Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
216 AM MDT Fri Oct 10 2025

MTZ312-102200-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
216 AM MDT Fri Oct 10 2025

Date             Fri 10/10/25            Sat 10/11/25            Sun 10/12/25
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                      76          49          69          34          38
Temp          41 39 43 61 74 73 62 59 56 52 53 64 67 63 52 48 43 39 35 36 37 36
Dewpt         38 36 38 39 42 44 44 43 44 44 45 44 42 40 40 36 35 33 31 29 25 24
RH            89 89 82 44 32 35 52 55 64 74 74 48 40 43 63 63 73 79 85 75 61 61
Wind dir      SW SW  S SE  S  S  S  S  S SW SW  W SW  W NW  W NW NW NW  N  N  N
Wind spd       3  2  2  2  5  6  9 12 10  8  8  9 11 11 12 14 18 18 18 13 12 10
Clouds        FW FW SC FW CL CL FW FW SC B1 B1 OV OV OV OV OV OV OV OV B2 B2 B2
PoP 12hr                      5           5          90          80          80
QPF 12hr                      0           0        0.05        0.65        0.23
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  D  D  D  D  D  D  D
Snow                                                                 D  L  L  L


Date               Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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            27    38      25    45      28    53      31    53
Temp          31   28 32 37 30   28 38 43 33   31 45 49 36   35 46 49
Dewpt         26   24 27 29 27   25 30 31 29   27 32 33 30   30 33 34
PWind dir          NE    NE      NW    SW       S     W      NW     W
Wind char          GN    GN      GN    LT      LT    LT      GN    GN
Avg clouds    OV   OV OV B2 B2   B1 B1 SC SC   SC SC FW SC   B1 SC SC
PoP 12hr           80    50      20    20      20    20      30    20
Rain                                       S          S  C    C  S
Snow           L    D  C  S  S    S  S

$$
MTZ303-102200-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
216 AM MDT Fri Oct 10 2025

Date             Fri 10/10/25            Sat 10/11/25            Sun 10/12/25
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          43          63          28          35
Temp          38 35 37 56 67 67 54 49 48 46 48 59 62 57 46 41 36 31 29 32 34 32
Dewpt         33 32 34 38 41 42 40 40 40 40 39 37 35 33 32 33 32 28 27 26 24 23
RH            82 89 89 51 39 40 59 71 74 79 71 44 36 40 58 73 85 88 92 78 66 69
Wind dir      NE  E  E SE SE SE SE  W  W  W  W  W  W  W  W NW  N  N  N  N  N  N
Wind spd       3  3  4 10 12 10  6  9 10 11 13 19 21 20 19 19 18 18 18 16 14 12
Wind gust                                   24 31 33 32 29    28    28 27 25
Clouds        FW FW FW CL CL CL SC FW SC SC SC SC SC B1 B2 OV OV OV OV B2 B2 B2
PoP 12hr                      0          10          10          80          90
QPF 12hr                      0           0           0        0.09        0.04
Snow 12hr                 00-00       00-00       00-00
Rain                                                  C  C  D  D
Snow                                                           D  D  D  L  L  C


Date               Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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            21    33      20    42      23    50      27    51
Temp          25   22 29 32 25   23 34 39 30   27 42 45 32   29 43 47
Dewpt         21   20 25 25 24   21 28 29 26   24 30 31 25   25 30 32
PWind dir          NE    NE       E    SE       S     W      NW     W
Wind char          GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    OV   OV OV B2 B2   B2 B1 SC SC   SC SC FW SC   SC SC FW
PoP 12hr           70    50      20    10       5    10      10    10
Snow           C    L  C  S  S

$$
MTZ319-102200-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
216 AM MDT Fri Oct 10 2025

Date             Fri 10/10/25            Sat 10/11/25            Sun 10/12/25
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                      76          48          66          37          45
Temp          45 41 43 59 74 73 65 60 57 51 49 58 64 59 51 47 44 39 37 40 43 42
Dewpt         36 35 37 44 45 43 43 44 46 45 44 47 48 43 39 37 35 33 32 32 31 28
RH            70 79 79 57 35 34 45 55 67 80 83 67 56 55 63 68 70 79 82 73 62 57
Wind dir       W SW  W SE  S  S  S  S SE  W SW SW  W  W  W  W  W  W NW NW  N  N
Wind spd       2  3  4  5 10 11 13 12  8  4  4  4  8 10 12 12 10  8  9 11 11 10
Wind gust                                                  24
Clouds        CL SC SC FW CL CL FW SC B1 OV OV OV OV OV OV OV OV OV OV B2 B2 OV
PoP 12hr                     30          20          90          90          80
QPF 12hr                      0           0        0.14        0.58        0.17
Snow 12hr                 00-00       00-00       00-00
Rain                 S                    L           D  D  D  D  D  D  L  L  L
Rain shwrs                                   L  D  D
Snow                                                                          L
Tstms                                        S  S  S


Date               Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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            28    39      26    47      31    54      32    53
Temp          36   29 32 38 33   28 37 45 38   31 44 50 41   33 42 49
Dewpt         28   25 27 29 26   26 31 32 30   29 36 34 32   31 34 33
PWind dir           N     N      NW     N      SW     W      NW    NW
Wind char          GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    OV   OV OV B2 B2   B2 B2 SC SC   SC SC SC B1   B1 B1 SC
PoP 12hr           70    40      20    20      20    20      40    30
Rain           L             S       S     S    S  S  S  C    C  C  S
Snow           L    L  C  S  S    S  S             S

$$
MTZ326-102200-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
216 AM MDT Fri Oct 10 2025

Date             Fri 10/10/25            Sat 10/11/25            Sun 10/12/25
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                      76          46          67          33          47
Temp          44 40 45 62 73 72 60 56 53 49 51 60 65 59 50 44 41 36 34 42 45 44
Dewpt         36 35 40 43 44 44 45 47 47 46 48 50 50 49 46 43 39 36 32 35 32 31
RH            73 82 82 50 35 37 58 72 80 89 89 69 58 69 86 96 92100 92 76 60 60
Wind dir       E SE SW SE SW  S SE SE  E SE  S  W  W  W  W  W  W  W  W  W  W  W
Wind spd       8  5  5  3  5  8 10 11 10  8  5  5  6  6 10 11 10  9  9  9  9  5
Clouds        CL B2 B1 FW FW FW FW FW SC B2 B2 OV OV OV OV OV OV OV OV B1 B1 B1
PoP 12hr                     40          10          90          90          70
QPF 12hr                   0.01           0        0.14        0.75        0.25
Snow 12hr                 00-00       00-00       00-00
Rain              C                       L  L           D  D  D  L  L  C  C  C
Rain shwrs                                      D  D  D
Tstms                                           S  C  S


Date               Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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            25    46      25    50      29    56      30    52
Temp          36   27 38 43 32   28 40 47 37   32 46 51 38   33 43 49
Dewpt         33   26 32 30 30   28 33 35 35   32 36 35 35   33 36 35
PWind dir          SE     E       E    NE      SE    SW       E    SW
Wind char          GN    LT      GN    LT      LT    LT      LT    LT
Avg clouds    B2   B1 B1 B1 B1   B1 B1 SC B1   SC SC B1 B1   B1 B1 SC
PoP 12hr           40    20      20    20      30    30      40    30
Rain           C    C  S          S  S  S  C    S  S  C  C    C  C  S
Snow           C    C  S          S  S

$$
MTZ330-102200-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
216 AM MDT Fri Oct 10 2025

Date             Fri 10/10/25            Sat 10/11/25            Sun 10/12/25
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          40          56          25          40
Temp          33 32 37 55 63 62 52 48 46 44 46 53 55 51 42 36 31 26 30 37 38 37
Dewpt         28 29 34 43 44 45 47 47 46 44 46 49 45 43 39 36 31 26 29 30 27 27
RH            82 88 89 64 50 54 83 96100100100 86 69 74 89100100100 96 75 64 67
Wind dir      SW NE  E SW  S  S  S  S  S  S  S  S SW SW SW SW SW SW SW SW SW SW
Wind spd       4  1  2  9 16 12 13 14  8  5  8 12 14 12 14 18 13 11 13 14 17 14
Wind gust                 26 23 25 26             25    26 29             27 25
Clouds        SC B2 B2 SC SC FW SC B1 OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1
PoP 12hr                     40          50          90         100          80
QPF 12hr                   0.02        0.04        0.27        0.43        0.21
Snow 12hr                 00-00       00-00       00-00
Rain              C  C  S           S  C  D              D  D
Rain shwrs                                   D  D  D  D
Snow              C                                         D  D  D  D  L  L
Snowshwrs                                                                     S
Tstms                                        S  C  C  S                       S
Winter Storm                                          A  A  A  A  A  A  A  A  A


Date               Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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            17    50      23    50      26    52      25    49
Temp          28   18 42 47 30   26 45 46 34   29 45 48 33   27 43 46
Dewpt         26   18 29 29 27   26 35 34 32   29 37 36 32   27 36 33
PWind dir           S    SE       E    SE      SE     S       E     S
Wind char          GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   SC SC SC B1   B1 B2 B1 B1   B1 B1 B1 B1   B1 B1 B1
PoP 12hr           20     5      20    30      40    50      50    50
Rain                              S  S  C  C    C  C  C  C    C  C  C
Snow           S                  S  S          C  C          C  C
Snowshwrs      S
Tstms          S

$$
MTZ328-102200-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
216 AM MDT Fri Oct 10 2025

Date             Fri 10/10/25            Sat 10/11/25            Sun 10/12/25
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          45          61          32          49
Temp          43 42 44 60 69 66 56 51 49 47 47 58 60 55 45 40 36 34 33 43 47 44
Dewpt         32 35 39 47 47 49 49 48 48 46 47 49 48 48 43 38 34 32 31 32 30 31
RH            65 76 82 62 45 54 77 89 96 96100 72 64 77 93 92 92 92 92 65 51 60
Wind dir       S  E  S  S  S  S  S  S  S SE  S SW SW SW  W SW SW SW SW SW SW SW
Wind spd       6  6  8  9 19 21 17 13 10 10  9  8  9  8 10 11 11 11 13 11 11 10
Wind gust                 32 34 27
Clouds        FW B2 FW FW FW FW FW B1 SC OV OV OV OV OV OV OV OV B2 B2 SC B1 B2
PoP 12hr                     40          20          90          90          60
QPF 12hr                      0        0.01        0.23        0.56        0.13
Snow 12hr                 00-00       00-00       00-00
Rain              C                 S     L              D  D  D  L  L  S  S  S
Rain shwrs                                   L  D  D  D
Snow                                                           D  L  L
Tstms                                        S  C  C  S


Date               Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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            26    48      26    51      31    57      30    53
Temp          35   27 41 44 30   28 40 47 36   33 47 51 36   32 44 49
Dewpt         30   26 33 33 30   27 33 37 34   31 36 38 34   32 36 37
PWind dir          SE    NE      NE    NE      SE    SW       N    NW
Wind char          GN    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B2   B1 B1 B1 B1   B1 B2 SC SC   SC SC B1 B1   B1 B1 SC
PoP 12hr           20     5      20    20      20    30      40    30
Rain           S    S             S  S  S  S    S  S  C  C    C  C
Snow           S    S             S  S                           C

$$
MTZ305-102200-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
216 AM MDT Fri Oct 10 2025

Date             Fri 10/10/25            Sat 10/11/25            Sun 10/12/25
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                      74          44          73          33          43
Temp          43 39 43 63 73 72 58 53 50 48 50 66 71 67 54 49 44 39 34 39 41 39
Dewpt         36 35 36 41 41 43 42 42 43 41 43 45 42 41 40 39 38 34 32 31 28 26
RH            76 85 76 44 31 35 55 66 77 77 77 47 35 39 59 68 79 82 92 73 59 59
Wind dir       E  E  E  E  E  E SE  E SE  W SW  W  W  W  W  W NW NW NW NW NW  N
Wind spd       8  8  6  9 10 10 10  8  8  8  9 11 13 11 13 14 18 18 18 18 17 13
Wind gust                                                                 27
Clouds        FW FW FW SC FW FW FW FW FW B1 SC SC B1 B2 OV OV OV OV OV B2 B2 B2
PoP 12hr                      0           0          20          80          70
QPF 12hr                      0           0           0        0.40        0.28
Snow 12hr                 00-00       00-00       00-00
Rain                                            S  S  L  L  D  D  L  L     C
Snow                                                                 L  C  C


Date               Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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            23    42      22    49      26    55      30    55
Temp          30   24 35 40 29   26 40 45 34   31 46 50 37   33 47 51
Dewpt         25   20 25 26 26   23 29 31 31   29 34 33 33   31 34 34
PWind dir           N     E       E     E      SE    SW      NW     W
Wind char          GN    GN      GN    LT      LT    LT      LT    GN
Avg clouds    B2   B2 B2 B2 B2   B1 B1 SC SC   SC SC FW SC   SC SC SC
PoP 12hr           30    20      10    10      10    10      20    20
Rain                                                          S  S
Snow                C  S

$$
MTZ314-102200-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
216 AM MDT Fri Oct 10 2025

Date             Fri 10/10/25            Sat 10/11/25            Sun 10/12/25
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          69          30          41
Temp          45 43 49 68 75 71 58 55 55 53 57 67 63 56 50 44 41 36 31 37 38 36
Dewpt         36 35 36 40 42 45 43 43 43 44 46 50 48 49 48 43 39 36 31 33 31 29
RH            70 73 61 36 31 39 57 64 64 71 67 54 58 77 93 96 92100100 85 76 75
Wind dir      SE SE SE SE  S SE SE  S  S  S SW NW NW NW NW NW  W NW NW NW NW NW
Wind spd       6  6  5  6 10  9 13 12 10  8  5  6  8  5 10 12 13 13 14 16 14 10
Wind gust                    19
Clouds        FW FW SC B1 FW FW FW FW FW SC SC OV OV OV OV OV OV OV OV B2 B2 B2
PoP 12hr                      5           0          90          90          80
QPF 12hr                      0           0        0.19        0.89        0.38
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  D        D  D  D  D  D  L  L
Rain shwrs                                         D  D
Snow                                                                 D  L  L  L
Tstms                                              S  S


Date               Mon 10/13/25  Tue 10/14/25  Wed 10/15/25  Thu 10/16/25
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            23    39      22    47      28    54      29    51
Temp          28   24 34 38 28   26 40 42 33   32 48 47 36   33 45 46
Dewpt         26   23 28 30 28   26 32 33 32   30 36 35 33   30 35 35
PWind dir           N     E       E     E      SE     W       W     W
Wind char          GN    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B2   B2 B2 B2 B1   B1 B1 SC B1   SC SC SC B1   B1 B1 SC
PoP 12hr           60    30      20    20      30    20      40    30
Rain                                       C    S  S  S  C    C  C  S
Snow           L    L  C          S  S          S

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