Point Forecast Matrices
Issued by NWS Boise, ID

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FOUS55 KBOI 150831
PFMBOI

Point Forecast Matrices
National Weather Service Boise ID
230 AM MDT Tue Sep 15 2026

IDZ014-152200-
Boise Airport-Ada County ID
43.57N 116.24W Elev. 2858 ft
230 AM MDT Tue Sep 15 2026

Date             Tue 09/15/26            Wed 09/16/26            Thu 09/17/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      77          49          80          55          75
Temp          49 47 52 68 75 75 66 58 54 50 53 68 77 79 69 62 57 55 57 69 74 73
Dewpt         38 37 37 36 35 30 32 33 34 36 38 39 38 36 38 40 44 46 48 49 48 47
RH            66 68 56 31 23 19 28 39 46 58 57 34 24 21 32 44 62 72 72 49 40 40
Wind dir      SE SE SE  S  S NW NW  S SW  S SW  W NW NW  W SW SE SE  S  S  W  W
Wind spd       4  6  5  6  2  4  5  4  3  3  2  3  4  5  2  1  1  2  2  8  9  8
Clouds        FW FW CL CL FW SC B1 SC SC FW CL CL CL FW FW B1 B1 B1 B1 B1 B1 SC
PoP 12hr                      0           0           0          40          50
QPF 12hr                      0           0           0           0        0.08
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  C  C  C  C  C  C  S
Tstms                                                                      S


Date               Fri 09/18/26  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            52    76      51    79      52    82      54    83
Temp          59   53 70 74 58   52 71 77 59   54 74 80 61   55 75 81
Dewpt         47   46 49 43 44   43 44 39 42   40 40 37 39   38 39 36
PWind dir          NE     N      NE    SE      NE    SE      NE     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   SC FW FW FW   FW FW FW FW   SC SC FW FW   SC SC SC
PoP 12hr           20    10       5     0       5     0       0     0
Rain shwrs     S    S

$$
IDZ016-152200-
Twin Falls Airport-Twin Falls County ID
42.48N 114.48W Elev. 4150 ft
230 AM MDT Tue Sep 15 2026

Date             Tue 09/15/26            Wed 09/16/26            Thu 09/17/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      75          45          79          52          76
Temp          45 43 50 66 74 73 60 54 50 47 54 68 78 77 65 60 56 53 60 72 75 72
Dewpt         29 28 28 35 35 35 32 29 28 27 27 35 39 41 40 40 40 40 43 48 45 44
RH            53 55 42 32 24 25 35 38 42 45 35 29 25 28 40 47 55 61 53 42 34 37
Wind dir       S SE  E  E NE  N  W SW SW SW NW NE NE SE  S  S  S  S  S  S SW  W
Wind spd       6  5  4  8  6  9  4  6  8  5  1  6  6  4  6  6  4  8 10 14 14 11
Wind gust                                                              25    21
Clouds        FW FW FW SC FW CL FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC FW
PoP 12hr                      0           0           0          10          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        S  S  S  S


Date               Fri 09/18/26  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            48    72      46    75      46    79      49    80
Temp          56   49 68 70 55   48 69 73 55   49 72 76 59   51 74 77
Dewpt         41   36 46 43 39   37 43 39 35   34 40 37 34   33 38 37
PWind dir          SW     W      SW     W       S     E      SE     E
Wind char          GN    GN      GN    LT      LT    LT      LT    LT
Avg clouds    FW   FW FW CL CL   FW FW FW FW   FW SC FW FW   SC SC FW
PoP 12hr           10     5       5     5       0     0       0     5

$$
IDZ011-152200-
McCall Airport-Valley County ID
44.88N 116.10W Elev. 5020 ft
230 AM MDT Tue Sep 15 2026

Date             Tue 09/15/26            Wed 09/16/26            Thu 09/17/26
MDT 3hrly     03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      65          37          74          41          68
Temp          36 34 40 60 64 62 50 45 41 37 43 66 74 72 56 49 44 41 46 64 67 63
Dewpt         36 34 35 38 32 31 35 39 38 37 38 41 34 37 42 43 41 41 43 48 48 48
RH           100100 82 44 30 31 56 79 89100 82 40 23 28 59 80 89100 89 56 50 58
Wind dir       E SE SE  S SW NW  N  N  N  N  N NW NW NW  N NE NE NE  E  S SW SW
Wind spd       2  1  1  4  3  4  4  4  4  4  2  3  5  6  6  4  4  3  2  6  5  5
Clouds        CL CL FW CL B1 B2 B1 B2 SC SC FW FW FW FW FW SC SC B2 B2 B2 B2 B2
PoP 12hr                      0           0           0          20          80
QPF 12hr                      0           0           0           0        0.14
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                  S  S  L  L  D  D  L
Tstms                                                                      S  C
Obvis          F  F


Date               Fri 09/18/26  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26
MDT 6hrly     00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            40    67      38    70      39    74      41    74
Temp          48   40 61 65 46   38 65 68 47   40 67 71 49   41 68 71
Dewpt         46   40 47 40 42   38 42 37 41   37 40 35 39   36 40 35
PWind dir          SE     W       N     N       N     N       E    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B1 SC B1 FW   FW FW FW FW   FW FW FW FW   FW FW FW
PoP 12hr           70    40       5     5       5     0       0     0
Rain shwrs     L    C  S  C
Tstms          C

$$
ORZ062-152200-
Baker City Airport-Baker County OR
44.83N 117.82W Elev. 3373 ft
130 AM PDT Tue Sep 15 2026

Date                Tue 09/15/26            Wed 09/16/26            Thu 09/17/26
PDT 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      70          37          73          37          72
Temp          41 37 42 62 70 68 56 50 46 41 45 63 73 71 59 52 45 40 46 65 71 69
Dewpt         39 37 38 42 40 40 41 43 43 41 43 45 44 45 45 45 42 39 45 49 49 50
RH            92100 86 48 33 36 57 77 89100 93 52 35 39 60 77 89 96 96 56 46 51
Wind dir       S  S  N SE SE  E  N NW NW NW NW  N  N NW NW  W  W  W NW  N SE  S
Wind spd       2  1  0  4  8  9  9  8  8  4  9 11 13 13 10  4  4  3  3  2  3  3
Clouds        CL FW FW B1 B1 SC B2 B1 B1 SC SC FW CL CL FW FW FW B1 B1 B2 B2 B1
PoP 12hr                      0           5           0          10          60
QPF 12hr                      0           0           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  L  L  C
Tstms                                                                      S  C
Obvis             F


Date               Fri 09/18/26  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26
PDT 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            37    75      37    77      39    80      40    78
Temp          51   39 66 72 52   43 68 75 53   44 70 77 54   44 70 75
Dewpt         47   39 49 44 43   40 45 42 42   39 44 41 41   38 43 41
PWind dir           W    NE       N     E       E    SE      SE     E
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC FW FW   CL FW FW FW   FW FW FW FW   FW FW FW
PoP 12hr           50    10       5     0       0     0       0     0
Rain shwrs     C    S
Tstms          C

$$
ORZ061-152200-
Burns Airport-Harney County OR
43.58N 118.95W Elev. 4144 ft
130 AM PDT Tue Sep 15 2026

Date                Tue 09/15/26            Wed 09/16/26            Thu 09/17/26
PDT 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      71          38          72          36          70
Temp          38 35 43 61 69 70 58 50 45 41 46 63 70 71 58 50 43 38 45 62 69 67
Dewpt         27 27 28 32 31 26 32 35 38 37 38 41 37 34 39 41 39 36 40 46 43 40
RH            64 72 55 33 24 19 37 56 76 85 73 44 30 26 49 71 86 92 82 56 39 37
Wind dir      NE  N NE SE  S SE NE  N  N NW  N  E  E  E  N NW NW NW  N SW SW  W
Wind spd       2  1  1  4  3  2  6  9 11  8  2  9  8  9  5  8  8  6  3  6  9 17
Clouds        CL CL FW B1 B1 SC SC B1 SC SC SC FW FW FW FW FW SC B1 B1 B1 B1 SC
PoP 12hr                      0          10           5          10          40
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  C  C  S
Tstms                                                                         S


Date               Fri 09/18/26  Sat 09/19/26  Sun 09/20/26  Mon 09/21/26
PDT 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            35    75      36    76      38    80      39    79
Temp          49   37 65 72 50   40 68 74 52   42 71 78 55   41 70 77
Dewpt         42   36 44 33 35   34 39 30 33   32 37 28 32   31 37 29
PWind dir          NW     W      NW     E      NE     E      NE     E
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   FW FW FW FW   FW FW FW FW   FW SC FW FW   FW SC FW
PoP 12hr           20     5       0     0       0     0       0     0
Rain shwrs     S
Tstms          S

$$