| 02:53 EST | 
Overcast | -2°C / 28°F | -6°C / 21°F | 74% | 1008 mb
(29.77 in) | SSE 9 kph
(SSE 5.8 mph) | - | 10SM |
| | KGRR 260753Z 16005KT 10SM FEW035 BKN045 OVC055 M02/M06 A2978
RMK AO2 SLP090 T10171061 |
| 01:53 EST |
Overcast | -2°C / 28°F | -6°C / 21°F | 74% | 1008 mb
(29.77 in) | S 13 kph
(S 8.1 mph) | - | 10SM |
| | KGRR 260653Z 19007KT 10SM OVC037 M02/M06 A2976
RMK AO2 SLP086 T10171061 |
| 01:10 EST |
Overcast | -2°C / 28°F | -6°C / 21°F | 74% | 1007 mb
(29.74 in) | SW 24 kph
(SW 15 mph) | - | 10SM |
| | KGRR 260610Z 22013G18KT 10SM FEW021 SCT028 OVC035 M02/M06 A2975
RMK AO2 |
| 00:53 EST |
Overcast | -2°C / 28°F | -6°C / 21°F | 74% | 1007 mb
(29.74 in) | SW 20 kph
(SW 12.7 mph) | 0.00 mm
(0.00 in) | 9SM |
| | KGRR 260553Z 22011KT 9SM SCT019 OVC026 M02/M06 A2975
RMK AO2 UPB33E38FZDZE00FZRAB0458E14SNB14E33B41E51 SLP080 P0000 60007 T10171056 10050 21017 51026 |
| 00:33 EST | 
Overcast
Unknown Precip | -2°C / 28°F | -5°C / 23°F | 80% | 1007 mb
(29.74 in) | SW 24 kph
(SW 15 mph) | 0.00 mm
(0.00 in) | 7SM |
| | KGRR 260533Z 23013G24KT 7SM UP FEW008 BKN015 OVC021 M02/M05 A2974
RMK AO2 UPB33FZDZE00FZRAB0458E14SNB14E33 P0000 |
| 00:14 EST | 
Overcast
Light Snow | -1°C / 30°F | -4°C / 25°F | 80% | 1007 mb
(29.74 in) | SSW 28 kph
(SSW 17.3 mph) | 0.00 mm
(0.00 in) | 5SM |
| | KGRR 260514Z 24015G20KT 5SM -SN SCT008 OVC014 M01/M04 A2974
RMK AO2 FZDZE00FZRAB0458E14SNB14 P0000 $ |
| 00:10 EST | 
Overcast
Light Freezing Rain | -1°C / 30°F | -4°C / 25°F | 80% | 1007 mb
(29.74 in) | SW 28 kph
(SW 17.3 mph) | 0.00 mm
(0.00 in) | 5SM |
| | KGRR 260510Z 23015KT 5SM -FZRA BKN008 BKN013 OVC018 M01/M04 A2974
RMK AO2 FZDZE00FZRAB0458 CIG 006V011 P0000 $ |
| 00:01 EST |
Overcast
Light Freezing Rain | -1°C / 30°F | -3°C / 27°F | 86% | 1007 mb
(29.74 in) | SW 15 kph
(SW 9.2 mph) | 0.00 mm
(0.00 in) | 4SM |
| | KGRR 260501Z 23008KT 4SM -FZRA BR SCT008 OVC014 M01/M03 A2974
RMK AO2 FZDZE00FZRAB0458 CIG 006 RWY 8R P0000 $ |
