Point Forecast Matrices
Issued by NWS Boise, ID

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387
FOUS55 KBOI 200638
PFMBOI

Point Forecast Matrices
National Weather Service Boise ID
1238 AM MDT Sun Sep 20 2026

IDZ014-211000-
Boise Airport-Ada County ID
43.57N 116.24W Elev. 2858 ft
1238 AM MDT Sun Sep 20 2026

Date           09/19/26      Sun 09/20/26            Mon 09/21/26            Tue
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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          80          55          83          58
Temp                      57 55 58 72 78 79 68 63 59 57 60 74 81 82 70 63 60 58
Dewpt                     47 45 47 48 47 46 47 46 47 45 47 48 46 44 45 45 45 44
RH                        69 69 67 42 33 31 47 54 64 64 62 40 29 26 41 52 58 59
Wind dir                  SE SE SE  S  W  W  S SE SE SE SE SE SW NW  W SE  S SE
Wind spd                   4  3  3  4  3  3  1  4  5  5  3  4  4  4  3  3  4  4
Clouds                    FW FW FW CL CL CL FW CL CL FW FW FW SC B1 SC SC SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          84      57    85      55    87      59    86      54    75
Temp          75 82 65   58 75 82 65   57 79 86 69   62 79 83 65   56 67 73
Dewpt         44 40 42   43 45 40 41   41 42 37 38   39 40 36 38   40 40 35
PWind dir         S      SE     S      NE    SE      SE    SE      NW    NW
Wind char        LT      LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    SC SC SC   FW FW FW FW   SC SC FW FW   SC SC FW SC   B1 B1 SC
PoP 12hr          0       0     0       0     0       0     0       0     0

$$
IDZ016-211000-
Twin Falls Airport-Twin Falls County ID
42.48N 114.48W Elev. 4150 ft
1238 AM MDT Sun Sep 20 2026

Date           09/19/26      Sun 09/20/26            Mon 09/21/26            Tue
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      45          74          47          79          52
Temp                      49 47 54 67 73 72 60 54 51 49 55 71 78 77 63 58 55 52
Dewpt                     42 40 42 46 43 43 43 42 40 40 42 46 42 42 41 41 40 39
RH                        77 76 64 47 34 35 53 64 66 71 61 41 28 29 44 53 57 61
Wind dir                  SW  S  S NE NE NE SE  S  S  S  E  E  E  E SE  S  S  S
Wind spd                   8  8  5  5  5  5  6  9  8  8  6 11 10  8  9  9  9  8
Clouds                    FW FW FW FW FW CL FW FW FW SC FW FW SC B1 B1 B1 B1 B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          79      52    81      53    84      57    83      54    75
Temp          71 76 59   52 73 79 63   57 77 81 66   60 78 80 65   56 68 73
Dewpt         43 43 42   41 45 40 40   40 43 39 37   36 40 37 36   36 40 38
PWind dir        SE       S    SE      SE    SE       S     S      SW     W
Wind char        GN      GN    LT      GN    GN      GN    GN      GN    GN
Avg clouds    SC B1 B1   SC FW FW FW   SC SC FW SC   SC FW FW SC   SC SC SC
PoP 12hr         20       5     0       0     0       0     0       5     5
Rain shwrs        S
Tstms             S

$$
IDZ011-211000-
McCall Airport-Valley County ID
44.88N 116.10W Elev. 5020 ft
1238 AM MDT Sun Sep 20 2026

Date           09/19/26      Sun 09/20/26            Mon 09/21/26            Tue
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      38          73          40          75          43
Temp                      42 39 45 65 73 72 56 50 45 41 48 68 75 74 58 52 46 43
Dewpt                     42 39 43 45 42 40 44 43 41 39 42 44 40 38 42 42 41 40
RH                       100100 93 48 33 31 64 77 86 92 80 42 28 27 55 69 83 89
Wind dir                  NE  N  N SE  N  N NE NE  N  N  N  S  S  W  N  N  N NW
Wind spd                   1  0  0  1  1  3  2  1  0  0  0  3  3  3  1  0  0  1
Clouds                    CL CL CL CL FW FW FW CL CL FW CL FW FW SC 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                      F  F


Date           09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          75      43    74      43    76      46    72      41    64
Temp          68 73 52   43 67 71 52   45 69 74 55   47 67 70 51   42 58 62
Dewpt         42 34 41   38 42 37 41   38 41 38 39   37 40 35 40   38 40 33
PWind dir         W      NW    SW       E    SE      SE     S      NW     W
Wind char        LT      LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    SC SC SC   FW FW FW FW   SC SC FW SC   SC SC SC SC   B1 B1 SC
PoP 12hr          0       0     0       0     0       0     0       5    10

$$
ORZ062-211000-
Baker City Airport-Baker County OR
44.83N 117.82W Elev. 3373 ft
1138 PM PDT Sat Sep 19 2026

Date          Sat 09/19/26      Sun 09/20/26            Mon 09/21/26         Tue
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                      42          80          42          81          45
Temp                      47 42 49 68 79 80 64 54 48 43 49 70 80 81 64 56 50 45
Dewpt                     40 39 44 48 47 44 44 43 41 40 45 47 44 41 44 43 42 41
RH                        76 89 83 49 32 28 48 66 77 89 86 44 28 24 48 62 74 86
Wind dir                   N  N  N NE  E  E SE  S  S  S  N  E SE  E SW  S  S NW
Wind spd                   0  0  0  2  3  3  2  1  1  1  0  4  5  4  2  1  1  1
Clouds                    CL CL FW CL CL CL CL CL FW FW FW FW FW B1 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


Date           09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26
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          80      41    77      39    79      42    75      37    66
Temp          70 77 53   41 65 73 53   43 67 77 56   46 67 71 50   41 58 64
Dewpt         45 41 42   37 40 42 41   39 44 42 42   40 44 41 41   39 40 38
PWind dir         N      NW    NW      NW    SE      NW     S      NW    NW
Wind char        LT      LT    LT      LT    LT      LT    LT      GN    LT
Avg clouds    SC SC SC   FW FW FW SC   SC SC SC SC   SC B1 SC SC   B1 B1 SC
PoP 12hr          5       5     0       0     0       0     5       5     5

$$
ORZ061-211000-
Burns Airport-Harney County OR
43.58N 118.95W Elev. 4144 ft
1138 PM PDT Sat Sep 19 2026

Date          Sat 09/19/26      Sun 09/20/26            Mon 09/21/26         Tue
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                      37          79          39          80          43
Temp                      42 37 45 67 77 79 60 51 45 39 46 68 78 79 63 54 48 43
Dewpt                     35 33 38 44 41 37 39 38 36 34 38 43 39 33 36 36 35 34
RH                        76 85 76 43 28 22 46 61 70 82 73 40 25 19 36 50 60 70
Wind dir                   N NW  W  E SE  E  E NE  N  N NW  E SE  E  E NW NW NW
Wind spd                   3  2  1  5  6  6  6  4  5  4  2  6  3  4  5  3  4  3
Clouds                    SC SC FW CL CL CL FW CL FW SC SC SC B1 B2 B1 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           09/22/26  Wed 09/23/26  Thu 09/24/26  Fri 09/25/26  Sat 09/26/26
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          81      39    78      39    82      41    76      36    68
Temp          68 79 52   39 64 76 53   43 69 80 57   46 67 73 50   40 59 66
Dewpt         41 31 36   30 37 30 33   32 37 29 33   33 37 30 36   34 35 28
PWind dir        SW      NW    NW      NW     S       W    SW      NW    NW
Wind char        LT      GN    LT      LT    LT      LT    LT      GN    LT
Avg clouds    SC FW SC   FW SC FW SC   SC SC SC SC   SC B1 SC B1   SC B1 SC
PoP 12hr          0       0     0       0     0       0     0       0     5

$$