Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
150 PM MST Wed Nov 19 2025

MTZ312-201100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
150 PM MST Wed Nov 19 2025

Date          Wed 11/19/25      Thu 11/20/25            Fri 11/21/25         Sat
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          52          31          53          37
Temp          42 38 33 30 29 28 29 41 50 46 38 35 34 34 36 48 52 46 42 42 40 39
Dewpt         29 29 27 25 24 24 25 30 31 32 29 28 27 26 27 29 27 26 26 26 25 23
RH            60 70 78 81 81 85 85 65 48 58 70 75 75 72 69 47 38 45 53 53 55 52
Wind dir       W SE SE SE  S  S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind spd       3  2  3  3  3  3  3  4  5  5  6 10 11 13 14 18 19 16 18 19 20 20
Clouds        B1 FW FW SC SC SC SC FW CL FW FW FW FW FW FW FW FW SC SC SC SC B1
PoP 12hr                      5           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           11/22/25  Sun 11/23/25  Mon 11/24/25  Tue 11/25/25  Wed 11/26/25
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          54      39    52      39    52      26    34      16    31
Temp          49 48 44   43 49 47 43   41 49 44 34   28 32 29 23   19 27 26
Dewpt         27 27 28   25 28 27 25   21 24 20 22   18 18 15 14   12 14 12
PWind dir        SW      SW    SW      SW    SW       W     W      NW     W
Wind char        BZ      BZ    BZ      GN    BZ      GN    GN      LT    LT
Avg clouds    B1 SC B1   B1 B2 B1 B2   B2 B1 B1 B1   B1 B2 B1 B1   B1 B1 SC
PoP 12hr          5      10    20      10    30      30    30      20    10
Rain                         S             S  C  C    C
Snow                                       S  C  C    C  C  S  S

$$
MTZ303-201100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
150 PM MST Wed Nov 19 2025

Date          Wed 11/19/25      Thu 11/20/25            Fri 11/21/25         Sat
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          49          27          49          33
Temp          43 38 30 27 25 23 23 38 48 41 34 32 32 31 32 44 48 42 38 38 37 35
Dewpt         21 21 20 21 20 20 20 28 29 29 27 26 25 24 25 27 27 27 25 26 25 23
RH            41 50 66 78 81 88 88 67 47 62 75 78 75 75 75 51 44 55 59 62 61 61
Wind dir      NW SE SE SE  S  S SW SW SW SW SW SW  W  W  W  W  W  W  W  W  W  W
Wind spd       4  4  4  5  4  3  3  5  8  8 10 11 12 13 13 19 23 19 21 21 21 20
Wind gust                                               24 31 35 32 34 35 34 34
Clouds        FW FW FW FW FW SC SC FW CL FW FW FW FW SC SC FW SC SC SC SC SC SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                     PF PF PF


Date           11/22/25  Sun 11/23/25  Mon 11/24/25  Tue 11/25/25  Wed 11/26/25
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          50      31    47      31    46      19    32      13    30
Temp          46 43 37   34 44 41 36   34 44 34 26   22 28 26 18   15 25 24
Dewpt         28 29 27   25 29 29 26   24 27 22 19   17 17 17 13   10 13 14
PWind dir         W       W     W      SW    SW      NW    NW      NW    NW
Wind char        BZ      GN    GN      GN    BZ      BZ    GN      LT    LT
Avg clouds    B1 SC B1   B2 B2 B1 B2   B2 B1 B1 B1   B2 B2 B1 B1   B1 B1 B1
PoP 12hr         10      20    10      20    40      40    20      20     5
Rain                      S             S  S  C  C
Snow                                    S  S  C  C    S     S  S

$$
MTZ319-201100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
150 PM MST Wed Nov 19 2025

Date          Wed 11/19/25      Thu 11/20/25            Fri 11/21/25         Sat
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                      27          48          26          50          30
Temp          41 39 36 34 32 29 30 38 46 44 38 35 33 28 29 41 50 46 41 38 36 32
Dewpt         27 29 29 28 28 27 28 33 34 33 29 29 26 25 26 31 31 30 28 28 26 24
RH            57 67 75 78 85 92 92 82 63 65 70 78 75 88 88 67 48 53 59 67 67 72
Wind dir      NW  S SW  W SW SW  W NW NE  W SW SW SW  S SW SW  W SW SW SW SW SW
Wind spd       2  2  2  2  2  2  2  2  2  2  5  5  5  4  4  4  6  8 10 10  8  6
Clouds        B1 B1 SC SC SC SC SC FW FW FW FW FW FW SC SC FW FW FW SC SC SC B1
PoP 12hr                     20           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain           C  S
Obvis                     PF PF PF


Date           11/22/25  Sun 11/23/25  Mon 11/24/25  Tue 11/25/25  Wed 11/26/25
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          53      32    52      33    52      26    37      17    34
Temp          44 49 41   34 44 48 41   35 46 45 36   29 30 33 26   20 27 30
Dewpt         32 30 29   26 29 28 27   23 26 21 21   20 19 16 17   14 16 14
PWind dir        SW      SW    SW      SW    SW       W    NW      NW    NW
Wind char        LT      GN    LT      LT    GN      GN    LT      LT    LT
Avg clouds    B1 SC B1   B1 B2 B1 B2   B1 B1 B1 B1   B1 B1 B1 B1   B1 B1 SC
PoP 12hr          5      10    20      10    40      40    30      20    20
Rain                         S             C  C  C    C
Snow                                          C  C    C  C  C  S       S  S

$$
MTZ326-201100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
150 PM MST Wed Nov 19 2025

Date          Wed 11/19/25      Thu 11/20/25            Fri 11/21/25         Sat
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                      24          49          24          51          26
Temp          46 43 37 32 30 27 29 39 49 46 37 31 29 26 27 41 51 47 39 33 31 28
Dewpt         37 35 34 32 30 27 28 33 34 34 32 30 27 25 25 32 32 31 29 28 26 24
RH            71 73 89100100100 96 79 56 63 82 96 92 96 92 70 48 53 67 82 81 85
Wind dir      NW NW SW  S  S  S  S  N NW  W SE  S  S  S  S SW  W SW SW  S  S  S
Wind spd       2  2  2  4  3  2  2  0  1  1  3  2  2  2  3  2  4  5  8  6  5  5
Clouds        B1 B1 SC FW SC SC B1 SC FW FW FW FW FW FW SC FW FW FW SC SC SC B1
PoP 12hr                     10           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain           S
Obvis                  PF PF PF PF


Date           11/22/25  Sun 11/23/25  Mon 11/24/25  Tue 11/25/25  Wed 11/26/25
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          51      27    51      29    53      23    39      14    34
Temp          43 47 34   30 43 46 35   30 46 47 32   26 33 34 22   17 28 30
Dewpt         30 28 26   24 27 25 24   22 27 24 20   18 19 16 14   12 15 12
PWind dir        SW       S    SW       S    SW       W     W       W     W
Wind char        LT      GN    LT      LT    GN      GN    LT      LT    LT
Avg clouds    B1 SC B1   B1 B1 B1 B1   B2 B2 B1 B1   B1 B1 SC B1   B1 B1 SC
PoP 12hr          5       5    10       5    30      30    20      10    20
Rain                                       S  C  C    C
Snow                                       S  C  C    C  S  S          S

$$
MTZ330-201100-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
150 PM MST Wed Nov 19 2025

Date          Wed 11/19/25      Thu 11/20/25            Fri 11/21/25         Sat
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          45          17          44          23
Temp          42 39 33 31 29 28 29 39 45 41 31 25 22 19 20 36 43 40 31 28 26 24
Dewpt         30 31 31 30 29 28 29 33 31 30 27 24 22 19 20 28 27 29 27 26 25 23
RH            62 73 92 96100100100 79 58 65 85 96100100100 72 53 64 85 92 96 96
Wind dir      SW  S  S  S  N  N  N SE  W NW NE  E  N  N  N SW SW SW SW SW SW SW
Wind spd       5  2  1  1  0  0  0  1  2  1  1  1  0  0  0  2  5  5  5  5  3  2
Clouds        B2 B1 SC B1 B2 B2 OV B1 FW FW FW FW FW FW SC FW FW FW SC B1 B1 B2
PoP 12hr                     20           5           0           5           5
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain           S
Obvis               PF PF  F  F  F


Date           11/22/25  Sun 11/23/25  Mon 11/24/25  Tue 11/25/25  Wed 11/26/25
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          39      20    41      19    40      16    34       8    30
Temp          34 36 25   21 35 37 25   20 35 37 26   19 30 30 17    9 25 27
Dewpt         28 26 23   21 26 24 21   19 27 25 20   15 16 15 13    7 15 12
PWind dir        SW       S     S       S    SW      SW     W       W    SW
Wind char        LT      LT    LT      LT    GN      GN    LT      LT    LT
Avg clouds    OV B1 B1   B1 B2 B1 B1   B1 B2 B1 B1   B1 B2 B1 SC   B1 B1 SC
PoP 12hr         10       5    10      10    30      30    40      20    30
Snow                                       S  C  C    C  C  C  S    S  S  C

$$
MTZ328-201100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
150 PM MST Wed Nov 19 2025

Date          Wed 11/19/25      Thu 11/20/25            Fri 11/21/25         Sat
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          46          25          49          25
Temp          48 43 37 33 31 29 28 37 45 41 33 30 29 28 27 41 49 43 33 31 28 26
Dewpt         33 37 35 32 29 27 27 32 32 33 29 27 26 25 24 30 29 28 25 24 22 21
RH            56 79 92 96 92 92 96 82 60 73 85 88 88 88 88 65 46 55 72 75 78 81
Wind dir      NE NE  E  S  S  S  S NW NE  E  S  S  S  S SW SW SW SW SW  S  S  S
Wind spd       3  4  4  5  5  5  4  2  2  2  3  4  4  5  5  3  5  5  6  8  8  9
Clouds        B1 B1 SC SC SC B1 B1 SC FW FW FW FW FW FW SC FW FW FW FW SC SC B1
PoP 12hr                     10           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain           S
Obvis                           PF


Date           11/22/25  Sun 11/23/25  Mon 11/24/25  Tue 11/25/25  Wed 11/26/25
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          48      26    49      29    50      21    37      13    33
Temp          40 41 31   28 42 43 34   30 43 42 29   23 33 31 19   15 27 28
Dewpt         27 26 24   23 27 26 24   22 26 22 16   14 16 12  9    6 10 10
PWind dir         S       S     S       S     S      SW     W      SW    SW
Wind char        GN      GN    GN      GN    GN      GN    GN      LT    LT
Avg clouds    SC SC SC   B1 B1 B1 B1   B1 B1 SC SC   SC B1 SC SC   SC SC SC
PoP 12hr          0       0     0       5    20      10    10      10     5
Rain                                          S
Snow                                          S

$$
MTZ305-201100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
150 PM MST Wed Nov 19 2025

Date          Wed 11/19/25      Thu 11/20/25            Fri 11/21/25         Sat
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                      20          45          24          53          29
Temp          43 38 29 26 24 22 22 35 43 39 32 30 29 28 30 46 53 48 40 38 35 31
Dewpt         30 28 25 22 21 19 20 25 28 30 27 26 26 25 26 33 33 32 30 28 26 23
RH            60 67 85 85 88 88 92 66 55 70 81 85 88 88 85 60 46 54 67 67 69 72
Wind dir       W  W  S SE  E  E NE  W NE  E  S SW SW SW SW SW SW  W SW SW SW SW
Wind spd      11  2  2  2  2  2  2  1  2  3  4  5  9 10 11 14 16 13 14 13 13 13
Clouds        B1 FW FW FW FW SC SC FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis                  PF PF PF PF


Date           11/22/25  Sun 11/23/25  Mon 11/24/25  Tue 11/25/25  Wed 11/26/25
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          54      28    49      27    51      21    36      11    31
Temp          47 47 35   32 44 43 33   30 46 42 28   24 31 30 18   12 26 25
Dewpt         31 30 28   26 29 30 26   22 28 25 20   19 21 19 14    9 14 14
PWind dir        SW      SW     W      SW    SW      NW     W      NW     W
Wind char        BZ      GN    GN      LT    GN      GN    GN      GN    LT
Avg clouds    SC SC SC   B1 B2 B1 B2   B2 OV B1 B1   B2 B2 B1 B1   B1 B1 B1
PoP 12hr          5      20    20      20    30      30    20      10    10
Rain                      S  S          S  C  C  C
Snow                                    S  C  C  C    S  S  S

$$
MTZ314-201100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
150 PM MST Wed Nov 19 2025

Date          Wed 11/19/25      Thu 11/20/25            Fri 11/21/25         Sat
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                      24          52          29          55          31
Temp          41 37 32 29 29 28 30 47 52 45 37 35 34 32 33 50 54 47 39 36 35 33
Dewpt         27 27 28 27 26 26 27 32 32 33 30 28 27 25 26 28 27 28 24 23 21 20
RH            57 67 85 92 88 92 88 56 46 62 75 75 75 75 75 42 35 47 54 59 56 58
Wind dir      NW NW SE SE SE SE  S  W NW  E  S  S  S  S SW  W  W  W SW SW SW SW
Wind spd       8  2  3  5  5  5  5  2  3  2  5  5  5  6  6  6 10  6 10  9  9  9
Clouds        B1 B2 SC SC FW FW FW FW CL FW FW CL FW FW FW FW FW FW SC SC SC B1
PoP 12hr                     10           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain           S
Snow           S


Date           11/22/25  Sun 11/23/25  Mon 11/24/25  Tue 11/25/25  Wed 11/26/25
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          54      32    50      32    52      21    32      13    29
Temp          50 47 38   37 48 44 37   35 50 44 30   24 29 27 20   17 26 22
Dewpt         26 28 26   26 26 26 24   21 23 21 19   17 17 16 15   11 12 10
PWind dir         W       W     W      SW    SW       W    NW       W     W
Wind char        GN      GN    GN      LT    GN      GN    GN      LT    LT
Avg clouds    B1 SC SC   B1 B1 B1 B1   B2 B2 B1 B1   B2 B2 B2 B1   B1 B2 B1
PoP 12hr          5      10    20      10    20      30    30      20    20
Rain                         S             S  S  C
Snow                                       S  S  C    C  C  S  S    S  S

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