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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
941 PM MST Sat Jan 4 2025

MTZ312-051100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
941 PM MST Sat Jan 4 2025

Date          Sat 01/04/25      Sun 01/05/25            Mon 01/06/25         Tue
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                       1          30          11          23          11
Temp                    8  8 11 15 26 29 26 19 17 16 14 15 20 22 20 18 19 20 17
Dewpt                   8  6  6 12 19 24 23 17 14 12 10 11 16 18 16 13 15 14 11
RH                    100 91 80 88 74 81 88 92 88 84 84 84 84 84 84 80 84 77 77
Wind dir                S SW SW SW SW SW SW  N NE NE NE  W  W NW  W SW SW SW SW
Wind spd                3  5  6  9  9  9  6  5  4  3  2  2  2  2  3  4  4  5  5
Clouds                 SC SC SC B1 B2 OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 SC
PoP 12hr                      0          40          70          30          10
QPF 12hr                      0        0.02        0.07        0.01           0
Snow 12hr                 00-00           T           1
Snow                                S  C  L  L  C  C  C  C  S  S
Wind chill                -2
Min chill                    -5


Date           01/07/25  Wed 01/08/25  Thu 01/09/25  Fri 01/10/25  Sat 01/11/25
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    37      15    33      18    42      27    37
Temp          25 27 21   25 34 32 27   20 26 26 22   23 35 37 35   32 35 32
Dewpt         18 19 13   14 22 26 21   14 18 19 14   14 24 27 25   23 26 25
PWind dir        SW      SW    SW       W    SW      SW    SW      SW     W
Wind char        GN      BZ    BZ      GN    GN      GN    BZ      BZ    GN
Avg clouds    SC FW FW   FW B1 B1 B1   B1 FW FW FW   SC SC B1 B2   B1 B2 B1
PoP 12hr          0       0    30      20     5       0     5      30    30
Rain                                                           C    C
Snow                         S  C  S                           C    C  C  S

$$
MTZ303-051100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
941 PM MST Sat Jan 4 2025

Date          Sat 01/04/25      Sun 01/05/25            Mon 01/06/25         Tue
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                      -4          22           6          23           8
Temp                   -1 -1 -1  3 14 19 16 12 11  9  8  7 17 22 19 15 16 14 11
Dewpt                  -5 -3 -2  1 10 16 14  9  8  6  4  5 14 18 16 12 13 10  7
RH                     83 91 95 91 84 88 92 87 87 87 83 91 88 84 88 88 88 84 83
Wind dir               SE NE  E  W NW  N NE  N  N NW NW  W NW NW NW  W  W  W  W
Wind spd                5  4  3  3  3  5  5  4  3  3  2  2  3  4  4  5  6  8  9
Clouds                 B1 B1 B1 B2 OV OV OV OV B2 B2 B2 B1 B1 B2 B1 SC SC SC FW
PoP 12hr                      0          20          20           5           5
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00           T
Snow                                S  S  S  S
Obvis                                    PF
Wind chill            -13-12 -9 -5                                           -2
Min chill             -14   -14    -8                                        -2


Date           01/07/25  Wed 01/08/25  Thu 01/09/25  Fri 01/10/25  Sat 01/11/25
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      20    36      15    32      19    38      24    33
Temp          24 26 23   27 33 31 25   19 24 25 23   24 33 34 30   26 30 27
Dewpt         18 18 15   18 24 25 18   14 18 19 17   17 25 25 23   20 23 22
PWind dir         W       W     W       W     W       W     W       W     W
Wind char        GN      BZ    WY      BZ    GN      GN    BZ      BZ    BZ
Avg clouds    FW FW FW   SC B1 B1 SC   SC FW FW FW   SC SC B1 B2   B1 B1 SC
PoP 12hr          0       0    30      10     0       0    10      30    20
Rain                                                           S    C
Snow                         S  C                              S    C  S

$$
MTZ319-051100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
941 PM MST Sat Jan 4 2025

Date          Sat 01/04/25      Sun 01/05/25            Mon 01/06/25         Tue
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                      15          30          23          34          16
Temp                   17 17 16 17 21 29 29 28 28 28 25 25 29 33 30 26 24 24 20
Dewpt                  13 12 11 13 19 23 25 24 23 23 21 21 26 27 25 20 18 18 15
RH                     84 80 80 84 92 78 85 85 81 81 84 84 88 78 81 78 77 77 81
Wind dir               SW SW SW  W NE  E  W SW  W  W NW NW NW  N NW NW NW  W  W
Wind spd                4  4  4  2  1  3  2  3  2  2  1  1  1  2  2  1  1  1  1
Clouds                 B1 B1 B1 OV OV OV B2 B2 OV B2 B2 OV OV B2 B2 B2 B2 B1 B1
PoP 12hr                      0          50          60          40          20
QPF 12hr                      0        0.03        0.02        0.02           0
Snow 12hr                 00-00           T           T
Snow                             C  C  C  L  C  L  C  C  C  C  C  S  S


Date           01/07/25  Wed 01/08/25  Thu 01/09/25  Fri 01/10/25  Sat 01/11/25
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      15    36      19    35      19    39      26    39
Temp          25 27 19   19 28 32 29   22 27 30 23   21 30 34 32   30 33 34
Dewpt         20 20 12   11 19 23 20   15 20 22 15   13 22 24 23   21 25 24
PWind dir        SW       S     S       W    SW       S     S      SW     W
Wind char        LT      LT    LT      LT    LT      LT    LT      GN    LT
Avg clouds    B1 SC FW   SC B1 B1 B1   B1 SC FW SC   SC SC B1 B2   B1 B1 B1
PoP 12hr          0       0    20      20     5       0     5      30    20
Rain                                                           S    C
Snow                            S  S                           S    C  S  S

$$
MTZ326-051100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
941 PM MST Sat Jan 4 2025

Date          Sat 01/04/25      Sun 01/05/25            Mon 01/06/25         Tue
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                      13          31          21          33          15
Temp                   18 17 16 16 24 30 29 26 27 26 24 24 29 33 30 25 23 21 18
Dewpt                  17 15 14 14 20 25 27 26 25 24 23 24 27 27 26 24 21 20 17
RH                     96 92 92 92 84 81 92100 92 92 96100 92 78 85 96 92 96 96
Wind dir               SE SE  S SE  N SE SE  S  S  S SW  W  W NW NW NW  W  W  W
Wind spd                2  2  2  2  1  3  3  3  2  2  1  1  1  2  2  2  2  1  1
Clouds                 B2 B2 B1 B2 OV OV B2 OV OV OV OV OV OV B2 B2 OV B2 B2 B2
PoP 12hr                     10          50          60          50          30
QPF 12hr                      0        0.03        0.02        0.03           0
Snow 12hr                 00-00           T           T
Snow                             S  C  C  L  L  L  L  C  C  C  C  C  C
Obvis                  PF PF  F  F


Date           01/07/25  Wed 01/08/25  Thu 01/09/25  Fri 01/10/25  Sat 01/11/25
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       8    33      15    33      14    37      21    37
Temp          25 24 13   12 25 29 24   19 27 27 18   16 29 32 27   25 32 31
Dewpt         21 19  8    7 17 22 19   15 21 19 13   12 21 24 20   20 25 23
PWind dir        SW      SE    SW      SW    SW      SE     S      SW     W
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 SC FW   FW B1 B1 B1   B1 B1 SC FW   SC SC B1 B2   B2 B2 B1
PoP 12hr          0       0    20      30     5       0     5      20    20
Rain                                                           S
Snow                            S  C    S                      S    S  S

$$
MTZ330-051100-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
941 PM MST Sat Jan 4 2025

Date          Sat 01/04/25      Sun 01/05/25            Mon 01/06/25         Tue
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          24          11          29           4
Temp                   16 11  9 10 20 23 22 17 16 15 12 13 24 29 26 18 14 10  7
Dewpt                  13  9  7  7 15 17 17 15 13 13 11 11 19 20 20 16 12  8  5
RH                     88 91 91 87 81 77 81 92 88 92 96 91 81 69 78 92 92 91 91
Wind dir               SW  S  S  S SW SW SW SW SW SW  N  N SW  W NW  N  N  N  N
Wind spd                2  2  2  2  4  6  5  3  3  2  0  0  1  2  2  2  2  2  2
Clouds                 B1 B1 B2 OV OV OV B2 B2 B2 OV B2 OV B2 B1 B2 B1 B1 B1 SC
PoP 12hr                     10          50          40          30          20
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00           T       00-00
Snow                             S  C  C  C  C  C  S  C  C  C  C  S  S
Obvis                        PF PF                   PF
Winter Weath                  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date           01/07/25  Wed 01/08/25  Thu 01/09/25  Fri 01/10/25  Sat 01/11/25
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          27      -4    23       2    27       2    26       7    27
Temp          19 21  1   -1 15 20  9    4 18 21  6    4 17 22 13    9 20 22
Dewpt         13 13 -2   -4  8 13  6    2 13 14  3    0 12 15  9    7 14 15
PWind dir         N      NE     S       W     N      NE     S      SW    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC FW FW   FW B1 B1 B1   B1 SC FW FW   SC SC SC B1   B2 B2 B1
PoP 12hr          5       0    20      20    10       0     5      30    30
Snow                            S  S                           S    C  C  S

$$
MTZ328-051100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
941 PM MST Sat Jan 4 2025

Date          Sat 01/04/25      Sun 01/05/25            Mon 01/06/25         Tue
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                      15          34          19          33          14
Temp                   18 18 19 21 28 33 29 25 24 24 21 21 29 33 29 25 23 22 17
Dewpt                  16 16 17 19 21 23 23 20 19 19 17 17 23 25 23 21 19 16 12
RH                     92 92 92 92 75 66 78 81 81 81 84 84 78 72 78 84 84 77 80
Wind dir               SW  S  S  S SW SW SW  S  S  S  S  S SW NW  N NE NE  N  W
Wind spd                6  8  6  5  5  6  6  8  6  6  4  4  2  2  3  4  5  4  5
Clouds                 SC SC B1 OV B2 B1 SC B1 B1 B1 B1 B2 B2 B1 B2 B2 B2 B1 B1
PoP 12hr                      0          20           5          10          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                S  S


Date           01/07/25  Wed 01/08/25  Thu 01/09/25  Fri 01/10/25  Sat 01/11/25
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          29      10    34      13    32      15    37      19    35
Temp          24 23 13   12 26 29 20   15 26 26 18   16 29 31 25   23 30 30
Dewpt         17 15  6    4 15 18 12    9 17 17 10    9 18 21 17   15 20 20
PWind dir         W       S     S      SW    SW       S     S       S    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      GN    GN
Avg clouds    B1 SC FW   FW B1 B1 SC   SC SC FW FW   FW SC B1 B1   B1 B1 SC
PoP 12hr          0       0     5       5     0       0     0       5     5

$$
MTZ305-051100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
941 PM MST Sat Jan 4 2025

Date          Sat 01/04/25      Sun 01/05/25            Mon 01/06/25         Tue
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                      -4          12          -2          13          -2
Temp                    6  2  0  0  5 10  8  4  4  3  2  1  8 13  9  5  5  4  2
Dewpt                   1 -2 -4 -4  3  5  5  3  2  0 -1 -1  5  7  6  3  2  2  0
RH                     79 83 83 83 91 80 87 95 91 87 87 91 87 76 87 91 87 91 91
Wind dir                E  E  E NW  E  N  N  W  W  W  W  W  W  W  W SW SW SW SW
Wind spd                5  3  2  2  2  3  3  4  4  4  3  2  3  3  2  2  3  4  5
Clouds                 B2 B2 SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC
PoP 12hr                     20           5          10           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                    S
Obvis                        PF          PF PF
Wind chill             -5 -6                -5 -6 -7 -6                -2 -5 -9
Min chill              -6   -10                -6    -8    -7          -2    -9


Date           01/07/25  Wed 01/08/25  Thu 01/09/25  Fri 01/10/25  Sat 01/11/25
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          23      12    34      18    30      13    34      21    34
Temp          15 19 16   19 29 32 27   21 25 24 17   16 27 31 29   25 30 28
Dewpt         12 15 12   14 23 28 23   18 21 21 14   13 21 24 24   22 25 24
PWind dir        SW      SW    SW       W     W      SW    SW       W     W
Wind char        LT      GN    BZ      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC FW   SC B1 B2 B2   SC SC FW FW   SC SC B1 B2   B2 B2 B1
PoP 12hr          0       0    40      20     5       0    10      40    30
Rain                                                           C    C
Snow                         S  C  S                           C    C  C  S

$$
MTZ314-051100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
941 PM MST Sat Jan 4 2025

Date          Sat 01/04/25      Sun 01/05/25            Mon 01/06/25         Tue
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                       6          31          11          23          11
Temp                   10 12 13 16 26 31 26 21 20 18 14 14 20 23 18 16 17 17 16
Dewpt                   7  7  9 11 20 23 22 19 17 15 12 12 17 17 15 14 14 13 12
RH                     87 80 84 80 78 72 85 92 88 88 92 92 88 77 88 92 88 84 84
Wind dir                E  S  S  S SW  W  W  W  W  W  W  W  W NW  W  W  W  W  W
Wind spd                4  4  4  5  4  3  3  4  4  3  3  2  2  4  3  3  3  4  4
Clouds                 B2 B1 SC SC SC OV OV OV OV OV OV OV B2 B2 B2 OV B2 B2 B2
PoP 12hr                     10          20          60          40          30
QPF 12hr                      0           0        0.05        0.01           0
Snow 12hr                 00-00       00-00           1
Snow                                S  S  L  L  L  C  C  C  C  C  C  C  S  S


Date           01/07/25  Wed 01/08/25  Thu 01/09/25  Fri 01/10/25  Sat 01/11/25
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      16    39      20    34      17    44      25    35
Temp          26 24 18   23 35 33 28   24 30 26 20   21 36 38 33   30 33 30
Dewpt         20 18  9   11 25 27 24   19 22 20 13   12 25 28 25   24 26 24
PWind dir         W       S    SW       W     W      SW    SW       W     W
Wind char        LT      LT    GN      GN    GN      LT    LT      GN    GN
Avg clouds    B1 FW FW   FW SC B1 B2   B1 SC FW FW   FW SC SC B2   B2 B2 B1
PoP 12hr          0       0    30      40    10       0    10      40    40
Rain                                                           C    C
Snow                            C  C    S                      C    C  C  C

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