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Point Forecast Matrices
National Weather Service Great Falls MT
257 AM MST Wed Feb 22 2017

MTZ012-222300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
257 AM MST Wed Feb 22 2017

Date                Wed 02/22/17            Thu 02/23/17            Fri 02/24/17
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                      37          21          29          16          28
Temp             29 31 36 36 33 27 23 24 22 22 25 28 27 21 18 17 16 20 27 28 25
Dewpt            29 28 26 23 20 23 21 22 20 18 17 16 17 17 15 15 14 15 15 13 13
RH              100 88 67 59 58 85 92 92 92 84 71 60 65 84 88 92 92 81 60 53 60
Wind dir          W  W  W  W  W  W  W  W  N  N  N  N  N  N  E  E SW SW  W  W  N
Wind spd          6  5  6  8  8  6  8  9 10 10 12 11  9  9  5  5  6  6  8  8  6
Clouds           OV OV OV OV OV B2 B1 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV B2 B2 B2
PoP 12hr                     60          40          40          20          20
QPF 12hr                   0.07        0.03        0.05        0.01        0.02
Snow 12hr                     T           T           1
Snow                                                                          S
Snowshwrs         L  C  C  C  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S  S
Obvis             F PF PF
Winter Weath      Y  Y  Y  Y  Y  Y  Y


Date               Sat 02/25/17  Sun 02/26/17  Mon 02/27/17  Tue 02/28/17
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            10    24      11    25       7    21       7    29
Temp          18   10 21 23 14   12 23 23 13    7 17 21 10    8 25 29
Dewpt         15    8  9  7  7    6  8  9  7    4  8 11  6    4 10 10
PWind dir           N     W      SW    SW      NE    NW      NW    SW
Wind char          LT    GN      GN    GN      LT    LT      LT    GN
Avg clouds    B2   B2 B2 B1 B1   B1 SC B1 B1   B1 B2 B2 B2   B1 B1 B1
PoP 12hr           30    20      10    10      20    20      20    20
Snow           S    C  S                   S    S  S  S  S    S  S  S

$$
MTZ010-222300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
257 AM MST Wed Feb 22 2017

Date                Wed 02/22/17            Thu 02/23/17            Fri 02/24/17
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                      32          19          25          11          25
Temp             25 24 31 32 28 24 22 22 21 19 20 24 23 17 15 14 11 12 22 25 23
Dewpt            24 22 25 23 22 21 20 19 19 16 14 14 14 14 13 11  8  8 12 13 13
RH               96 92 78 69 78 88 92 88 92 88 77 65 68 88 92 88 87 84 65 60 65
Wind dir         NW NW NW NW NW NW NW NW  N  N  N  N NE NE  S  S  W  W  W  W  N
Wind spd          5  5  9 11 10 10 13 13 13 13 12 10  9  9  8  8  9  9  9  9 10
Clouds           OV OV B2 B2 B2 OV B2 B2 OV OV OV OV B2 B2 B2 B2 SC SC SC SC B2
PoP 12hr                     60          40          40          20          20
QPF 12hr                   0.03        0.02        0.03        0.01        0.01
Snow 12hr                     T           T           1
Snow                                                                          S
Snowshwrs         L  C  C  C  C  C  C  C  C  C  C  C  S  S  S  S        S  S
Obvis             F PF PF
Wind chill                                                       -2
Min chill                                                        -2    -2
Winter Weath      Y  Y  Y  Y  Y


Date               Sat 02/25/17  Sun 02/26/17  Mon 02/27/17  Tue 02/28/17
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             5    20       7    20       1    15       3    24
Temp          11    5 14 20  9    8 19 18  7    1 10 15  5    4 21 23
Dewpt          7    2  7  9  4    3  9  8  3   -1  6  6  2    1 11 10
PWind dir          NE     W       W     W      NE    SE       S     W
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2   B2 B2 B1 B1   B1 B1 B1 B2   OV B2 B2 B2   B1 B1 B1
PoP 12hr           20    10       5    10      20    20      20    20
Snow           S    S                      S    S  S  S  S    S  S  S

$$
MTZ014-222300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
257 AM MST Wed Feb 22 2017

Date                Wed 02/22/17            Thu 02/23/17            Fri 02/24/17
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                      39          19          28          13          26
Temp             33 31 34 38 36 31 26 22 21 19 21 27 26 22 19 16 14 13 18 25 24
Dewpt            24 23 23 24 23 21 21 18 17 15 13 14 15 14 14 12 10  9  9 11 12
RH               69 72 64 57 59 66 81 84 84 84 71 57 62 71 80 84 84 84 67 55 60
Wind dir         SW SW  W NW  N  W NW  W NW NW NW NW  N  N NW NW  W  W  W  W NW
Wind spd          6  6  6  6  5  8  8  6  6  8 10  9  8  8  5  5  5  5  4  4  5
Clouds           OV OV OV B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 OV OV B2 B2 B2
PoP 12hr                     30          30          30          20          30
QPF 12hr                   0.01        0.04        0.03        0.01        0.02
Snow 12hr                 00-00           1           1
Snow                                                                          S
Snowshwrs         C  C  C  C  C  C  C  C  C  C  C  C  S  S  S  S  S  S  C  C


Date               Sat 02/25/17  Sun 02/26/17  Mon 02/27/17  Tue 02/28/17
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             7    24       7    24       8    23      10    29
Temp          16    7 18 24 12    7 18 24 15    8 15 23 15   10 21 29
Dewpt         11    4  9  8  6    2  6  8 10    4  6 10  9    5 10 14
PWind dir          NW     W      SW    SW      SW    NW      NW    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B1 B1 B1 B1   SC SC B1 B1   B1 B2 B2 B2   B2 B1 B2
PoP 12hr           20    20      10    10      20    20      20    20
Snow           S    S  S                   S    S  S  S  S    S  S  S

$$
MTZ055-222300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
257 AM MST Wed Feb 22 2017

Date                Wed 02/22/17            Thu 02/23/17            Fri 02/24/17
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                      37          15          28          14          25
Temp             30 29 33 36 34 27 20 17 16 18 22 27 26 21 17 15 14 15 20 24 24
Dewpt            21 21 23 23 22 21 17 14 14 15 15 16 17 16 13 12 11 12 12 13 12
RH               69 72 66 59 61 78 88 88 92 88 74 63 68 81 84 88 88 88 71 62 60
Wind dir         NE  E NE  E  S  E  S  W NW  W NW NW  N  N  N  N NW NW NW NW NW
Wind spd          8  6  3  5  6  4  1  2  6  9 10 13  6  6  5  5  5  5  4  4  4
Clouds           OV OV OV B2 OV OV B2 B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2
PoP 12hr                     50          40          50          40          30
QPF 12hr                   0.03        0.04        0.06        0.09        0.04
Snow 12hr                     T           1           1
Snow                                                                          C
Snowshwrs         C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C


Date               Sat 02/25/17  Sun 02/26/17  Mon 02/27/17  Tue 02/28/17
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             6    23       4    25       8    27      11    29
Temp          11    6 16 23 10    4 17 25 13    8 21 27 16   11 21 29
Dewpt          7    3  8  9  5   -1  7 10  7    5 13 15 11    7 11 14
PWind dir           W    SW      SW    SW       S    SW       W     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B2 B2 B2 B1   B1 SC B1 B1   B2 B2 B2 B2   B2 B1 B1
PoP 12hr           30    20      10    10      20    40      40    30
Snow           C    C  S  S                S    S  C  C  C    C  C  C

$$
MTZ055-222300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
257 AM MST Wed Feb 22 2017

Date                Wed 02/22/17            Thu 02/23/17            Fri 02/24/17
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                      26           7          23           5          20
Temp             21 19 23 26 24 15 10  8  8  8 17 23 19 14  8  8  6  6 14 20 16
Dewpt            20 18 19 17 17 14  8  8  7  7 11 12 13 12  6  7  5  4  9 10 11
RH               96 96 84 68 74 96 91100 96 96 77 62 77 92 91 96 96 91 80 64 80
Wind dir          S  S SW SW SW  N  E NE NE NE  N  N  N  N  N  N  N  N  W  W SW
Wind spd          9  6 10  9  4  4  4  5  5  5 10 11 11 11  6  6  4  4  5  5  6
Clouds           OV OV OV B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2
PoP 12hr                     50          30          40          40          50
QPF 12hr                   0.04        0.04        0.04        0.04        0.05
Snow 12hr                     1           1           1
Snow                                                                          C
Snowshwrs         C  C  C  C  C  C  S  S  C  C  C  C  C  C  C  C  C  C  C  C
Obvis               PF PF
Wind chill                            -2 -2 -2             -3 -3 -3 -3
Min chill                                -2    -2          -6    -6    -4


Date               Sat 02/25/17  Sun 02/26/17  Mon 02/27/17  Tue 02/28/17
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    18      -1    21       8    27       8    26
Temp           4   -1 12 17  3    0 15 21 11   10 23 27 17    8 19 26
Dewpt          2   -3  5  9  1   -2  6 13  9    9 16 18 15    7 13 17
PWind dir          SW    SW      SW    SW       S     S      SW     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B2 B2 B2 B2   B1 B1 B1 B2   B2 OV OV OV   B2 B2 B2
PoP 12hr           40    30      20    20      50    50      50    30
Snow           C    C  C  C  S    S  S  S  C    C  C  C  C    C  C  C

$$
MTZ008-222300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
257 AM MST Wed Feb 22 2017

Date                Wed 02/22/17            Thu 02/23/17            Fri 02/24/17
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                      33          12          25          10          23
Temp             25 25 30 32 30 22 18 14 13 14 21 24 21 20 17 14 12 11 20 22 22
Dewpt            18 18 19 17 18 15 13 10  9  9 11 11 12 13 12  9  7  6  9  8 11
RH               74 74 63 53 60 74 80 84 84 80 65 57 68 74 80 80 80 80 62 54 62
Wind dir          S  S SW  S  N SW NW SE  E SE  N  N  N  N  N  N  N  N NW NW  W
Wind spd         10 10 10  4  3  4  2  3  4  5  8  8 12 12 10 10  9  9  5  5  5
Clouds           B2 OV OV B2 B2 OV OV B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2
PoP 12hr                     40          40          40          30          30
QPF 12hr                   0.02        0.04        0.03        0.03        0.02
Snow 12hr                     T           1           1
Snow                                                                          C
Snowshwrs         C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
Wind chill                                                          -2
Min chill                                                              -3


Date               Sat 02/25/17  Sun 02/26/17  Mon 02/27/17  Tue 02/28/17
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             7    22       7    24      11    29      14    29
Temp          12   10 17 22 11    7 17 24 15   12 25 29 20   14 22 29
Dewpt          6    4  4  5  3    0  2  8  9    6 12 15 13    8  8 14
PWind dir          SW    SW      SW     S       S     S      SW    SW
Wind char          LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2   B1 B1 B1 B1   B1 SC SC B1   B1 B2 B2 B2   B2 B1 B1
PoP 12hr           30    10      10     5      20    30      30    30
Snow           C    S                      S    S  C  C  C    C  C  C

$$
MTZ011-222300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
257 AM MST Wed Feb 22 2017

Date                Wed 02/22/17            Thu 02/23/17            Fri 02/24/17
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          27          32          19          30
Temp             30 29 33 36 34 30 30 29 28 27 29 32 31 25 22 21 20 20 27 30 29
Dewpt            29 27 29 29 28 27 28 27 26 24 23 23 23 21 19 19 19 18 20 20 20
RH               96 92 85 75 78 88 92 92 92 88 78 69 72 84 88 92 96 92 74 66 69
Wind dir         NE NE  E NE NE NE NE NE NE NE NE NE NE NE NE NE  N  N  W  W NW
Wind spd          4  4  5  4  5  5  5  6  6  9 11 11  9  9  5  5  4  4  6  6  5
Clouds           OV OV OV OV OV OV OV B2 OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1
PoP 12hr                     50          60          50          30          20
QPF 12hr                   0.03        0.10        0.08        0.02        0.01
Snow 12hr                     T           1           1
Snow                                                                          S
Snowshwrs         C  C  C  C  L  L  L  C  C  C  C  C  C  C  C  C  S  S  S  S
Obvis             F PF PF PF
Winter Weath      Y  Y  Y  Y  Y  Y  Y


Date               Sat 02/25/17  Sun 02/26/17  Mon 02/27/17  Tue 02/28/17
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            13    24       9    26       9    23      10    28
Temp          20   13 16 24 11   10 21 26 12   10 17 23 12   11 21 28
Dewpt         17   12  8 15  8    7 11 15  9    7  9 13  8    7 12 16
PWind dir           N    NW      SW     W       N    NE       E    SW
Wind char          LT    LT      LT    GN      LT    LT      LT    GN
Avg clouds    B1   B2 B2 B2 B1   SC B1 B1 B1   B1 B2 B2 B2   B1 B1 B1
PoP 12hr           20    20      10     5      10    20      20    20
Snow           S    S  S  S                        S  S  S    S  S  S

$$
MTZ051-222300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
257 AM MST Wed Feb 22 2017

Date                Wed 02/22/17            Thu 02/23/17            Fri 02/24/17
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          21          29          15          26
Temp             29 30 32 34 33 28 24 23 22 23 26 28 27 21 19 16 15 16 24 26 25
Dewpt            28 28 28 27 25 26 22 21 20 19 19 19 20 17 16 13 13 12 16 15 17
RH               96 92 85 75 72 92 92 92 92 84 74 68 74 84 88 88 92 84 71 62 71
Wind dir         NW NW NW NW NW NW NW NW NW NW NW NW  N  N  E  E  W  W NW NW  N
Wind spd         12  8  6  8  6  9  8  6  9  9  9 11  9  9  5  5  6  6  5  5  8
Clouds           OV OV OV OV OV OV B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     80          60          40          30          30
QPF 12hr                   0.22        0.08        0.04        0.02        0.02
Snow 12hr                     2           1           1
Snow                                                                          C
Snowshwrs         O  O  O  O  L  C  C  C  C  C  C  C  C  C  S  S  C  C  C  C
Obvis            PF PF PF PF
Winter Weath      Y  Y  Y  Y  Y  Y  Y


Date               Sat 02/25/17  Sun 02/26/17  Mon 02/27/17  Tue 02/28/17
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    24       8    26       7    22       7    27
Temp          17   11 21 23 12    9 24 25 11    7 18 21 11    8 24 26
Dewpt         14    9 11 12  6    4 10 13  7    4 10 11  8    5 10 12
PWind dir          NW     W       W     W       W    NE      NW     W
Wind char          LT    LT      GN    GN      LT    LT      LT    GN
Avg clouds    B2   B2 B2 B2 B2   B1 SC SC B1   B1 B2 B2 B2   B2 B1 B1
PoP 12hr           30    30      20     5      20    30      30    20
Snow           C    C  C  S  S             S    S  C  C  C    C  S  S

$$
weather.gov/greatfalls




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