Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
134 AM MST Fri Jan 31 2025

MTZ312-312300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
134 AM MST Fri Jan 31 2025

Date                Fri 01/31/25            Sat 02/01/25            Sun 02/02/25
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                      48          35          44           4           7
Temp          40 37 38 41 48 46 42 41 39 38 39 43 43 35 28 21 16  9  5  7  6  4
Dewpt         22 18 20 21 22 26 29 28 27 25 27 26 21 13 10  8  7  1 -2 -2 -3 -5
RH            48 46 48 44 35 45 60 59 62 59 62 51 41 40 46 56 67 69 72 66 66 65
Wind dir      SW SW SW SW SW SW  S SW SW SW SW SW SW  W  W  N  N NE  N NE NE NE
Wind spd      20 18 18 19 24 24 25 26 31 32 31 31 29 21 18 20 17 10 10 12 13 14
Wind gust                                46 43 51 48 32
Clouds        OV OV OV OV B2 SC SC B2 B1 SC SC B1 B1 B1 SC SC B1 B1 B2 B2 B2 B2
PoP 12hr                      0           5          10          10          30
QPF 12hr                      0           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Snow                                                                    C  C  L
Wind chill                                                       -5 -9 -9-11-14
Min chill                                                        -6    -9   -14
High Wind                           W  W  W  W  W  W  W


Date               Mon 02/03/25  Tue 02/04/25  Wed 02/05/25  Thu 02/06/25
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    -3      -9    -1      -8     8      -6    14
Temp           0   -5 -4 -3 -3   -4 -3 -1 -2   -5  4  7  1   -3  9 12
Dewpt        -10  -13-12-12-10  -11 -9 -9 -9  -12 -5 -2 -7  -11 -1  1
PWind dir          NE    NE      NE     N       N     W      SW    SW
Wind char          GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    B2   OV B2 B2 B2   OV B2 B2 B2   B2 B2 B1 B1   B1 B1 SC
PoP 12hr           70    40      60    60      50    40      20    10
Snow           L    L  C  C  C    L  C  L  C    C  C  C  S    S

$$
MTZ303-312300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
134 AM MST Fri Jan 31 2025

Date                Fri 01/31/25            Sat 02/01/25            Sun 02/02/25
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                      44          27          39          -8          -2
Temp          34 31 30 39 44 41 36 35 32 34 35 37 35 24 13  6  1 -2 -7 -4 -3 -5
Dewpt         22 17 18 21 25 31 28 28 26 25 26 22 17 12  6 -1 -5 -8-14-12-13-13
RH            61 56 60 48 47 67 72 75 78 69 69 54 47 60 73 72 75 75 71 67 61 67
Wind dir      SW SW  S  S SW SW  S  S SW  W SW  W  W NW  N  N  N  N  N  N  N  N
Wind spd      11  8 11 14 17 16 13 14 19 24 28 33 35 28 23 16 11  9 10 12 12 12
Wind gust              25 29 26    26 33 39 50 52 52 40
Clouds        OV B2 OV OV B2 SC SC B2 B1 B1 SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      0          10          10          20          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                                        S  S              S
Wind chill                                              -6-13-16-17-25-23-22-25
Min chill                                                 -14   -20   -26   -26
High Wind                           W  W  W  W  W  W  W


Date               Mon 02/03/25  Tue 02/04/25  Wed 02/05/25  Thu 02/06/25
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    -6     -17    -4     -14     8      -7    12
Temp          -8  -12 -9 -7-10  -12 -8 -6 -6  -12  1  5 -1   -4  8  8
Dewpt        -15  -19-17-15-15  -18-15-12-12  -16 -8 -3 -7  -10 -1  2
PWind dir           N    NE      NE     N      NW    NW      NW     W
Wind char          GN    LT      LT    LT      LT    LT      GN    GN
Avg clouds    B2   B2 B2 B2 B2   B2 B2 B1 B1   B1 B2 B1 B1   B1 B1 B1
PoP 12hr           20    10      20    20      20    20      10     5
Snow           S             S    S  S  S  S    S  S  S

$$
MTZ319-312300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
134 AM MST Fri Jan 31 2025

Date                Fri 01/31/25            Sat 02/01/25            Sun 02/02/25
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                      41          27          39          12          21
Temp          22 21 22 29 37 39 35 33 31 29 27 34 36 33 27 21 19 15 12 18 20 16
Dewpt         11 14 14 19 23 26 25 25 23 22 21 25 22 17 13 10  9  7  6  9 10  6
RH            62 74 71 66 56 59 66 72 72 75 78 69 56 51 55 62 64 70 76 67 64 64
Wind dir       W  W SW  S  S  S  S SE  S  S  S SW  W  W  W  W  W  W  W NW NW  N
Wind spd       5  5  5  6 10 11 12 12 12 11 10 11 17 13 10  5  4  2  2  4  6  9
Wind gust                 20 21 24 25 28 28 24 25 31 27 20
Clouds        B2 B2 B2 B2 B2 B1 B1 B2 SC B1 B1 B2 B2 B1 SC B1 B1 B1 B2 B2 B2 B2
PoP 12hr                      5          20          60          20          30
QPF 12hr                      0           0        0.04        0.01        0.02
Snow 12hr                 00-00       00-00           T
Rain                                S
Snow                                S     C  C  L  L  S  S              C  C  L


Date               Mon 02/03/25  Tue 02/04/25  Wed 02/05/25  Thu 02/06/25
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            -6     2      -9     2      -7    11      -1    18
Temp           6   -1 -1  2 -1   -5 -2  2  1   -4  6 11  6    1 12 16
Dewpt         -1   -6 -7 -4 -7   -9 -7 -3 -6   -9 -2  2  0   -3  3  5
PWind dir           N     N       N     N       N    NW       W     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    OV   OV OV B2 B2   OV OV B2 B2   B2 B2 B2 B1   B1 B1 B1
PoP 12hr           70    40      60    50      60    40      20    20
Snow           L    L  C  C  C    L  C  C  C    L  C  C  S    S  S

$$
MTZ326-312300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
134 AM MST Fri Jan 31 2025

Date                Fri 01/31/25            Sat 02/01/25            Sun 02/02/25
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                      38          22          39          12          28
Temp          17 18 19 29 36 36 31 31 28 27 27 34 37 33 27 24 21 17 14 23 26 25
Dewpt          9 10 11 18 22 24 22 23 21 20 19 25 25 24 21 18 15 12  9 17 19 18
RH            70 70 70 63 56 61 69 72 75 74 71 69 61 69 78 77 77 80 80 77 74 74
Wind dir      SE  S  S SE  S  E SE SE SW  S  S SW  W  W  W  W  W SW  S  W  W NW
Wind spd       5  5  5  5  8 11 11 11 11 11 10 10 12 12  9  5  4  2  2  2  2  4
Wind gust                 18       21 21 21 20 21 29 24
Clouds        B1 B2 OV OV OV B2 OV OV B1 B1 B1 B2 B2 B2 B2 OV B2 OV OV B2 B2 B2
PoP 12hr                      5          20          60          40          40
QPF 12hr                      0           0        0.03        0.02        0.01
Snow 12hr                 00-00       00-00           T
Snow                                      S  S  L  L  C  C              C  C  D


Date               Mon 02/03/25  Tue 02/04/25  Wed 02/05/25  Thu 02/06/25
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             2    17       0    15      -5    16      -8    18
Temp          14    8 12 17 11    6 10 15  7   -2 10 13  3   -6 10 14
Dewpt         12    5  9 12  7    2  8 11  4   -6  6  7 -2  -10  4  6
PWind dir           N    NE       E     N      NE     W       S    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    OV   OV OV OV OV   OV OV OV OV   OV OV B2 B2   B2 B1 B1
PoP 12hr           80    50      60    60      60    60      30    20
Snow           D    L  C  C  L    L  L  L  L    L  L  C  C    S  S  S

$$
MTZ330-312300-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
134 AM MST Fri Jan 31 2025

Date                Fri 01/31/25            Sat 02/01/25            Sun 02/02/25
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                      27          17          30          16          28
Temp           2  1  2 19 27 25 22 22 20 19 20 28 30 28 26 23 21 18 17 25 27 26
Dewpt         -2 -3 -2 10 14 18 18 19 18 17 18 23 22 22 21 19 17 15 15 20 20 21
RH            83 83 83 67 57 74 84 88 92 92 92 81 72 78 81 84 84 88 92 81 74 81
Wind dir      SE SE SE  S  S  S  S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind spd       3  2  3  5 14 13 12 11 10  8 10 13 20 17 13  9  6  5  4  6 12 10
Wind gust              19 33 34 29 27 23 20 23 33 42 36 29 21          18 26 25
Clouds        B1 B1 B2 OV OV OV OV OV B2 B2 OV OV OV B2 B2 B2 B2 OV OV OV B2 B2
PoP 12hr                     50          90          80          50          60
QPF 12hr                   0.03        0.07        0.08        0.08        0.10
Snow 12hr                     T           1           1
Snow                       S  L  L  L  C  L  L  D  D  C  C  C  C  C  C  L  L  D
Obvis                                             BS BS
Wind chill    -6    -5
Min chill        -7    -7
Winter Storm                                                      A  A  A  A  A
Winter Weath                  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date               Mon 02/03/25  Tue 02/04/25  Wed 02/05/25  Thu 02/06/25
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            19    31      28    34      24    31      -6    19
Temp          22   20 29 31 31   31 34 34 32   26 31 27 10   -4 13 16
Dewpt         19   18 26 25 27   29 30 29 30   24 24 19  6   -8  5  6
PWind dir          SW    SW      SW    SW      SW    SW      SW    SW
Wind char          GN    GN      GN    GN      GN    GN      LT    LT
Avg clouds    OV   B2 OV OV B2   OV OV OV OV   OV OV OV B2   B2 B2 B1
PoP 12hr           80    70      80    80      80    70      50    40
Snow           D    L  L  L  D    L  D  D  D    L  L  L  C    C  C  C

$$
MTZ328-312300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
134 AM MST Fri Jan 31 2025

Date                Fri 01/31/25            Sat 02/01/25            Sun 02/02/25
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                      35          21          40          16          32
Temp          22 18 19 28 34 33 27 28 25 24 24 36 38 35 28 25 23 19 17 27 31 28
Dewpt         10  7  9 14 18 20 20 21 20 19 19 27 26 23 18 16 14 12 11 18 20 21
RH            59 61 64 55 51 58 74 75 81 81 81 69 62 61 66 68 68 74 77 68 63 75
Wind dir       S  S  S  S  S  S  S  S  S  S  S SW SW SW SW SW SW SW  S SW SW  W
Wind spd      10 11 10 12 18 17 17 16 14 13 14 16 23 18 13 10  8  6  5  5  9  8
Wind gust                                      28 35 29
Clouds        B1 B1 B2 OV OV SC B1 B1 SC SC B1 B2 B2 B1 B1 B1 B2 B1 B2 B2 B2 B2
PoP 12hr                      5          10          40          10          20
QPF 12hr                      0           0        0.02           0        0.01
Snow 12hr                 00-00       00-00       00-00
Snow                                      C  C  C  C                    S  S  C


Date               Mon 02/03/25  Tue 02/04/25  Wed 02/05/25  Thu 02/06/25
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    28      14    27      10    25       0    21
Temp          20   18 23 28 22   18 24 27 19   13 22 22 11    2 15 19
Dewpt         16   14 18 21 18   14 19 19 15    9 14 12  4   -5  6  7
PWind dir          SW    NE      NE    NE      NE     W      SW    SW
Wind char          LT    LT      GN    GN      GN    LT      LT    LT
Avg clouds    B2   B2 OV OV OV   B2 OV OV B2   B2 B2 B2 B2   SC SC SC
PoP 12hr           40    30      40    40      40    40      20    10
Snow           C    C  C  C  C    C  C  C  C    C  C  C  S

$$
MTZ305-312300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
134 AM MST Fri Jan 31 2025

Date                Fri 01/31/25            Sat 02/01/25            Sun 02/02/25
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                      40          27          42          -5           3
Temp          29 27 26 35 40 37 34 33 32 34 36 40 40 31 19 11  6  2 -4  2  3  1
Dewpt         22 20 21 25 29 29 28 27 26 27 29 29 28 21 13  5  0 -6-10 -7 -7 -7
RH            75 74 81 66 64 72 78 78 78 75 75 64 62 66 77 76 76 68 75 65 62 68
Wind dir      SW SE  E  E SE  E SW SW SW SW SW SW  W  W NW  N NW NW NW NW NW  N
Wind spd       6  6  6  6  8  8 11 12 16 18 19 23 24 19 21 17 14 10 10 11 12 12
Wind gust                                   29 34 37    32
Clouds        B2 B2 B2 OV OV B2 B1 B1 B2 OV B1 SC B1 B1 B1 B1 B1 B1 B1 B2 B2 B2
PoP 12hr                      5          10           5           5          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                                                          C
Wind chill                                                 -6-12-14-21-15-15-17
Min chill                                                  -6   -15   -21   -17


Date               Mon 02/03/25  Tue 02/04/25  Wed 02/05/25  Thu 02/06/25
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    -3     -11     0     -10     5      -7    11
Temp          -6  -10 -7 -3 -4   -6 -2 -1 -2   -7  0  4 -1   -5  5  7
Dewpt        -13  -17-15-11 -9  -10 -8 -6 -6  -12 -6 -2 -5  -10 -1  2
PWind dir           N     N      NE     N       N     W       W     W
Wind char          GN    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B2   B2 B2 B2 B2   OV OV B2 B2   B2 B2 B1 B2   B1 B1 B1
PoP 12hr           30    30      40    50      40    40      20    10
Snow           C    C  C  C  C    C  C  C  C    C  C  C  S    S

$$
MTZ314-312300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
134 AM MST Fri Jan 31 2025

Date                Fri 01/31/25            Sat 02/01/25            Sun 02/02/25
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                      43          30          42           7          13
Temp          31 31 32 40 41 40 37 35 34 35 34 40 40 34 28 20 16 12  9 13 13  6
Dewpt         16 14 17 20 22 22 25 26 24 25 25 27 24 24 18 13 10  6  5  7  5  2
RH            53 49 53 44 46 48 61 69 66 66 69 59 52 66 66 74 77 76 83 76 70 83
Wind dir      SW  S  S  S SW SW SW SW SW SW SW SW  W  W NW NW NW  W NW NW NW  N
Wind spd       8  6  8  9 11 14 14 14 16 14 14 14 17 16 16 17 12  5  4  5  6  8
Wind gust              19 23 26 27 28 29 29 26 29 31 27 27    26
Clouds        SC B2 OV B2 OV B2 B2 B1 B2 B2 B1 SC B2 B2 B2 B2 B2 B2 B2 B1 OV OV
PoP 12hr                      5          10          20          30          50
QPF 12hr                      0           0           0        0.01        0.04
Snow 12hr                 00-00       00-00       00-00
Snow                                            S  S  C  C        S  S  C  C  D
Wind chill                                                                   -6
Min chill                                                        -1    -1    -6


Date               Mon 02/03/25  Tue 02/04/25  Wed 02/05/25  Thu 02/06/25
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    -1      -9    -2      -8     5      -5    12
Temp           0   -5 -2 -1 -2   -4 -3 -2 -1   -5  3  4  1   -2  9  8
Dewpt         -5  -10 -8 -7 -7   -8 -7 -6 -5   -9 -2 -3 -5   -9  1  0
PWind dir          NW    NE       E     N      NE    NW      SW     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    OV   OV OV OV OV   OV OV B2 B2   B2 B2 B2 B1   B1 B1 SC
PoP 12hr           90    60      80    70      70    50      30    20
Snow           D    D  L  C  L    D  L  L  L    L  C  C  C    C  S  S

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