Point Forecast Matrices
Issued by NWS Boise, ID

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705
FOUS55 KBOI 171903
PFMBOI

Point Forecast Matrices
National Weather Service Boise ID
103 PM MDT Thu Sep 17 2026

IDZ014-172200-
Boise Airport-Ada County ID
43.57N 116.24W Elev. 2858 ft
103 PM MDT Thu Sep 17 2026

Date             Thu 09/17/26            Fri 09/18/26            Sat 09/19/26
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                      83          55          75          53          75
Temp                      83 81 70 63 58 57 59 68 74 74 65 60 56 54 56 67 74 75
Dewpt                     46 43 44 45 47 47 50 52 51 49 49 49 50 49 49 48 45 44
RH                        27 26 39 52 67 69 72 57 44 41 56 67 80 83 77 50 35 33
Wind dir                   W  W NW  W  W NW NW NW NW  N  W SW SW  W NW NW NW NW
Wind spd                  11 10  4  2  3  4  4  8  9  6  3  2  3  2  2  6 10 10
Wind gust                 21
Clouds                    CL CL FW B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 OV SC FW FW FW
PoP 12hr                      5          20          20          10          10
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  S  S
Tstms                                     S  S  S  S


Date               Sun 09/20/26  Mon 09/21/26  Tue 09/22/26  Wed 09/23/26
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            54    80      56    82      56    82      55    81
Temp          60   54 72 80 64   57 75 80 63   57 74 80 62   55 73 79
Dewpt         45   45 46 45 46   46 46 42 43   43 43 37 39   40 41 36
PWind dir          SW     S      NE    SE      NE    NE       N    SW
Wind char          LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    FW   FW FW CL CL   FW FW FW SC   SC FW FW FW   SC FW FW
PoP 12hr            0     0       0     0       0     0       5     0

$$
IDZ016-172200-
Twin Falls Airport-Twin Falls County ID
42.48N 114.48W Elev. 4150 ft
103 PM MDT Thu Sep 17 2026

Date             Thu 09/17/26            Fri 09/18/26            Sat 09/19/26
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                      82          53          70          49          68
Temp                      82 79 66 61 58 55 61 66 70 67 58 54 53 52 55 62 67 66
Dewpt                     43 43 42 41 41 38 41 53 46 46 45 43 41 42 43 47 41 41
RH                        25 28 42 48 53 53 48 63 42 47 62 66 64 69 64 58 39 40
Wind dir                   S  W SW SW SW SW SW NW NW  W SW SW SW SW SW  W  W  W
Wind spd                  12  9  9 11 10  9  9 10 11 13 10 11 12 11 11 10 12  9
Wind gust                 24 19                      24                21    19
Clouds                    FW FW B1 SC FW SC SC B1 B1 B1 SC SC B1 B1 B1 SC SC SC
PoP 12hr                     10          10          30          20          20
QPF 12hr                      0           0        0.01        0.01        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                   S  C  S  S  S        S  S
Tstms                                        S  C  S  S  S


Date               Sun 09/20/26  Mon 09/21/26  Tue 09/22/26  Wed 09/23/26
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            47    74      49    77      51    77      51    77
Temp          51   47 66 74 57   52 70 75 59   53 71 75 58   53 71 75
Dewpt         40   40 46 46 43   42 47 43 41   40 44 41 38   37 42 40
PWind dir          SW    NW      SE     E       S     W      SW     W
Wind char          GN    LT      LT    LT      LT    LT      GN    GN
Avg clouds    SC   FW FW CL FW   FW SC FW SC   SC SC FW SC   SC FW FW
PoP 12hr            0     0       0     0       0     5       0     5

$$
IDZ011-172200-
McCall Airport-Valley County ID
44.88N 116.10W Elev. 5020 ft
103 PM MDT Thu Sep 17 2026

Date             Thu 09/17/26            Fri 09/18/26            Sat 09/19/26
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                      72          42          66          42          66
Temp                      72 71 57 51 45 44 49 62 66 63 52 48 45 43 46 59 65 65
Dewpt                     53 51 49 46 43 41 44 46 44 46 48 47 44 43 46 47 44 43
RH                        51 49 75 83 93 89 83 56 45 54 86 96 96100100 64 46 45
Wind dir                  SW SW NE  N NE  N  N NW  N  N  N  N  N NW  N  N  N  N
Wind spd                   6  4  3  1  1  0  0  2  3  4  4  3  2  1  1  3  3  4
Clouds                    OV SC SC SC SC B1 SC B1 B1 B2 B1 OV B2 B1 B1 SC SC SC
PoP 12hr                     90          20          40          40          20
QPF 12hr                   0.06        0.01        0.02        0.03        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  S  S        S  S  C  C  C  C  S  S  S  S  S  S
Tstms                      C  S  S        S  S  C  C  C  C              S  S
Obvis                                 PF                   PF  F  F  F


Date               Sun 09/20/26  Mon 09/21/26  Tue 09/22/26  Wed 09/23/26
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            39    73      43    73      43    71      41    70
Temp          46   39 64 72 51   44 66 70 51   43 65 69 49   41 64 68
Dewpt         43   38 44 42 44   42 45 39 42   40 42 35 40   38 40 34
PWind dir          NE    NE       W    SW       W    SW      NE    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   FW FW FW FW   FW FW FW SC   SC FW FW FW   FW SC FW
PoP 12hr            0     0       0     0       0     0       5     5

$$
ORZ062-172200-
Baker City Airport-Baker County OR
44.83N 117.82W Elev. 3373 ft
1203 PM PDT Thu Sep 17 2026

Date                Thu 09/17/26            Fri 09/18/26            Sat 09/19/26
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                      73          43          72          43          77
Temp                      72 71 58 50 46 45 49 65 72 71 61 53 49 45 50 66 75 75
Dewpt                     50 50 50 47 43 42 46 49 48 48 49 47 45 44 47 47 46 45
RH                        46 47 75 89 89 89 89 56 42 44 65 80 86 96 89 50 36 34
Wind dir                   N  N  W  S  S  N  W NW  N  N NW SW  W  W  W NW  N  N
Wind spd                   8  6  4  2  1  0  1  5  6  9  6  3  3  2  2  5  6  6
Clouds                    B1 B1 B1 FW SC SC SC SC SC B1 SC SC FW FW FW CL CL CL
PoP 12hr                     50          50          20          10           0
QPF 12hr                   0.02        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 C  C  C           S  S  S
Tstms                      C  C  C           S  S  S
Obvis                                  F  F PF                   PF


Date               Sun 09/20/26  Mon 09/21/26  Tue 09/22/26  Wed 09/23/26
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            42    79      43    80      42    76      39    74
Temp          52   42 66 78 56   47 71 78 56   46 68 74 52   42 65 72
Dewpt         43   40 46 45 45   42 47 44 44   42 44 42 42   40 42 40
PWind dir          SW    NE       E    SE       N     N      NW     N
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    CL   FW FW CL FW   FW FW FW FW   FW FW FW FW   FW FW FW
PoP 12hr            0     0       0     0       0     0       5     5

$$
ORZ061-172200-
Burns Airport-Harney County OR
43.58N 118.95W Elev. 4144 ft
1203 PM PDT Thu Sep 17 2026

Date                Thu 09/17/26            Fri 09/18/26            Sat 09/19/26
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                      69          42          72          39          76
Temp                      68 68 55 48 44 42 48 63 71 71 58 49 44 39 46 64 73 75
Dewpt                     47 46 48 46 43 41 44 47 44 42 44 42 40 37 39 42 38 35
RH                        47 45 77 93 96 96 86 56 38 35 59 77 86 92 76 45 28 23
Wind dir                   W  W  W  W NW NW  N NW NW NW  N  W NW NW  N SW SW SW
Wind spd                  10  9  5  6  4  3  3  5  6 10  6  5  6  4  2  2  3  4
Clouds                    SC SC SC SC SC B1 B1 SC SC SC FW FW FW FW SC CL CL FW
PoP 12hr                     30          20          20           5           0
QPF 12hr                   0.01        0.01        0.02           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                 S  S  S           S  S
Tstms                      S  S  S           S  S
Obvis                                  F


Date               Sun 09/20/26  Mon 09/21/26  Tue 09/22/26  Wed 09/23/26
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            39    79      40    80      40    77      38    76
Temp          49   39 67 77 54   43 71 78 54   42 67 75 51   39 65 74
Dewpt         36   34 41 33 36   36 41 31 36   36 39 29 34   33 36 28
PWind dir          NW     W       E    NE      NW     W      NW     E
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   FW FW CL FW   FW FW FW FW   FW FW FW FW   FW FW FW
PoP 12hr            0     0       0     0       0     0       0     0

$$