Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
841 AM MST Sun Nov 30 2025

MTZ312-302300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
841 AM MST Sun Nov 30 2025

Date                Sun 11/30/25            Mon 12/01/25            Tue 12/02/25
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                      24          10          34          27          35
Temp                    5 19 17 16 14 12 14 18 29 34 32 30 29 31 33 32 33 35 33
Dewpt                  -3  8  8  7  5  2  5  9 18 20 21 19 17 20 28 27 28 29 29
RH                     69 61 67 67 67 63 67 67 63 56 63 63 60 63 82 81 82 78 85
Wind dir                S  S SW SW SW SW SW SW SW SW SW SW SW SW SW SW  W  W NW
Wind spd                2  3  5  8  9  9  9 10 11 13 14 18 18 18 16 12  9  9  6
Wind gust                                         24
Clouds                 SC CL SC SC SC SC SC SC B1 B2 B2 B1 B2 B2 B2 OV OV OV OV
PoP 12hr                      0           0           0          30          80
QPF 12hr                      0           0           0           0        0.18
Snow 12hr                 00-00       00-00       00-00
Snow                                                        C  C  D  D  D  D  L
Wind chill                            -1
Min chill             -14                -1


Date               Wed 12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25
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            15    32      22    37      27    41      24    34
Temp          28   20 26 27 25   26 32 34 32   33 38 40 38   32 29 22
Dewpt         23   15 20 21 17   18 24 25 24   24 32 32 30   27 25 21
PWind dir          NW    SW      SW    SW      SW    SW      SW     W
Wind char          GN    LT      BZ    GN      GN    BZ      BZ    BZ
Avg clouds    OV   B2 B1 FW SC   B1 B1 SC B1   B2 B2 B1 B1   B2 B2 B2
PoP 12hr           60     5       5    20      20    30      30    50
Rain                                                  S  C    C  C  C
Snow           L    C                   S  S    S  C  S  C    C  C  C

$$
MTZ303-302300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
841 AM MST Sun Nov 30 2025

Date                Sun 11/30/25            Mon 12/01/25            Tue 12/02/25
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                      20           8          31          22          33
Temp                   -2 14 15 14 11 10 12 17 26 30 27 25 23 26 27 26 30 32 29
Dewpt                  -5  9  9  7  4  2  6 10 19 22 20 18 16 19 23 23 26 29 26
RH                     87 80 77 73 73 69 76 73 74 72 74 74 74 74 85 88 85 88 88
Wind dir               SE  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W NW NW
Wind spd                3  4 10 12 12 11 11 11 13 17 18 21 21 20 18 16 14 14 13
Wind gust                                      24 29 29 35 35 33 29 26 25 25
Clouds                 SC FW SC SC SC SC SC B2 B1 B1 B1 B1 B2 B2 B2 OV B2 B2 B2
PoP 12hr                      0           0           0          30          60
QPF 12hr                      0           0           0           0        0.05
Snow 12hr                 00-00       00-00       00-00
Snow                                                        C  C  C  C  L  L  C
Wind chill            -10          -4 -5 -1
Min chill             -26    -4    -5    -6    -1


Date               Wed 12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25
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             7    30      19    34      22    37      15    30
Temp          21   12 21 24 24   24 30 31 27   27 34 34 26   18 22 20
Dewpt         17    9 18 19 17   18 24 25 22   22 30 29 22   15 19 18
PWind dir          NW    SW       W     W       W     W       W    NW
Wind char          GN    LT      BZ    BZ      BZ    BZ      BZ    BZ
Avg clouds    B2   B2 B1 SC B1   B1 B1 B1 B1   B1 B2 B1 B2   B2 B2 B1
PoP 12hr           40     0       0    10      10    20      30    40
Rain                                                  S  S    C
Snow           C                                      S  S    C  C  C

$$
MTZ319-302300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
841 AM MST Sun Nov 30 2025

Date                Sun 11/30/25            Mon 12/01/25            Tue 12/02/25
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                      26          12          35          25          35
Temp                   11 22 21 17 15 13 13 13 23 33 34 31 27 30 28 29 33 35 33
Dewpt                   5  9 10  9  8  7  9  9 14 16 18 18 16 19 22 24 27 27 26
RH                     76 57 62 70 73 76 84 84 68 49 51 58 63 63 78 81 78 72 75
Wind dir               NE  E SW  W  W SW SW  S  S SW SW SW SW SW SW SW  W  W NW
Wind spd                1  1  5  6  5  5  5  5  4  6  9 10  9  6  4  3  4  5  5
Clouds                 FW FW SC SC FW SC SC SC B1 B2 B2 B2 B2 OV OV OV B2 OV OV
PoP 12hr                      0           0           0          30          80
QPF 12hr                      0           0           0           0        0.08
Snow 12hr                 00-00       00-00       00-00
Snow                                                        C  C  L  L  D  D  L


Date               Wed 12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25
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            17    33      19    37      27    43      31    41
Temp          30   22 26 28 24   23 31 34 32   31 37 43 42   37 37 37
Dewpt         24   19 21 19 16   18 23 24 24   27 32 31 32   32 31 27
PWind dir          NW    SW       S    SW      SW    SW       W     W
Wind char          LT    LT      GN    LT      GN    GN      GN    GN
Avg clouds    OV   B2 B1 SC SC   B1 B1 B1 B2   B2 B2 B2 B2   B2 B2 B1
PoP 12hr           60     5       5    20      30    40      50    60
Rain                                                  C  C    C  L  C
Snow           L    C                   S  C    C  C  C  S    C  L  C

$$
MTZ326-302300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
841 AM MST Sun Nov 30 2025

Date                Sun 11/30/25            Mon 12/01/25            Tue 12/02/25
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                      24           5          32          21          35
Temp                   14 22 18 11  8  6  7  9 23 31 29 26 23 26 27 27 32 34 31
Dewpt                   8 11  9  3  2  1  3  5 15 17 17 18 17 20 23 24 28 29 27
RH                     76 62 67 69 76 79 83 83 71 56 60 71 77 78 85 88 85 82 85
Wind dir                N  N SE  S  S  S  S  S  W  W SW  S SW  S  S  S  W  W  W
Wind spd                0  0  3  5  4  4  4  4  2  3  5  8  8  6  5  5  3  3  3
Clouds                 FW CL FW SC SC FW SC SC B1 B1 B2 OV OV OV OV OV OV OV OV
PoP 12hr                      0           0           0          30          70
QPF 12hr                      0           0           0        0.02        0.12
Snow 12hr                 00-00       00-00       00-00
Snow                                                        C  C  L  L  L  L  C
Wind chill                         -1 -2 -1
Min chill              -3          -1    -2    -1


Date               Wed 12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25
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            14    31      12    36      22    41      27    42
Temp          25   19 25 24 14   16 28 30 26   26 34 40 37   34 39 37
Dewpt         23   18 21 15 10   14 21 21 22   24 29 30 31   29 34 27
PWind dir          NW    SW       S     S       S    SW      SW     W
Wind char          LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    OV   OV B2 SC SC   B1 B2 B1 B2   B2 B2 B2 B2   B2 OV B2
PoP 12hr           50     5       5    10      30    40      40    50
Rain                                                  C  C    C  C  C
Snow           C    S                      C    C  C  C  C    C  C  C

$$
MTZ330-302300-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
841 AM MST Sun Nov 30 2025

Date                Sun 11/30/25            Mon 12/01/25            Tue 12/02/25
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                      29           2          25          14          27
Temp                   23 29 23 13  7  3  3  4 19 25 22 18 15 17 18 19 24 27 25
Dewpt                  11 10  7  3 -1 -2 -1  1 12 13 13 13 12 15 15 16 20 20 19
RH                     59 44 50 63 69 79 83 87 74 60 68 80 88 92 88 88 84 74 78
Wind dir                E  N  N  E SE  S  S  S SW SW SW SW SW SW SW SW SW SW SW
Wind spd                1  3  3  3  1  1  1  1  3  9  8  9  9  8  5  5  6  6  2
Clouds                 SC FW FW SC SC FW SC SC SC B1 B2 OV OV OV OV OV OV OV B2
PoP 12hr                      5           0           5          50          90
QPF 12hr                      0           0           0        0.02        0.09
Snow 12hr                 00-00       00-00       00-00
Snow                                                  S  S  C  C  D  D  D  D  C


Date               Wed 12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25
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            10    29       6    26      14    30      17    34
Temp          17   12 22 23  8    8 21 22 16   16 25 27 24   21 30 28
Dewpt         15    9 15 12  6    7 15 14 14   15 20 19 21   20 24 20
PWind dir          NW     N      SW    SW      SW    SW      SW    SW
Wind char          LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    B2   B1 B1 FW FW   SC B2 B1 B2   B2 OV B2 B2   B2 OV B2
PoP 12hr           40     5       5    30      40    50      50    70
Snow           C    S                S  C  C    C  C  C  C    C  L  L

$$
MTZ328-302300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
841 AM MST Sun Nov 30 2025

Date                Sun 11/30/25            Mon 12/01/25            Tue 12/02/25
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                      29          12          36          23          37
Temp                   21 27 24 17 15 13 13 14 29 36 32 27 24 25 27 26 33 36 31
Dewpt                  12 10 12  8  8  7  8  9 14 14 15 15 14 16 19 20 25 26 26
RH                     68 48 60 67 73 76 80 80 53 40 49 60 65 68 71 78 72 67 81
Wind dir               NW SE SE SW  S  S  S  S SW SW  S  S  S  S  S  S SW  W  N
Wind spd                2  2  3  4  5  5  5  6  4  5  6  9 10 10 10 10  6  5  5
Clouds                 FW CL FW SC FW SC SC FW SC B1 B2 B2 B2 B2 OV B2 B2 B2 OV
PoP 12hr                      0           0           0          20          40
QPF 12hr                      0           0           0        0.03        0.05
Snow 12hr                 00-00       00-00       00-00
Snow                                                        S  S  C  C  C  C  S


Date               Wed 12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25
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            15    32      15    36      22    40      26    41
Temp          26   20 26 25 17   19 30 31 26   26 36 37 34   31 38 35
Dewpt         22   16 19 16  9   13 19 21 18   20 27 29 28   27 29 24
PWind dir           N    SW       S    SW       S    SW      SW    SW
Wind char          LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    OV   B2 B1 FW FW   SC B1 SC B1   B2 B2 B1 B1   B2 B2 B1
PoP 12hr           20     0       0     5      20    20      20    30
Rain                                                     S          C
Snow           S                                S  S  S  S    S  C  C

$$
MTZ305-302300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
841 AM MST Sun Nov 30 2025

Date                Sun 11/30/25            Mon 12/01/25            Tue 12/02/25
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                       6          -6          28          18          34
Temp                   -9  1 -2 -4  0 -2  4  9 21 27 24 22 20 24 26 26 31 34 31
Dewpt                 -13 -4 -5 -7 -4 -7 -1  5 14 18 19 18 17 21 23 24 28 29 27
RH                     82 79 87 86 83 79 79 83 74 68 81 84 88 88 88 92 88 82 85
Wind dir                W SE SE SW SW SW SW SW SW SW SW SW SW SW SW SW  W  W NW
Wind spd                2  2  3  9 10 10 10 10 11 11 11 12 13 13 13 12 12 13 13
Clouds                 SC SC B1 SC FW SC SC B1 B1 B2 B2 B1 B2 OV B2 B2 B2 B2 B2
PoP 12hr                      0           0           0          30          60
QPF 12hr                      0           0           0        0.01        0.06
Snow 12hr                 00-00       00-00       00-00
Snow                                                        C  C  L  L  C  C  C
Wind chill                  -10-20-16-19-12 -5
Min chill             -32   -10   -20   -19    -9
Cold Weather            Y  Y  Y  Y  Y  Y  Y  Y


Date               Wed 12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25
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             3    23       9    34      19    35      14    25
Temp          17    9 14 14 13   20 28 30 26   26 32 33 26   21 22 19
Dewpt         15    7 11  9 10   16 25 25 24   22 29 30 25   19 20 15
PWind dir          NW    SW      SW    SW      SW    SW       W     N
Wind char          GN    LT      GN    GN      GN    GN      GN    GN
Avg clouds    B2   B2 B2 B1 B1   B1 B1 B1 B2   B1 B2 B2 B2   B2 OV B2
PoP 12hr           30     5       5    20      20    30      30    50
Rain                                                  C  C    C
Snow           C                        S  S       S  C  C    C  C  C

$$
MTZ314-302300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
841 AM MST Sun Nov 30 2025

Date                Sun 11/30/25            Mon 12/01/25            Tue 12/02/25
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                      26           8          35          22          34
Temp                   17 25 17 12 13 11 13 15 29 34 30 26 24 28 28 29 32 33 31
Dewpt                   6 12  8  2  3  2  4  6 17 21 20 19 17 20 24 26 29 30 28
RH                     61 57 67 63 63 66 67 67 60 58 66 74 74 71 85 88 88 89 88
Wind dir                E SE  S SW SW SW SW SW SW SW SW SW SW  W  W  W  W NW NW
Wind spd                2  2  4  8  6  6  6  5  5  5  6 10 10 10  9  9 10 12 12
Wind gust                                                                    23
Clouds                 FW CL FW SC FW FW SC SC SC B1 B2 B2 B2 OV OV OV OV OV OV
PoP 12hr                      0           0           0          20          70
QPF 12hr                      0           0           0           0        0.15
Snow 12hr                 00-00       00-00       00-00
Snow                                                        S  S  L  L  L  L  L


Date               Wed 12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25
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             9    29      16    37      22    41      21    35
Temp          24   15 23 21 19   23 33 30 28   28 37 38 33   29 29 24
Dewpt         22   13 18 15 12   17 26 23 22   24 31 31 29   26 26 22
PWind dir          NW    SW      SW     W       W     W       W     W
Wind char          GN    LT      GN    GN      GN    GN      GN    GN
Avg clouds    OV   OV B2 SC SC   B1 B1 B1 B1   B2 B2 B1 B2   B2 B2 B2
PoP 12hr           60    10       5    20      30    30      40    60
Rain                                                  C  C    C  L
Snow           L    C                S  S  C    S  C  C  C    C  L  C

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