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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
844 PM MST Tue Jan 14 2025

MTZ312-151100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
844 PM MST Tue Jan 14 2025

Date          Tue 01/14/25      Wed 01/15/25            Thu 01/16/25         Fri
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                      30          39          30          44          17
Temp                   34 35 36 35 37 39 37 34 33 35 33 37 41 43 40 33 32 29 25
Dewpt                  26 26 27 26 29 30 29 26 25 26 23 27 29 31 30 25 26 23 18
RH                     72 69 69 69 72 70 72 72 72 69 66 67 62 62 67 72 78 78 74
Wind dir               SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW  W  W  W NW
Wind spd               19 18 17 17 16 17 16 18 20 25 28 33 33 29 17 13 11 11 13
Wind gust                                      33 36 42 47 48 44
Clouds                 FW FW FW SC FW SC FW FW FW SC SC B1 SC SC SC B1 B2 B2 B2
PoP 12hr                      0           0           0           0          50
QPF 12hr                      0           0           0           0        0.08
Snow 12hr                 00-00       00-00       00-00
Rain                                                              S  S
Snow                                                                 S  C  C  L
High Wind                                          A  A  A  A  A  A


Date           01/17/25  Sat 01/18/25  Sun 01/19/25  Mon 01/20/25  Tue 01/21/25
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      -1     7     -13     5     -12    17       9    28
Temp          23 14  9    5  6 -1 -5  -10 -1  1 -8  -10  9 14 11   16 24 25
Dewpt         17  9  5   -1  0 -7-10  -16 -8 -6-13  -18 -2  4  1    5 12 15
PWind dir        NW      NW     N       N     W      SW    SW      SW    SW
Wind char        GN      GN    GN      LT    LT      GN    GN      BZ    BZ
Avg clouds    B2 B2 B2   B2 B2 B1 B1   B1 B1 SC SC   SC SC FW SC   B1 B1 B1
PoP 12hr         60      30    10       5     5       5     5      10    20
Snow           L  C  C    C                                               S

$$
MTZ303-151100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
844 PM MST Tue Jan 14 2025

Date          Tue 01/14/25      Wed 01/15/25            Thu 01/16/25         Fri
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                      28          38          29          41          14
Temp                   34 33 32 32 36 38 35 32 32 33 31 33 38 40 35 29 27 24 19
Dewpt                  26 25 25 24 28 30 28 25 26 25 23 24 28 29 26 22 22 18 13
RH                     72 72 75 72 72 73 75 75 78 72 72 69 67 64 69 75 81 77 77
Wind dir                W  W  W  W  W  W  W  W  W SW  W SW  W  W NW NW  W NW NW
Wind spd               27 25 23 23 24 25 25 26 26 29 28 34 39 37 23 18 13 17 18
Wind gust              41 39 34 34 34 37 36 40 46 46 43 50 56 56 35 29       28
Clouds                 SC FW SC SC SC FW FW FW SC B1 B1 B1 SC FW B1 B1 B1 B1 B1
PoP 12hr                      0           0           0           5          40
QPF 12hr                      0           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Snow                                                              C  C  C  C  S
High Wind                                          A  A  A  A  A  A


Date           01/17/25  Sat 01/18/25  Sun 01/19/25  Mon 01/20/25  Tue 01/21/25
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          19      -5     4     -17     3     -13    17       9    26
Temp          18 11  6   -1  0 -2 -9  -14 -5 -1 -8  -11  6 15 10   14 21 23
Dewpt         12  6  3   -5 -6 -6-12  -18-11 -6-12  -17 -2  8  2    5 13 15
PWind dir        NW       N     N      NW    NW       W    SW       W     W
Wind char        BZ      GN    GN      LT    LT      GN    BZ      WY    WY
Avg clouds    B1 B2 B2   B2 B2 B1 B1   B1 SC SC SC   SC SC SC SC   B1 B1 B1
PoP 12hr         20      10     5       0     0       0     0       5    10
Snow           S

$$
MTZ319-151100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
844 PM MST Tue Jan 14 2025

Date          Tue 01/14/25      Wed 01/15/25            Thu 01/16/25         Fri
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                      21          39          24          45          21
Temp                   24 23 22 22 29 37 36 31 28 26 25 26 35 43 41 37 33 32 27
Dewpt                  18 17 18 18 24 27 28 24 22 20 19 20 27 30 28 25 23 22 19
RH                     77 77 84 84 81 67 72 75 78 78 78 78 72 60 59 61 66 66 71
Wind dir                S  S  S  S SE SE  S  S  S  S  S  S  S SW SW  W  W  W NW
Wind spd                8  8  6  4  4  5  5  8  8  9  6  6  8 13 13 10  5  5  6
Wind gust                                                     24 26
Clouds                 FW FW SC SC SC SC SC SC FW SC B1 B1 SC SC FW SC B1 B1 B2
PoP 12hr                      0           0           0           0          40
QPF 12hr                      0           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Snow                                                                    C  C  L


Date           01/17/25  Sat 01/18/25  Sun 01/19/25  Mon 01/20/25  Tue 01/21/25
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          26       3    10      -6    10      -5    17       8    29
Temp          25 17 11    7  7  6  0   -3  3  6  1   -3  9 14  9   12 22 26
Dewpt         17 10  5    0 -1 -3 -6  -10 -4 -1 -6  -10 -1  2  0    3 11 14
PWind dir        NW       N     N      NW    NW      SW     S       S    SW
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 OV B2   B2 B2 B2 B1   B1 B1 SC SC   SC SC SC SC   B1 B1 B1
PoP 12hr         70      30    10       5     5       5     5       5    20
Snow           L  C  C    C                                               S

$$
MTZ326-151100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
844 PM MST Tue Jan 14 2025

Date          Tue 01/14/25      Wed 01/15/25            Thu 01/16/25         Fri
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                      14          37          17          42          18
Temp                   15 16 16 16 27 35 32 25 22 20 18 19 33 40 37 32 29 28 24
Dewpt                  12 13 14 15 22 26 27 22 20 18 16 17 27 29 28 24 23 22 20
RH                     88 88 92 96 81 69 81 88 92 92 92 92 78 64 70 72 78 78 84
Wind dir               SE  S  S  S SW  W SE SE  S SE SE SE  S SW SW SW SW  W  W
Wind spd                5  5  4  3  2  2  3  5  6  5  5  5  5  9 10 10  6  5  5
Wind gust                                                     19
Clouds                 SC FW FW SC SC SC FW FW FW FW SC SC SC FW FW FW B1 B2 B2
PoP 12hr                      0           0           0           0          30
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Snow                                                                    C  C  L
Obvis                        PF


Date           01/17/25  Sat 01/18/25  Sun 01/19/25  Mon 01/20/25  Tue 01/21/25
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          26      -1    10      -9     8      -9    14       1    26
Temp          25 16 10    3  6  5  0   -4  2  4 -4   -7  7 11  3    6 20 23
Dewpt         21 11  5   -1  0 -2 -6   -8 -3 -3 -9  -13 -3  1 -4   -1  9 12
PWind dir        NW      NW    NW       E    NW      SE    SW       S    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2 OV   B2 B2 B1 B1   B1 B1 SC SC   SC SC FW SC   B1 B1 B1
PoP 12hr         70      20    10       5     5       5     5       5    20
Snow           L  C  S    S                                               S

$$
MTZ330-151100-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
844 PM MST Tue Jan 14 2025

Date          Tue 01/14/25      Wed 01/15/25            Thu 01/16/25         Fri
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          28           4          30          11
Temp                    5  5  4  5 17 26 24 15 10  7  5  7 22 30 26 19 18 17 14
Dewpt                   3  2  2  3 12 18 19 12  8  5  3  6 18 21 20 16 15 13 11
RH                     91 87 91 91 80 71 81 88 91 91 91 96 84 69 78 88 88 84 88
Wind dir                S SE SE SE SE SW  S SE SE  S  S  S  S SW SW  S SW SW SW
Wind spd                2  2  1  1  2  3  3  2  2  3  2  2  5 11  9  8  5  3  2
Wind gust                                                     21 19
Clouds                 B2 OV B2 B2 B1 B1 FW SC SC SC SC B1 SC SC SC SC B2 B2 B2
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Snow                                                                          L
Obvis                  PF PF PF


Date           01/17/25  Sat 01/18/25  Sun 01/19/25  Mon 01/20/25  Tue 01/21/25
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          24     -13    10     -20     8     -24    10     -12    16
Temp          22 16  0   -9  3  4-12  -16 -1  3-14  -23 -2  6-10   -9 10 13
Dewpt         16  8 -4  -14 -6 -5-16  -21-10 -7-19  -28-11 -4-15  -14  1  5
PWind dir         W       N     N      NE     N       N    SE      SW    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2 B2 SC   B1 B1 SC SC   SC B1 SC FW   FW SC FW FW   SC B1 B1
PoP 12hr         60      20    10       5    10       5     5       5    20
Snow           L  L  S                                                    S

$$
MTZ328-151100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
844 PM MST Tue Jan 14 2025

Date          Tue 01/14/25      Wed 01/15/25            Thu 01/16/25         Fri
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          37          19          40          16
Temp                   17 17 17 17 28 35 32 25 23 22 20 20 31 39 35 27 24 23 21
Dewpt                  12 12 13 13 20 24 24 19 18 16 15 15 24 28 26 21 18 17 16
RH                     80 80 84 84 71 64 72 78 81 77 81 81 75 64 69 78 77 77 81
Wind dir                S SW  S  S SW SW SW  S  S  S  S  S  S  S  S  S  S  S SW
Wind spd                8  8  8  8  8  6  6  8  9 10 10 11 12 13 11 10  9  8  8
Clouds                 FW FW SC SC FW FW FW FW FW FW FW SC SC FW FW FW SC SC B1
PoP 12hr                      0           0           0           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                                                          S


Date           01/17/25  Sat 01/18/25  Sun 01/19/25  Mon 01/20/25  Tue 01/21/25
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       1    13      -6    12      -8    16       1    26
Temp          26 19  9    4  9  8  2   -1  7  7 -1   -7  8 12  3    6 19 23
Dewpt         18 11  4   -1  0 -2 -7   -8 -3 -4 -9  -13 -4 -2 -8   -4  6  9
PWind dir        NW      NE     N      SE    SW       S     S       S     S
Wind char        GN      GN    GN      LT    LT      LT    LT      LT    GN
Avg clouds    B1 B1 B2   B2 B2 B1 SC   B1 B1 SC SC   SC SC FW SC   SC SC B1
PoP 12hr         20       5     0       0     0       0     0       0     5
Snow           S  S

$$
MTZ305-151100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
844 PM MST Tue Jan 14 2025

Date          Tue 01/14/25      Wed 01/15/25            Thu 01/16/25         Fri
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                      26          38          24          43          16
Temp                   32 31 32 31 36 38 34 28 28 28 27 32 40 42 38 32 29 27 21
Dewpt                  27 26 27 26 29 31 29 24 24 24 22 26 31 33 31 27 24 21 16
RH                     81 81 81 81 75 76 82 85 85 85 81 78 70 70 76 81 81 78 81
Wind dir               SW SW SW SW SW SW SW SW SW SW SW SW SW  W  W  W  W NW NW
Wind spd               16 16 14 14 14 14 12 12 13 17 18 20 23 24 17 13 12 13 14
Wind gust                                      24       31 34 36
Clouds                 SC SC SC B1 FW FW FW FW SC SC SC B1 SC SC SC B1 B2 B1 B1
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           01/17/25  Sat 01/18/25  Sun 01/19/25  Mon 01/20/25  Tue 01/21/25
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          22      -4     4     -16    -1     -17    10       2    26
Temp          20 13  6    0  0 -1-10  -13 -7 -5-12  -15  0  6  5   11 22 24
Dewpt         14  8  2   -3 -5 -5-14  -16-11 -9-15  -19 -6  0 -1    5 15 19
PWind dir        NW      NW    NW      NW     W      SW    SW      SW    SW
Wind char        BZ      GN    GN      LT    LT      LT    GN      GN    BZ
Avg clouds    B2 B2 B2   B2 B2 B1 SC   SC SC SC SC   SC SC FW SC   B1 B1 B1
PoP 12hr         10      10     0       0     0       5     5      20    20
Snow                                                                S  S  S

$$
MTZ314-151100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
844 PM MST Tue Jan 14 2025

Date          Tue 01/14/25      Wed 01/15/25            Thu 01/16/25         Fri
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                      25          41          27          46          14
Temp                   29 29 30 30 37 40 36 31 31 32 30 35 43 45 40 33 29 27 22
Dewpt                  21 21 23 24 30 31 28 24 24 23 21 25 31 30 28 25 25 23 17
RH                     72 72 75 78 75 70 72 75 75 69 69 66 62 55 62 72 85 85 81
Wind dir               SW SW SW SW  W  W SW SW  S SW SW SW SW SW SW  W NW NW NW
Wind spd                9  8  8  6  6  8  8  9 10 12 12 14 18 19 13 13 12 11 11
Wind gust                                      20    23 26 31 32 24 25 23 21 21
Clouds                 FW SC SC SC SC SC FW FW FW FW SC SC SC SC SC B1 B2 OV B2
PoP 12hr                      0           0           0           0          50
QPF 12hr                      0           0           0           0        0.08
Snow 12hr                 00-00       00-00       00-00
Snow                                                                    C  C  C


Date           01/17/25  Sat 01/18/25  Sun 01/19/25  Mon 01/20/25  Tue 01/21/25
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      -4     5     -14     3     -13    17       5    30
Temp          20 11  7    2  1 -1 -7  -10 -2 -1 -7  -11  9 12  8   16 25 25
Dewpt         16  7  4   -2 -4 -5-11  -14 -7 -7-13  -18 -3  2 -1    7 15 16
PWind dir        NW      NW    NW       W     W      SW    SW      SW     W
Wind char        BZ      GN    GN      LT    LT      LT    GN      GN    GN
Avg clouds    B2 B2 OV   OV B2 B2 B2   B1 B1 B1 SC   SC SC FW SC   B1 B1 B1
PoP 12hr         50      40    30      20    10      10    10      20    30
Snow           C  C  C    C  C          S                           S  S  C

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