Point Forecast Matrices
Issued by NWS Great Falls, MT

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8
627
FOUS55 KTFX 050919
PFMTFX

Point Forecast Matrices
National Weather Service Great Falls MT
218 AM MST Wed Feb 5 2025

MTZ312-052300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
218 AM MST Wed Feb 5 2025

Date                Wed 02/05/25            Thu 02/06/25            Fri 02/07/25
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                       3          -7          12          -1           7
Temp            -13-13 -9 -5 -3 -1  8  7  4  2  8 11  7  2  2  2  3  4  5  6  7
Dewpt           -18-17-16-14-10 -9 -1 -1 -4 -6 -1  2  1 -3 -4 -4 -3 -2 -1  0  0
RH               77 82 70 64 71 68 66 69 68 68 66 66 76 79 75 75 75 75 76 76 72
Wind dir          N NW NW  W  S SW SW SW SW  W  W  N NE  N  W NW  N  N  N  N  N
Wind spd          9 10  9  5  5 11 13 12  9  5  5  5  5  3  3  3  3  4  5  6  5
Clouds           OV OV B2 B2 FW FW FW B1 B1 SC SC B1 B1 B2 B2 OV OV OV B2 OV B2
PoP 12hr                     60           5           5          20          60
QPF 12hr                   0.04           0           0           0        0.15
Snow 12hr                     1       00-00       00-00
Snow              C  L  S                                   S  S  C  C  L  L  C
Wind chill      -31-32-26-18-15-18 -8 -9-10 -9 -2    -3 -6 -5 -6 -5 -5 -6 -6 -4
Min chill       -31   -32   -24   -18   -17   -11    -3    -8    -6    -6    -6
Cold Weather      Y  Y
Winter Weath      Y  Y  Y


Date               Sat 02/08/25  Sun 02/09/25  Mon 02/10/25  Tue 02/11/25
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            -4    24       3    17      -2    11      -9     8
Temp           1    0 18 21 11    8 14 13  7    2  7  6 -1   -5  3  5
Dewpt         -4   -7  8 11  3    0  6  5  0   -6 -2 -3 -9  -14 -7 -4
PWind dir          SW    SW      SW     W      NW     W      NW     W
Wind char          LT    GN      GN    GN      GN    LT      LT    LT
Avg clouds    B2   SC SC B1 B1   B1 B1 B2 B2   B2 B2 B1 B1   B1 B1 B1
PoP 12hr           30     0      10    40      60    40      30    20
Snow           C                     S  C  C    L  C  C  C    C  S  S

$$
MTZ303-052300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
218 AM MST Wed Feb 5 2025

Date                Wed 02/05/25            Thu 02/06/25            Fri 02/07/25
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                      -2         -13          11          -7           8
Temp            -17-17-12 -9-11 -8 -3 -7 -9 -7  4 11  6 -2 -4 -5 -3  0  5  7  6
Dewpt           -23-23-21-19-17-15-10-13-15-13 -5 -1 -1 -7 -9-10 -8 -5 -2  0  0
RH               73 73 63 60 74 70 71 74 74 74 65 57 72 79 78 78 78 79 72 72 76
Wind dir          N  N NW NW  S SW NW NW NW NW  W NW SE  W NW NW  N  N  N  N NE
Wind spd         10 10 10  6  5  9 11  9  6  6  5  5  4  4  4  4  4  4  5  6  6
Clouds           OV OV B2 B1 SC FW SC B1 B1 B1 SC SC SC B1 B1 B1 B2 OV B2 B2 B2
PoP 12hr                     60           5           0           0          30
QPF 12hr                   0.03           0           0           0        0.03
Snow 12hr                     1       00-00       00-00
Snow              L  C                                            S  S  C  C
Wind chill      -38-38-32-24-24-25-21-23-23-20 -7    -3-12-13-15-13 -9 -6 -4 -6
Min chill       -38   -38   -30   -26   -28   -24    -4   -15   -16   -14    -7
Cold Weather      Y  Y
Winter Weath      Y  Y  Y


Date               Sat 02/08/25  Sun 02/09/25  Mon 02/10/25  Tue 02/11/25
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            -8    20       0    13      -8     9     -12     6
Temp          -5   -3 16 15  7    4 10  9  0   -5  2  3 -5   -8  1  2
Dewpt        -10   -9  6  7  1   -3  2  2 -6  -11 -7 -6-12  -15 -9 -5
PWind dir          SW     W       W    NW      NW    NW      NW    NW
Wind char          LT    GN      GN    GN      GN    GN      LT    GN
Avg clouds    B1   SC B1 SC SC   SC B2 B2 B1   B2 B2 B1 B1   B1 B1 B1
PoP 12hr            5     0       0     5      20    10      10     5
Snow                                       S

$$
MTZ319-052300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
218 AM MST Wed Feb 5 2025

Date                Wed 02/05/25            Thu 02/06/25            Fri 02/07/25
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                      16           4          25           5          12
Temp             -9 -8  0  9 12 10  9  8  7  8 16 23 24 16 14 10  7  8  8 10 11
Dewpt           -15-14 -5  0  3  1  2  0  1  3  8 12 14 10  8  5  4  4  4  3  4
RH               74 74 79 66 66 66 72 69 76 79 70 62 65 77 76 80 87 83 83 73 73
Wind dir         NW NW NW  N SW  W SW SW SW SW SW NW NE  W  W NW NW  N  N  N NW
Wind spd          4  5  2  6  8  6  5  5  4  3  2  3  2  1  1  1  1  2  4  5  5
Clouds           OV OV B2 B1 FW SC SC B1 SC SC B1 B2 B2 OV OV OV OV OV OV OV B2
PoP 12hr                     70          10           5          40          70
QPF 12hr                   0.11           0           0           0        0.10
Snow 12hr                     2       00-00       00-00
Snow              C  L  S                             S  S  C  C  L  L  L  L  C
Wind chill      -20-21    -2    -1 -1 -2 -2                            -1
Min chill       -22   -22    -3    -2    -5    -1                      -1
Cold Weather      Y  Y
Winter Weath      Y  Y  Y


Date               Sat 02/08/25  Sun 02/09/25  Mon 02/10/25  Tue 02/11/25
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    22       5    21      -2    12     -10     9
Temp           6    2 14 22 15    8 14 20  9    1  5  9 -1   -9  0  8
Dewpt          0   -2  5  9  7    3  6  8  2   -3 -2 -1 -9  -13 -8 -3
PWind dir           W    SW      SW     W      NW    NW      NW    NW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B1 B1 B1 B1   B1 B1 B2 B2   B2 B2 B1 B1   B1 B1 B1
PoP 12hr           30     0      10    20      40    30      30    20
Snow           C                     S  S  C    C  C     C    C  S  S

$$
MTZ326-052300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
218 AM MST Wed Feb 5 2025

Date                Wed 02/05/25            Thu 02/06/25            Fri 02/07/25
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                      19           3          27           7          21
Temp             -1  0  8 14 13 10  9  8  9  9 21 26 24 18 14 12 11 12 17 20 18
Dewpt            -5 -2  6  9  6  3  0  0  2  2 12 14 14 13 11  9  9 10 15 17 14
RH               83 91 91 80 73 73 66 69 72 72 68 60 65 80 88 87 91 91 92 88 84
Wind dir         SW  W SW  W SW  S SE NE NE  S  W  W NW  E  E  E  E  E  E  N NW
Wind spd          4  5  6  5  5  6  8  8  6  5  3  3  2  2  2  2  2  2  2  3  4
Clouds           B2 OV OV B2 B1 SC FW B1 B1 B2 B2 B2 OV OV OV OV OV OV OV OV OV
PoP 12hr                     70          10           5          40          80
QPF 12hr                   0.10           0           0        0.01        0.12
Snow 12hr                     1       00-00       00-00
Snow              S  C  L  C                          S  S  C  C  L  L  D  D  C
Wind chill      -11-12 -3       -2 -4 -4 -2 -1
Min chill       -14   -12    -1    -4    -7    -1
Winter Weath      Y  Y  Y  Y


Date               Sat 02/08/25  Sun 02/09/25  Mon 02/10/25  Tue 02/11/25
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            -3    19       0    22      -3    13     -10    10
Temp           9    2 13 17 11    4 15 19  7    2  7 11  0   -5  2  9
Dewpt          5   -1  6  8  5   -2  6  9  3   -2  3  4 -4  -10 -4  1
PWind dir           W    SW      SW    SW      SW     W      SE    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    OV   B2 B1 B1 B2   B1 B2 B1 B1   B2 B2 B1 B1   B1 B2 B1
PoP 12hr           50     5       5    10      30    20      20    20
Snow           C                           S    C  S     S    S  S

$$
MTZ330-052300-
West Yellowstone-Gallatin MT
44.69N 111.11W Elev. 6644 ft
218 AM MST Wed Feb 5 2025

Date                Wed 02/05/25            Thu 02/06/25            Fri 02/07/25
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                      34          -2          22          11          30
Temp             26 27 32 29 22 12  6  2  1  4 17 22 21 16 15 13 13 16 27 30 27
Dewpt            24 26 26 17 10  4 -1 -3 -3 -1  9 11 12 11 12 10 11 14 22 23 21
RH               92 96 78 60 59 70 72 79 83 79 70 62 68 80 88 87 91 92 81 75 78
Wind dir         SW SW SW SW SW SW SW SW SW SW SW SW SW  S  S  S  S SW SW SW SW
Wind spd         11 13 21 23 14 10  6  5  5  3  5  8  5  2  2  2  2  2  5 11 10
Wind gust        28 33 44 44 35 25 18 16       16 18 16                   24 24
Clouds           OV OV B2 B1 SC FW SC B1 B2 B2 OV OV OV OV B2 OV OV OV OV OV B2
PoP 12hr                     90          20          10          60          90
QPF 12hr                   0.26           0           0        0.04        0.16
Snow 12hr                     2       00-00       00-00
Snow              D  L  L  C                          C  C  L  L  D  D  D  D  D
Obvis                  BS BS
Wind chill                      -1 -6 -9-10 -4
Min chill                          -6   -12    -9
Winter Weath      Y  Y  Y  Y


Date               Sat 02/08/25  Sun 02/09/25  Mon 02/10/25  Tue 02/11/25
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            -3    18      -5    16      -7    18     -11    17
Temp          11   -1 14 15  4   -3 11 14  1   -5 10 15  0   -8  9 14
Dewpt          6   -4  6  7  0   -6  5  6 -2   -8  3  6 -4  -12  1  3
PWind dir           W    SW      SW    SW      SW    SW       S     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B1 B1 B2 B2   B1 B2 B2 B2   B1 B2 B1 B1   B1 B2 B1
PoP 12hr           80    40      10    20      10    30      20    30
Snow           D    C  C  C             S          S  C  S    S  S  C

$$
MTZ328-052300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
218 AM MST Wed Feb 5 2025

Date                Wed 02/05/25            Thu 02/06/25            Fri 02/07/25
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           9          29          14          28
Temp             -1  8 26 30 23 14 13 13 11 12 23 28 26 21 18 16 16 18 24 28 25
Dewpt            -6  5 18 16 10  4  3  3  4  5 12 14 16 15 13 12 12 15 19 22 20
RH               79 87 71 55 57 64 63 63 73 73 62 55 65 77 80 84 84 88 81 78 81
Wind dir         SE  S SW  W SW SW SW  S SW  S SW SW  S  S  S  S  E NE NE  N  N
Wind spd         12 13 21 24 17 13 12 11 10  9 10  9  5  5  4  4  4  5  5  9  9
Wind gust              34 35 27
Clouds           B2 B1 SC SC SC FW FW SC SC B1 B2 OV OV B2 B2 B2 B2 OV OV OV OV
PoP 12hr                     40           5           0          20          70
QPF 12hr                   0.05           0           0        0.01        0.10
Snow 12hr                     T       00-00       00-00
Snow              S  C  S                                   S  S  C  C  L  L  S
Obvis            BS BS BS BS
Wind chill      -19 -8             -1 -1 -2
Min chill       -23   -15          -2    -3    -1
Winter Weath      Y  Y  Y  Y


Date               Sat 02/08/25  Sun 02/09/25  Mon 02/10/25  Tue 02/11/25
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             2    22       1    22       0    18      -4    15
Temp          16    6 16 20 10    3 15 20  8    2 13 16  5   -1  9 13
Dewpt         11   -1  7  9  2   -3  7  9  1   -4  4  5 -2   -7  0  3
PWind dir           W    SW      SW    SW       S    SW      SE    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B1 SC SC B1   SC SC SC SC   SC SC SC B1   B1 B1 B1
PoP 12hr           20     5       0     0       5     5       5     5
Snow           S

$$
MTZ305-052300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
218 AM MST Wed Feb 5 2025

Date                Wed 02/05/25            Thu 02/06/25            Fri 02/07/25
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                      -1         -19           4         -11           8
Temp             -9 -7 -6 -4 -7-13-15-16-15-14 -2  4  0 -6 -8-10 -8 -7  1  7  8
Dewpt           -14-12-10-11-13-17-19-21-20-19-10 -5 -5-11-12-13-11-10 -3  2  3
RH               78 78 82 71 74 82 81 77 77 77 68 65 79 78 82 86 86 86 83 79 79
Wind dir         NE  N NW  W  W  W  W  W SW SW  W  W SW SW  W NE NE NE NE NE NE
Wind spd          5  6 11 12  9  5  4  4  5  6  8  8  5  3  2  2  2  4  5  6  5
Clouds           OV OV OV B2 B1 SC SC SC SC SC FW FW FW SC SC B1 B1 B2 B2 OV OV
PoP 12hr                     80           5           0           0          30
QPF 12hr                   0.07           0           0           0        0.03
Snow 12hr                     1       00-00       00-00
Snow              C  D  C                                         S  S  C  C  C
Wind chill      -22-22-24-23-24-27-27-29-29-30-17-10-11-15         -18-10 -4 -3
Min chill       -24   -25   -24   -28   -32   -30   -12   -16   -10   -18    -7
Cold Weather      Y  Y
Winter Storm      W  W  W  W


Date               Sat 02/08/25  Sun 02/09/25  Mon 02/10/25  Tue 02/11/25
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            -8    13      -6    12     -11     5     -14     3
Temp           2   -3  6 11  1   -2  7  8 -1   -5  0  1 -7  -10 -3  0
Dewpt         -1   -7  0  4 -2   -6  2  3 -4  -10 -6 -4-11  -15 -9 -5
PWind dir          SE    SW      SW     W      NW     W      NW     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    OV   B1 B1 B1 B1   B1 B2 B2 B2   B2 B2 B1 B2   B1 B1 B1
PoP 12hr           30     0       0    20      30    20      10    10
Snow           C                     S  S  S    C  S

$$
MTZ314-052300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
218 AM MST Wed Feb 5 2025

Date                Wed 02/05/25            Thu 02/06/25            Fri 02/07/25
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                       3          -2          18           4          13
Temp            -12-13-10 -5  0  3 10  9  8 10 16 18 13  7  9  8  9 10 11 12  9
Dewpt           -16-17-15-12 -6 -5  2  1  1  3  9  8  7  3  4  3  4  6  6  6  5
RH               82 82 78 71 75 68 69 69 72 73 73 64 76 83 80 79 80 83 80 76 83
Wind dir          E NW NW  W  W SW SW SW  W SW  W NW NW  S  S SE SE  E  E NE  N
Wind spd          3  5 10  8  5 10 10  9  8  5  5  5  2  2  3  3  4  4  5  6  5
Clouds           OV OV OV OV SC FW FW SC B1 B1 SC B1 B1 OV OV OV OV OV OV OV OV
PoP 12hr                     60          10           5          30          80
QPF 12hr                   0.05           0           0           0        0.15
Snow 12hr                     1       00-00       00-00
Snow              S  C  C                                   C  C  L  L  D  D  L
Wind chill      -22-27-29-21-11-13 -4 -4 -4
Min chill       -23   -29   -25   -13   -11    -3


Date               Sat 02/08/25  Sun 02/09/25  Mon 02/10/25  Tue 02/11/25
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            -3    21       2    17      -5     8     -13     5
Temp           3    1 18 18 10    7 14 12  5    0  4  3 -4  -10  2  2
Dewpt         -1   -4  7  9  4    1  6  6  1   -5 -3 -3-10  -16 -7 -4
PWind dir           W    SW       W     W       W     W       W     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    OV   B2 SC SC B1   B1 B1 B2 B2   B2 B2 B1 B2   B2 B2 B1
PoP 12hr           70     5      20    30      70    50      40    30
Snow           L    S             S  S  C  C    L  C  C  C    C  C  S

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