| 12:55 MST |  Partly Cloudy Fog | N/A | N/A | N/A | N/A | NNW 69 kph (NNW 42.6 mph) | - | M1/4SM |
| | KRCA 261955Z AUTO 34037G45KT M1/4SM FG FEW130 RMK AO2 PK WND 35048/1906 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 12:47 MST |  Partly Cloudy Fog | N/A | N/A | N/A | N/A | NNW 69 kph (NNW 42.6 mph) | - | M1/4SM |
| | KRCA 261947Z AUTO 34037G47KT M1/4SM FG FEW003 RMK AO2 PK WND 35048/1906 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 12:40 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 70 kph (NNW 43.7 mph) | - | M1/4SM |
| | KRCA 261940Z AUTO 34038G47KT M1/4SM FG VV004 RMK AO2 PK WND 35048/1906 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 12:39 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 70 kph (NNW 43.7 mph) | - | M1/4SM |
| | KRCA 261939Z AUTO 34038G46KT M1/4SM FG VV006 RMK AO2 PK WND 35048/1906 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 12:23 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 72 kph (NNW 44.9 mph) | - | M1/4SM |
| | KRCA 261923Z AUTO 34039G46KT M1/4SM FG VV009 RMK AO2 PK WND 35048/1906 SCT V BKN SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 12:18 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 69 kph (NNW 42.6 mph) | - | M1/4SM |
| | KRCA 261918Z AUTO 34037G46KT M1/4SM FG VV013 RMK AO2 PK WND 35048/1906 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 12:09 MST |  Obscured Fog | N/A | N/A | N/A | N/A | N 67 kph (N 41.4 mph) | - | M1/4SM |
| | KRCA 261909Z AUTO 35036G48KT M1/4SM FG VV017 RMK AO2 PK WND 35048/1906 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 12:02 MST |  Obscured Fog | N/A | N/A | N/A | N/A | N 67 kph (N 41.4 mph) | - | M1/4SM |
| | KRCA 261902Z AUTO 35036G46KT M1/4SM FG VV010 RMK AO2 PK WND 34045/1855 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 11:59 MST |  Obscured Fog | N/A | N/A | N/A | N/A | N 70 kph (N 43.7 mph) | - | M1/4SM |
| | KRCA 261859Z AUTO 35038G46KT M1/4SM FG VV009 RMK AO2 PK WND 34045/1855 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 11:55 MST |  Partly Cloudy Fog | N/A | N/A | N/A | N/A | N 67 kph (N 41.4 mph) | - | M1/4SM |
| | KRCA 261855Z AUTO 35036G46KT M1/4SM FG SCT009 SCT200 RMK AO2 PK WND 35051/1755 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 11:48 MST |  Mostly Cloudy Fog | N/A | N/A | N/A | N/A | N 72 kph (N 44.9 mph) | - | M1/4SM |
| | KRCA 261848Z AUTO 35039G46KT M1/4SM FG SCT005 BKN200 RMK AO2 PK WND 35051/1755 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 11:46 MST |  Mostly Cloudy Fog | N/A | N/A | N/A | N/A | N 67 kph (N 41.4 mph) | - | M1/4SM |
| | KRCA 261846Z AUTO 35036G46KT M1/4SM FG BKN006 BKN190 RMK AO2 PK WND 35051/1755 BKN006 V SCT SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 11:45 MST |  Mostly Cloudy Fog | N/A | N/A | N/A | N/A | N 65 kph (N 40.3 mph) | - | M1/4SM |
| | KRCA 261845Z AUTO 35035G43KT M1/4SM FG SCT003 BKN190 RMK AO2 PK WND 35051/1755 SCT V BKN SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 11:39 MST |  Mostly Cloudy Fog | N/A | N/A | N/A | N/A | NNW 65 kph (NNW 40.3 mph) | - | M1/4SM |
| | KRCA 261839Z AUTO 34035G48KT M1/4SM FG BKN003 BKN200 RMK AO2 PK WND 35051/1755 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 11:25 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 69 kph (NNW 42.6 mph) | - | M1/4SM |
| | KRCA 261825Z AUTO 34037G44KT M1/4SM FG VV001 RMK AO2 PK WND 35051/1755 OVC V BKN SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 11:07 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 67 kph (NNW 41.4 mph) | - | M1/4SM |
| | KRCA 261807Z AUTO 34036G46KT M1/4SM FG VV004 RMK AO2 PK WND 35051/1755 OVC V BKN SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 10:58 MST |  Obscured Fog | N/A | N/A | N/A | N/A | N 65 kph (N 40.3 mph) | - | M1/4SM |
| | KRCA 261758Z AUTO 35035G51KT M1/4SM FG VV005 RMK AO2 PK WND 35051/1755 OVC V BKN SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 10:55 MST |  Obscured Fog | N/A | N/A | N/A | N/A | N 70 kph (N 43.7 mph) | - | M1/4SM |
| | KRCA 261755Z AUTO 35038G46KT M1/4SM FG VV006 RMK AO2 PK WND 35046/1754 SLPNO 1//// 2//// RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 10:53 MST |  Obscured Fog | N/A | N/A | N/A | N/A | N 70 kph (N 43.7 mph) | - | M1/4SM |
| | KRCA 261753Z AUTO 35038G46KT M1/4SM FG VV007 RMK AO2 PK WND 35046/1752 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 10:36 MST |  Obscured Fog | N/A | N/A | N/A | N/A | N 67 kph (N 41.4 mph) | - | M1/4SM |
| | KRCA 261736Z AUTO 35036G44KT M1/4SM FG VV009 RMK AO2 PK WND 34045/1708 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 10:18 MST |  Mostly Cloudy Fog | N/A | N/A | N/A | N/A | NNW 65 kph (NNW 40.3 mph) | - | M1/4SM |
| | KRCA 261718Z AUTO 34035G45KT M1/4SM FG BKN014 BKN220 RMK AO2 PK WND 34045/1708 BKN014 V SCT SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 10:17 MST |  Mostly Cloudy Fog | N/A | N/A | N/A | N/A | NNW 65 kph (NNW 40.3 mph) | - | M1/4SM |
| | KRCA 261717Z AUTO 34035G45KT M1/4SM FG SCT014 BKN220 RMK AO2 PK WND 34045/1708 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 10:08 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 70 kph (NNW 43.7 mph) | - | M1/4SM |
| | KRCA 261708Z AUTO 34038G45KT M1/4SM FG VV014 RMK AO2 PK WND 35045/1706 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 09:55 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 74 kph (NNW 46 mph) | - | M1/4SM |
| | KRCA 261655Z AUTO 34040G46KT M1/4SM FG VV017 RMK AO2 PK WND 34046/1654 BKN V SCT SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 09:33 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 70 kph (NNW 43.7 mph) | - | M1/4SM |
| | KRCA 261633Z AUTO 34038G45KT M1/4SM FG VV016 RMK AO2 PK WND 34045/1625 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 09:22 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 65 kph (NNW 40.3 mph) | - | M1/4SM |
| | KRCA 261622Z AUTO 34035G45KT M1/4SM FG VV010 RMK AO2 PK WND 34045/1614 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 09:01 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 65 kph (NNW 40.3 mph) | - | M1/4SM |
| | KRCA 261601Z AUTO 34035G45KT M1/4SM FG VV008 RMK AO2 PK WND 34045/1555 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 08:55 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 63 kph (NNW 39.1 mph) | - | M1/4SM |
| | KRCA 261555Z AUTO 34034G43KT M1/4SM FG VV006 RMK AO2 PK WND 34046/1537 BKN V SCT SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 08:52 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 65 kph (NNW 40.3 mph) | - | M1/4SM |
| | KRCA 261552Z AUTO 34035G44KT M1/4SM FG VV006 RMK AO2 PK WND 34046/1537 SCT V BKN SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 08:39 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 70 kph (NNW 43.7 mph) | - | M1/4SM |
| | KRCA 261539Z AUTO 34038G46KT M1/4SM FG VV007 RMK AO2 PK WND 34046/1537 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 08:36 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 65 kph (NNW 40.3 mph) | - | M1/4SM |
| | KRCA 261536Z AUTO 34035G43KT M1/4SM FG VV005 RMK AO2 PK WND 34046/1520 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 08:30 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 69 kph (NNW 42.6 mph) | - | M1/4SM |
| | KRCA 261530Z AUTO 34037G46KT M1/4SM FG VV006 RMK AO2 PK WND 34046/1520 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 08:23 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 67 kph (NNW 41.4 mph) | - | M1/4SM |
| | KRCA 261523Z AUTO 34036G46KT M1/4SM FG VV007 RMK AO2 PK WND 34046/1520 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 08:18 MST |  Obscured Fog | N/A | N/A | N/A | N/A | N 72 kph (N 44.9 mph) | - | M1/4SM |
| | KRCA 261518Z AUTO 35039G46KT M1/4SM FG VV008 RMK AO2 PK WND 34046/1516 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 08:09 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 69 kph (NNW 42.6 mph) | - | M1/4SM |
| | KRCA 261509Z AUTO 34037G45KT M1/4SM FG VV006 RMK AO2 PK WND 34045/1500 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 08:08 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 65 kph (NNW 40.3 mph) | - | M1/4SM |
| | KRCA 261508Z AUTO 34035G45KT M1/4SM FG VV007 RMK AO2 PK WND 34045/1500 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 08:00 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 67 kph (NNW 41.4 mph) | - | M1/4SM |
| | KRCA 261500Z AUTO 34036G45KT M1/4SM FG VV006 RMK AO2 PK WND 35045/1457 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 07:55 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 69 kph (NNW 42.6 mph) | - | M1/4SM |
| | KRCA 261455Z AUTO 34037G45KT M1/4SM FG VV002 RMK AO2 PK WND 35049/1402 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 07:24 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 69 kph (NNW 42.6 mph) | - | M1/4SM |
| | KRCA 261424Z AUTO 34037G46KT M1/4SM FG VV002 RMK AO2 PK WND 35049/1402 BKN V OVC SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 06:55 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 74 kph (NNW 46 mph) | - | M1/4SM |
| | KRCA 261355Z AUTO 34040G46KT M1/4SM FG VV001 RMK AO2 PK WND 34050/1335 BKN V OVC SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 06:06 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 67 kph (NNW 41.4 mph) | - | M1/4SM |
| | KRCA 261306Z AUTO 34036G45KT M1/4SM FG VV001 RMK AO2 PK WND 34045/1303 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 05:55 MST |  Clear Fog | N/A | N/A | N/A | N/A | N 70 kph (N 43.7 mph) | - | M1/4SM |
| | KRCA 261255Z AUTO 35038G46KT 340V060 M1/4SM FG CLR RMK AO2 PK WND 34046/1247 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 04:55 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 61 kph (NNW 38 mph) | - | M1/4SM |
| | KRCA 261155Z AUTO 34033G40KT M1/4SM FG VV001 RMK AO2 PK WND 34045/1105 SLPNO 1//// 2//// RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 03:55 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 67 kph (NNW 41.4 mph) | - | M1/4SM |
| | KRCA 261055Z AUTO 34036G43KT M1/4SM FG VV001 RMK AO2 PK WND 34045/1043 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 02:55 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 61 kph (NNW 38 mph) | - | M1/4SM |
| | KRCA 260955Z AUTO 34033G40KT M1/4SM FG VV001 RMK AO2 PK WND 34042/0902 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 01:55 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 63 kph (NNW 39.1 mph) | - | M1/4SM |
| | KRCA 260855Z AUTO 34034G41KT M1/4SM FG VV001 RMK AO2 PK WND 34046/0800 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 00:55 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 70 kph (NNW 43.7 mph) | - | M1/4SM |
| | KRCA 260755Z AUTO 34038G50KT M1/4SM FG VV001 RMK AO2 PK WND 34050/0748 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 00:43 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 69 kph (NNW 42.6 mph) | - | M1/4SM |
| | KRCA 260743Z AUTO 34037G47KT M1/4SM FG VV001 RMK AO2 PK WND 34047/0734 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |
| 00:06 MST |  Obscured Fog | N/A | N/A | N/A | N/A | NNW 67 kph (NNW 41.4 mph) | - | M1/4SM |
| | KRCA 260706Z AUTO 34036G45KT M1/4SM FG VV003 RMK AO2 PK WND 34045/0703 SLPNO RVRNO PWINO PNO FZRANO TSNO VISNO RWY31 CHINO RWY31 $ |