | - | 10SM |
| | KTYS 040553Z 00000KT 10SM OVC022 05/02 A3013 RMK AO2 SLP203 T00500017 10056 20050 55002 |