| 06:31 GMT-9 |  Obscured Light Snow | -3°C / 27°F | -5°C / 23°F | 86% | 993 mb (29.32 in) | SSW 33 kph (SSW 20.7 mph) | 0.00 mm (0.00 in) | 3/4SM |
| | PAHO 291531Z 24018G26KT 3/4SM -SN BR VV008 M03/M05 A2931 RMK AO2 PK WND 24027/1454 P0000 |
| 06:25 GMT-9 |  Obscured Light Snow | -3°C / 27°F | -5°C / 23°F | 86% | 993 mb (29.32 in) | SSW 39 kph (SSW 24.2 mph) | 0.00 mm (0.00 in) | 1SM |
| | PAHO 291525Z 25021G26KT 1SM -SN BR VV010 M03/M05 A2931 RMK AO2 PK WND 24027/1454 P0000 |
| 06:14 GMT-9 |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 993 mb (29.32 in) | SSW 30 kph (SSW 18.4 mph) | 0.00 mm (0.00 in) | 2SM |
| | PAHO 291514Z 24016G25KT 2SM -SN BR OVC013 M03/M04 A2931 RMK AO2 PK WND 24027/1454 P0000 |
| 06:11 GMT-9 |  Overcast Light Snow | -3°C / 27°F | -4°C / 25°F | 93% | 993 mb (29.32 in) | SSW 35 kph (SSW 21.9 mph) | 0.00 mm (0.00 in) | 2SM |
| | PAHO 291511Z 25019G25KT 2SM -SN BR OVC015 M03/M04 A2931 RMK AO2 PK WND 24027/1454 P0000 |
| 05:53 GMT-9 |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 992 mb (29.29 in) | SSW 39 kph (SSW 24.2 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | PAHO 291453Z 24021G26KT 1 3/4SM -SN BR OVC017 M02/M04 A2930 RMK AO2 PK WND 24029/1428 SLP923 P0000 60002 T10221044 51013 |
| 05:43 GMT-9 |  Overcast Light Snow | -2°C / 28°F | -5°C / 23°F | 80% | 992 mb (29.29 in) | SSW 35 kph (SSW 21.9 mph) | 0.00 mm (0.00 in) | 2SM |
| | PAHO 291443Z AUTO 25019G28KT 2SM -SN OVC015 M02/M05 A2930 RMK AO2 PK WND 24029/1428 P0000 TSNO |
| 05:41 GMT-9 |  Overcast Light Snow | -2°C / 28°F | -5°C / 23°F | 80% | 992 mb (29.29 in) | SSW 33 kph (SSW 20.7 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | PAHO 291441Z AUTO 25018G28KT 1 3/4SM -SN OVC013 M02/M05 A2930 RMK AO2 PK WND 24029/1428 P0000 TSNO |
| 05:18 GMT-9 |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 992 mb (29.29 in) | SSW 39 kph (SSW 24.2 mph) | 0.00 mm (0.00 in) | 1 1/4SM |
| | PAHO 291418Z AUTO 24021G28KT 1 1/4SM -SN BR OVC009 M02/M04 A2929 RMK AO2 PK WND 24028/1417 P0000 TSNO |
| 04:53 GMT-9 |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 992 mb (29.29 in) | SSW 33 kph (SSW 20.7 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | PAHO 291353Z AUTO 25018G26KT 1 3/4SM -SN BR OVC014 M02/M04 A2928 RMK AO2 PK WND 23028/1338 SLP917 P0000 T10221039 TSNO |
| 04:48 GMT-9 |  Overcast Light Snow | -2°C / 28°F | -4°C / 25°F | 86% | 992 mb (29.29 in) | SSW 33 kph (SSW 20.7 mph) | 0.00 mm (0.00 in) | 2SM |
| | PAHO 291348Z AUTO 24018G26KT 2SM -SN OVC018 M02/M04 A2928 RMK AO2 PK WND 23028/1338 P0000 TSNO |
| 03:53 GMT-9 |  Overcast Light Snow | -1°C / 30°F | -4°C / 25°F | 80% | 991 mb (29.26 in) | SSW 32 kph (SSW 19.6 mph) | 0.51 mm (0.02 in) | 6SM |
| | PAHO 291253Z AUTO 25017G24KT 6SM -SN OVC020 M01/M04 A2926 RMK AO2 SLP910 P0002 T10111044 TSNO |
| 03:46 GMT-9 |  Overcast Light Snow | -1°C / 30°F | -4°C / 25°F | 80% | 991 mb (29.26 in) | SSW 30 kph (SSW 18.4 mph) | 0.51 mm (0.02 in) | 4SM |
| | PAHO 291246Z AUTO 24016KT 4SM -SN OVC018 M01/M04 A2926 RMK AO2 P0002 TSNO |
| 03:32 GMT-9 |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 991 mb (29.26 in) | SSW 26 kph (SSW 16.1 mph) | 0.51 mm (0.02 in) | 3SM |
| | PAHO 291232Z AUTO 25014G22KT 3SM -SN BR OVC014 M01/M03 A2926 RMK AO2 P0002 TSNO |
| 03:17 GMT-9 |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 991 mb (29.26 in) | Variable 7 kph (Variable 4.6 mph) | 0.25 mm (0.01 in) | 1 1/2SM |
| | PAHO 291217Z AUTO VRB04KT 1 1/2SM -SN BR OVC010 M01/M02 A2925 RMK AO2 P0001 TSNO |
| 03:04 GMT-9 |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 990 mb (29.23 in) | ENE 6 kph (ENE 3.5 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | PAHO 291204Z AUTO 07003KT 1 3/4SM -SN BR OVC018 M01/M02 A2924 RMK AO2 P0000 TSNO |
| 02:53 GMT-9 |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 990 mb (29.23 in) | Calm | 0.00 mm (0.00 in) | 4SM |
| | PAHO 291153Z AUTO 00000KT 4SM -SN BR OVC028 M01/M02 A2924 RMK AO2 SLP904 P0000 60003 70007 T10111017 11011 21022 53007 TSNO |
| 02:09 GMT-9 |  Overcast Fog And Mist | -1°C / 30°F | -2°C / 28°F | 93% | 990 mb (29.23 in) | NE 6 kph (NE 3.5 mph) | 0.00 mm (0.00 in) | 6SM |
| | PAHO 291109Z AUTO 04003KT 6SM BR OVC030 M01/M02 A2924 RMK AO2 SNE03 P0000 TSNO |
| 01:53 GMT-9 |  Overcast Light Snow | -1°C / 30°F | -2°C / 28°F | 93% | 990 mb (29.23 in) | Calm | 0.00 mm (0.00 in) | 8SM |
| | PAHO 291053Z AUTO 00000KT 8SM -SN OVC026 M01/M02 A2924 RMK AO2 SNB44 SLP902 P0000 T10111022 TSNO |
| 01:38 GMT-9 |  Overcast | -2°C / 28°F | -2°C / 28°F | 100% | 990 mb (29.23 in) | Calm | - | 10SM |
| | PAHO 291038Z AUTO 00000KT 10SM OVC026 M02/M02 A2924 RMK AO2 TSNO |
| 00:53 GMT-9 |  Overcast | -2°C / 28°F | -3°C / 27°F | 93% | 990 mb (29.23 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | PAHO 290953Z AUTO 00000KT 10SM OVC055 M02/M03 A2923 RMK AO2 SNB14E25 SLP898 P0000 T10221033 TSNO |