Point Forecast Matrices
Issued by NWS Great Falls, MT

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Point Forecast Matrices
National Weather Service Great Falls MT
847 AM MST Sat Nov 23 2024

MTZ312-232300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
847 AM MST Sat Nov 23 2024

Date                Sat 11/23/24            Sun 11/24/24            Mon 11/25/24
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                      30           9          18           1          27
Temp                   24 27 21 16 15 15 12 12 15 16 11  5  5  6  7  9 17 23 20
Dewpt                  21 22 17 12 11 11  8  7  9  9  7  3  2  1  2  5 12 17 16
RH                     88 81 84 84 84 84 84 80 77 73 83 91 87 79 79 83 80 77 84
Wind dir                W  W  W  W NW NW NW  W NW  N NE SE SE  E SE  S  S  S  S
Wind spd                8 11 11  9  9  6  6  4  5  5  4  2  2  2  2  2  3  5  6
Clouds                 B2 B2 B2 B2 OV OV B2 OV B2 SC SC SC SC B1 B1 B2 B1 B1 B1
PoP 12hr                     70          40          30          10           5
QPF 12hr                   0.13        0.02        0.01           0           0
Snow 12hr                     T           T           T
Rain                       L
Snow                    S     C  C  S  S  C  C
Winter Weath            Y  Y  Y  Y  Y  Y


Date               Tue 11/26/24  Wed 11/27/24  Thu 11/28/24  Fri 11/29/24
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    38      14    28      10    26       8    24
Temp          21   23 32 28 21   19 26 20 15   15 20 18 14   12 16 14
Dewpt         15   15 24 22 16   14 19 17 11   11 14 14  9    7  9  9
PWind dir          SW    SW      SW     W       N    SW      SW     W
Wind char          GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    B1   B1 SC FW FW   SC B1 SC B1   B2 B2 B1 B1   B1 B2 SC
PoP 12hr            5     5       5    20      30    10      10    10
Snow                                    S  C    S

$$
MTZ303-232300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
847 AM MST Sat Nov 23 2024

Date                Sat 11/23/24            Sun 11/24/24            Mon 11/25/24
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           3          12          -5          20
Temp                   18 18 13 11 10  9  6  5 10 11  5 -1  0  1  3  4  9 16 15
Dewpt                  16 17  9  7  6  4  2  1  5  5  1 -2 -3 -2  0  1  7 12 13
RH                     92 96 84 83 83 80 83 83 80 76 83 95 87 87 87 87 91 84 92
Wind dir               NE NW NW NW NW NW NW NW NW NW  N  W SW  S  S SE SE  S  S
Wind spd               12 20 21 21 17 14 12 10 11  6  3  2  2  2  4  5  6  8  6
Wind gust                 32 34 32
Clouds                 OV B2 OV B2 B2 OV B2 B2 B2 B1 B1 B1 B2 B2 OV B2 B2 B2 B2
PoP 12hr                     90          60          30          10           5
QPF 12hr                   0.22        0.02           0           0           0
Snow 12hr                     2           T       00-00
Snow                    L  C  C  C  C  C  C  C
Obvis                     BS BS
Wind chill                   -6 -8 -8 -8-10-10 -4    -1          -7 -7 -2
Min chill                    -6   -10   -11   -12    -6    -8    -8    -8
Winter Storm            W  W  W  W  W  W


Date               Tue 11/26/24  Wed 11/27/24  Thu 11/28/24  Fri 11/29/24
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             9    33       9    22       3    21       3    20
Temp          17   16 27 24 20   16 19 15 10    8 14 13  9    7 11 10
Dewpt         12   13 22 19 15   12 14 12  7    5 11 10  5    3  6  6
PWind dir          SW     W       W    NW      NW    SW      NW    NW
Wind char          LT    GN      GN    LT      LT    LT      LT    GN
Avg clouds    B2   B1 SC FW SC   SC B1 SC B2   B2 B2 B1 B1   B2 B2 B1
PoP 12hr            5     0       0    10      20    10      10    10
Snow                                       S

$$
MTZ319-232300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
847 AM MST Sat Nov 23 2024

Date                Sat 11/23/24            Sun 11/24/24            Mon 11/25/24
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                      45          17          28          13          37
Temp                   33 41 36 33 27 24 21 20 24 28 25 21 20 19 16 18 26 34 32
Dewpt                  29 31 29 26 20 18 15 15 17 17 17 14 13 13 12 13 19 20 22
RH                     85 67 75 75 74 77 77 81 74 63 71 74 74 77 84 80 74 56 66
Wind dir                S  W  W  W  W  W NW NW NW NW NW  W  S  S  S  S SE  S  S
Wind spd                9 13 11  8  5  6  3  3  3  3  2  2  2  2  2  2  2  4  5
Wind gust                 24
Clouds                 B2 OV OV B2 B2 OV OV B2 B1 SC SC SC SC B1 B1 B1 B1 B1 SC
PoP 12hr                     60          50          30           5           0
QPF 12hr                   0.04        0.03        0.01           0           0
Snow 12hr                 00-00           T           T
Frzg drzl
Rain                       L  C
Snow                             C  S  S  C  C


Date               Tue 11/26/24  Wed 11/27/24  Thu 11/28/24  Fri 11/29/24
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            20    41      20    36      17    35      13    34
Temp          28   22 32 36 29   23 29 32 26   19 27 29 22   15 22 26
Dewpt         18   17 23 24 19   19 21 21 17   15 18 17 13   10 13 14
PWind dir           S    SW      SW     W       W     W      SW     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   SC SC SC FW   SC B1 B1 B1   B1 B1 SC SC   B1 B1 SC
PoP 12hr            5     5      10    20      20    10      10    10
Snow                                    S  S

$$
MTZ326-232300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
847 AM MST Sat Nov 23 2024

Date                Sat 11/23/24            Sun 11/24/24            Mon 11/25/24
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                      48          20          31          11          36
Temp                   42 46 40 34 30 28 25 22 28 31 27 21 18 17 16 17 28 34 30
Dewpt                  32 31 32 31 27 26 24 22 26 23 21 19 16 15 14 15 20 21 21
RH                     67 55 73 89 88 92 96100 92 72 78 92 92 92 92 92 71 58 69
Wind dir               SE SW  W  S SW  W SW  W  W  W  E SE  S  S SE  S SW SW  S
Wind spd                5 14 12  5  6  5  4  3  3  3  1  2  3  4  5  4  2  3  4
Wind gust              16 32 28
Clouds                 B2 B2 B2 B2 B2 OV OV B2 B2 SC SC SC SC SC SC SC SC B1 B1
PoP 12hr                     60          70          50           5           0
QPF 12hr                   0.03        0.17        0.03           0           0
Snow 12hr                 00-00           1           T
Rain                       C  C
Snow                             C  C  C  C  C  S  S
Winter Weath                  Y  Y  Y  Y  Y  Y


Date               Tue 11/26/24  Wed 11/27/24  Thu 11/28/24  Fri 11/29/24
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            16    38      14    34      11    33      11    35
Temp          23   21 31 32 23   19 27 29 21   17 26 28 20   16 25 27
Dewpt         19   18 23 22 20   18 22 19 18   15 18 17 15   12 16 15
PWind dir           S     S       S    SW       S    SW      SE    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   B1 B1 SC SC   SC B1 SC SC   B1 B1 SC SC   B1 B1 SC
PoP 12hr            5    10      20    20      30    10      20    10
Snow                         S    S  S     C    C             S

$$
MTZ330-232300-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
847 AM MST Sat Nov 23 2024

Date                Sat 11/23/24            Sun 11/24/24            Mon 11/25/24
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          17          30           7          29
Temp                   32 35 32 28 24 23 21 19 28 29 24 18 14 12 10 11 22 28 24
Dewpt                  30 30 28 26 23 23 21 19 23 20 18 16 14 12 10 11 16 17 16
RH                     92 82 85 92 96100100100 81 69 77 92100100100100 77 63 71
Wind dir                S SW SW SW SW SW SW SW SW SW SW  S  S  S  S  S  S SW SW
Wind spd               18 21 20 20 14 10  6  4  5  8  4  2  2  2  2  2  6 12  8
Wind gust              29 36 31 32
Clouds                 OV B2 B2 B2 B2 OV OV B2 B1 B1 SC SC B1 B2 B2 B2 B1 B1 B1
PoP 12hr                     80          60          60          10          30
QPF 12hr                   0.12        0.09        0.06           0           0
Snow 12hr                     1           1           1
Snow                    D  L  C  C  C  L  L  L  C  C              S  S  C  C  C
Winter Weath            Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date               Tue 11/26/24  Wed 11/27/24  Thu 11/28/24  Fri 11/29/24
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            11    31       7    27       5    26       3    27
Temp          16   13 26 26 15   11 22 22 11    8 20 21 11    7 20 21
Dewpt         14   13 20 20 14   11 17 16 10    8 16 14  9    7 14 13
PWind dir           S     S      SW    NW      SW    SW      SW    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   B2 OV B2 B1   B2 B2 B1 B1   B1 B2 B1 B1   B2 B2 B1
PoP 12hr           30    50      50    40      30    20      20    20
Snow           C    S  C  C  C    C  C  C  C    C  S  S  S    S  S  S

$$
MTZ328-232300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
847 AM MST Sat Nov 23 2024

Date                Sat 11/23/24            Sun 11/24/24            Mon 11/25/24
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          20          35          14          34
Temp                   42 43 38 30 27 24 23 20 31 34 29 21 20 18 18 17 27 33 28
Dewpt                  30 29 27 23 22 20 20 18 23 20 20 16 15 13 13 14 18 19 20
RH                     62 57 64 75 81 84 88 92 72 56 69 81 81 80 80 88 68 56 71
Wind dir                S SW SW  S  S SW SW SW SW SW  S  S  S  S  S  S  S  S  S
Wind spd               18 19 11 10  9  8  6  6  4  4  3  5  8  9  9  9  8  8  6
Wind gust              29 32
Clouds                 B2 B2 B2 B1 B1 B2 B1 SC SC SC FW FW FW FW SC B1 SC SC SC
PoP 12hr                     40          30          20           0           0
QPF 12hr                   0.01        0.04           0           0           0
Snow 12hr                 00-00           T       00-00
Drizzle
Frzg drzl
Rain                    S  C
Snow                          S  S  S  C  S  S


Date               Tue 11/26/24  Wed 11/27/24  Thu 11/28/24  Fri 11/29/24
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            14    34      14    32      10    31      11    32
Temp          21   19 28 28 22   19 27 26 18   13 24 25 17   15 25 26
Dewpt         15   14 19 20 17   15 19 19 13   10 15 15 10    9 13 14
PWind dir           S     S       S    SW       S     S       S     S
Wind char          GN    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   SC B1 SC SC   SC SC SC SC   SC SC SC SC   SC B1 SC
PoP 12hr            5    10      20     5      10     5       5     5
Snow                         S

$$
MTZ305-232300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
847 AM MST Sat Nov 23 2024

Date                Sat 11/23/24            Sun 11/24/24            Mon 11/25/24
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                      30           3          14          -6          16
Temp                   26 29 25 17 13 11  8  5 11 13  9  2 -1 -2  0 -3  6 14 11
Dewpt                  23 25 22 14 11  8  4  2  6  6  4  0 -2 -4 -2 -3  3  8  8
RH                     88 85 88 88 91 87 83 87 80 73 80 91 95 91 91100 87 76 87
Wind dir                E  E  W  W  W  W  W  W  W  W  W  W  W SW  S  E  E  E  E
Wind spd               14 12 13 16 14 13 12 11 12 11  5  2  2  1  2  2  2  2  2
Clouds                 OV OV OV B2 B1 B2 B1 B1 B1 B1 SC SC SC B1 B2 B2 B1 B1 B1
PoP 12hr                     90          70          20           5          10
QPF 12hr                   0.14        0.03           0           0           0
Snow 12hr                     1           1       00-00
Frzg rain
Snow                    S  C  L  S  C  S  S  S
Wind chill                         -3 -5 -8-11 -4 -1 -1
Min chill                          -3    -9   -13    -3    -7    -2    -3
Winter Weath            Y  Y  Y  Y  Y  Y


Date               Tue 11/26/24  Wed 11/27/24  Thu 11/28/24  Fri 11/29/24
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             2    28       6    22       0    19      -2    18
Temp           8   10 20 20 14   12 16 15  9    7 11 11  6    5 10 10
Dewpt          6    7 16 16 12   10 13 11  7    4  8  8  4    3  6  6
PWind dir          SE    SW      SW     W      NW     N      NE     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   B1 SC SC SC   B1 B1 B1 B2   B2 B2 B1 B2   B2 B2 B1
PoP 12hr           10     5       0    10      20    10      20    20
Snow                                       S    S             S  S

$$
MTZ314-232300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
847 AM MST Sat Nov 23 2024

Date                Sat 11/23/24            Sun 11/24/24            Mon 11/25/24
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           7          20           4          36
Temp                   37 42 32 22 16 14 11  8 16 18 15 10  9  9 10 13 28 34 28
Dewpt                  27 30 26 19 13 11  8  5 11 10 10  8  7  7  8 11 18 20 19
RH                     67 62 78 88 88 88 87 87 80 70 80 91 91 91 91 91 66 56 68
Wind dir               SE SW  W  W  W NW NW  W NW NW NW  W SW  S SE  S  S SW  S
Wind spd               11 12 12 12 11 10  9  6  6  6  2  2  2  2  3  3  4  5  5
Wind gust                 23 23
Clouds                 B2 B1 B2 B2 B2 OV OV B2 B2 B1 SC SC SC SC SC B1 SC SC B1
PoP 12hr                     40          40          50          10           5
QPF 12hr                   0.01        0.08        0.01           0           0
Snow 12hr                 00-00           1           T
Frzg drzl
Frzg rain
Rain                       S  C
Snow                       S     S  S     C  C  S  S
Wind chill                               -2 -3
Min chill                                -2    -4


Date               Tue 11/26/24  Wed 11/27/24  Thu 11/28/24  Fri 11/29/24
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            20    41      17    31      11    29       9    28
Temp          26   26 37 31 25   24 29 24 19   16 23 22 17   15 20 18
Dewpt         18   19 24 22 20   20 21 18 15   14 17 16 12   10 12 11
PWind dir          SW    SW       W     W       W     W       S     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC SC SC   SC B1 SC B1   B1 B2 B1 B1   B1 B2 B1
PoP 12hr            5    10      10    20      40    20      20    20
Snow                                    S  C    C  S     S    S  S  S

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