| 16:55 PST |  Clear | 9°C / 48°F | -1°C / 30°F | 50% | 1008 mb (29.77 in) | SSW 19 kph (SSW 11.5 mph) | - | 10SM |
| | KRIV 230055Z AUTO 25010KT 10SM CLR 09/M01 A2977 RMK AO2 SLP091 T00921013 |
| 15:55 PST |  Clear | 11°C / 52°F | -3°C / 27°F | 38% | 1008 mb (29.77 in) | SSW 22 kph (SSW 13.8 mph) | - | 10SM |
| | KRIV 222355Z AUTO 25012G19KT 10SM CLR 11/M03 A2977 RMK AO2 SLP089 T01091028 10131 20102 55004 |
| 14:55 PST |  Clear | 12°C / 54°F | -5°C / 23°F | 30% | 1008 mb (29.77 in) | W 32 kph (W 19.6 mph) | - | 10SM |
| | KRIV 222255Z AUTO 28017G23KT 10SM CLR 12/M05 A2976 RMK AO2 SLP083 T01221051 |
| 13:55 PST |  Clear | 13°C / 55°F | -3°C / 27°F | 33% | 1008 mb (29.77 in) | W 22 kph (W 13.8 mph) | - | 10SM |
| | KRIV 222155Z AUTO 27012G17KT 240V310 10SM CLR 13/M03 A2977 RMK AO2 SLP085 T01301026 |
| 12:55 PST |  Clear | 12°C / 54°F | -2°C / 28°F | 38% | 1008 mb (29.77 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KRIV 222055Z AUTO 30009KT 10SM CLR 12/M02 A2978 RMK AO2 SLP091 T01211023 58016 |
| 11:55 PST |  Clear | 12°C / 54°F | -2°C / 28°F | 38% | 1009 mb (29.8 in) | NW 19 kph (NW 11.5 mph) | - | 10SM |
| | KRIV 221955Z AUTO 30010KT 10SM CLR 12/M02 A2981 RMK AO2 SLP100 T01181019 |
| 10:55 PST |  Clear | 11°C / 52°F | 1°C / 34°F | 50% | 1010 mb (29.83 in) | NW 17 kph (NW 10.4 mph) | - | 10SM |
| | KRIV 221855Z AUTO 31009KT 10SM CLR 11/01 A2982 RMK AO2 SLP102 T01110012 |
| 09:55 PST |  Partly Cloudy | 10°C / 50°F | 4°C / 39°F | 67% | 1010 mb (29.83 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KRIV 221755Z 30007KT 10SM FEW025 10/04 A2983 RMK AO2A SLP108 60001 T01000041 10100 20067 53012 |
| 09:43 PST |  Partly Cloudy | 9°C / 48°F | 4°C / 39°F | 71% | 1010 mb (29.83 in) | WNW 15 kph (WNW 9.2 mph) | - | 10SM |
| | KRIV 221743Z AUTO 29008KT 10SM SCT025 09/04 A2983 RMK AO2 SLP108 |
| 09:22 PST |  Mostly Cloudy | 9°C / 48°F | 5°C / 41°F | 76% | 1010 mb (29.83 in) | NW 13 kph (NW 8.1 mph) | - | 10SM |
| | KRIV 221722Z AUTO 31007G16KT 10SM BKN024 09/05 A2983 RMK AO2 SLP108 |
| 08:55 PST |  Overcast | 9°C / 48°F | 5°C / 41°F | 76% | 1010 mb (29.83 in) | WNW 24 kph (WNW 15 mph) | - | 10SM |
| | KRIV 221655Z AUTO 29013KT 10SM OVC020 09/05 A2982 RMK AO2 SLP103 T00850050 |
| 08:07 PST |  Overcast | 8°C / 46°F | 5°C / 41°F | 82% | 1009 mb (29.8 in) | W 15 kph (W 9.2 mph) | - | 10SM |
| | KRIV 221607Z AUTO 27008KT 10SM OVC022 08/05 A2980 RMK AO2 SLP100 |
| 07:55 PST |  Overcast | 8°C / 46°F | 5°C / 41°F | 82% | 1009 mb (29.8 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KRIV 221555Z AUTO 27009G16KT 10SM OVC028 08/05 A2980 RMK AO2 SLP097 T00840046 |
| 07:45 PST |  Overcast | 8°C / 46°F | 5°C / 41°F | 82% | 1009 mb (29.8 in) | SSW 11 kph (SSW 6.9 mph) | - | 10SM |
| | KRIV 221545Z AUTO 26006KT 10SM OVC029 08/05 A2979 RMK AO2 SLP095 |
| 06:55 PST |  Mostly Cloudy | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | W 15 kph (W 9.2 mph) | 0.00 mm (0.00 in) | 10SM |
| | KRIV 221455Z AUTO 28008KT 10SM BKN035 08/07 A2980 RMK AO2 DZE1359 SLP095 P0000 60001 T00840069 55016 |
| 06:48 PST |  Mostly Cloudy | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | SSW 15 kph (SSW 9.2 mph) | - | 10SM |
| | KRIV 221448Z AUTO 26008KT 10SM BKN030 08/07 A2979 RMK AO2 DZE1359 CIG 023 RWY14 SLP094 |
| 06:40 PST |  Mostly Cloudy | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | W 17 kph (W 10.4 mph) | - | 10SM |
| | KRIV 221440Z AUTO 27009KT 10SM BKN024 08/07 A2980 RMK AO2 DZE1359 CIG 016 RWY14 SLP098 |
| 06:03 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | NW 9 kph (NW 5.8 mph) | - | 9SM |
| | KRIV 221403Z AUTO 31005KT 9SM OVC022 08/07 A2980 RMK AO2 DZE1359 CIG 016 RWY14 SLP095 |
| 05:59 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | Variable 7 kph (Variable 4.6 mph) | - | 9SM |
| | KRIV 221359Z AUTO VRB04KT 9SM SCT014 SCT021 BKN026 OVC039 08/07 A2980 RMK AO2 DZE1359 CIG 014 RWY14 SLP095 |
| 05:58 PST |  Overcast Drizzle | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | Variable 6 kph (Variable 3.5 mph) | - | 9SM |
| | KRIV 221358Z AUTO VRB03KT 9SM -DZ SCT014 SCT021 BKN026 OVC039 08/07 A2979 RMK AO2 CIG 014 RWY14 SLP093 |
| 05:55 PST |  Mostly Cloudy Drizzle | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | S 9 kph (S 5.8 mph) | 0.00 mm (0.00 in) | 9SM |
| | KRIV 221355Z AUTO 18005KT 9SM -DZ SCT014 SCT026 BKN039 08/07 A2979 RMK AO2 RAB1319E1341DZB1350 CIG 015 RWY14 SLP093 P0000 T00800069 |
| 05:50 PST |  Overcast Drizzle | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | S 13 kph (S 8.1 mph) | - | 9SM |
| | KRIV 221350Z AUTO 17007KT 9SM -DZ SCT014 BKN026 OVC041 08/07 A2979 RMK AO2 RAB1319E1341DZB1350 CIG 020 RWY14 SLP091 |
| 05:49 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1008 mb (29.77 in) | S 13 kph (S 8.1 mph) | - | 9SM |
| | KRIV 221349Z AUTO 17007KT 9SM OVC024 08/07 A2978 RMK AO2 RAB1319E1341 SLP091 |
| 05:41 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | S 13 kph (S 8.1 mph) | - | 9SM |
| | KRIV 221341Z AUTO 17007KT 9SM OVC022 08/07 A2979 RMK AO2 RAB1319E1341 CIG 015 RWY14 SLP093 |
| 05:40 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1009 mb (29.8 in) | S 11 kph (S 6.9 mph) | - | 9SM |
| | KRIV 221340Z AUTO 17006KT 9SM -RA OVC022 08/07 A2979 RMK AO2 RAB1319 CIG 015 RWY14 SLP094 |
| 05:31 PST |  Mostly Cloudy Light Rain | 7°C / 45°F | 7°C / 45°F | 100% | 1009 mb (29.8 in) | SSE 6 kph (SSE 3.5 mph) | - | 8SM |
| | KRIV 221331Z AUTO 16003KT 8SM -RA BKN026 07/07 A2979 RMK AO2 RAB1319 SLP094 |
| 05:26 PST |  Mostly Cloudy Light Rain | 7°C / 45°F | 7°C / 45°F | 100% | 1009 mb (29.8 in) | SSE 7 kph (SSE 4.6 mph) | - | 7SM |
| | KRIV 221326Z AUTO 15004KT 7SM -RA SCT016 BKN040 07/07 A2979 RMK AO2 RAB1319 SLP094 |
| 05:24 PST |  Mostly Cloudy Light Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1009 mb (29.8 in) | SSE 7 kph (SSE 4.6 mph) | - | 7SM |
| | KRIV 221324Z AUTO 16004KT 7SM -RA BKN029 07/06 A2979 RMK AO2 RAB1319 CIG 015V030 BKN V OVC SLP094 |
| 05:23 PST |  Mostly Cloudy Light Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1009 mb (29.8 in) | SSE 6 kph (SSE 3.5 mph) | - | 7SM |
| | KRIV 221323Z AUTO 16003KT 7SM -RA SCT016 BKN038 07/06 A2979 RMK AO2 RAB1319 SLP094 |
| 05:22 PST |  Mostly Cloudy Light Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1009 mb (29.8 in) | SSE 6 kph (SSE 3.5 mph) | - | 7SM |
| | KRIV 221322Z AUTO 16003KT 7SM -RA BKN029 07/06 A2979 RMK AO2 RAB1319 CIG 015V030 BKN V OVC SLP095 |
| 05:19 PST |  Mostly Cloudy Light Rain | 7°C / 45°F | 6°C / 43°F | 93% | 1009 mb (29.8 in) | SSE 6 kph (SSE 3.5 mph) | - | 7SM |
| | KRIV 221319Z AUTO 16003KT 7SM -RA SCT017 BKN041 07/06 A2980 RMK AO2 RAB1319 SLP096 |
| 04:55 PST |  Mostly Cloudy | 7°C / 45°F | 6°C / 43°F | 93% | 1009 mb (29.8 in) | Calm | 0.25 mm (0.01 in) | 9SM |
| | KRIV 221255Z AUTO 00000KT 9SM BKN050 07/06 A2981 RMK AO2 PRESFR SLP101 P0001 T00700063 |
| 03:55 PST |  Overcast | 8°C / 46°F | 7°C / 45°F | 93% | 1010 mb (29.83 in) | Calm | 0.25 mm (0.01 in) | 10SM |
| | KRIV 221155Z AUTO 00000KT 10SM OVC036 08/07 A2984 RMK AO2 RAE1106B1125E1143DZB1106E1125B1143E1145 PRESFR SLP110 P0001 60001 70001 T00790072 10108 20071 58020 |
| 03:45 PST |  Mostly Cloudy | 8°C / 46°F | 7°C / 45°F | 93% | 1011 mb (29.85 in) | Calm | - | 9SM |
| | KRIV 221145Z AUTO 00000KT 9SM FEW012 BKN036 08/07 A2986 RMK AO2 RAE1106B1125E1143DZB1106E1125B1143E1145 PRESFR SLP115 |
| 03:21 PST |  Overcast Drizzle | 8°C / 46°F | 7°C / 45°F | 93% | 1012 mb (29.88 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KRIV 221121Z AUTO 29004KT 10SM -DZ FEW012 OVC042 08/07 A2989 RMK AO2 RAE1106DZB1106 SLP124 |
| 03:20 PST |  Overcast Drizzle | 8°C / 46°F | 7°C / 45°F | 93% | 1012 mb (29.88 in) | WNW 7 kph (WNW 4.6 mph) | - | 10SM |
| | KRIV 221120Z AUTO 29004KT 10SM -DZ FEW019 OVC042 08/07 A2989 RMK AO2 RAE1106DZB1106 SLP125 |
| 03:09 PST |  Overcast | 9°C / 48°F | 6°C / 43°F | 82% | 1012 mb (29.88 in) | Calm | - | 10SM |
| | KRIV 221109Z AUTO 00000KT 10SM OVC045 09/06 A2989 RMK AO2 RAE1106DZB1106E1109 SLP125 |
| 02:55 PST |  Overcast Light Rain | 8°C / 46°F | 7°C / 45°F | 93% | 1012 mb (29.88 in) | Calm | 0.00 mm (0.00 in) | 6SM |
| | KRIV 221055Z AUTO 00000KT 6SM -RA BR OVC049 08/07 A2989 RMK AO2 RAB1042DZE1008B1031E1042 SLP127 P0000 T00850066 |
| 02:31 PST |  Mostly Cloudy Drizzle | 9°C / 48°F | 6°C / 43°F | 82% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KRIV 221031Z AUTO 00000KT 10SM -DZ BKN060 09/06 A2990 RMK AO2 DZE1008B1031 CIG 050 RWY14 SLP130 |
| 02:08 PST |  Mostly Cloudy | 9°C / 48°F | 6°C / 43°F | 82% | 1013 mb (29.91 in) | SE 6 kph (SE 3.5 mph) | - | 10SM |
| | KRIV 221008Z AUTO 14003KT 10SM BKN065 09/06 A2992 RMK AO2 DZE1008 CIG 048 RWY14 SLP133 |
| 01:55 PST |  Mostly Cloudy Drizzle | 9°C / 48°F | 6°C / 43°F | 82% | 1014 mb (29.94 in) | NW 7 kph (NW 4.6 mph) | 0.00 mm (0.00 in) | 10SM |
| | KRIV 220955Z AUTO 31004KT 10SM -DZ BKN065 09/06 A2993 RMK AO2 DZB0953 CIG 047 RWY14 SLP138 P0000 T00890055 |
| 01:53 PST |  Mostly Cloudy Drizzle | 9°C / 48°F | 5°C / 41°F | 76% | 1014 mb (29.94 in) | NW 9 kph (NW 5.8 mph) | - | 10SM |
| | KRIV 220953Z AUTO 32005KT 10SM -DZ BKN065 09/05 A2993 RMK AO2 DZB0953 SLP138 |
| 00:55 PST |  Mostly Cloudy | 8°C / 46°F | 5°C / 41°F | 82% | 1013 mb (29.91 in) | Calm | - | 10SM |
| | KRIV 220855Z AUTO 00000KT 10SM BKN110 08/05 A2991 RMK AO2 SLP132 T00800047 58011 |