Point Forecast Matrices
Issued by NWS Eureka, CA

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PFMEKA

Point Forecast Matrices
National Weather Service EUREKA CA
135 PM PDT Mon Aug 17 2026

CAZ101-181100-
Crescent City-Del Norte CA
41.78N 124.24W Elev. 57 ft
135 PM PDT Mon Aug 17 2026

Date          Mon 08/17/26      Tue 08/18/26            Wed 08/19/26         Thu
PDT 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      52          63          53          63          52
Temp          61 62 59 56 55 54 54 59 61 62 60 56 55 54 55 58 61 61 57 56 55 54
Dewpt         55 56 56 55 55 54 53 56 56 57 57 55 54 53 54 55 56 57 56 56 55 54
RH            81 81 90 96100100 96 90 84 84 90 96 96 96 96 90 84 87 96100100100
Wind dir       S  S  S  S  S  W SW SW NW NW  S  S  N  N NE  W NW NW NW  S  N  N
Wind spd       6  4 10  5  2  1  2  4  5  5  3  3  2  1  2  3  6  8  4  2  1  0
Clouds        B1 SC SC B1 B2 OV OV B2 SC B1 B1 B1 B2 B2 OV B2 SC SC B1 B2 OV OV
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                       PF+                      PF                   PF  F


Date           08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
PDT 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          61      51    57      51    59      53    62      53    60
Temp          57 56 55   52 54 56 54   52 56 58 56   54 59 60 57   54 57 58
Dewpt         56 55 54   52 54 55 54   52 54 56 55   54 55 55 55   53 54 55
PWind dir         W      NW     W      NW    NW       N     N       N    NW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    OV B2 B1   OV OV B2 B1   B2 B2 B1 SC   B1 B2 SC FW   B1 B2 B1
PoP 12hr          0       0     0       0     0       5     0       0     0

$$
CAZ103-181100-
Mckinleyville-Humboldt CA
40.98N 124.11W Elev. 225 ft
135 PM PDT Mon Aug 17 2026

Date          Mon 08/17/26      Tue 08/18/26            Wed 08/19/26         Thu
PDT 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      52          63          52          62          52
Temp          62 63 59 56 56 54 53 58 61 62 58 56 55 54 53 58 60 60 57 56 55 54
Dewpt         55 56 56 55 55 53 53 55 55 56 55 54 53 53 52 54 55 55 55 54 54 53
RH            78 78 90 96 96 96100 90 81 81 90 93 93 96 96 86 84 84 93 93 96 96
Wind dir       W NW NW SW  S SE  W  W NW NW NW  N  N  N  N  W NW NW NW  N  N  N
Wind spd       4  5  4  1  1  1  1  4  6  9  3  0  0  0  0  4  8  9  4  0  0  0
Clouds        SC SC B1 B2 B2 OV OV B2 B1 B1 B2 B2 B2 B2 OV B2 B1 SC B1 OV OV OV
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                  PF PF PF PF                PF  F PF             PF PF PF


Date           08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
PDT 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          62      52    61      52    62      53    65      53    63
Temp          57 59 56   53 57 58 56   53 59 60 57   55 61 62 57   55 60 61
Dewpt         55 55 54   53 55 54 54   53 54 55 54   53 55 55 54   53 55 55
PWind dir         W      NW    NW       N     N       N     N       N    NW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    OV B2 B2   OV OV B2 SC   B2 OV B1 SC   B2 B2 B1 SC   B1 B2 B2
PoP 12hr          0       0     0       0     0       0     0       0     0

$$
CAZ106-181100-
Garberville-Humboldt CA
40.10N 123.80W Elev. 512 ft
135 PM PDT Mon Aug 17 2026

Date          Mon 08/17/26      Tue 08/18/26            Wed 08/19/26         Thu
PDT 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      54          93          54          91          53
Temp          85 85 74 61 57 55 58 75 91 92 78 64 59 56 57 74 89 89 72 62 58 55
Dewpt         50 49 53 52 53 52 55 55 55 55 56 54 53 52 53 55 55 55 54 55 53 52
RH            30 29 48 72 86 90 90 50 30 29 47 70 80 86 86 51 32 32 53 78 83 90
Wind dir       S  N  N NW NW  W  N  N  N  N  N  N  N  N  N NW NW NW  N  N  N  N
Wind spd       3  9  4  2  2  1  2  8 12  8  3  0  0  0  1  2  4  5  1  0  0  0
Clouds        CL CL FW SC SC B1 SC FW FW SC B1 SC B1 SC FW FW CL FW SC SC SC SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis             K  K


Date           08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
PDT 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          88      52    84      50    83      52    91      53    87
Temp          71 84 61   53 70 81 58   51 71 80 60   53 75 88 62   54 74 85
Dewpt         55 53 54   52 54 52 53   51 54 52 54   51 54 51 53   51 54 52
PWind dir         W      NW    NW      NW     N       N    NW       N    NW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC   SC SC FW CL   FW SC CL CL   FW FW CL CL   FW FW FW
PoP 12hr          0       5     0       0     0       0     0       0     0

$$
CAZ113-181100-
Ukiah-Mendocino CA
39.13N 123.17W Elev. 620 ft
135 PM PDT Mon Aug 17 2026

Date          Mon 08/17/26      Tue 08/18/26            Wed 08/19/26         Thu
PDT 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      59          95          60          94          58
Temp          91 91 82 71 65 60 61 79 93 93 84 73 66 61 62 79 92 90 78 70 64 59
Dewpt         52 54 55 53 53 52 52 55 56 56 56 53 53 53 53 56 56 55 54 53 52 51
RH            27 29 40 53 65 75 72 44 29 29 38 49 63 75 72 45 30 31 43 55 65 75
Wind dir      SW  W NE  N  N  N NE NW  W  W NE NW NW  N  N  W  W  W  W NW  N  N
Wind spd       3  8  2  0  0  0  1  2 10  8  1  1  1  0  1  1  5  6  2  3  2  1
Wind gust     14                                                 17
Clouds        FW CL FW SC SC SC FW FW CL SC SC SC FW SC FW CL FW CL FW SC SC SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
PDT 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          90      57    85      55    86      58    93      58    90
Temp          74 85 67   58 73 82 64   56 74 84 66   58 80 90 70   59 77 86
Dewpt         54 53 51   50 53 53 51   50 53 52 51   50 52 51 51   50 53 54
PWind dir        NW      NW    NW      NW    NW      NW     S       W     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC   SC SC FW CL   FW FW CL CL   FW FW CL CL   FW FW CL
PoP 12hr          0       0     0       0     0       0     0       0     0

$$
CAZ107-181100-
Weaverville-Trinity CA
40.74N 122.94W Elev. 1968 ft
135 PM PDT Mon Aug 17 2026

Date          Mon 08/17/26      Tue 08/18/26            Wed 08/19/26         Thu
PDT 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      58          98          59          98          58
Temp          88 92 84 74 66 61 62 80 93 97 88 76 68 62 63 81 94 96 86 76 68 62
Dewpt         42 41 46 45 45 46 48 50 46 45 48 46 45 44 46 48 46 46 47 46 46 46
RH            20 17 27 35 47 58 60 35 20 17 25 34 43 52 54 32 19 18 26 34 45 56
Wind dir       E  W  W  W  N  W  S  S SE  W  W  W  N  N  N SE  S SW  W  W  N  N
Wind spd       3 11 11  2  0  1  1  2  4 11  9  2  0  0  1  2  3  6  5  2  0  0
Clouds        CL FW CL FW FW SC SC FW FW FW FW FW SC B1 FW CL CL FW SC FW FW SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                   K  K  K              K  K
Heat index                         80
Max heat         88    86          80    93    91          80    93    90


Date           08/20/26  Fri 08/21/26  Sat 08/22/26  Sun 08/23/26  Mon 08/24/26
PDT 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          96      57    91      52    90      54    94      56    92
Temp          80 93 75   59 79 88 70   55 77 88 70   58 80 91 73   58 79 90
Dewpt         48 43 43   45 47 45 45   46 48 42 46   44 46 39 42   42 45 40
PWind dir         E       W     S       W     W       W     E      SW     E
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW FW SC   SC SC FW FW   CL CL CL CL   CL CL CL CL   CL CL CL
PoP 12hr          0       0     0       0     0       0     0       0     0

$$

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