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Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
219 AM MST Fri Jan 10 2025

MTZ312-102300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
219 AM MST Fri Jan 10 2025

Date                Fri 01/10/25            Sat 01/11/25            Sun 01/12/25
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          27          35          22          31
Temp             28 35 39 41 40 36 34 33 29 29 33 33 32 30 29 29 26 23 29 31 29
Dewpt            16 21 25 28 30 29 28 28 23 22 25 27 27 24 23 23 21 19 23 24 24
RH               60 56 57 59 67 75 78 82 78 75 72 78 81 78 78 78 81 84 78 75 81
Wind dir         SW SW SW SW SW  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W
Wind spd         21 24 25 23 21 18 16 17 17 16 14 13 11 12 12 12 10  9 10 10  9
Wind gust        32 34 35 34 33    26          25 24
Clouds           SC B2 B2 B2 B2 B2 OV OV B2 OV OV OV OV OV OV OV OV OV B2 OV OV
PoP 12hr                     10          90          60          70          60
QPF 12hr                      0        0.11        0.05        0.06        0.06
Snow 12hr                 00-00           1           T
Rain                          C  C
Snow                             C  D  D  C  C  L  L  L  L  L  L  L  L  L  L  C
Obvis                                    BS
Winter Weath                           Y  Y  Y  Y  Y  Y  Y  Y  Y     Y  Y  Y  Y


Date               Mon 01/13/25  Tue 01/14/25  Wed 01/15/25  Thu 01/16/25
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    31      16    33      21    36      18    36
Temp          24   18 26 27 22   18 28 30 26   22 32 32 25   23 31 32
Dewpt         20   11 18 20 15   10 19 21 17   13 21 23 15   13 20 22
PWind dir           W    SW      SW    SW      SW    SW      SW    SW
Wind char          GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    B2   B2 SC FW SC   SC SC FW FW   FW FW FW FW   FW FW FW
PoP 12hr           50     5       0     0       0     0       0     0
Snow           C    C

$$
MTZ303-102300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
219 AM MST Fri Jan 10 2025

Date                Fri 01/10/25            Sat 01/11/25            Sun 01/12/25
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          24          33          19          29
Temp             29 33 36 40 37 32 31 30 26 26 30 31 29 26 26 24 22 20 25 29 26
Dewpt            19 21 23 28 29 26 27 24 20 20 24 25 24 22 22 20 17 15 20 23 21
RH               66 61 59 62 72 78 85 78 78 78 78 78 81 85 85 84 81 81 81 78 81
Wind dir          W  W SW  W  W NW  W  W  W  W  W NW NW  W  W  W  W  W  W NW NW
Wind spd         33 29 17 19 21 24 21 21 20 21 21 21 18 19 18 16 12 13 16 17 13
Wind gust        57 44    29 34 35 32 32 31 32 32 32    29             26
Clouds           B2 OV B2 B1 B2 B2 OV B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                      5          80          30          50          30
QPF 12hr                      0        0.05           0        0.05           0
Snow 12hr                 00-00           T       00-00
Snow                          L  L  C  C  S  S  C  C  C  C  C  C  C  C  C  C
Obvis                                                   BS BS
High Wind         W  W  W


Date               Mon 01/13/25  Tue 01/14/25  Wed 01/15/25  Thu 01/16/25
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    29      18    33      21    35      18    34
Temp          22   16 23 25 22   19 27 29 26   23 30 30 24   21 28 28
Dewpt         17   11 16 18 15   12 20 21 18   15 23 23 16   14 19 20
PWind dir           W     W       W     W       W     W       W     W
Wind char          GN    BZ      WY    BZ      BZ    BZ      GN    BZ
Avg clouds    B2   B1 SC FW SC   SC SC SC FW   SC FW FW FW   FW SC SC
PoP 12hr           10     0       0     0       0     0       0     0

$$
MTZ319-102300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
219 AM MST Fri Jan 10 2025

Date                Fri 01/10/25            Sat 01/11/25            Sun 01/12/25
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          28          36          22          31
Temp             16 21 27 36 37 35 34 34 31 30 33 34 33 31 30 29 24 23 27 31 29
Dewpt            10 15 19 24 27 26 25 23 23 22 24 24 23 22 21 20 18 17 20 20 20
RH               77 77 71 61 67 69 69 64 72 72 69 66 66 69 69 69 77 77 74 63 69
Wind dir          S SE SE  E SW  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W
Wind spd          6  6  6  9 10 12 14 14 12 11 13 13 11 10  9  6  5  4  5  6  5
Wind gust                       25 31 31 26 26 26 25
Clouds           SC B2 B2 B2 B1 B1 B2 OV OV OV OV OV OV OV OV B2 B2 OV B2 B2 B2
PoP 12hr                      5          80          50          50          40
QPF 12hr                      0        0.03        0.01        0.02           0
Snow 12hr                 00-00           T           T
Rain                          C  C
Snow                             C  L  D  C  C  C  C  C  C  C  C  C  C  C  C  C
Obvis             F PF


Date               Mon 01/13/25  Tue 01/14/25  Wed 01/15/25  Thu 01/16/25
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    30      15    32      16    38      18    39
Temp          23   18 24 28 22   16 24 29 22   16 29 34 25   19 30 35
Dewpt         16   13 16 16 13   10 17 19 14   11 21 23 17   12 21 23
PWind dir           W    SW      SW     S       S     S       S     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B2 SC SC SC   SC SC FW FW   FW FW FW FW   FW FW FW
PoP 12hr           30     5       0     0       0     0       0     0
Snow           C    S

$$
MTZ326-102300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
219 AM MST Fri Jan 10 2025

Date                Fri 01/10/25            Sat 01/11/25            Sun 01/12/25
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                      37          23          34          17          28
Temp              6 11 24 32 33 31 30 28 26 26 30 32 29 26 25 23 21 18 25 28 26
Dewpt             3  7 16 23 26 26 25 23 23 23 24 24 24 23 21 20 18 15 21 20 20
RH               87 83 71 69 75 81 81 81 88 88 78 72 81 88 84 88 88 88 84 71 78
Wind dir          S  S  S SW SW  W  W  W  W  W  W  W  W  W  W  W  W SW  W  W  W
Wind spd          5  5  3  6 10 11 10 10  8  6  6  8  6  5  5  4  3  3  3  4  3
Wind gust                       21 23
Clouds           B1 B1 B1 OV OV OV B2 OV OV OV B2 OV OV OV OV B2 OV OV B2 B2 OV
PoP 12hr                      5          90          70          60          40
QPF 12hr                      0        0.04        0.03        0.02           0
Snow 12hr                 00-00           T           T
Rain                          C
Snow                          C  C  L  D  L  L  C  C  L  L  L  L  C  C  S  S  S
Obvis             F PF
Wind chill       -4
Min chill        -8    -3
Winter Weath                           Y  Y  Y  Y  Y  Y  Y  Y  Y


Date               Mon 01/13/25  Tue 01/14/25  Wed 01/15/25  Thu 01/16/25
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    28       9    31      12    37      15    38
Temp          20   12 22 24 15   10 23 27 18   13 29 32 21   16 30 33
Dewpt         17   10 17 15 10    6 15 18 12    8 19 21 14   10 21 22
PWind dir           W    SW       S     S      SE     S      SE     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    OV   B2 B1 SC SC   SC SC SC FW   FW FW FW FW   FW FW FW
PoP 12hr           20     5       0     0       0     0       0     0
Snow           S    S

$$
MTZ330-102300-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
219 AM MST Fri Jan 10 2025

Date                Fri 01/10/25            Sat 01/11/25            Sun 01/12/25
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                      22           8          25           2          21
Temp              2  4 15 21 20 18 17 14 11 10 21 24 20 14 10  7  4  3 15 21 18
Dewpt            -1  2 11 14 14 15 14 11  7  7 14 14 14 11  7  5  1  1 10 12 12
RH               87 91 84 74 77 88 88 88 83 87 74 65 77 88 87 91 87 91 80 68 77
Wind dir          S  S SW SW SW SW SW SW SW  W  W  W  W  W  W NW  N  N  W  W SW
Wind spd          2  3  4 11 11 10  6  5  5  3  5  6  4  3  1  1  0  0  1  3  2
Wind gust                 24 27 26 19
Clouds           B2 OV B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B1
PoP 12hr                     50          90          70          40          30
QPF 12hr                   0.01        0.09        0.02        0.01           0
Snow 12hr                     T           1           T
Snow                       S  L  D  L  L  L  L  L  L  C  C  C  C  C  C  C  C  S
Obvis             F  F
Wind chill          -3
Min chill        -1    -5
Winter Weath                  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date               Mon 01/13/25  Tue 01/14/25  Wed 01/15/25  Thu 01/16/25
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            -1    21      -4    25      -1    32       5    33
Temp           6   -1 13 16  3   -3 14 19  6    0 20 27 10    5 23 27
Dewpt          4   -4  8 10  0   -6  8 12  2   -4 12 17  5    1 14 18
PWind dir          SW    SW      SW     S       S     S      SE    SE
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   B1 B2 B1 SC   B1 B1 SC FW   FW SC FW CL   FW FW CL
PoP 12hr           20     5       0     0       0     0       0     0
Snow           S

$$
MTZ328-102300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
219 AM MST Fri Jan 10 2025

Date                Fri 01/10/25            Sat 01/11/25            Sun 01/12/25
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                      36          20          32          12          27
Temp             10 15 27 35 32 28 26 25 23 22 29 31 27 22 19 16 14 12 22 27 23
Dewpt             4  7 16 23 23 22 19 17 17 16 20 19 19 16 14 11  9  8 14 16 15
RH               76 70 63 61 69 78 74 71 77 77 69 61 71 77 80 80 80 84 71 63 71
Wind dir          S  S  S SW  S SW SW SW SW SW  W  W  W SW SW SW SW  S SW  W SW
Wind spd          8  9 10 14 14 14 13 13 12 10 10 11  8  8  6  5  5  5  4  4  3
Clouds           SC B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 B1 B1
PoP 12hr                      5          50          10           5           0
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                          C  C  C  C
Wind chill       -2
Min chill        -3


Date               Mon 01/13/25  Tue 01/14/25  Wed 01/15/25  Thu 01/16/25
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    26       7    31      13    36      15    36
Temp          14    8 18 21 12    8 22 25 16   14 28 31 20   17 28 31
Dewpt          9    3 11 12  5    1 11 14  8    5 16 18 10    8 16 19
PWind dir          SW    SW       S     S       S     S       S     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC FW FW   FW FW FW FW   FW FW FW FW   FW FW FW
PoP 12hr            0     0       0     0       0     0       0     0

$$
MTZ305-102300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
219 AM MST Fri Jan 10 2025

Date                Fri 01/10/25            Sat 01/11/25            Sun 01/12/25
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                      42          27          36          19          28
Temp             21 25 35 41 40 35 34 33 31 29 34 35 33 29 29 26 23 20 24 27 25
Dewpt            15 18 26 30 32 31 32 30 26 26 30 30 30 27 27 23 20 18 21 22 22
RH               77 74 69 65 73 85 92 89 81 88 85 82 89 92 92 88 88 92 88 81 88
Wind dir         SW SW SW SW  W  W  W  W  W  W  W NW NW NW NW NW NW NW NW NW  W
Wind spd         13 16 19 21 21 18 17 17 17 18 20 21 18 17 13 11  8  5  6  9  9
Wind gust              29 34 32 29    27 27 29 31 32
Clouds           SC B1 SC B2 B2 OV OV B2 B2 OV B2 OV OV OV OV OV OV OV B2 B2 OV
PoP 12hr                     10          80          50          60          50
QPF 12hr                      0        0.09        0.04        0.08        0.08
Snow 12hr                 00-00       00-00           T
Rain                          L  D  C
Snow                             D  C  C  C  C  C  C  L  L  C  C  C  C  C  C  C


Date               Mon 01/13/25  Tue 01/14/25  Wed 01/15/25  Thu 01/16/25
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    29      15    32      18    33      15    31
Temp          22   18 24 25 20   18 26 29 24   20 27 29 23   20 26 28
Dewpt         19   14 19 20 16   12 20 23 19   14 20 23 18   14 19 22
PWind dir           W    SW      SW    SW      SW    SW      SW    SW
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    OV   B2 B1 FW SC   SC SC SC SC   SC SC FW FW   FW SC FW
PoP 12hr           30     5       0     0       0     0       0     0
Snow           C    S

$$
MTZ314-102300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
219 AM MST Fri Jan 10 2025

Date                Fri 01/10/25            Sat 01/11/25            Sun 01/12/25
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          25          31          21          28
Temp             15 24 35 41 40 36 33 30 28 27 29 29 28 27 26 26 24 22 25 28 25
Dewpt             6 13 23 30 29 29 28 27 25 24 27 26 25 25 24 23 22 19 23 22 22
RH               67 62 61 65 64 75 82 88 88 88 92 88 88 92 92 88 92 88 92 78 88
Wind dir          S SW SW SW  W  W  W NW NW  W NW NW NW NW NW NW NW NW NW NW NW
Wind spd          9 10 10 13 16 20 21 21 19 21 24 24 21 21 19 17 13 11 12 13 13
Wind gust              20 24 27 34 36 35 34 35 36 36 36 35 32 29 26 23 23 25 24
Clouds           FW SC B1 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV
PoP 12hr                     10          80          70          90          80
QPF 12hr                      0        0.15        0.17        0.21        0.22
Snow 12hr                 00-00           2           3
Rain                          S  S
Snow                                D  D  L  L  L  L  L  L  D  D  D  D  D  D  L
Obvis                              BS BS BS BS BS BS BS BS BS BS
Winter Weath                           Y  Y  Y  Y  Y  Y  Y  Y  Y     Y  Y  Y  Y


Date               Mon 01/13/25  Tue 01/14/25  Wed 01/15/25  Thu 01/16/25
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            18    31      17    38      23    41      21    40
Temp          23   20 27 26 23   20 33 32 28   24 37 33 27   22 36 34
Dewpt         21   16 20 17 14   11 22 22 17   14 25 23 17   14 24 23
PWind dir          NW     W       W     W      SW    SW      SW    SW
Wind char          GN    GN      GN    GN      LT    LT      LT    LT
Avg clouds    OV   OV B2 SC SC   SC SC SC SC   SC SC FW FW   FW FW FW
PoP 12hr           70    10       5     5       0     0       0     0
Snow           L    L

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