National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

NZUS02 KPDT 250914
24HCHG
**** 24 HR CHANGE (TEMPERATURE DEWPOINT RH PRESSURE AND WIND) ****

09Z   TMP  CHG  DPT  CHG   RH  CHG   PRS   CHG    WND       YDA WND
UIL     MISSING                                                       
ELN    30   -3   28   -4   92   -4   052  +0.3   08004     VRB03      
AST    43    0   40   -1   89   -4   987  +0.7   05011     00000      
BKE    43  +11   38   +7   82  -14   045  -1.0   11006     25004      
HRI    30   -9   30   -6  100  +11   047  +0.8   19006     00000      
SEA    38   -2   36   -1   92   +3   042  +3.0   01008     35010      
EAT    32   -1   32   -1  100    0   059  -1.1   29007     27007      
PDX    39   -5   39   -2  100  +11   002  +3.2   00000     32004      
TTD    45   -2   39   +1   79   +8   998  +2.9   09015G26  09016      
SLE    41   -2   40    0   96   +7   987  +3.4   33003     34006      
EUG    42   -1   41    0   96   +3   992  +3.3   33008     36010      
MFR    49   +8   38   -3   66  -34   971  +2.1   17012G18  00000      
SMP    29    0   29    0  100    0   675  +1.5   VRB03     VRB03      
YKM    30   -8   29   -4   96  +14   055  +0.8   24003     28007      
DLS    34   -7   34   -4  100  +11   047  +0.9   08003     00000      
RDM    31   -2   31   -2  100    0   014  +0.3   00000     34003      
LMT    37   -7   34   -4   89  +10   996  +2.5   16017G23  14020G30   
GEG    39   +3   37   +2   92   -4   059  -0.7   15003     04008      
PDT    37   +1   32   -3   82  -14   038  +1.4   07003     06005      
BNO    35   -5   31   -4   85   +3   047  +1.6   08003     22004      
PSC    29   -9   29   -6  100  +11   053  +1.5   34004     34006      
ALW    37   +1   35   -1   92   -8   039  -0.1   08007     22007      
MEH     MISSING                                                       
GCD    45   -5   31   -2   58   +6   030  +1.6   17015G21  14005      
HMS     MISSING                                                       
LGD    47  +10   42   +5   83  -17   041  -0.8   18013     32005      
LKV    42   -5   33   -4   70   +2   021  +2.1   16016G27  17017G24   
BOI    46  -11   42  +11   86  +49   065  +2.2   06006     11016      
ONO    46   +8   43   +6   89   -7   072  +1.3   00000     09004