Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
258 AM MST Fri Nov 21 2025

MTZ312-212300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
258 AM MST Fri Nov 21 2025

Date                Fri 11/21/25            Sat 11/22/25            Sun 11/23/25
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                      53          36          54          36          57
Temp             37 38 49 53 48 43 42 41 39 39 50 54 48 43 40 40 38 40 50 57 52
Dewpt            29 32 30 28 27 26 26 25 25 25 26 24 25 22 22 23 20 23 24 24 25
RH               72 79 48 38 44 51 53 52 57 57 39 31 40 43 48 50 48 50 36 28 35
Wind dir         SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind spd         16 18 21 23 17 19 16 16 16 16 18 18 13 13 13 14 16 14 16 16 12
Clouds           SC FW FW FW SC SC SC SC B1 SC SC SC SC SC B1 B1 B1 B2 B1 B1 B2
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Mon 11/24/25  Tue 11/25/25  Wed 11/26/25  Thu 11/27/25
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            35    43      21    35      18    34      20    37
Temp          44   40 40 35 29   24 31 29 23   22 31 31 29   27 33 32
Dewpt         25   21 18 19 19   15 16 14 14   12 20 21 19   18 23 21
PWind dir          SW     W      NW     W      SW    SW       S    SW
Wind char          GN    BZ      GN    LT      LT    LT      LT    LT
Avg clouds    B1   B1 B1 B1 B1   B2 B1 SC B1   B1 B1 B1 B2   B2 B2 B1
PoP 12hr            5    30      40    10      10    20      30    20
Rain                   C
Snow                   C  S  C    S                S  S  S    C  S

$$
MTZ303-212300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
258 AM MST Fri Nov 21 2025

Date                Fri 11/21/25            Sat 11/22/25            Sun 11/23/25
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                      49          33          50          34          53
Temp             33 34 45 48 44 39 39 37 36 36 48 50 46 42 39 39 36 37 48 52 47
Dewpt            24 25 27 26 27 26 26 27 25 26 28 28 26 23 23 23 21 22 27 27 28
RH               69 69 49 42 51 59 59 67 64 67 46 42 45 46 52 52 54 54 44 38 47
Wind dir          W  W  W  W  W  W  W  W  W  W  W  W  W  W SW SW SW SW SW SW SW
Wind spd         16 19 26 27 23 24 20 18 18 18 21 21 16 14 13 13 13 13 16 17 12
Wind gust        26 29 36 39 33 34 31          33 34                   26 28
Clouds           SC SC SC B1 B1 B1 B1 B1 SC SC SC B1 B1 B1 B2 B2 B2 OV B2 B1 B2
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Mon 11/24/25  Tue 11/25/25  Wed 11/26/25  Thu 11/27/25
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            29    36      17    32      13    31      14    31
Temp          39   33 34 28 24   20 28 25 18   17 27 27 23   21 26 26
Dewpt         27   23 22 19 17   13 16 16 13   12 17 20 18   16 19 20
PWind dir          SW     W      NW    NW       W    SW       S     W
Wind char          GN    BZ      GN    GN      LT    LT      LT    LT
Avg clouds    B1   SC B1 B1 B2   B1 B1 SC B1   B1 B2 B1 B2   B2 B2 B1
PoP 12hr           20    40      30    10       5    10      20    10
Rain                S  C
Snow                S  C  C  C                           S    S

$$
MTZ319-212300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
258 AM MST Fri Nov 21 2025

Date                Fri 11/21/25            Sat 11/22/25            Sun 11/23/25
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                      49          29          51          28          51
Temp             27 29 38 46 45 40 38 35 31 29 41 50 45 39 36 34 30 29 41 50 46
Dewpt            27 28 29 29 28 27 26 25 24 24 29 29 27 25 24 24 23 23 27 27 26
RH              100 96 70 51 51 59 62 66 75 81 62 44 49 57 61 66 75 78 57 41 45
Wind dir         SW SW SW  W SW SW  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd          5  5  8 11 10 10  9  6  5  5  4  5  5  8  8  6  5  5  2  4  5
Clouds           SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Mon 11/24/25  Tue 11/25/25  Wed 11/26/25  Thu 11/27/25
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            29    39      21    34      18    35      23    40
Temp          40   34 35 35 31   24 29 30 24   20 28 35 31   26 34 37
Dewpt         24   24 20 17 17   15 16 14 13   14 19 21 22   22 27 26
PWind dir          SW     W       W     W      SW    SW      SW    SW
Wind char          LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B1   SC B1 SC B1   B1 B1 B1 B1   B1 B2 B1 B2   B2 B2 B1
PoP 12hr           10    40      30    20      10    30      40    30
Rain                   C                                            S
Snow                   C  S  C    C  S             S  C  C    C  C  S

$$
MTZ326-212300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
258 AM MST Fri Nov 21 2025

Date                Fri 11/21/25            Sat 11/22/25            Sun 11/23/25
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                      49          24          51          26          52
Temp             22 23 37 46 43 34 30 29 27 26 40 50 46 37 31 30 28 28 43 51 45
Dewpt            22 23 28 28 28 26 25 25 23 23 29 28 28 27 25 24 23 23 27 26 25
RH              100100 70 49 55 72 81 85 85 88 64 42 49 67 78 78 81 81 53 37 45
Wind dir          S  S NW NW SE  S  S  S SE  S SW  W  S  S  S  S  S  S SW SW  S
Wind spd          3  3  3  5  6  6  5  5  4  5  2  3  3  5  5  5  4  4  1  2  2
Clouds           SC SC FW FW FW SC SC SC B1 SC SC SC SC SC FW SC FW FW FW FW 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+
Dense Fog         Y  Y


Date               Mon 11/24/25  Tue 11/25/25  Wed 11/26/25  Thu 11/27/25
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            25    41      17    33      16    36      20    40
Temp          33   30 37 35 26   21 28 29 21   20 31 35 29   25 34 37
Dewpt         24   22 19 12 14   12 14 11 12   12 19 19 22   20 26 23
PWind dir           S     W       W     W      SE     S       S    SW
Wind char          LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    SC   SC B1 SC SC   B1 B1 B1 B1   B1 B2 B2 B2   B2 B2 B2
PoP 12hr            5    40      20    10      10    30      40    30
Rain                   C                                            S
Snow                   C  S  S    S                S  C  S    C  C  S

$$
MTZ330-212300-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
258 AM MST Fri Nov 21 2025

Date                Fri 11/21/25            Sat 11/22/25            Sun 11/23/25
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          21          41          16          43
Temp             20 21 37 44 39 31 28 26 24 24 34 41 37 27 24 20 18 19 34 42 36
Dewpt            20 21 28 26 30 29 27 26 24 24 30 27 27 24 22 20 17 18 24 23 24
RH              100100 70 49 70 92 96100100100 85 57 67 88 92100 96 96 66 46 61
Wind dir          N SE SW SW SW  S  S  S  S  S  S SW SW  S  S  S  S  N  S SW SW
Wind spd          2  1  3  6  5  4  3  2  2  2  2  5  3  3  2  1  1  0  2  5  4
Clouds           FW SC FW FW FW SC SC B1 B2 B2 SC SC SC SC FW FW FW SC FW FW FW
PoP 12hr                      0           0           5           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Obvis             F  F


Date               Mon 11/24/25  Tue 11/25/25  Wed 11/26/25  Thu 11/27/25
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    34       9    28      10    30      16    33
Temp          25   21 30 29 17   10 23 24 15   12 25 28 21   18 29 31
Dewpt         22   19 18  8  8    6 10  8 10    9 17 17 17   17 23 23
PWind dir           S    SW       W    SW      SW    SW      SW    SW
Wind char          LT    GN      LT    LT      LT    LT      LT    LT
Avg clouds    FW   B1 B2 B2 B1   SC B1 B1 B1   B1 B2 B2 B2   B2 OV B2
PoP 12hr            5    60      30    20      20    40      50    50
Snow                   L  L  C    S  S  S       S  C  C  C    C  C  C

$$
MTZ328-212300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
258 AM MST Fri Nov 21 2025

Date                Fri 11/21/25            Sat 11/22/25            Sun 11/23/25
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                      49          24          48          25          49
Temp             26 25 39 47 42 32 29 27 26 24 40 48 42 32 30 28 27 25 41 48 42
Dewpt            25 25 30 29 28 24 23 22 21 21 27 27 26 25 23 21 21 21 26 24 24
RH               96100 70 49 57 72 78 81 81 88 59 44 53 75 75 75 78 84 55 39 48
Wind dir         SW  S SW SW  W  S  S  S  S  S  S SW  S  S  S  S  S  S  S SW  S
Wind spd          6  8  6  6  6  9  8  8  8  8  5  5  5  6  9  9  8  8  4  4  5
Clouds           FW FW FW FW FW SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW SC
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Mon 11/24/25  Tue 11/25/25  Wed 11/26/25  Thu 11/27/25
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            25    39      15    32      15    36      21    42
Temp          33   29 36 31 21   18 27 27 19   18 30 33 27   25 37 37
Dewpt         22   20 14 11  9    9 11  9  8    9 15 17 18   18 25 25
PWind dir           S    SW      SW    SW       S     S       S    SW
Wind char          GN    GN      GN    LT      LT    LT      LT    LT
Avg clouds    SC   SC SC SC SC   SC B1 SC B1   B1 B1 B1 B2   B2 B2 B1
PoP 12hr            5    20       5     0       5    20      20    10
Snow                   S                              S  S    S

$$
MTZ305-212300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
258 AM MST Fri Nov 21 2025

Date                Fri 11/21/25            Sat 11/22/25            Sun 11/23/25
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                      51          29          53          29          57
Temp             25 26 42 51 47 40 37 35 33 33 47 53 48 40 37 34 33 35 50 56 50
Dewpt            23 24 30 32 30 27 27 27 25 26 29 29 29 27 25 24 22 23 28 29 30
RH               92 92 62 48 51 59 67 72 72 75 49 39 47 59 61 66 63 61 42 35 46
Wind dir         SW SW SW SW SW  W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind spd         12 13 17 18 14 17 13 13 12 12 13 13 11 10 10 10 11 12 13 14 10
Clouds           SC SC SC B1 B1 SC SC B1 B1 SC SC SC SC SC B1 SC B1 B1 SC SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Mon 11/24/25  Tue 11/25/25  Wed 11/26/25  Thu 11/27/25
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            30    42      17    30      11    30      12    29
Temp          38   35 38 32 24   21 26 26 16   15 26 27 20   18 25 25
Dewpt         27   26 28 24 20   17 19 17 14   12 17 18 19   14 19 20
PWind dir          SW     W      NW    NW       W     W       E    NE
Wind char          GN    BZ      BZ    GN      LT    LT      LT    LT
Avg clouds    B1   B1 B1 B2 B2   B2 B1 SC B1   B1 B2 B1 B2   B2 B2 B2
PoP 12hr           10    50      40    10       5    10      20    20
Rain                   C  C
Snow                      C  C    S                           S  S

$$
MTZ314-212300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
258 AM MST Fri Nov 21 2025

Date                Fri 11/21/25            Sat 11/22/25            Sun 11/23/25
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                      54          30          55          32          59
Temp             30 32 49 54 47 39 37 36 33 34 49 55 47 39 37 37 35 37 54 58 50
Dewpt            26 25 28 27 26 23 22 21 21 21 26 26 26 24 22 22 21 22 25 24 27
RH               85 75 44 35 43 52 54 54 61 58 40 32 43 54 54 54 56 54 32 27 41
Wind dir         SW SW  W  W  W SW SW SW SW SW  W  W SW SW  S  S  S SW SW  W SW
Wind spd          9  9 10 11  8 10  8  6  6  6  6  9  6  6  6  6  6  6  5  8  5
Clouds           SC FW FW FW SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC B1
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Mon 11/24/25  Tue 11/25/25  Wed 11/26/25  Thu 11/27/25
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            31    41      17    31      13    33      16    36
Temp          40   36 39 32 25   22 28 26 19   18 31 29 26   23 33 30
Dewpt         25   23 18 18 18   15 14 13 12   10 17 20 21   19 24 24
PWind dir          SW     W       W     W       W    SW      SW    SW
Wind char          LT    BZ      BZ    GN      LT    LT      LT    LT
Avg clouds    B1   SC B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B2   B2 B2 B2
PoP 12hr            5    30      40    10      10    20      40    30
Rain                   C
Snow                   C  C  C    S                S  S  S    C  C  S

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