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Point Forecast Matrices
National Weather Service Great Falls MT
926 AM MST Tue Feb 21 2017

MTZ012-212300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
926 AM MST Tue Feb 21 2017

Date                Tue 02/21/17            Wed 02/22/17            Thu 02/23/17
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                      46          29          34          21          29
Temp                   43 45 43 38 36 33 32 30 34 34 32 27 24 23 22 21 26 28 26
Dewpt                  33 32 32 29 28 28 29 25 23 16 20 20 19 19 18 16 17 14 15
RH                     67 60 65 70 72 82 88 81 64 47 61 74 81 84 84 81 68 55 62
Wind dir               SW  W  W  W  W  W  W  W  W  W NW NW  W  W NW NW  N  N  N
Wind spd               11 12 11  9  8  6 11 12 14 13 10 10  9  9  9  9 11 11 10
Clouds                 B2 OV OV B2 OV OV OV OV OV OV OV OV B1 B1 B2 B2 OV OV B2
PoP 12hr                     60          60          50          30          40
QPF 12hr                   0.03        0.04        0.10        0.04        0.07
Snow 12hr                 00-00           T           1
Rain shwrs              L  C  C  C
Snow                                                  C  C  C  C  C  C  C  C  C
Snowshwrs                           C  L  C  C  C  C
Tstms                      S


Date               Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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            14    26       7    23       7    25       7    20
Temp          20   14 24 24 13    7 17 23 11    8 21 24 10    7 13 20
Dewpt         16   12 11 12 10    4  4  8  5    4  7 10  6    3  5 10
PWind dir          NE    SW       N     W       W    SW       N     N
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2   OV OV OV B2   OV B2 B1 B1   B2 B1 SC SC   OV OV OV
PoP 12hr           30    30      30    20      20    10      30    40
Snow           C    C  C  C  C    C  S  S  S    S        S    C  C  C

$$
MTZ010-212300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
926 AM MST Tue Feb 21 2017

Date                Tue 02/21/17            Wed 02/22/17            Thu 02/23/17
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                      38          25          33          18          26
Temp                   37 37 35 32 30 29 26 27 30 33 28 24 22 20 19 18 22 25 22
Dewpt                  28 29 30 30 28 27 26 26 25 23 21 20 19 17 17 16 18 16 16
RH                     70 72 82 92 92 92100 96 81 66 75 84 88 88 92 92 84 68 77
Wind dir               SE NE NE  S  S  S NW NW NW  W NW NW NW NW NW NW  N  N NE
Wind spd                5  6  6  4  3  3 11 11 13 16 14 14 13 13 13 13 13 13 11
Clouds                 B2 OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 OV OV OV OV OV
PoP 12hr                     60          70          60          40          40
QPF 12hr                   0.08        0.11        0.12        0.09        0.08
Snow 12hr                 00-00           1           2
Snow                                                  C  C  C  C  C  C  C  C  C
Snowshwrs               L  L  L  L  L  L  L  L  C  C
Winter Storm                        A  A  A  A  A  A  A  A  A  A  A  A  A  A


Date               Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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             9    20       1    17       0    19       0    15
Temp          14    9 18 18  6    1 12 17  4    1 17 17  4    0  8 15
Dewpt         12    8 12 13  4    0  7  8  1   -2  9  8  2   -3  2  6
PWind dir           E     W       N     W      SW     W      NE     N
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    OV   OV OV B1 B2   OV OV B1 B2   B2 SC SC SC   OV OV OV
PoP 12hr           40    30      30    20      20    10      20    30
Snow           C    C  C  C  C    C  S  S  S    S        S    S  C  C

$$
MTZ014-212300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
926 AM MST Tue Feb 21 2017

Date                Tue 02/21/17            Wed 02/22/17            Thu 02/23/17
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                      45          27          37          16          27
Temp                   42 44 43 39 37 36 30 28 30 35 36 26 22 20 17 16 21 25 27
Dewpt                  34 32 29 26 26 26 23 22 20 19 23 17 16 15 12 12 12 12 14
RH                     73 62 57 59 64 67 75 78 66 52 59 68 77 81 80 84 68 57 57
Wind dir               SW  W  W SW  W  W  W  W  W  W  W  W  W  W  W  W NW NW  N
Wind spd                8 16 11 10 10 10  8 10 11 10  8  8  6  6  5  5  6  6  6
Clouds                 B2 B1 B2 OV OV OV B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 OV OV B2
PoP 12hr                     30          20          20          20          30
QPF 12hr                   0.01        0.01        0.02        0.01        0.02
Snow 12hr                 00-00           T           T
Rain shwrs              S  S  S  S                 S
Snow                                                        S  S  S  S  C  C  C
Snowshwrs                           S  S  S  S  S  S


Date               Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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    25       7    25       7    28      11    25
Temp          18   10 18 25 14    7 18 25 13    7 17 28 17   11 15 25
Dewpt         13    6  7  8  8    2  5  9  7    2  5 11 11    7  6 13
PWind dir           N     W       W     W      SW     S      NE     N
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   B1 B1 B2 B2   B2 B2 B1 B1   B1 SC FW B2   OV OV OV
PoP 12hr           30    20      20    20      20    10      20    30
Snow           C    C  S  S  S    S  S  S  S    S        S    S  C  C

$$
MTZ055-212300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
926 AM MST Tue Feb 21 2017

Date                Tue 02/21/17            Wed 02/22/17            Thu 02/23/17
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                      47          25          36          13          26
Temp                   45 46 42 36 34 33 29 26 31 36 33 23 19 17 13 15 21 24 26
Dewpt                  33 29 26 23 22 23 23 21 22 23 20 17 14 13 10 12 13 12 13
RH                     62 51 53 59 61 66 78 81 69 59 58 77 80 84 87 88 71 60 57
Wind dir                W  W SW SW SW SW SW  W  W  W NW NW NW NW NW NW NW NW  N
Wind spd               20 25 19 13 13 10  9  8  9  6  5  5  5  5  4  4  5  5  5
Wind gust                 35
Clouds                 B1 B1 SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 OV OV OV
PoP 12hr                     10          20          30          20          30
QPF 12hr                      0        0.02        0.03        0.03        0.02
Snow 12hr                 00-00           T           T
Rain shwrs                                         C
Snow                                                  S  S  S  S  S  S  C  C  C
Snowshwrs                           S  S  C  C  C  C
High Wind               W  W  W


Date               Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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             9    25       4    25       6    29      13    31
Temp          14    9 17 25  9    4 16 25 10    7 19 29 16   14 23 31
Dewpt         10    6  8 11  5    0  7  9  4    3 10 13 11   11 15 18
PWind dir           N    NW      SW     S      SW     S      SE    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    OV   OV B2 B2 OV   B1 B2 OV B1   B1 SC SC B2   OV OV B2
PoP 12hr           30    30      20    20      20    10      20    30
Snow           C    C  C  C  S    S  S  S  S    S        S    S  C  S

$$
MTZ055-212300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
926 AM MST Tue Feb 21 2017

Date                Tue 02/21/17            Wed 02/22/17            Thu 02/23/17
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                      35          16          28           7          23
Temp                   35 34 31 29 25 22 19 17 23 27 26 17 11  9  8  8 17 22 22
Dewpt                  30 28 26 25 19 18 18 16 17 18 19 16  8  8  7  6 10 10 13
RH                     82 78 81 85 78 84 96 96 77 68 74 96 87 96 96 91 73 59 68
Wind dir               SW SW SW SW SW SW SW SW SW SW  W  W  N  N  N  N  N  N  N
Wind spd               13 16 13 11  9  8 10  9 10 11  9  9  5  5  5  5  8  8  9
Clouds                 OV OV OV B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV
PoP 12hr                     50          70          40          30          40
QPF 12hr                   0.12        0.06        0.06        0.02        0.04
Snow 12hr                     T           1           1
Snow                                                  C  C  C  C  C  C  C  C  C
Snowshwrs               C  C  C  C  L  L  C  C  C  C
Tstms                      S
Wind chill                                                    -1 -2 -2
Min chill                                                        -2    -3
High Wind               W  W  W


Date               Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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             2    20      -2    20       0    25      13    28
Temp           6    2 14 19  1    0 13 20  3    2 15 25 16   14 23 28
Dewpt          4    1  4 10 -1   -2  5  9  0    0  7 13 14   13 18 18
PWind dir           N    NW      SW     S      SW     S       S    SW
Wind char          LT    LT      LT    GN      GN    LT      GN    GN
Avg clouds    OV   OV OV B2 B1   B2 OV OV B1   B1 SC B1 OV   OV OV OV
PoP 12hr           40    40      30    30      20    20      40    40
Snow           C    C  C  C  C    C  C  C  S    S  S  S  C    C  C  C

$$
MTZ008-212300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
926 AM MST Tue Feb 21 2017

Date                Tue 02/21/17            Wed 02/22/17            Thu 02/23/17
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                      43          24          32          14          25
Temp                   42 43 39 32 29 28 26 25 30 31 30 22 19 17 15 15 22 24 25
Dewpt                  29 25 23 20 19 19 18 18 17 15 16 14 13 11 10 10 11  9 12
RH                     60 49 52 61 66 68 71 74 58 51 55 71 77 77 80 80 62 52 57
Wind dir               SW SW SW SW SW SW SW SW  W  W NW NW  N  N  N  N  N  N  N
Wind spd               27 32 25 18 14 12 13 11  9  8  8  8  9  9  9  9  9  9  9
Wind gust              39 44 35
Clouds                 B1 SC B1 SC B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 OV OV OV
PoP 12hr                     10          20          30          20          30
QPF 12hr                      0           0        0.02        0.02        0.02
Snow 12hr                 00-00       00-00           T
Rain shwrs
Snow                                                  S  S  S  S  S  S  C  C  C
Snowshwrs                              S  S  S  C  C
High Wind               W  W  W


Date               Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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       6    25       9    29      16    33
Temp          16   12 17 24  9    7 18 25 12   10 18 29 17   18 26 33
Dewpt         11    8  4  8  3    1  5  9  6    5  7 12 10   13 14 17
PWind dir           N     W       S     S       S     S       S     S
Wind char          GN    LT      LT    GN      GN    GN      GN    GN
Avg clouds    OV   OV B2 B1 SC   SC B2 B2 B1   SC SC B1 OV   OV OV OV
PoP 12hr           40    20      20    20      20    10      20    20
Snow           C    C  S  S  S    S  S  S  S    S        S    S  S  S

$$
MTZ011-212300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
926 AM MST Tue Feb 21 2017

Date                Tue 02/21/17            Wed 02/22/17            Thu 02/23/17
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                      44          28          35          24          31
Temp                   43 43 41 35 33 31 29 29 32 35 33 29 28 26 26 24 29 30 30
Dewpt                  33 33 33 32 32 30 29 27 27 24 25 24 25 22 24 21 22 20 22
RH                     67 67 73 89 96 96100 92 81 64 72 81 88 85 92 88 75 66 72
Wind dir                W  N  S  N NE  N  N  N  N  N  N  N  E  E  E  E NE NE NE
Wind spd                8  6  5  4  4  4  5  4  5  8  8  8  5  5  8  8 10 10  9
Clouds                 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 OV OV OV
PoP 12hr                     60          60          50          50          30
QPF 12hr                   0.04        0.10        0.13        0.15        0.06
Snow 12hr                 00-00           1           1
Rain shwrs              L  L  L  L  C              C
Snow                                                  C  C  C  C  C  C  C  C  C
Snowshwrs                           C  L  C  C  C  C
Winter Storm                        A  A  A  A  A  A  A  A  A  A  A  A  A  A


Date               Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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            17    27      10    21       6    22       9    20
Temp          21   17 23 26 13   10 14 21  9    7 16 22 12    9 14 20
Dewpt         19   16 17 18 10    8  8 13  7    6  9 13  9    7  7 11
PWind dir          NE     S       N    NW      NE    SW      NE     N
Wind char          LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    OV   OV OV OV B2   OV OV OV B2   OV B1 SC SC   B1 OV OV
PoP 12hr           30    30      20    30      20    10      10    30
Snow           C    S  C  C  S    S  C  C  S    S                C  C

$$
MTZ051-212300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
926 AM MST Tue Feb 21 2017

Date                Tue 02/21/17            Wed 02/22/17            Thu 02/23/17
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                      48          30          36          20          28
Temp                   47 48 46 39 37 34 31 31 35 34 33 27 24 21 20 21 27 27 26
Dewpt                  33 31 30 29 28 28 26 27 25 22 22 21 19 16 16 15 18 15 18
RH                     58 51 53 67 70 78 81 85 66 61 63 78 81 81 84 77 68 60 71
Wind dir                W  W  W  W  W  W  W  W NW NW NW NW NW NW NW NW  N  N  N
Wind spd               14 21 14 11 10 10 11 12 14 13 10 10  8  8  8  8 11 11 10
Clouds                 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     50          50          40          30          30
QPF 12hr                   0.01        0.04        0.11        0.05        0.05
Snow 12hr                 00-00           1           1
Rain shwrs              C  C  C  C              C
Snow                                                  C  C  C  C  C  C  C  C  C
Snowshwrs                           C  C  C  C  C  C
Tstms                      S
High Wind               W  W  W
Winter Storm                        A  A  A  A  A  A  A  A  A  A  A  A  A  A


Date               Fri 02/24/17  Sat 02/25/17  Sun 02/26/17  Mon 02/27/17
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       8    23       7    27       8    22
Temp          18   13 23 22 13    8 20 23 14    7 22 26 13    8 19 21
Dewpt         15   11 11 13 10    5  8 11  8    2  7 13  7    5  9 11
PWind dir           N     W      NW     W       W    SW      SE    NW
Wind char          GN    LT      LT    LT      GN    GN      GN    GN
Avg clouds    B2   B2 B2 OV OV   B2 OV B2 B2   OV B1 SC SC   OV OV OV
PoP 12hr           30    30      20    30      20    10      20    30
Snow           C    C  C  C  S    S  C  C  S    S        S    S  C  C

$$
weather.gov/greatfalls




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