National Weather Service United States Department of Commerce

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

NZUS02 KPDT 240814
24HCHG
**** 24 HR CHANGE (TEMPERATURE DEWPOINT RH PRESSURE AND WIND) ****

08Z   TMP  CHG  DPT  CHG   RH  CHG   PRS   CHG    WND       YDA WND
UIL     MISSING                                                       
ELN    33   -2   32    0   96   +7   063  -4.4   00000     31006      
AST    44   -2   41   +8   89  +29   994 -11.7   06008     21010G21   
BKE    32   -1   31   -1   96    0   066  -6.4   00000     28005      
HRI    38   +7   36   +5   92   -8   050  -6.8   13004     00000      
SEA    41    0   36   -1   82   -4   033  -8.2   01011     16006      
EAT    35   +3   32    0   89  -11   079  -2.7   31006     05005      
PDX    44   -1   41   -2   89   -4   986 -14.4   30008     00000      
TTD    46    0   38   -6   73  -20   980 -15.0   09017G26  00000      
SLE    43   -1   40   -2   89   -4   973 -15.3   33007     15006      
EUG    43   -1   41   -1   93    0   972 -15.4   35011     00000      
MFR    41   +3   40   +4   96   +4   961 -16.8   00000     00000      
SMP    28   +1   28   +1  100    0   670  -5.4      M      28003      
YKM    38   -5   33   -1   82  +12   059  -4.7   26007     19012      
DLS    40    M   39    M   96    M   049     M   00000        M       
RDM    33   -5   33   +6  100  +36   018  -8.3   31006     17013      
LMT    44  +13   39   +9   82  -14   976 -13.6   14018G37  00000      
GEG    36    0   35   +4   96  +14   074  -3.8   05008     17006      
PDT    36   +1   35   +3   96   +7   038  -7.1   02003     03004      
BNO    38   +7   34   +5   85   -7   033  -9.5   VRB03     02006      
PSC    37   +3   34   +1   89   -7   055  -6.1   32004     06003      
ALW    36   -3   36   +2  100  +18   047  -6.6   13007     36003      
MEH     MISSING                                                       
GCD    47   +9   35   +1   63  -22   020  -9.2   33005     07004      
HMS     MISSING                                                       
LGD    38   -5   38   -1  100  +14   065  -6.0   36005     20012      
LKV    45   +5   36    0   70  -15   011 -11.3   19015G20  20003      
BOI    57   +5   31   -9   37  -26   053  -6.3   12015     12014      
ONO    39   -1   38   -2   96   -4   075  -7.2   27005     26005