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Point Forecast Matrices
National Weather Service Great Falls MT
227 PM MST Sun Feb 19 2017

MTZ012-201100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
227 PM MST Sun Feb 19 2017

Date          Sun 02/19/17      Mon 02/20/17            Tue 02/21/17         Wed
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                      32          52          39          54          31
Temp             47 39 37 34 33 33 45 48 48 44 41 40 39 42 52 54 49 42 37 35 31
Dewpt            27 27 25 23 22 21 22 27 28 35 32 31 31 34 34 26 29 27 26 22 21
RH               45 62 61 64 63 61 40 44 46 70 70 70 73 73 50 34 46 55 64 59 66
Wind dir         SW SW SW SW SW SW  S SW SW SW SW SW  S  S SW SW SW SW SW SW SW
Wind spd         12  9 11 11 12 11 14 12 14 17 17 13 12 12 26 26 26 26 20 20 17
Clouds           B1 B1 SC B1 B1 SC SC B1 B1 B1 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     20          20          20          30          20
QPF 12hr                      0           0           0        0.03        0.01
Snow 12hr                 00-00       00-00       00-00
Rain              S  S                 S        S  S  S  S  C  C  S  S  S  S
Snow                                                                       S  S


Date           02/22/17  Thu 02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17
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          41      20    29      12    25       8    27      13    28
Temp          38 37 24   20 26 27 18   12 21 24 12    9 22 27 15   14 26 26
Dewpt         17 18 16   15 14 16 14   10 11 13  8    4  7 10  7    9 12 14
PWind dir         W       W     N      NE     N       N     W      SW    SW
Wind char        BZ      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B1 B2   B1 B2 OV OV   OV B2 B2 OV   B1 B2 B2 B1   SC SC SC
PoP 12hr         20      30    40      30    30      30    30      20    20
Rain           S  S  C
Snow           S     C    S  C  C  C    C  C  C  C    C  C  C  S    S  S  S

$$
MTZ010-201100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
227 PM MST Sun Feb 19 2017

Date          Sun 02/19/17      Mon 02/20/17            Tue 02/21/17         Wed
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                      27          43          31          44          26
Temp             38 32 31 29 29 30 38 40 38 34 34 34 31 32 38 44 39 34 32 30 27
Dewpt            28 25 23 21 20 21 24 28 27 30 30 30 27 29 32 34 32 30 29 26 23
RH               67 75 72 72 69 69 57 62 64 85 85 85 85 88 79 68 76 85 88 85 85
Wind dir          W SW  W  W  W SW SW  S  S SW SW SW SW SW SW SW  W  W  W  W  W
Wind spd         10  9 11 14 17 12 11 10 12 14 16 14 12 12 14 14 19 19 17 17 17
Clouds           B1 SC B1 B1 SC SC B1 B1 B1 B1 SC SC B1 B1 OV OV OV OV OV OV B2
PoP 12hr                      5          10          20          40          20
QPF 12hr                      0           0           0        0.06        0.04
Snow 12hr                 00-00       00-00       00-00
Rain                                                        C  C  S
Snow                                            S  S  C  C           S  S  S  S


Date           02/22/17  Thu 02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17
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          34      15    23       5    20       3    22       7    22
Temp          31 30 19   15 18 22  9    5 17 18  3    6 17 22  9    9 21 17
Dewpt         24 22 16   13 15 15  8    4 12 10  2    3  9 11  5    6 16  8
PWind dir         W      NW     N       E     N       N     W      SW     W
Wind char        BZ      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B2 B2 B2   B2 OV OV OV   OV OV OV B2   B2 B1 B1 B1   B1 SC B1
PoP 12hr         20      50    50      30    30      30    20      20    20
Snow           S  S  C    C  C  C  C    C  C  C  C    C  S  S  S    S  S  S

$$
MTZ014-201100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
227 PM MST Sun Feb 19 2017

Date          Sun 02/19/17      Mon 02/20/17            Tue 02/21/17         Wed
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                      23          43          30          46          24
Temp             40 35 33 31 29 30 38 41 41 39 33 30 33 30 41 44 45 35 33 26 27
Dewpt            33 27 25 23 21 22 28 33 29 31 28 26 28 26 31 27 29 25 25 20 19
RH               76 72 72 72 72 72 67 73 62 73 82 85 82 85 67 51 53 66 72 78 71
Wind dir         SW SW SW SW  S  S  S  S  S SW  S  S  S  S SW SW  W  W SW SW SW
Wind spd          4  5  6  5  4  4  6  9  5  6  6  5  5  5 16 16 14 14 10 10  6
Clouds           B1 B1 B2 SC B1 B1 B2 B2 B2 B2 B1 B1 B2 B2 B1 B1 B2 B2 B1 B1 B1
PoP 12hr                     30          30          40          30          10
QPF 12hr                   0.01        0.01        0.02        0.02           0
Snow 12hr                 00-00       00-00           T
Rain              C  S              S  C  C  C              C  C
Snow                 S  S     S  S              C  C  C  C                    S


Date           02/22/17  Thu 02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17
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          35      15    28      13    26       9    27      12    28
Temp          29 34 22   15 20 28 20   13 21 26 16    9 19 27 16   12 22 28
Dewpt         18 19 16    9  9 16 15    9 10 12 10    3  7 10  9    6 11 13
PWind dir        SW       W    NW       N    NW      NW     W      SW    SW
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B2   B1 B2 B2 B2   B2 B2 B2 B2   B1 B2 B1 B2   B1 B1 SC
PoP 12hr         20      20    30      30    30      20    20      20    10
Rain              S
Snow           S  S  S       S  C  C    C  C  C  S    S  S  S  S    S

$$
MTZ055-201100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
227 PM MST Sun Feb 19 2017

Date          Sun 02/19/17      Mon 02/20/17            Tue 02/21/17         Wed
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                      23          43          32          47          23
Temp             38 34 31 31 30 30 40 42 41 38 36 37 35 33 46 46 46 35 32 28 26
Dewpt            31 28 24 23 22 22 28 31 27 30 31 32 30 29 35 28 29 26 25 23 21
RH               76 78 75 72 72 72 62 65 57 73 82 82 82 85 65 49 51 69 75 81 81
Wind dir         SW  S  S SW SE SE SW SW SW SW  S  S  S  S SW SW SW SW SW SW SW
Wind spd          9  8  8  8  5  4  8  8  8  8  8  8  9  9 19 19 11 11  9  9  8
Clouds           B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     40          40          50          40          20
QPF 12hr                   0.01        0.01        0.02        0.06           0
Snow 12hr                 00-00       00-00       00-00
Rain              C                 C  C  C  C  C  C  C     C  C  S  S
Snow                 S  S  S  S  S              C     C  C           S  S  S  S


Date           02/22/17  Thu 02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17
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          35      13    28      11    25       7    27      11    29
Temp          29 34 19   13 21 28 14   11 19 25 10    8 17 27 14   12 22 29
Dewpt         19 20 14   10 13 16 10    7 11 12  6    4  8 12  9    8 12 15
PWind dir        SW       N     N       N    NE       W    SW      SW    SW
Wind char        GN      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1 B1 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B1 B1   B2 B1 SC
PoP 12hr         30      30    30      40    30      30    30      20    20
Rain              C
Snow           S  C  C    S  C  C  C    C  C  C  C    C  C  C  S    S  S  S

$$
MTZ055-201100-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
227 PM MST Sun Feb 19 2017

Date          Sun 02/19/17      Mon 02/20/17            Tue 02/21/17         Wed
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                      19          35          31          37          18
Temp             31 28 27 27 26 26 32 33 34 35 36 36 35 34 35 36 36 30 24 20 20
Dewpt            29 26 25 24 24 24 27 29 29 32 33 35 33 33 32 28 28 28 21 19 18
RH               92 92 92 88 92 92 81 85 82 89 89 96 92 96 89 72 72 92 88 96 92
Wind dir         SW  S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
Wind spd         12 10  9  8  8  8 12 14 17 16 14 13 17 17 24 24 20 20 12 12  9
Clouds           OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 OV
PoP 12hr                     70          90          90          90          50
QPF 12hr                   0.06        0.17        0.24        0.24        0.05
Snow 12hr                     1           2           1
Rain                                         D  D  D  D     L  L  C
Snow              L  L  L  L  L  D  D  D  D  D  D  D  D  D  L  L  C  C  C  C  L
Obvis                     PF PF PF PF  F PF PF  F


Date           02/22/17  Thu 02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17
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          29       5    23       6    21       0    21       3    24
Temp          25 26  8    6 18 23 10    6 16 20  4    1 16 20  7    4 17 24
Dewpt         20 18  6    4  9 16  9    4 10 11  2   -1  7  9  5    2  9 15
PWind dir        SW      NW    NE      NW    SW      SW    SW      SW    SW
Wind char        GN      LT    LT      LT    LT      GN    LT      GN    GN
Avg clouds    OV OV B2   B2 OV B2 B2   B2 OV OV OV   B2 B2 B2 B1   B1 B1 B2
PoP 12hr         60      50    40      40    30      30    40      30    20
Snow           L  L  C    C  C  C  C    C  C  C  C    C  C  C  C    C  S  S

$$
MTZ008-201100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
227 PM MST Sun Feb 19 2017

Date          Sun 02/19/17      Mon 02/20/17            Tue 02/21/17         Wed
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                      26          43          36          46          25
Temp             38 32 30 29 29 30 40 42 41 39 37 37 38 40 46 42 41 33 30 28 26
Dewpt            29 25 21 21 20 22 27 31 28 30 30 30 30 32 30 23 23 24 21 21 17
RH               70 75 69 72 69 72 59 65 59 70 75 75 73 73 53 46 48 69 69 75 68
Wind dir          S  S  S  S  S  S  S  S  S  S  S  S  S  S SW SW SW SW SW SW SW
Wind spd         11 12 10  8  8  9 12 18 19 16 14 14 14 14 24 24 25 25 14 14 11
Clouds           B1 B2 B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC B1
PoP 12hr                     20          40          60          40          20
QPF 12hr                   0.01        0.02        0.03        0.06           0
Snow 12hr                     T           T       00-00
Rain              S                 C  C  C  C  L  L  C  C  C  C  S
Snow                 S  S  S  C  C                                   S  S  S  S


Date           02/22/17  Thu 02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17
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          33      15    27      12    25       9    27      12    29
Temp          30 33 22   15 23 27 19   12 19 25 14    9 20 27 14   14 24 29
Dewpt         16 18 15   11 10 13 13    6  6  9  8    3  5 10  5    7  9 13
PWind dir        SW       N    NE       N     W      SW     S      SW     S
Wind char        GN      LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1 B1 B1   B2 B2 B2 B2   OV B2 B2 B2   B2 B2 B1 B1   B1 SC SC
PoP 12hr         30      20    30      30    30      20    30      20    10
Snow           S  C  S    S  C  C  C    C  C  C  S    S  C  C  S    S

$$
MTZ011-201100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
227 PM MST Sun Feb 19 2017

Date          Sun 02/19/17      Mon 02/20/17            Tue 02/21/17         Wed
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                      30          50          34          51          31
Temp             43 38 35 35 33 33 44 49 45 37 35 34 34 35 44 51 44 38 36 33 31
Dewpt            33 32 30 29 27 26 27 25 31 31 32 31 31 31 34 37 34 33 33 30 29
RH               67 79 82 78 78 75 51 39 58 79 89 89 89 85 68 59 68 82 89 89 92
Wind dir          W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW  W  W  W  W  W
Wind spd          6  6  6 10 10 10 16 11  8  9 11 11  6  6 11 11 18 18 12 12 13
Clouds           B2 B1 SC B2 B1 SC SC SC B2 B2 B1 B1 B1 B1 OV OV OV OV OV OV OV
PoP 12hr                     20          10          10          40          30
QPF 12hr                      0           0           0        0.04        0.04
Snow 12hr                 00-00       00-00       00-00
Rain              S                                      S  C  C  C  C  C
Snow                                                  S  S              C  C  C


Date           02/22/17  Thu 02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17
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          39      23    31      15    27      12    29      16    29
Temp          36 36 27   23 27 30 19   15 23 27 15   13 24 29 19   17 26 28
Dewpt         29 28 24   21 21 22 16   13 16 18 11   11 15 18 14   14 17 17
PWind dir         W       N    NE      NE    NE       N    NW       W     W
Wind char        GN      LT    GN      LT    LT      LT    GN      GN    GN
Avg clouds    OV OV OV   B2 OV OV OV   OV B2 OV OV   B2 B2 B2 B2   B1 SC B1
PoP 12hr         40      50    40      20    20      20    20      20    20
Rain           C  C  C
Snow           C  C  C    C  C  C  S    S  S  S  S    S  S  S  S    S  S  S

$$
MTZ051-201100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
227 PM MST Sun Feb 19 2017

Date          Sun 02/19/17      Mon 02/20/17            Tue 02/21/17         Wed
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                      29          52          36          55          30
Temp             47 39 37 35 33 33 46 48 47 42 37 37 36 42 53 55 48 39 35 33 31
Dewpt            29 28 27 24 21 20 22 25 30 33 30 31 30 34 33 26 29 28 26 25 22
RH               49 64 67 64 61 58 38 40 51 70 75 79 79 73 46 32 47 64 69 72 69
Wind dir          W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW  W  W  W  W  W
Wind spd         10  6 10 12  9  8 13 12 10 16 14 11 10 10 25 25 20 20 21 21 14
Clouds           B1 SC B1 B1 B1 B2 B1 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     30          20          20          30          20
QPF 12hr                      0           0           0        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain              S  S  S  S           S  S  S  S  S  S  S  C  C  S  S  S
Snow                       S                          S                 S  S  S


Date           02/22/17  Thu 02/23/17  Fri 02/24/17  Sat 02/25/17  Sun 02/26/17
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          40      19    28      12    24       9    27      12    29
Temp          38 37 23   19 26 26 16   12 20 24 13   10 23 27 15   13 27 26
Dewpt         19 23 17   15 16 18 12    9 10 14  9    6  6 10  8    7 11 15
PWind dir         W      NW    NW      NE    NE      NW    SW       W     W
Wind char        BZ      GN    GN      GN    LT      GN    GN      GN    GN
Avg clouds    B1 B1 B1   B2 B2 OV OV   OV OV OV OV   OV B2 OV B1   B1 B1 B1
PoP 12hr         30      30    50      30    30      30    30      20    10
Rain           S  C  C
Snow           S     C    C  C  C  C    C  C  C  C    C  C  C  S    S

$$
weather.gov/greatfalls




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