Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
246 AM MST Mon Nov 17 2025

MTZ312-172300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
246 AM MST Mon Nov 17 2025

Date                Mon 11/17/25            Tue 11/18/25            Wed 11/19/25
MST 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                      60          36          54          33          48
Temp             41 42 54 59 55 48 44 42 40 37 50 53 49 42 40 39 37 37 44 47 42
Dewpt            35 36 40 38 39 37 37 36 34 32 38 36 36 33 32 31 28 29 29 27 27
RH               79 79 59 45 55 65 76 79 79 82 63 52 61 70 73 73 70 72 55 45 55
Wind dir         SW SW SW SW SW SW SW  W  W SW SW SW  S SW SW SW SW SW  W  W  N
Wind spd          5  5  6  9  6  6  6  5  4  3  3  5  5  5  6  8  8  6  6  5  5
Clouds           B1 B1 B1 SC B1 B2 B1 B1 B2 B1 SC SC SC SC SC B1 B1 B1 B1 SC FW
PoP 12hr                     10           5           5          20          20
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain                                                        S  S  S  S


Date               Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
MST 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            27    49      30    52      37    51      32    47
Temp          32   30 42 41 34   34 47 47 43   43 47 46 40   37 43 41
Dewpt         25   23 26 24 24   22 25 24 26   27 26 25 26   24 24 20
PWind dir           S    SW      SW    SW      SW    SW      SW    SW
Wind char          LT    LT      GN    BZ      BZ    BZ      BZ    BZ
Avg clouds    FW   FW SC FW SC   FW FW FW SC   SC B1 SC SC   SC SC SC
PoP 12hr            5     0       0     0      10    10      20    20
Rain                                                     S    S
Snow                                                     S    S  S

$$
MTZ303-172300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
246 AM MST Mon Nov 17 2025

Date                Mon 11/17/25            Tue 11/18/25            Wed 11/19/25
MST 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                      57          30          50          28          44
Temp             33 34 49 55 50 43 40 39 34 33 44 49 44 37 36 35 31 30 40 44 38
Dewpt            31 33 40 40 41 37 36 34 32 30 36 36 34 31 29 26 24 24 27 27 27
RH               92 96 71 57 71 79 85 82 92 89 73 61 68 79 75 69 75 78 59 51 64
Wind dir         SW SW SW  W  W  W NW NW NW  W  S SW  S SW SW  W  W  W  W NW NW
Wind spd          3  4  6 11 10 10 10  8  4  3  5  6  6  8 10 10 10 10 10  9  5
Clouds           B1 B2 B1 B1 B2 B2 B2 B2 B2 B2 SC SC SC SC SC B1 B1 B1 SC FW SC
PoP 12hr                      5          10           5          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis            PF                      PF


Date               Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
MST 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            23    45      27    48      32    47      27    42
Temp          27   25 37 38 31   32 43 41 38   36 43 41 34   31 39 35
Dewpt         22   21 24 26 23   23 25 25 25   26 27 27 24   23 23 23
PWind dir           W     S      SW    SW       W     W       W     W
Wind char          LT    LT      GN    BZ      BZ    BZ      BZ    BZ
Avg clouds    FW   FW SC SC SC   SC SC SC B1   B1 B1 SC SC   SC SC SC
PoP 12hr            0     0       0     5      10    20      20    10
Rain                                                  S  S
Snow                                                  S  S

$$
MTZ319-172300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
246 AM MST Mon Nov 17 2025

Date                Mon 11/17/25            Tue 11/18/25            Wed 11/19/25
MST 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                      55          34          53          32          47
Temp             39 38 45 53 51 47 44 41 36 35 45 52 49 44 40 38 34 34 41 46 43
Dewpt            37 36 39 39 39 38 37 35 33 33 38 38 35 34 32 31 30 30 32 29 27
RH               92 92 79 59 63 71 76 79 89 92 76 59 58 68 73 76 85 85 70 51 53
Wind dir          S SW NE  W  W SW SW SW  S  S  S SW SW SW SW SW  W  W  W  W  W
Wind spd          2  2  2  3  4  3  3  2  2  2  2  2  2  4  5  3  3  3  5  5  4
Clouds           B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 SC SC SC SC B1 B1 B1 B1 B1 SC SC
PoP 12hr                     10          10          10          20          20
QPF 12hr                      0           0           0        0.01        0.01
Snow 12hr                 00-00       00-00       00-00
Rain                                                        S  S  S  S  S  S
Snow                                                              S  S
Obvis            PF


Date               Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
MST 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            26    48      27    49      31    49      30    45
Temp          33   30 38 42 34   30 39 43 38   35 40 44 39   35 39 40
Dewpt         25   25 28 26 25   23 26 24 25   26 28 25 27   25 25 22
PWind dir          SW     S      SW    SW      SW    SW      SW     W
Wind char          LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    SC   FW FW FW SC   SC FW FW SC   SC B1 SC B1   B1 B1 SC
PoP 12hr            5     0       5     5      20    20      30    30
Rain                                            S  S  S  S    C  C  S
Snow                                            S  S  S  S    C  C  S

$$
MTZ326-172300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
246 AM MST Mon Nov 17 2025

Date                Mon 11/17/25            Tue 11/18/25            Wed 11/19/25
MST 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                      54          33          53          30          48
Temp             36 36 46 53 50 45 42 40 36 35 47 52 49 41 38 36 33 32 42 47 44
Dewpt            35 35 39 39 38 39 38 38 34 33 37 34 34 33 32 32 30 30 34 31 30
RH               96 96 76 59 63 79 86 92 92 92 68 50 56 73 79 85 89 92 73 53 57
Wind dir         SE  S NW  W SW  S  S  S  S  S SW  W  S  S  S  S  S  S  W NW  W
Wind spd          2  2  2  3  3  4  4  3  2  2  2  2  2  4  4  3  2  2  2  3  3
Clouds           B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 SC SC B1 B1 B1 B1 B1 B2 B1 SC SC
PoP 12hr                      5          10           5          20          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                        S  S        S  S
Snow                                                           S  S  S
Obvis            PF


Date               Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
MST 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            25    48      23    48      26    49      26    46
Temp          32   29 39 41 29   26 39 43 32   30 41 44 35   32 39 42
Dewpt         28   27 29 26 24   23 25 24 24   25 26 23 26   26 25 21
PWind dir           S     S       S    SW       S    SW      SW    SW
Wind char          LT    LT      LT    LT      GN    GN      GN    LT
Avg clouds    SC   SC SC FW FW   SC SC FW SC   B1 B1 SC B1   B1 B1 B1
PoP 12hr            5     0       5     5      10    20      30    30
Rain                                               S  S  S    C     S
Snow                                               S  S  S    C  C  S

$$
MTZ330-172300-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
246 AM MST Mon Nov 17 2025

Date                Mon 11/17/25            Tue 11/18/25            Wed 11/19/25
MST 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                      41          28          43          23          41
Temp             28 29 35 39 39 37 35 33 31 31 39 43 40 33 29 27 25 26 37 41 38
Dewpt            28 29 34 35 35 36 35 33 31 31 35 31 31 29 27 26 25 26 31 29 28
RH              100100 96 85 85 96100100100100 85 62 70 85 92 96100100 79 62 67
Wind dir         SW  S SW SW  S  S  S  S  N  N SW SW SW  S  S  S  S  S SW SW SW
Wind spd          1  2  5  8  5  3  2  1  0  0  2  4  2  2  2  2  2  2  3  5  4
Clouds           OV OV OV OV B2 B2 B2 B2 OV OV B2 B2 B1 B1 SC SC B1 B2 B1 B1 B1
PoP 12hr                     50          40          20          20          40
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                    C  C  C  C  C           S  S                    C  C  S
Snow              C  C  C           C  S  S  S              S  S  C  C        S
Obvis            PF


Date               Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
MST 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            19    40      15    40      19    36      20    36
Temp          27   22 34 36 22   17 32 34 26   22 31 33 26   23 31 33
Dewpt         26   22 26 24 20   17 23 23 24   22 25 24 23   21 24 23
PWind dir           S     S       S     S      SW    SW      SW    SW
Wind char          LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B1   B1 B1 SC FW   SC B1 FW SC   B1 B2 B1 B1   B1 B2 B1
PoP 12hr           20    10      10    10      20    30      40    50
Rain           S
Snow           S                                S  C  C  S    C  C  C

$$
MTZ328-172300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
246 AM MST Mon Nov 17 2025

Date                Mon 11/17/25            Tue 11/18/25            Wed 11/19/25
MST 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                      52          32          51          28          47
Temp             36 35 46 52 49 40 38 35 34 33 45 51 46 38 35 33 31 30 42 47 41
Dewpt            34 34 38 36 37 36 36 33 32 32 35 34 33 31 30 28 27 28 31 30 29
RH               92 96 73 54 63 85 92 92 92 96 68 52 60 76 82 82 85 92 65 51 62
Wind dir          S SW SW SW  S  S  S  S  S  S SW SW  S  S  S  S  S  S  W  W SW
Wind spd          5  5  4  5  5  5  5  5  5  5  4  4  4  5  5  5  5  5  4  4  4
Clouds           B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 SC SC B1 B1 SC SC SC B1 SC SC SC
PoP 12hr                     10           5           5          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
MST 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            26    46      23    47      24    46      24    44
Temp          31   28 39 39 29   26 38 39 29   27 39 40 30   28 38 39
Dewpt         26   25 28 26 23   21 23 22 22   21 25 23 23   24 24 21
PWind dir           S     S       S    SW       S     S       S    SW
Wind char          LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    SC   SC SC FW FW   FW SC FW SC   SC B1 SC SC   SC B1 B1
PoP 12hr            0     0       5     0      10    10      20    20
Snow                                                          S  S

$$
MTZ305-172300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
246 AM MST Mon Nov 17 2025

Date                Mon 11/17/25            Tue 11/18/25            Wed 11/19/25
MST 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                      50          30          47          28          45
Temp             34 33 42 49 46 39 38 36 33 33 42 46 42 36 34 32 30 30 41 44 39
Dewpt            33 32 36 39 40 37 36 34 32 32 36 36 36 33 32 30 28 28 32 31 31
RH               96 96 79 68 79 92 92 92 96 96 79 68 79 89 92 92 92 92 70 60 73
Wind dir          E  N NE  E  E  S  W  W  W  W  W  W NE  E SE SW  W  W  W  W  W
Wind spd          3  2  2  2  3  4  5  5  5  4  4  3  3  3  3  4  5  6 10 10  6
Clouds           OV B2 B1 B1 B2 B2 B2 B2 B2 OV B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 SC
PoP 12hr                      5           5           5          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                        S
Snow                                                        S  S
Obvis            PF PF                   PF


Date               Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
MST 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            22    45      24    51      29    50      26    46
Temp          28   24 37 38 30   29 43 45 37   35 44 44 35   31 39 38
Dewpt         26   23 27 28 25   23 28 28 27   27 30 28 28   25 25 24
PWind dir           W     S       S    SW      SW     W       W     W
Wind char          LT    LT      LT    GN      BZ    BZ      GN    GN
Avg clouds    SC   SC SC SC SC   SC SC FW SC   B1 B1 SC B1   B1 B1 SC
PoP 12hr            5     0       0     0       5    10      10    10

$$
MTZ314-172300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
246 AM MST Mon Nov 17 2025

Date                Mon 11/17/25            Tue 11/18/25            Wed 11/19/25
MST 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                      57          34          53          30          46
Temp             41 41 53 56 52 45 43 41 38 38 50 52 47 40 38 37 35 35 43 45 40
Dewpt            35 35 39 39 42 39 38 36 35 34 36 37 37 35 34 32 31 30 30 29 29
RH               79 79 59 53 69 79 82 82 89 85 58 56 68 82 85 82 85 82 60 53 64
Wind dir          S  S  W NW NW SW SW SW SW  W  W  W  E  S  S SW SW  W NW NW NW
Wind spd          4  3  2  3  2  3  4  4  3  2  2  3  2  4  4  4  4  5  6  9  5
Clouds           SC SC SC SC B2 B2 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC SC B1
PoP 12hr                      5          10           5          20          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                  S  S  S  S  S  S  S  S
Snow                                                              S  S


Date               Thu 11/20/25  Fri 11/21/25  Sat 11/22/25  Sun 11/23/25
MST 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            25    48      26    52      32    51      27    44
Temp          30   28 43 39 32   31 47 43 39   37 47 45 37   33 41 36
Dewpt         25   24 27 27 24   22 25 23 24   24 26 24 24   23 22 19
PWind dir          SW     S       S    SW      SW     W       W     W
Wind char          LT    LT      LT    GN      GN    GN      GN    GN
Avg clouds    SC   SC FW FW SC   SC FW FW SC   SC SC SC B1   SC SC SC
PoP 12hr            5     0       0     5      10    10      20    20
Rain                                                     S    S
Snow                                                     S    S  S

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