Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
1231 AM MDT Sat Oct 3 2026

MTZ312-032200-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
1231 AM MDT Sat Oct 3 2026

Date             Sat 10/03/26            Sun 10/04/26            Mon 10/05/26
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                      67          41          75          49          83
Temp          51 46 48 57 64 66 55 50 46 42 46 60 72 73 59 55 54 54 61 77 83 78
Dewpt         41 39 40 41 40 40 39 39 39 37 38 40 41 41 38 36 34 32 35 36 32 32
RH            68 76 74 55 41 38 55 66 76 82 73 47 33 31 45 49 46 43 38 23 16 19
Wind dir       W  W  W  E  E  E  E  E SW SW SW  E  E  E  S  S SW SW SW SW  W  W
Wind spd       6  3  2  2  5  8  5  3  3  2  2  1  3  4  3  9 11 13 13 18 19 11
Wind gust                                                                 31 21
Clouds        FW FW FW SC SC B1 SC FW FW FW FW CL FW FW CL FW FW FW SC FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Tue 10/06/26  Wed 10/07/26  Thu 10/08/26  Fri 10/09/26
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    78      49    76      47    76      50    76
Temp          61   53 70 74 56   51 69 71 55   49 67 72 57   56 71 70
Dewpt         32   29 34 32 33   31 33 33 35   34 35 34 35   33 35 33
PWind dir          SW    SW      SW    SW       W    SW      SW    SW
Wind char          GN    GN      LT    LT      LT    LT      GN    BZ
Avg clouds    FW   FW FW FW FW   SC SC SC SC   SC SC FW FW   FW SC SC
PoP 12hr            0     0       0     0       0     0       0     0

$$
MTZ303-032200-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
1231 AM MDT Sat Oct 3 2026

Date             Sat 10/03/26            Sun 10/04/26            Mon 10/05/26
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                      64          36          70          45          77
Temp          46 40 42 55 62 62 52 47 41 38 41 57 68 68 55 51 49 50 56 73 76 71
Dewpt         38 37 38 37 38 39 38 38 37 35 36 37 39 41 40 38 35 34 37 36 32 35
RH            73 89 86 51 41 43 59 71 85 89 82 47 34 37 57 61 58 54 49 26 20 27
Wind dir      NW NW NW SE SE SE SE SE  E  N SE SE SE SE  S SW SW  W  W  W  W  W
Wind spd      10  4  2  8 12 12  9  4  2  1  2  6 10 10  8  6  9 10 11 21 25 18
Wind gust                                                           21 36 39 32
Clouds        FW FW SC SC SC SC B1 FW FW SC FW FW FW FW FW FW FW 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


Date               Tue 10/06/26  Wed 10/07/26  Thu 10/08/26  Fri 10/09/26
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            46    73      44    70      41    70      45    69
Temp          56   47 66 69 52   45 63 66 50   43 61 66 52   48 64 62
Dewpt         35   34 35 33 34   33 33 35 35   34 34 35 34   32 34 34
PWind dir           W     W       W     W       W    SW      SW    SW
Wind char          GN    GN      GN    LT      LT    LT      GN    GN
Avg clouds    SC   SC SC FW FW   B1 SC SC SC   SC SC FW SC   SC SC SC
PoP 12hr            0     0       0     0       0     0       0     5

$$
MTZ319-032200-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
1231 AM MDT Sat Oct 3 2026

Date             Sat 10/03/26            Sun 10/04/26            Mon 10/05/26
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                      70          41          76          47          82
Temp          52 46 47 60 68 67 55 50 46 42 47 62 74 73 59 54 50 49 53 70 81 77
Dewpt         41 40 39 42 41 41 40 38 37 37 37 40 40 42 39 36 34 34 37 41 37 39
RH            66 79 74 51 37 39 57 63 71 82 68 44 29 33 47 50 54 56 54 35 21 25
Wind dir       W  W  N  N  E  E  W  W  W  N  N  E  E  E  S  S  S  S  S SW  W  W
Wind spd       8  3  0  0  4  1  5  4  2  0  0  1  4  2  5  5  4  2  1  3 14  9
Wind gust                                      11 14                      27
Clouds        FW FW FW SC B1 SC SC FW FW FW FW FW FW FW FW 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          K  K  K


Date               Tue 10/06/26  Wed 10/07/26  Thu 10/08/26  Fri 10/09/26
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            50    78      47    77      46    77      48    77
Temp          59   50 69 74 55   47 67 73 55   46 66 73 55   48 68 71
Dewpt         34   34 38 34 33   31 36 35 33   34 38 39 35   35 39 37
PWind dir          SW    SW      SW    SW       W     S       S    SW
Wind char          GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   SC SC FW SC   SC SC FW FW   FW FW FW FW   FW SC FW
PoP 12hr            0     0       0     0       0     0       0     0

$$
MTZ326-032200-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
1231 AM MDT Sat Oct 3 2026

Date             Sat 10/03/26            Sun 10/04/26            Mon 10/05/26
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                      71          38          76          44          81
Temp          47 43 47 63 69 69 54 47 43 41 46 65 75 74 59 53 49 47 53 72 80 77
Dewpt         40 38 39 40 35 38 40 40 39 35 35 37 35 40 35 34 33 31 35 37 35 37
RH            76 82 74 43 28 32 59 76 86 79 65 35 23 29 40 48 54 53 50 28 20 24
Wind dir       N  S SE  N  N  N SE SE  S  S SE  N  N  N SE SE SE SE SE  W  W  W
Wind spd       0  4  4  1  3  0  9  6  4  1  1  0  0  0  8  5  5  4  5  2  4  5
Clouds        FW FW SC SC SC FW FW FW FW FW FW FW FW FW CL FW FW SC SC SC FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Tue 10/06/26  Wed 10/07/26  Thu 10/08/26  Fri 10/09/26
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            46    77      43    76      43    76      44    77
Temp          55   47 69 74 53   45 68 73 53   45 68 73 54   46 70 73
Dewpt         36   33 37 35 34   31 34 35 34   32 34 36 35   33 35 35
PWind dir           S     S       S    SW      SE    SW      SE     S
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 SC FW
PoP 12hr            0     0       0     0       0     0       0     0

$$
MTZ330-032200-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
1231 AM MDT Sat Oct 3 2026

Date             Sat 10/03/26            Sun 10/04/26            Mon 10/05/26
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                      69          30          72          34          73
Temp          36 33 38 59 68 65 48 39 33 30 38 61 72 67 50 43 37 36 43 65 73 68
Dewpt         32 31 32 35 25 31 29 27 26 25 28 32 28 31 30 29 27 26 31 38 32 36
RH            85 92 79 40 20 28 47 62 75 81 67 33 19 26 46 57 67 67 62 37 22 31
Wind dir       N  N  N  N  N  N  N  N  N  N  N SW SW SW  S  N  N  N  N  N SW SW
Wind spd       0  0  0  0  0  0  0  0  0  0  0  2  5  3  2  0  0  0  0  0  8  3
Wind gust                                      12                         18
Clouds        FW FW SC FW FW SC FW FW FW SC FW FW FW SC FW 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


Date               Tue 10/06/26  Wed 10/07/26  Thu 10/08/26  Fri 10/09/26
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            37    72      36    70      35    69      35    67
Temp          46   37 64 67 45   37 63 66 43   36 62 64 43   36 60 62
Dewpt         34   31 39 33 31   29 35 31 30   27 34 31 30   27 35 31
PWind dir           S    SW      SW    SW      SW    SW      SW     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   FW FW CL FW   FW FW FW FW   FW FW FW FW   FW SC FW
PoP 12hr            0     0       0     0       0     0       0     0

$$
MTZ328-032200-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
1231 AM MDT Sat Oct 3 2026

Date             Sat 10/03/26            Sun 10/04/26            Mon 10/05/26
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          39          79          43          81
Temp          47 44 47 62 71 70 54 49 45 42 46 65 77 76 59 52 48 47 52 72 81 77
Dewpt         37 37 38 39 36 36 35 35 34 31 32 34 32 37 33 32 31 29 34 36 34 36
RH            68 76 71 43 28 29 48 58 65 65 58 31 19 24 37 46 51 49 50 27 18 23
Wind dir       S  S  S  N  N NE  E  S  S  S SW  W  W NW  S  S  S  S  S SW  W  W
Wind spd       5  4  3  2  3  4  4  3  4  4  3  2  3  3  6  8  5  5  4  2  8  6
Wind gust                                                                 18
Clouds        FW SC SC SC FW FW SC FW FW FW CL FW FW FW FW FW SC SC SC SC FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Tue 10/06/26  Wed 10/07/26  Thu 10/08/26  Fri 10/09/26
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            45    78      43    77      42    76      43    76
Temp          55   46 70 75 52   45 68 73 51   45 68 73 52   46 68 71
Dewpt         34   30 37 34 30   28 32 33 30   29 32 35 32   31 33 34
PWind dir          SW    SW      SW    SW      SW    SW       S    SW
Wind char          LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    FW   FW FW CL FW   FW FW FW FW   FW FW CL FW   FW SC FW
PoP 12hr            0     0       0     0       0     0       0     0

$$
MTZ305-032200-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
1231 AM MDT Sat Oct 3 2026

Date             Sat 10/03/26            Sun 10/04/26            Mon 10/05/26
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                      67          37          74          41          82
Temp          49 42 45 58 65 65 53 48 43 39 43 61 72 71 56 51 46 46 54 73 81 77
Dewpt         40 38 40 37 34 36 35 35 35 34 36 40 40 42 41 40 39 37 40 42 36 36
RH            71 86 82 45 31 34 50 60 73 82 76 46 31 35 57 66 76 71 59 33 20 23
Wind dir      NW  W  W NW  N NE  E  E  E  E  E SE SE SE SE SE  S SW SW  W  W  W
Wind spd       6  6  6  4  0  4  9  8  8  5  3  3  4  4  8  2  2 10 13 16 16 13
Wind gust                                                                 26
Clouds        B1 FW FW FW FW SC SC SC FW FW FW FW FW FW FW FW FW FW FW CL FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Tue 10/06/26  Wed 10/07/26  Thu 10/08/26  Fri 10/09/26
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    76      42    74      41    74      44    77
Temp          59   47 68 72 53   45 66 69 51   44 65 69 54   48 69 70
Dewpt         37   36 42 38 38   37 38 38 37   36 37 37 36   35 38 36
PWind dir          SW     W       W    SW      NE    SE      SE    SW
Wind char          GN    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW   FW FW FW SC   SC SC SC SC   SC SC FW SC   SC SC SC
PoP 12hr            0     0       0     0       0     0       0     0

$$
MTZ314-032200-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
1231 AM MDT Sat Oct 3 2026

Date             Sat 10/03/26            Sun 10/04/26            Mon 10/05/26
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                      66          39          76          49          84
Temp          49 46 48 57 63 64 52 49 45 44 52 67 74 70 56 56 55 56 64 78 82 77
Dewpt         39 39 38 40 40 40 37 38 35 34 36 39 39 41 39 37 33 29 32 31 28 32
RH            68 76 68 53 43 41 56 66 68 68 54 36 28 35 53 49 43 35 30 18 14 19
Wind dir       W  W  W NW NW NE SE SE SE SE SE  E  E  E  S  S  S SW SW  W  W  W
Wind spd       6  6  3  3  2  5 10  6  5  3  1  1  3  4  9 11 10 10  9 16 19  9
Clouds        SC FW FW FW SC SC B1 B2 FW FW FW CL FW FW FW CL FW FW FW CL FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Tue 10/06/26  Wed 10/07/26  Thu 10/08/26  Fri 10/09/26
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            50    77      46    76      44    75      48    78
Temp          59   51 71 71 54   50 69 69 53   48 68 69 56   54 72 71
Dewpt         29   24 30 34 31   28 30 34 33   30 34 36 33   30 32 34
PWind dir          SW     W      SW     W      SW    SW       S    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    BZ
Avg clouds    FW   FW FW FW SC   SC SC FW SC   SC SC FW FW   FW SC SC
PoP 12hr            0     0       0     0       0     0       0     0

$$
http://www.weather.gov/greatfalls