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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
231 PM MST Sun Nov 30 2025

MTZ312-011100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
231 PM MST Sun Nov 30 2025

Date          Sun 11/30/25      Mon 12/01/25            Tue 12/02/25         Wed
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                       8          34          28          35          16
Temp             12 12 11 10 12 18 27 34 32 33 33 32 32 32 33 34 33 29 28 25 21
Dewpt             5  4  3  2  4 11 16 22 20 23 23 22 28 28 30 31 29 25 24 20 17
RH               73 70 69 69 70 73 63 61 61 66 66 66 85 85 89 89 85 85 85 81 84
Wind dir         SW SW SW SW SW SW SW SW SW SW SW SW SW SW  W  W  W NW NW NW SW
Wind spd          4  6  9  9 10 11 16 17 16 20 20 19 17 12 11 10  6 10 10  8  5
Wind gust                          26 27 27 32 34 32 27
Clouds           SC SC SC SC FW B1 SC B1 B2 B2 B2 B2 OV OV OV OV OV OV OV B2 B2
PoP 12hr                      0           5          40          80          60
QPF 12hr                      0           0        0.03        0.22        0.03
Snow 12hr                 00-00       00-00           T
Snow                                            C  C  D  D  D  D  L  L  C  C
Obvis                                 BS    BS BS BS BS
Wind chill             -2 -3 -1
Min chill              -2    -3


Date           12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          31      24    36      25    39      21    34      17    34
Temp          27 28 27   30 33 33 32   30 34 35 32   26 31 29 25   23 31 31
Dewpt         22 20 18   22 26 26 25   24 29 28 25   20 25 23 19   15 23 21
PWind dir        SW      SW    SW      SW    SW      SW    SW      SW    SW
Wind char        LT      BZ    BZ      BZ    GN      BZ    GN      GN    GN
Avg clouds    B1 FW SC   B1 B1 SC B1   B2 B2 B1 B2   B2 B2 B1 B1   B1 B1 B1
PoP 12hr          0       0    10      30    40      40    50      30    20
Rain                                          C  C
Snow                               C    C  C  C  C    C  C  C  C    S  S

$$
MTZ303-011100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
231 PM MST Sun Nov 30 2025

Date          Sun 11/30/25      Mon 12/01/25            Tue 12/02/25         Wed
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                       5          31          23          33           7
Temp              9  8  7  7 11 15 24 29 29 28 27 27 27 26 30 32 29 24 20 16 11
Dewpt             5  3  0 -1  4 10 17 21 22 20 20 20 24 23 27 29 27 22 18 13  9
RH               83 79 72 69 73 80 74 72 75 71 74 74 88 88 88 88 92 92 92 88 91
Wind dir          W  W  W  W  W  W  W  W  W  W  W  W  W  W  W NW NW  N NW NW  W
Wind spd          9 11 11 12 12 14 20 25 20 24 24 21 19 18 16 14 12 12 10  5  4
Wind gust                       26 32 37 37 44 42 40 37 32 28 28
Clouds           B1 SC SC SC SC B1 SC SC B1 B1 B2 B2 B2 OV B2 B2 B2 OV B2 B2 B1
PoP 12hr                      0           0          30          60          40
QPF 12hr                      0           0        0.02        0.05           0
Snow 12hr                 00-00       00-00           T
Snow                                            C  C  C  C  L  L  C  C
Obvis                              BS BS BS BS BS BS BS BS
Wind chill       -4 -7 -9 -9 -4 -1
Min chill        -4    -9   -10    -3


Date           12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          30      19    34      21    35      14    28      10    29
Temp          22 26 24   26 30 30 28   25 31 30 26   19 24 23 18   16 26 27
Dewpt         19 20 17   20 25 25 22   21 27 26 21   15 20 18 13   11 19 19
PWind dir        SW       W     W       W     W       W     W       W     W
Wind char        LT      BZ    BZ      BZ    BZ      BZ    GN      GN    GN
Avg clouds    B1 SC B1   B1 B1 B1 B1   B1 B2 B1 B2   B2 B2 B1 B1   B1 B2 B1
PoP 12hr          0       0     5      10    30      30    40      20    10
Snow                                          C  C    C  C  C  S

$$
MTZ319-011100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
231 PM MST Sun Nov 30 2025

Date          Sun 11/30/25      Mon 12/01/25            Tue 12/02/25         Wed
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      10          34          25          35          18
Temp             21 16 13 11 12 12 22 32 32 32 30 30 29 28 32 34 33 31 29 27 23
Dewpt            11  9  8  7  9  9 14 17 18 21 20 21 24 23 27 28 27 25 24 21 19
RH               65 73 80 83 87 87 71 53 56 63 66 69 81 81 81 78 78 78 81 78 84
Wind dir         SW  W  W  W SW  S SE  W SW SW  S  S SW  W  W NW NW NW NW NW  W
Wind spd          4  5  5  5  5  5  4  8 11 11 10  8  6  5  5  6  5  5  5  3  2
Clouds           SC SC FW SC SC SC SC SC OV OV B2 OV OV B2 OV OV OV OV OV B2 B2
PoP 12hr                      0           5          40          80          60
QPF 12hr                      0           0           0        0.04        0.01
Snow 12hr                 00-00       00-00       00-00
Snow                                      S  S  C  C  L  L  D  D  L  L  S  S


Date           12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          32      19    36      26    41      27    40      24    38
Temp          26 29 24   25 31 34 33   31 33 39 37   32 35 36 30   27 32 35
Dewpt         21 20 15   19 25 24 25   25 28 29 27   26 29 25 22   21 24 23
PWind dir        SW      SW    SW      SW    SW       W     W       W    SW
Wind char        LT      GN    LT      GN    LT      GN    GN      GN    GN
Avg clouds    B1 SC SC   B1 B2 B1 B2   B2 B2 B2 B2   B2 B2 B2 B2   B1 B2 B1
PoP 12hr          0       0    10      40    50      50    60      30    20
Rain                                          C  C    C  L  C  C
Snow                               C    C  C  C  C    C  L  C  C    S  S  S

$$
MTZ326-011100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
231 PM MST Sun Nov 30 2025

Date          Sun 11/30/25      Mon 12/01/25            Tue 12/02/25         Wed
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                       2          31          21          35          16
Temp             17 10  7  3  6  8 19 29 29 27 26 26 29 27 32 35 32 28 25 24 21
Dewpt             9  3  2 -1  3  5 12 16 18 20 21 22 25 24 29 29 28 25 23 22 19
RH               70 73 79 83 87 87 74 58 63 74 81 85 85 88 88 78 85 88 92 92 92
Wind dir         SE  S  S  S  S SE NW NE SE  S SW  S SW SW  W  W NW NW NW  W  W
Wind spd          2  4  4  4  4  4  3  5  8 10  9  9  8  6  4  5  4  4  4  3  2
Clouds           FW SC SC FW FW SC SC B1 B2 OV OV OV OV OV OV B2 OV OV OV OV OV
PoP 12hr                      0           0          40          70          50
QPF 12hr                      0           0        0.02        0.05        0.01
Snow 12hr                 00-00       00-00           T
Snow                                      S  S  C  C  L  L  L  L  C  C  S  S
Wind chill             -2 -6 -3 -1
Min chill              -2    -6    -2


Date           12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          32      13    36      22    39      25    39      20    38
Temp          27 25 17   19 30 32 28   26 33 36 32   30 34 35 27   24 32 35
Dewpt         23 17 11   14 24 21 24   23 28 27 27   25 29 25 22   20 24 22
PWind dir         W       S     S       S    SW      SW    SW      SW    SW
Wind char        LT      LT    LT      GN    LT      GN    GN      GN    LT
Avg clouds    B2 SC FW   B1 B2 B1 B2   OV OV B2 B2   OV B2 B2 B2   B2 B2 B1
PoP 12hr          0       0    10      40    50      50    50      30    10
Rain                                          C  C    C     C
Snow                               C    C  C  C  C    C  C  C  C    S

$$
MTZ330-011100-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
231 PM MST Sun Nov 30 2025

Date          Sun 11/30/25      Mon 12/01/25            Tue 12/02/25         Wed
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                       0          25          14          28           7
Temp             22 12  5  1  1  3 17 24 22 19 18 17 19 19 25 28 26 21 17 14 10
Dewpt             7  3 -2 -3 -1  2 11 14 15 15 15 14 16 16 20 21 20 18 15 12  8
RH               52 66 72 83 91 95 77 65 74 84 88 88 88 88 81 75 78 88 92 92 91
Wind dir          N  E  S  N SW  S SW SW SW SW SW SW SW SW SW SW SW NW  N  N  N
Wind spd          2  2  1  0  1  1  4  9  9 11 11 10  8  6  8  8  2  2  2  2  2
Clouds           CL SC FW FW FW SC SC SC B1 B2 OV OV OV OV OV OV B2 B2 B2 B1 B1
PoP 12hr                      0           5          60          90          50
QPF 12hr                      0           0        0.02        0.05        0.01
Snow 12hr                 00-00       00-00           T
Snow                                      C  C  L  L  D  D  D  D  C  C  S  S
Winter Weath                                    Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date           12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          28       5    26      13    28      16    33      14    31
Temp          22 22  7    9 20 23 18   15 24 26 22   20 29 29 20   16 26 28
Dewpt         15 12  3    7 16 15 15   13 20 18 19   18 25 21 17   15 22 21
PWind dir         N      SW    SW      SW    SW      SW    SW      SW    SW
Wind char        LT      LT    LT      LT    LT      GN    GN      LT    LT
Avg clouds    B1 FW FW   SC OV B2 B2   B2 OV B2 B2   B2 OV B2 B1   B2 B2 B2
PoP 12hr          5       5    20      50    60      60    70      40    40
Snow                         S  S  C    C  C  L  L    L  L  L  C    C  C  C

$$
MTZ328-011100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
231 PM MST Sun Nov 30 2025

Date          Sun 11/30/25      Mon 12/01/25            Tue 12/02/25         Wed
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      11          36          23          37          16
Temp             23 16 14 12 13 13 26 35 31 29 27 27 27 25 33 37 32 28 25 22 20
Dewpt            11  8  8  7  8  9 13 16 16 18 18 19 20 20 25 26 26 24 22 18 16
RH               59 70 76 80 80 84 57 45 53 63 68 71 74 81 72 64 78 85 88 84 84
Wind dir         SE SW  S  S SW  S SW SW SW  S  S  S  S  S SW  W  N  N  N  N NW
Wind spd          2  3  5  5  5  8  4  6  8 11 12 12 11 10  8  6  5  6  9  8  6
Clouds           FW SC FW FW FW SC SC B1 B2 OV OV OV OV B2 B2 B2 OV OV B2 B1 B2
PoP 12hr                      0           5          20          40          20
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                      S  S  S  S  S  S  C  C  S  S


Date           12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          33      15    36      22    40      25    40      19    37
Temp          27 26 17   19 30 30 26   25 34 36 31   29 36 34 27   22 32 32
Dewpt         20 17 10   12 20 20 20   20 25 26 25   23 28 24 20   16 22 22
PWind dir        SW       S     S       S    SW      SW    SW      SW     S
Wind char        LT      LT    LT      GN    GN      GN    GN      GN    GN
Avg clouds    B1 FW FW   B1 B1 SC B1   B2 B1 B1 B1   B2 B2 B1 B1   B1 B1 SC
PoP 12hr          0       0     0      20    30      30    30      20    10
Snow                               S    S  S  C  C    C  C  C  S

$$
MTZ305-011100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
231 PM MST Sun Nov 30 2025

Date          Sun 11/30/25      Mon 12/01/25            Tue 12/02/25         Wed
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                     -12          31          20          35           5
Temp             -8 -9 -5 -8  1  7 17 27 26 27 25 25 29 27 33 34 30 22 16 12  8
Dewpt            -9-10 -7-10 -4  6 12 20 21 23 22 22 25 26 30 30 27 21 15 10  7
RH               95 95 91 91 79 96 80 74 81 85 88 88 85 96 89 85 88 96 96 91 96
Wind dir         SE SW SW SW SW SW SW SW SW SW SW SW SW  W  W  W NW NW NW NW  W
Wind spd          2  8 10 10 11 12 16 16 13 14 14 14 13 13 13 14 13 12  9  5  4
Wind gust                                   25 27 27 26       28
Clouds           B1 SC SC SC SC SC SC SC B2 B1 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      0           0          50          60          30
QPF 12hr                      0           0        0.01        0.04           0
Snow 12hr                 00-00       00-00       00-00
Snow                                      S  S  C  C  L  L  C  C  C  C
Obvis             F
Wind chill         -25-22-26-16 -9                                           -1
Min chill        -8   -25   -26   -13                                        -1
Cold Weather      Y  Y  Y  Y  Y  Y


Date           12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          25      10    34      17    33      10    23       4    28
Temp          17 19 16   22 30 30 25   22 29 29 22   15 19 18 11    9 23 25
Dewpt         14 15 13   18 27 26 24   21 27 26 21   14 17 16 11    8 18 19
PWind dir        SW      SW    SW      SW     W       W    NE      NE    SW
Wind char        LT      GN    GN      GN    GN      GN    GN      LT    GN
Avg clouds    B2 B1 B1   B2 B2 B2 B1   B2 B2 B2 B2   B2 B2 B2 B2   B1 B2 B2
PoP 12hr          5       0    10      20    40      60    50      40    20
Snow                               S    S  C  C  L    C  C  C  C    S  S

$$
MTZ314-011100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
231 PM MST Sun Nov 30 2025

Date          Sun 11/30/25      Mon 12/01/25            Tue 12/02/25         Wed
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                       7          35          23          33          12
Temp             17 12 12  9 12 15 27 33 31 29 28 28 30 29 32 33 31 27 24 21 15
Dewpt            10  3  3  1  4  8 16 21 21 21 22 22 26 26 29 30 28 25 22 18 13
RH               73 66 66 69 70 73 63 61 66 72 78 78 85 88 88 89 88 92 92 88 92
Wind dir          S SW SW SW SW SW SW  W  W SW SW  W  W  W  W NW NW NW NW NW  W
Wind spd          3  6  6  6  6  6  8  9  8 11 11 11 11 11 11 13 12 13 12  9  5
Wind gust                                      21 23 24 21 23 25 23 24
Clouds           FW SC FW SC SC SC SC SC B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV
PoP 12hr                      0           0          30          70          60
QPF 12hr                      0           0        0.04        0.24        0.10
Snow 12hr                 00-00       00-00           T
Snow                                            C  C  L  L  L  L  L  L  C  C
Wind chill                -2
Min chill                    -2


Date           12/03/25  Thu 12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25
MST 6hrly     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          30      17    37      22    39      20    36      15    34
Temp          25 24 22   27 33 33 30   27 34 33 30   25 32 30 24   21 31 30
Dewpt         21 18 14   19 26 25 25   23 29 27 25   21 26 25 20   16 23 20
PWind dir         W      SW     W       W     W       W     W       W     W
Wind char        LT      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 SC SC   B1 B1 B1 B1   B2 B2 B1 B2   B2 B2 B2 B2   B1 B1 B1
PoP 12hr          5       0    10      40    40      60    60      40    20
Snow                               C    C  C  C  L    C  L  C  C    S  S

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