| 21:55 PST |  Overcast Light Snow | -1°C / 30°F | -6°C / 21°F | 69% | 1024 mb (30.24 in) | ENE 17 kph (ENE 10.4 mph) | 0.00 mm (0.00 in) | 4SM |
| | KEAT 060555Z AUTO 06009KT 4SM -SN OVC080 M01/M06 A3024 RMK AO2 SLP254 P0000 60000 T10111056 10017 21017 55000 |
| 21:34 PST |  Overcast Light Snow | -1°C / 30°F | -6°C / 21°F | 69% | 1024 mb (30.24 in) | NE 15 kph (NE 9.2 mph) | 0.00 mm (0.00 in) | 5SM |
| | KEAT 060534Z AUTO 05008G19KT 5SM -SN SCT032 SCT049 OVC080 M01/M06 A3024 RMK AO2 P0000 |
| 21:11 PST |  Overcast Light Snow | -1°C / 30°F | -6°C / 21°F | 69% | 1024 mb (30.24 in) | NE 28 kph (NE 17.3 mph) | 0.00 mm (0.00 in) | 5SM |
| | KEAT 060511Z AUTO 04015G21KT 5SM -SN BKN023 BKN036 OVC060 M01/M06 A3023 RMK AO2 P0000 |
| 21:03 PST |  Overcast Light Snow | -1°C / 30°F | -6°C / 21°F | 69% | 1024 mb (30.24 in) | NE 24 kph (NE 15 mph) | 0.00 mm (0.00 in) | 2 1/2SM |
| | KEAT 060503Z AUTO 03013G23KT 2 1/2SM -SN BKN017 BKN034 OVC047 M01/M06 A3023 RMK AO2 P0000 |
| 20:58 PST |  Overcast Light Snow | -1°C / 30°F | -6°C / 21°F | 69% | 1024 mb (30.24 in) | NE 26 kph (NE 16.1 mph) | 0.00 mm (0.00 in) | 3SM |
| | KEAT 060458Z AUTO 03014G23KT 3SM -SN BKN013 BKN034 OVC060 M01/M06 A3024 RMK AO2 P0000 |
| 20:55 PST |  Overcast Light Snow | -1°C / 30°F | -6°C / 21°F | 69% | 1024 mb (30.24 in) | NE 28 kph (NE 17.3 mph) | 0.00 mm (0.00 in) | 3SM |
| | KEAT 060455Z AUTO 03015G23KT 3SM -SN SCT016 BKN034 OVC095 M01/M06 A3023 RMK AO2 SNB38 SLP253 P0000 T10111056 |
| 20:44 PST |  Overcast Light Snow | -1°C / 30°F | -6°C / 21°F | 69% | 1024 mb (30.24 in) | NE 30 kph (NE 18.4 mph) | 0.00 mm (0.00 in) | 1 3/4SM |
| | KEAT 060444Z AUTO 03016G22KT 1 3/4SM -SN SCT017 BKN033 OVC095 M01/M06 A3024 RMK AO2 SNB38 P0000 |
| 19:55 PST |  Overcast | -1°C / 30°F | -4°C / 25°F | 80% | 1024 mb (30.24 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KEAT 060355Z AUTO 29004KT 10SM FEW029 BKN045 OVC075 M01/M04 A3023 RMK AO2 SLP252 T10111044 |
| 19:19 PST |  Overcast | -1°C / 30°F | -6°C / 21°F | 69% | 1024 mb (30.24 in) | NNE 19 kph (NNE 11.5 mph) | - | 9SM |
| | KEAT 060319Z AUTO 02010G20KT 9SM SCT026 BKN039 OVC048 M01/M06 A3023 RMK AO2 |
| 18:55 PST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | S 6 kph (S 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KEAT 060255Z AUTO 18003KT 10SM BKN024 BKN029 OVC085 M01/M03 A3024 RMK AO2 SNE04 SLP255 P0000 60000 T10111028 51001 |
| 18:51 PST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | Calm | 0.00 mm (0.00 in) | 10SM |
| | KEAT 060251Z AUTO 00000KT 10SM BKN026 BKN049 OVC070 M01/M03 A3024 RMK AO2 SNE04 P0000 |
| 18:25 PST |  Overcast | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | NW 11 kph (NW 6.9 mph) | 0.00 mm (0.00 in) | 10SM |
| | KEAT 060225Z AUTO 30006KT 10SM FEW005 BKN034 OVC048 M01/M03 A3024 RMK AO2 SNE04 P0000 |
| 18:04 PST |  Overcast | -1°C / 30°F | -2°C / 28°F | 93% | 1024 mb (30.24 in) | WNW 7 kph (WNW 4.6 mph) | 0.00 mm (0.00 in) | 9SM |
| | KEAT 060204Z AUTO 29004KT 9SM BKN020 BKN027 OVC039 M01/M02 A3024 RMK AO2 SNE04 P0000 |
| 17:55 PST |  Overcast Light Snow | -1°C / 30°F | -3°C / 27°F | 86% | 1024 mb (30.24 in) | W 6 kph (W 3.5 mph) | 0.00 mm (0.00 in) | 10SM |
| | KEAT 060155Z AUTO 27003KT 10SM -SN FEW006 SCT020 OVC039 M01/M03 A3024 RMK AO2 SNB54 SLP255 P0000 T10111028 |
| 16:55 PST |  Overcast | 1°C / 34°F | -6°C / 21°F | 60% | 1024 mb (30.24 in) | NE 22 kph (NE 13.8 mph) | - | 10SM |
| | KEAT 060055Z AUTO 03012G18KT 10SM OVC045 01/M06 A3024 RMK AO2 SLP253 T00061061 |
| 15:55 PST |  Overcast | 2°C / 36°F | -9°C / 16°F | 44% | 1023 mb (30.21 in) | NE 20 kph (NE 12.7 mph) | - | 10SM |
| | KEAT 052355Z AUTO 03011G17KT 10SM BKN050 OVC060 02/M09 A3022 RMK AO2 SLP247 T00171089 10028 21022 56012 |
| 14:55 PST |  Overcast | 2°C / 36°F | -8°C / 18°F | 48% | 1024 mb (30.24 in) | Variable 6 kph (Variable 3.5 mph) | - | 10SM |
| | KEAT 052255Z AUTO VRB03KT 10SM OVC070 02/M08 A3023 RMK AO2 SLP250 T00221078 |
| 13:55 PST |  Overcast | 2°C / 36°F | -7°C / 19°F | 52% | 1024 mb (30.24 in) | Calm | - | 10SM |
| | KEAT 052155Z AUTO 00000KT 10SM OVC090 02/M07 A3024 RMK AO2 SLP253 T00171067 |
| 12:55 PST |  Overcast | 1°C / 34°F | -7°C / 19°F | 56% | 1025 mb (30.27 in) | SW 7 kph (SW 4.6 mph) | - | 10SM |
| | KEAT 052055Z AUTO 21004KT 10SM OVC090 01/M07 A3026 RMK AO2 SLP260 T00111067 58021 |
| 11:55 PST |  Clear | 0°C / 32°F | -7°C / 19°F | 60% | 1025 mb (30.27 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KEAT 051955Z AUTO 26005KT 10SM CLR 00/M07 A3028 RMK AO2 SLP269 T00001072 |
| 10:55 PST |  Clear | -1°C / 30°F | -7°C / 19°F | 64% | 1026 mb (30.3 in) | NW 11 kph (NW 6.9 mph) | - | 10SM |
| | KEAT 051855Z AUTO 32006KT 10SM CLR M01/M07 A3031 RMK AO2 SLP278 T10061072 |
| 09:55 PST |  Clear | -2°C / 28°F | -7°C / 19°F | 69% | 1027 mb (30.33 in) | WNW 13 kph (WNW 8.1 mph) | - | 10SM |
| | KEAT 051755Z AUTO 29007KT 10SM CLR M02/M07 A3032 RMK AO2 SLP283 T10221072 11022 21044 51007 |
| 08:55 PST |  Overcast | -4°C / 25°F | -6°C / 21°F | 86% | 1027 mb (30.33 in) | Calm | - | 10SM |
| | KEAT 051655Z AUTO 00000KT 10SM OVC090 M04/M06 A3032 RMK AO2 SLP283 T10391061 |
| 07:55 PST |  Overcast | -4°C / 25°F | -7°C / 19°F | 80% | 1026 mb (30.3 in) | W 11 kph (W 6.9 mph) | - | 10SM |
| | KEAT 051555Z AUTO 28006KT 10SM OVC075 M04/M07 A3031 RMK AO2 SLP279 T10391067 |
| 06:55 PST |  Overcast | -4°C / 25°F | -7°C / 19°F | 80% | 1026 mb (30.3 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KEAT 051455Z AUTO 29008KT 10SM OVC070 M04/M07 A3030 RMK AO2 SLP276 T10391072 53007 |
| 05:55 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1026 mb (30.3 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KEAT 051355Z AUTO 32004KT 10SM OVC070 M03/M06 A3029 RMK AO2 SLP272 T10331061 |
| 04:55 PST |  Overcast | -4°C / 25°F | -6°C / 21°F | 86% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KEAT 051255Z AUTO 00000KT 10SM OVC070 M04/M06 A3028 RMK AO2 SLP269 T10441061 |
| 03:55 PST |  Overcast | -4°C / 25°F | -7°C / 19°F | 80% | 1025 mb (30.27 in) | Calm | - | 10SM |
| | KEAT 051155Z AUTO 00000KT 10SM OVC070 M04/M07 A3028 RMK AO2 SLP269 T10441067 11028 21044 51013 |
| 02:55 PST |  Overcast | -4°C / 25°F | -7°C / 19°F | 80% | 1025 mb (30.27 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KEAT 051055Z AUTO 32004KT 10SM OVC085 M04/M07 A3027 RMK AO2 SLP266 T10391067 |
| 01:55 PST |  Mostly Cloudy | -3°C / 27°F | -7°C / 19°F | 74% | 1025 mb (30.27 in) | SSW 9 kph (SSW 5.8 mph) | - | 10SM |
| | KEAT 050955Z AUTO 24005KT 10SM SCT075 BKN095 M03/M07 A3026 RMK AO2 SLP260 T10331067 |
| 00:55 PST |  Overcast | -3°C / 27°F | -6°C / 21°F | 80% | 1024 mb (30.24 in) | NW 7 kph (NW 4.6 mph) | - | 10SM |
| | KEAT 050855Z AUTO 31004KT 10SM OVC080 M03/M06 A3024 RMK AO2 SLP254 T10331061 51016 |