Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
206 AM MDT Thu Oct 16 2025

MTZ312-162200-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
206 AM MDT Thu Oct 16 2025

Date             Thu 10/16/25            Fri 10/17/25            Sat 10/18/25
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                      56          38          59          29          56
Temp          31 31 33 45 55 54 44 41 40 39 43 54 58 53 43 38 34 30 35 49 55 53
Dewpt         31 31 30 32 33 33 33 30 28 26 29 32 32 31 31 31 28 25 28 27 21 23
RH           100100 89 60 43 45 65 65 62 59 57 43 37 43 62 76 78 81 75 42 26 31
Wind dir      SW  W  W  W SW SW SW SW SW SW SW SW  W  W  W  W  W SW SW SW SW SW
Wind spd       4  5  5  5  8  6 11 17 18 18 17 17 18 14 12 10 10 10 11 13 13 10
Wind gust                                         29                      24
Clouds        SC B1 B1 SC SC FW FW SC FW FW FW SC SC B1 B1 B1 SC FW FW FW FW SC
PoP 12hr                     10           0          10          40           0
QPF 12hr                      0           0           0        0.04           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                  C  C  S  S
Obvis         PF


Date               Sun 10/19/25  Mon 10/20/25  Tue 10/21/25  Wed 10/22/25
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            41    64      36    50      32    54      34    58
Temp          45   48 58 55 43   40 45 46 37   35 48 50 40   37 51 53
Dewpt         22   28 31 30 30   32 32 28 27   26 27 25 27   26 28 26
PWind dir          SW    SW      SW     W      SW    SW      SW    SW
Wind char          GN    BZ      BZ    GN      GN    BZ      GN    GN
Avg clouds    SC   B2 B2 B1 B1   B2 B2 B1 SC   SC SC SC B1   SC SC SC
PoP 12hr           10    30      40    40      10     5       5     0
Rain                   S  C  C    C  C  C

$$
MTZ303-162200-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
206 AM MDT Thu Oct 16 2025

Date             Thu 10/16/25            Fri 10/17/25            Sat 10/18/25
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                      59          37          53          27          52
Temp          31 29 32 50 57 54 43 42 41 38 41 50 52 47 37 33 30 28 31 47 51 49
Dewpt         27 24 26 30 31 31 29 27 26 25 28 30 30 31 29 26 22 21 23 25 23 23
RH            85 81 78 46 37 41 57 55 55 59 59 46 43 53 72 75 72 75 72 42 33 36
Wind dir      NW NW NW NW  W SW  W  W  W  W  W  W  W NW  W  W  W  W  W  W  W SW
Wind spd      10 10 10  9 10 12 18 21 23 20 18 18 20 16 13 13 11 11 11 14 16 11
Wind gust                       36 42 43 33 28 43 37 26                25
Clouds        FW FW FW CL CL CL SC B1 FW SC SC B1 B1 SC B1 SC FW FW FW FW FW SC
PoP 12hr                      0           0          40          20           0
QPF 12hr                      0           0        0.01        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain                                            C  C  S  S
Obvis         PF


Date               Sun 10/19/25  Mon 10/20/25  Tue 10/21/25  Wed 10/22/25
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            37    57      32    47      28    51      30    53
Temp          40   41 53 49 39   36 42 43 34   31 45 46 37   33 47 48
Dewpt         24   27 32 31 31   31 31 28 27   26 27 26 26   27 28 29
PWind dir          SW    SW       W    NW       W     W       W     W
Wind char          GN    BZ      BZ    BZ      GN    BZ      GN    GN
Avg clouds    B1   B2 B1 B1 B1   B2 B2 B1 SC   SC SC SC SC   SC SC SC
PoP 12hr           10    30      30    40       5     5       5     5
Rain                   C  S  S    C  C  S
Snow                                 C

$$
MTZ319-162200-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
206 AM MDT Thu Oct 16 2025

Date             Thu 10/16/25            Fri 10/17/25            Sat 10/18/25
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                      56          34          60          32          56
Temp          36 33 34 43 52 51 44 40 38 35 37 50 58 54 47 44 40 34 33 46 55 53
Dewpt         32 32 32 33 35 33 31 29 27 26 28 34 34 31 29 30 30 28 25 27 25 24
RH            85 96 92 67 52 50 60 64 64 69 70 54 40 41 49 57 67 78 72 47 31 32
Wind dir       W  W  W  W  W SW  W SW SW SW SW  W  W  W  W  W  W  W SW  W  W SW
Wind spd       3  3  3  5  8  9 10 12 10  9  8 10 16 16 14 13  9  5  5  8  9  4
Wind gust                                         28 28 29 26
Clouds        SC B1 B1 SC FW FW FW SC FW FW B1 B1 SC B1 B1 B1 B1 FW SC FW FW SC
PoP 12hr                     10           0          10          40           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                                  C  C  C  C
Obvis            PF PF


Date               Sun 10/19/25  Mon 10/20/25  Tue 10/21/25  Wed 10/22/25
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            37    62      36    50      31    53      32    57
Temp          45   41 51 53 44   37 42 46 40   33 44 50 41   34 46 52
Dewpt         23   27 32 32 32   31 30 26 26   26 28 27 27   26 29 28
PWind dir           S     S       W     W       W    SW      SW    SW
Wind char          GN    GN      GN    GN      GN    GN      GN    LT
Avg clouds    SC   B1 B1 B2 B2   B2 B2 B1 SC   SC SC SC SC   SC SC SC
PoP 12hr            5    60      70    60      10    10      10     5
Rain                   C  L  L    L  L  C

$$
MTZ326-162200-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
206 AM MDT Thu Oct 16 2025

Date             Thu 10/16/25            Fri 10/17/25            Sat 10/18/25
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                      50          28          59          27          54
Temp          39 36 37 39 46 47 39 35 32 29 34 50 58 55 46 40 34 29 32 44 52 53
Dewpt         38 36 37 37 37 35 34 33 29 27 30 33 33 32 33 33 29 25 27 27 23 25
RH            96100100 92 71 63 82 92 88 92 85 52 39 41 60 76 82 85 81 51 32 33
Wind dir       W  W  W  W  W SE  S SE  S SE  S  W  W  W NW  W  W  W SW  W  W SW
Wind spd       2  3  4  4  4  4  8  8  9  8  6  6 12 13 11 10  8  5  5  5  6  5
Wind gust                                         23 24
Clouds        OV OV OV B2 B2 B1 FW FW SC FW FW SC SC B1 B1 B1 B1 SC SC FW FW FW
PoP 12hr                     50           5           0          40           0
QPF 12hr                   0.09           0           0        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain           S  C  S  S                             C  C  C  C
Snow                                                           C
Obvis         PF PF PF


Date               Sun 10/19/25  Mon 10/20/25  Tue 10/21/25  Wed 10/22/25
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            32    62      30    48      26    52      27    54
Temp          40   38 53 53 40   34 40 45 34   29 42 48 36   30 44 49
Dewpt         28   28 33 35 35   31 31 29 28   26 29 29 29   26 29 29
PWind dir           S     S      SW     W      SW    SW      SW    SW
Wind char          GN    GN      GN    GN      GN    LT      LT    LT
Avg clouds    SC   SC B1 B1 B2   B2 B2 B1 SC   SC SC SC SC   SC SC SC
PoP 12hr            0    50      70    50      10     5      10     5
Rain                      C  L    C  C  C

$$
MTZ330-162200-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
206 AM MDT Thu Oct 16 2025

Date             Thu 10/16/25            Fri 10/17/25            Sat 10/18/25
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                      44          24          45          20          46
Temp          35 33 34 40 42 42 35 33 29 25 29 39 45 43 36 32 26 21 27 39 46 43
Dewpt         34 33 34 36 32 33 32 33 29 25 29 32 29 29 29 29 25 21 23 23 18 23
RH            96100100 85 67 70 89100100100100 76 53 57 75 88 96100 85 52 32 45
Wind dir       N  N NW NW NW  W SW SW SW SW SW SW SW SW SW SW  W  W  W SW SW SW
Wind spd       2  3  4  6  8  5  6 11  9  6  9 11 16 13 13 10  5  2  1  5 11 11
Wind gust                                         26 24
Clouds        B2 OV OV OV OV B1 SC SC B2 B2 B2 SC SC B1 B1 B1 B1 SC SC FW CL FW
PoP 12hr                     70          20           0          40           0
QPF 12hr                   0.02           0           0        0.01           0
Snow 12hr                 00-00       00-00       00-00
Rain           C  C  C  C  C  S  S                    C  C  C
Snow                 C           S                       C  C  C
Obvis         PF PF PF


Date               Sun 10/19/25  Mon 10/20/25  Tue 10/21/25  Wed 10/22/25
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            22    51      22    40      16    41      17    45
Temp          29   26 43 47 33   26 34 37 24   19 34 37 25   21 38 41
Dewpt         24   23 27 33 30   26 27 25 22   19 27 26 23   21 29 27
PWind dir          SW     S      SW     W      SW    SW      SW    SW
Wind char          GN    BZ      GN    LT      LT    LT      LT    LT
Avg clouds    FW   FW SC B1 B2   B2 OV B2 SC   SC B2 SC SC   B1 B1 SC
PoP 12hr            0    30      80    60      20    10      10    10
Rain                      C  D    D
Snow                              D  L  C  S

$$
MTZ328-162200-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
206 AM MDT Thu Oct 16 2025

Date             Thu 10/16/25            Fri 10/17/25            Sat 10/18/25
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                      51          29          59          27          54
Temp          35 34 34 42 49 48 38 33 31 30 32 51 58 53 42 36 32 28 30 46 53 51
Dewpt         35 34 34 35 35 35 32 29 27 24 27 33 32 32 31 29 26 25 25 27 23 25
RH           100100100 76 58 60 79 85 85 78 81 50 37 44 65 75 78 88 81 47 31 36
Wind dir       W SW SW  N  E  S SW  S  S SW  S SW SW  W  W  W  W SW SW SW SW  S
Wind spd       6  8  8  5  4  4  5  9 10 10 10  9 11 10 10 10 10  9  8  5  6  6
Wind gust                                         21
Clouds        B2 OV B1 B1 B1 FW FW FW SC SC B1 SC SC SC SC SC SC FW FW FW FW FW
PoP 12hr                     20           0           0          10           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain           S


Date               Sun 10/19/25  Mon 10/20/25  Tue 10/21/25  Wed 10/22/25
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            31    59      29    46      24    48      25    52
Temp          37   35 50 49 37   32 41 41 28   25 40 44 31   27 43 46
Dewpt         28   28 32 36 33   29 29 28 24   22 26 29 26   24 28 28
PWind dir           S     S      SW     W      SW    SW      SW    SW
Wind char          GN    BZ      GN    GN      LT    GN      LT    LT
Avg clouds    FW   SC SC B1 B2   B1 B2 SC SC   FW SC SC SC   SC SC SC
PoP 12hr            0    40      60    30       5     0       5     5
Rain                      C  L    C  C
Snow                                 C

$$
MTZ305-162200-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
206 AM MDT Thu Oct 16 2025

Date             Thu 10/16/25            Fri 10/17/25            Sat 10/18/25
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                      57          34          57          27          56
Temp          36 34 35 45 54 52 42 40 37 36 40 53 57 51 41 36 32 29 32 48 55 51
Dewpt         36 34 34 37 38 38 35 33 30 28 30 34 32 34 34 32 28 25 26 29 24 23
RH           100100 96 73 54 59 76 76 75 72 67 48 38 52 76 85 85 85 78 47 30 33
Wind dir      SW  W  W  W  W SW SW SW SW SW  W  W NW NW  W  W  W  W SW  W  W SW
Wind spd       2  5  5  6  9  8 10 13 18 18 17 18 17 12 10 10 10 10 11 13 13  8
Wind gust                             28 31 27
Clouds        OV B2 OV B2 SC FW SC SC SC SC FW SC B1 B2 B2 B1 SC FW FW FW FW FW
PoP 12hr                     20           0          20          20           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain              S                             S  S  S  S
Obvis         PF


Date               Sun 10/19/25  Mon 10/20/25  Tue 10/21/25  Wed 10/22/25
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            33    64      34    51      28    55      31    59
Temp          38   40 56 57 44   39 45 46 36   32 47 50 39   35 50 54
Dewpt         22   26 31 32 33   33 33 30 29   28 30 28 30   29 30 28
PWind dir          SW    SW       W    NW       W    SW       W    SW
Wind char          GN    GN      BZ    GN      GN    GN      GN    GN
Avg clouds    SC   SC B2 B2 B2   B1 B2 B1 B1   SC SC SC B1   SC SC SC
PoP 12hr            5    20      30    30       5     5       5     0
Rain                   S     S    C  C  S

$$
MTZ314-162200-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
206 AM MDT Thu Oct 16 2025

Date             Thu 10/16/25            Fri 10/17/25            Sat 10/18/25
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                      47          32          57          28          51
Temp          36 35 37 40 44 45 39 38 35 34 39 54 56 51 40 36 32 29 34 46 50 46
Dewpt         36 35 37 38 37 38 33 31 27 24 29 32 33 34 35 34 30 27 27 25 23 25
RH           100100100 92 76 76 79 76 72 66 67 43 42 52 82 92 92 92 75 43 34 43
Wind dir       W  W  W  W  W  W SW SW SW  W  W NW  W NW  W  W  W  W  W  W  W  W
Wind spd       3  4  5  6  8  5  6  8 10 11 13 18 17 13 13 12 10  9  9 11 10  4
Wind gust                                21       27 24
Clouds        OV OV OV OV OV B2 SC FW SC SC FW FW FW B2 B2 B2 B1 SC FW FW FW FW
PoP 12hr                     50          10          10          60           0
QPF 12hr                   0.05           0           0        0.07           0
Snow 12hr                 00-00       00-00       00-00
Rain                 C  C                             L  L  C  C
Snow                                                           C
Obvis         PF


Date               Sun 10/19/25  Mon 10/20/25  Tue 10/21/25  Wed 10/22/25
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            34    63      32    45      27    50      30    55
Temp          40   43 58 52 42   37 40 41 33   32 45 45 38   34 49 50
Dewpt         24   27 33 34 33   33 32 30 28   25 27 27 29   26 29 28
PWind dir          SW    SW       W     W       W     W       W     W
Wind char          GN    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    FW   SC B1 B1 B2   B1 B2 B1 B1   SC SC SC B1   SC SC SC
PoP 12hr            5    20      60    50      20    10      10     5
Rain                      S  L    C  C  C  S
Snow                                       S

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