Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
248 PM MST Thu Nov 13 2025

MTZ312-141100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
248 PM MST Thu Nov 13 2025

Date          Thu 11/13/25      Fri 11/14/25            Sat 11/15/25         Sun
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                      52          59          43          58          36
Temp             64 59 59 57 57 54 57 57 51 47 46 45 45 46 54 57 52 46 44 43 39
Dewpt            33 32 35 36 38 39 39 35 32 32 31 31 31 32 33 34 34 34 34 34 31
RH               31 36 40 45 49 57 51 43 48 56 55 58 58 58 45 42 50 63 68 70 73
Wind dir         SW SW SW SW SW SW  W  W  W  W  W SW SW SW SW  W SW SW SW SW  S
Wind spd         17 23 26 29 32 31 32 27 20 19 14 18 20 21 23 20 13 11 10  8  6
Wind gust        31 36 42 43 43 42    40 33 32             33 31
Clouds           SC SC SC B1 B2 OV B2 B2 OV B2 B2 B2 B2 B1 SC SC SC SC SC SC SC
PoP 12hr                     10          30          10           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                             S  C  C


Date           11/16/25  Mon 11/17/25  Tue 11/18/25  Wed 11/19/25  Thu 11/20/25
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      36    49      32    42      27    42      26    40
Temp          50 48 42   39 45 44 37   34 39 38 32   29 37 36 31   29 37 35
Dewpt         34 35 34   32 35 32 30   26 27 25 23   22 25 23 22   21 25 24
PWind dir         S      SW    SW       W     W      SW    SW      SW    SW
Wind char        LT      LT    LT      GN    LT      GN    GN      GN    GN
Avg clouds    SC B1 B1   B2 B2 B2 B2   B2 B2 B1 B1   B1 B1 SC B1   B1 B2 B1
PoP 12hr          0      20    40      30    20      10    10      20    20
Rain                      S  C  C  C    C  S                        S
Snow                         C  C  C    C  S                        S  S

$$
MTZ303-141100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
248 PM MST Thu Nov 13 2025

Date          Thu 11/13/25      Fri 11/14/25            Sat 11/15/25         Sun
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                      43          51          31          51          31
Temp             58 52 51 51 47 45 49 48 41 37 36 36 35 37 48 51 45 39 38 37 33
Dewpt            37 38 38 39 37 35 35 34 32 31 30 29 29 30 34 34 35 33 33 32 30
RH               45 59 61 63 68 68 58 58 70 79 79 75 78 75 58 52 68 79 82 82 89
Wind dir          S SW SW  W  W  W  W  W NW NW  E  S SW SW  W  W  W  W  W  W SW
Wind spd         20 27 32 32 29 29 29 25 16 14  9 10 10 13 21 23 13 11  9  6  5
Wind gust        39 55 57 48 44 43 44 41 29 26          24 35 35 24
Clouds           SC B1 B1 B1 B1 B1 B2 B2 OV B2 B1 B2 B2 B1 SC SC SC SC SC B1 SC
PoP 12hr                     20          40          20           5           0
QPF 12hr                      0        0.04           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                          S     S  C  S  S
Snow                                   S  S  S
High Wind         W  W  W  W  W  W  W  W


Date           11/16/25  Mon 11/17/25  Tue 11/18/25  Wed 11/19/25  Thu 11/20/25
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          49      31    45      26    37      23    39      20    36
Temp          45 44 36   33 41 39 32   28 33 33 27   25 34 33 25   22 31 30
Dewpt         36 35 32   30 32 30 26   24 24 25 22   20 23 23 20   18 23 23
PWind dir         S      SE    SW       W     W       W     W       W    NW
Wind char        LT      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B1   B2 B2 B2 B2   B2 B1 SC B1   B1 B2 SC B1   B2 B2 B1
PoP 12hr          0      20    30      20    10      10     5      10    20
Rain                      S  C  C  S
Snow                      S  C  C  S                                   S

$$
MTZ319-141100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
248 PM MST Thu Nov 13 2025

Date          Thu 11/13/25      Fri 11/14/25            Sat 11/15/25         Sun
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                      45          58          39          57          33
Temp             61 56 52 53 49 48 55 53 50 47 46 45 42 41 50 56 52 47 42 40 36
Dewpt            31 31 32 35 35 38 40 37 34 33 34 34 32 32 35 36 34 34 33 32 31
RH               32 38 46 50 58 68 57 54 54 58 63 65 67 70 56 47 50 60 70 73 82
Wind dir          S  S  S  S  S SW  W  W  W  W  W SW SW SW SW  W  W SW  S  S  S
Wind spd         17 17 16 14 14 14 20 20 16 14 10  8  6  8 10 11  8  6  5  4  3
Wind gust        34 35 33 32 28 32 35 34 28 28
Clouds           FW SC SC B1 OV OV B2 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC
PoP 12hr                     30          60          20          10           0
QPF 12hr                   0.01        0.03           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                       S  L  C  C  C


Date           11/16/25  Mon 11/17/25  Tue 11/18/25  Wed 11/19/25  Thu 11/20/25
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          52      36    48      30    42      26    41      24    40
Temp          45 48 42   38 41 46 37   33 36 39 32   28 33 36 31   26 33 36
Dewpt         35 34 35   33 36 34 31   27 28 25 24   21 25 23 22   19 25 23
PWind dir        SE       W     W       W     W       W     W      SW     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC B2   B2 B2 B2 B2   B2 B2 B1 B1   B1 B1 SC B1   B1 B1 B1
PoP 12hr          5      30    50      40    30      10    20      20    30
Rain                 C    C  C  C  C    C  C                   S    S     S
Snow                         C  C  C    C  C             S     S    S  C  S

$$
MTZ326-141100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
248 PM MST Thu Nov 13 2025

Date          Thu 11/13/25      Fri 11/14/25            Sat 11/15/25         Sun
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                      41          59          34          56          30
Temp             59 51 48 48 46 46 55 57 53 48 43 40 37 38 50 55 52 44 38 36 33
Dewpt            29 30 31 32 33 35 40 39 36 36 35 33 30 31 34 32 31 31 31 31 30
RH               32 44 51 54 60 65 57 51 52 63 73 76 75 76 54 41 44 60 76 82 89
Wind dir          S  S SE SE  S  S SW  W  W  W  W SW SW SW  W  W SW  S  S SE SE
Wind spd         18 17 14 13 12 12 16 19 18 16  8  6  5  5  6  9  5  6  5  5  4
Wind gust        33 29 25       23 31 36 33 28
Clouds           SC SC SC B1 B2 OV OV OV OV B2 SC SC B1 B1 B1 B1 SC SC FW SC SC
PoP 12hr                     10          50          20           0           0
QPF 12hr                      0        0.02           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                          C  C  C  C  S


Date           11/16/25  Mon 11/17/25  Tue 11/18/25  Wed 11/19/25  Thu 11/20/25
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          52      33    48      29    43      23    40      20    40
Temp          45 48 40   37 43 44 36   32 38 40 30   26 34 36 27   22 33 36
Dewpt         34 34 36   35 38 33 33   30 30 27 26   23 25 24 22   19 23 22
PWind dir        SE      SE    SE      SE    SW      SW    SW      SW    SW
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC B1 B2   B2 OV B2 B2   OV B2 B1 B1   B2 B2 B1 B1   B1 B1 B1
PoP 12hr         10      40    50      50    30      20    10      30    30
Rain                 S    C  C  C  C    C  C  S  S    S
Snow                         S  C  C    C  C  S  S    S             C  C  S

$$
MTZ330-141100-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
248 PM MST Thu Nov 13 2025

Date          Thu 11/13/25      Fri 11/14/25            Sat 11/15/25         Sun
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                      31          46          29          45          25
Temp             46 38 37 35 35 36 44 44 43 41 38 34 31 32 41 45 42 34 30 29 27
Dewpt            29 29 30 29 29 31 36 34 36 37 36 33 31 32 35 33 33 30 28 28 27
RH               51 70 75 78 78 82 73 68 76 85 92 96100100 79 62 70 85 92 96100
Wind dir          S  S  S  S SW  S SW SW SW SW SW SW SW SW SW SW SW  S  S SE SE
Wind spd         13 17 17 16 16 19 20 23 19 20 12  8  5  5  9 10  5  2  2  1  1
Wind gust        24 29 29       31 33 35 31 37 23
Clouds           FW FW SC FW B2 OV OV OV OV B2 SC SC B1 B2 B1 SC SC SC SC SC B1
PoP 12hr                     20          80          30          10           5
QPF 12hr                      0        0.06        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                          L  L  L  L  C  S                                C


Date           11/16/25  Mon 11/17/25  Tue 11/18/25  Wed 11/19/25  Thu 11/20/25
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          45      29    39      25    37      18    33      13    33
Temp          40 42 34   30 36 37 30   26 33 34 24   20 28 28 20   15 27 29
Dewpt         35 35 34   30 34 31 29   26 28 26 23   20 22 20 18   15 21 20
PWind dir        SE       S    SW       S     S      SW    SW      SW     S
Wind char        LT      LT    LT      LT    LT      LT    LT      GN    LT
Avg clouds    B2 B2 B2   OV OV B2 B2   B2 OV B2 B2   B2 B2 B1 B2   B2 B2 B1
PoP 12hr         40      60    80      60    50      30    30      30    40
Rain           C  C  C    L  D  L  L
Snow                      S  D  L  L    L  C  C  S    C  C  C  S    C  C  C

$$
MTZ328-141100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
248 PM MST Thu Nov 13 2025

Date          Thu 11/13/25      Fri 11/14/25            Sat 11/15/25         Sun
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                      40          56          32          55          29
Temp             56 48 46 43 44 43 53 55 50 43 39 37 35 34 48 54 49 39 35 33 31
Dewpt            31 29 30 31 33 35 39 36 34 33 31 30 28 27 32 30 32 30 30 29 27
RH               38 47 53 62 65 73 59 49 54 67 73 75 75 75 54 40 52 70 82 85 85
Wind dir          S  S  S  S  S  S SW SW SW SW SW SW  S  S SW SW SW  S  S  S  S
Wind spd         18 19 18 16 14 18 23 24 17 14 10 10 10 10  8  8  5  5  6  6  6
Wind gust        31 33 28          33 40 31 27
Clouds           FW SC SC B1 B2 B2 OV B2 B1 SC FW SC SC SC SC FW FW FW FW SC SC
PoP 12hr                     20          40           5           0           0
QPF 12hr                      0        0.01           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                          S  S  S


Date           11/16/25  Mon 11/17/25  Tue 11/18/25  Wed 11/19/25  Thu 11/20/25
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          49      33    46      30    43      23    38      19    37
Temp          43 45 37   36 42 43 34   32 39 38 29   25 34 34 25   23 32 32
Dewpt         33 35 35   34 36 35 31   29 30 27 23   21 24 22 19   18 21 22
PWind dir         S      SE     S       S     S      SW    SW       S     S
Wind char        LT      LT    LT      GN    LT      LT    GN      GN    GN
Avg clouds    B1 B1 B2   B2 B2 B2 B2   B2 B2 B1 B2   B2 B1 SC B1   B1 B1 B1
PoP 12hr         10      40    50      40    20      10    10      20    20
Rain                 C    C  C  C  C    S  S
Snow                         C  C  C    S  S                   S    S  S  S

$$
MTZ305-141100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
248 PM MST Thu Nov 13 2025

Date          Thu 11/13/25      Fri 11/14/25            Sat 11/15/25         Sun
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                      46          59          29          54          28
Temp             64 56 55 53 51 51 54 54 43 38 35 33 32 34 46 53 48 40 36 34 31
Dewpt            36 34 35 37 37 39 38 37 34 33 32 31 29 30 36 36 36 34 33 32 29
RH               35 43 47 54 59 63 54 52 70 82 89 92 88 85 68 52 63 79 89 92 92
Wind dir         SW SW SW SW SW  W  W NW NW  N NE  E SE  S SW  W SW SW SW  S SE
Wind spd         18 20 23 24 23 23 27 24 17 12  5  5  5  9 12 13 10  9  6  5  5
Wind gust        34 36 40 39 37 35    36
Clouds           SC SC B1 B1 OV OV B2 B2 OV OV B2 B2 B2 B2 B1 B1 SC SC FW SC SC
PoP 12hr                      5          30          20          10           0
QPF 12hr                      0        0.06        0.06           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                C  C     S
Snow                                         S


Date           11/16/25  Mon 11/17/25  Tue 11/18/25  Wed 11/19/25  Thu 11/20/25
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      29    46      25    40      22    41      20    39
Temp          45 46 37   32 42 42 32   27 36 35 27   25 35 35 26   23 34 34
Dewpt         36 36 33   29 33 31 28   25 28 27 24   22 26 25 23   21 26 25
PWind dir         E       E     E       E     W      SW    SW      SE    NW
Wind char        LT      GN    GN      GN    GN      LT    GN      LT    GN
Avg clouds    SC SC B2   B2 OV B2 OV   B2 B2 B1 B1   B2 B2 B1 B1   B1 B2 B2
PoP 12hr          0      20    30      30    20      10    10      10    20
Rain                      S  C  C  C    S  S                           S  S
Snow                      S  C  C  C    S  S                           S  S

$$
MTZ314-141100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
248 PM MST Thu Nov 13 2025

Date          Thu 11/13/25      Fri 11/14/25            Sat 11/15/25         Sun
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                      48          60          34          56          32
Temp             61 55 56 56 52 52 58 55 49 44 41 40 38 40 51 55 50 43 40 39 36
Dewpt            31 30 31 33 32 34 38 39 37 35 32 33 31 30 33 35 33 33 33 33 32
RH               32 38 38 42 46 50 47 55 63 70 70 76 76 67 50 47 52 67 76 79 85
Wind dir         SW SW SW SW SW SW  W  W  W  W  W  W  W  W  W  W  W SW SW  S  S
Wind spd         16 18 18 19 19 20 25 24 20 16  9  8  8 10 13 13  8  6  5  5  5
Wind gust        29 33 32 33 34 33 35 34 32 31                24
Clouds           FW SC SC B1 B1 B2 OV OV B2 B2 SC B1 B1 B2 B1 SC SC SC SC SC SC
PoP 12hr                      5          30          20           5           0
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                                   S  S  S


Date           11/16/25  Mon 11/17/25  Tue 11/18/25  Wed 11/19/25  Thu 11/20/25
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          56      33    46      26    40      23    39      21    38
Temp          53 49 40   37 43 41 34   30 36 36 28   27 36 34 26   26 35 33
Dewpt         35 35 34   32 35 34 30   27 28 28 23   22 25 24 21   21 25 24
PWind dir        SE      SE     S       W     W       W     W      SW    SW
Wind char        LT      LT    LT      GN    LT      LT    LT      LT    LT
Avg clouds    SC SC B2   B2 B2 B2 B2   B2 B2 B2 B1   B1 B1 B1 B1   B1 B2 B2
PoP 12hr          0      20    40      40    30      20    10      20    20
Rain                 S    S  C  C  C    C     S  S                  S
Snow                      S  C  C  C    C  C  S  S                  S  S  S

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